feat: canvas to echarts (#5)

Co-authored-by: terraputix <terraputix@mailbox.org>
Reviewed-on: useweb/ombrella#5

src/lib/services/index.ts

@@ -0,0 +1,27 @@
+export {
+	fetchWeekForecast,
+	fetchModelComparison,
+	fetchEnsembleForecast,
+	range,
+	getTimestamps,
+	getDates,
+	getValues,
+	getInt64Values,
+	unitToDisplayString
+} from './weather';
+
+export type {
+	WeatherLocation,
+	WeatherUnitParams,
+	MarkArea,
+	WeekForecastParams,
+	WeekHourlyData,
+	WeekDailyData,
+	WeekForecastResult,
+	ModelCompareParams,
+	ModelSeriesData,
+	ModelCompareResult,
+	EnsembleForecastParams,
+	EnsembleVariableData,
+	EnsembleForecastResult
+} from './weather';

src/lib/services/weather.ts

@@ -0,0 +1,744 @@
+/**
+ * Weather Data Service
+ *
+ * Centralized, type-safe weather data fetching using the Open-Meteo SDK
+ * with protobuf (FlatBuffers) transport for efficient data transfer.
+ *
+ * All weather data fetching flows through this service, providing:
+ * - Type-safe request parameters and response structures
+ * - Automatic retries with exponential backoff (via the SDK)
+ * - Efficient binary protobuf transport instead of JSON
+ * - Consistent timestamp and unit handling
+ */
+import { Unit } from '@openmeteo/sdk/unit';
+import { fetchWeatherApi } from 'openmeteo';
+
+import { buildDaylightMarkAreas } from '$lib/utils/echarts';
+
+import type { VariableWithValues } from '@openmeteo/sdk/variable-with-values';
+import type { VariablesWithTime } from '@openmeteo/sdk/variables-with-time';
+
+// ─── Constants ──────────────────────────────────────────────────────────────────
+
+const FORECAST_URL = 'https://api.open-meteo.com/v1/forecast';
+const ENSEMBLE_URL = 'https://ensemble-api.open-meteo.com/v1/ensemble';
+
+// ─── Core Helpers ───────────────────────────────────────────────────────────────
+
+/**
+ * Generates an array of numbers from start (inclusive) to stop (exclusive) with the given step.
+ * Used to reconstruct timestamp arrays from the protobuf time/timeEnd/interval fields.
+ */
+export function range(start: number, stop: number, step: number): number[] {
+	return Array.from(
+		{ length: Math.max(0, Math.ceil((stop - start) / step)) },
+		(_, i) => start + i * step
+	);
+}
+
+/**
+ * Extracts timestamp array (in milliseconds, with UTC offset applied) from a VariablesWithTime block.
+ */
+export function getTimestamps(timeBlock: VariablesWithTime, utcOffsetSeconds: number): number[] {
+	const start = Number(timeBlock.time());
+	const end = Number(timeBlock.timeEnd());
+	const interval = timeBlock.interval();
+	return range(start, end, interval).map((t) => (t + utcOffsetSeconds) * 1000);
+}
+
+/**
+ * Extracts Date array (with UTC offset applied) from a VariablesWithTime block.
+ */
+export function getDates(timeBlock: VariablesWithTime, utcOffsetSeconds: number): Date[] {
+	return getTimestamps(timeBlock, utcOffsetSeconds).map((t) => new Date(t));
+}
+
+/**
+ * Extracts a Float32Array of values from a VariableWithValues, returning a regular number[].
+ * Falls back to an empty array if no values are present.
+ */
+export function getValues(variable: VariableWithValues): number[] {
+	const arr = variable.valuesArray();
+	if (!arr) return [];
+	return Array.from(arr);
+}
+
+/**
+ * Extracts Int64 (BigInt) values from a VariableWithValues, converting to number[].
+ * Used for variables stored as unix timestamps (e.g. sunrise, sunset).
+ */
+export function getInt64Values(variable: VariableWithValues): number[] {
+	const len = variable.valuesInt64Length();
+	const result: number[] = [];
+	for (let i = 0; i < len; i++) {
+		const val = variable.valuesInt64(i);
+		result.push(val !== null ? Number(val) : 0);
+	}
+	return result;
+}
+
+/**
+ * Converts the SDK Unit enum to a human-readable display string.
+ */
+export function unitToDisplayString(unit: Unit): string {
+	switch (unit) {
+		case Unit.celsius:
+			return '°C';
+		case Unit.fahrenheit:
+			return '°F';
+		case Unit.millimetre:
+			return 'mm';
+		case Unit.inch:
+			return 'in';
+		case Unit.kilometres_per_hour:
+			return 'km/h';
+		case Unit.metre_per_second:
+			return 'm/s';
+		case Unit.miles_per_hour:
+			return 'mph';
+		case Unit.knots:
+			return 'kn';
+		case Unit.percentage:
+			return '%';
+		case Unit.hectopascal:
+			return 'hPa';
+		case Unit.degree_direction:
+			return '°';
+		case Unit.wmo_code:
+			return 'wmo code';
+		case Unit.seconds:
+			return 's';
+		case Unit.hours:
+			return 'h';
+		case Unit.watt_per_square_metre:
+			return 'W/m²';
+		case Unit.megajoule_per_square_metre:
+			return 'MJ/m²';
+		case Unit.joule_per_kilogram:
+			return 'J/kg';
+		case Unit.metre:
+			return 'm';
+		case Unit.centimetre:
+			return 'cm';
+		case Unit.kilogram_per_square_metre:
+			return 'kg/m²';
+		case Unit.kilopascal:
+			return 'kPa';
+		case Unit.pascal:
+			return 'Pa';
+		case Unit.fraction:
+			return '';
+		case Unit.dimensionless:
+			return '';
+		case Unit.dimensionless_integer:
+			return '';
+		case Unit.unix_time:
+			return 'unixtime';
+		case Unit.grains_per_cubic_metre:
+			return 'grains/m³';
+		case Unit.micrograms_per_cubic_metre:
+			return 'µg/m³';
+		default:
+			return '';
+	}
+}
+
+// ─── Shared Types ───────────────────────────────────────────────────────────────
+
+export interface WeatherLocation {
+	latitude: number;
+	longitude: number;
+}
+
+export interface WeatherUnitParams {
+	temperature_unit?: 'celsius' | 'fahrenheit';
+	wind_speed_unit?: 'kmh' | 'ms' | 'mph' | 'kn';
+	precipitation_unit?: 'mm' | 'inch';
+}
+
+export type MarkArea = [{ xAxis: number; itemStyle: { color: string } }, { xAxis: number }];
+
+// ─── Week Forecast Types ────────────────────────────────────────────────────────
+
+export interface WeekForecastParams extends WeatherLocation, WeatherUnitParams {
+	model?: string;
+	forecast_days?: number;
+	past_days?: number;
+	timezone?: string;
+}
+
+export interface WeekHourlyData {
+	temperature_2m: number[];
+	precipitation: number[];
+	precipitation_probability: number[];
+	weather_code: number[];
+	windspeed_10m: number[];
+	winddirection_10m: number[];
+	cloud_cover: number[];
+	relative_humidity_2m: number[];
+	apparent_temperature: number[];
+	dew_point_2m: number[];
+}
+
+export interface WeekDailyData {
+	weather_code: number[];
+	temperature_2m_max: number[];
+	temperature_2m_min: number[];
+	sunrise: number[];
+	sunset: number[];
+	sunshine_duration: number[];
+	precipitation_sum: number[];
+	windspeed_10m_max: number[];
+	windgusts_10m_max: number[];
+	winddirection_10m_dominant: number[];
+}
+
+export interface WeekForecastResult {
+	hourly: WeekHourlyData;
+	daily: WeekDailyData;
+	utcOffsetSeconds: number;
+	hourlyTimestamps: number[];
+	hourlyDates: Date[];
+	dailyDates: Date[];
+	markAreas: MarkArea[];
+}
+
+// ─── Model Comparison Types ─────────────────────────────────────────────────────
+
+export interface ModelCompareParams extends WeatherLocation, WeatherUnitParams {
+	hourlyVariables: string[];
+	models: string[];
+}
+
+export interface ModelSeriesData {
+	modelName: string;
+	variables: Record<string, number[]>;
+}
+
+export interface ModelCompareResult {
+	models: ModelSeriesData[];
+	timestamps: number[];
+	utcOffsetSeconds: number;
+	markAreas: MarkArea[];
+	units: Record<string, string>;
+	/** Flat record compatible with the existing chart utilities (keys like "temperature_2m_icon_seamless") */
+	hourlyFlat: Record<string, number[]>;
+	hourlyUnitsFlat: Record<string, string>;
+}
+
+// ─── Ensemble Forecast Types ────────────────────────────────────────────────────
+
+export interface EnsembleForecastParams extends WeatherLocation, WeatherUnitParams {
+	hourlyVariables: string[];
+	models: string[];
+	forecast_days?: number;
+}
+
+export interface EnsembleVariableData {
+	members: number[][];
+	average: number[];
+	min: number[];
+	max: number[];
+	unit: string;
+}
+
+export interface EnsembleForecastResult {
+	variables: Record<string, EnsembleVariableData>;
+	timestamps: number[];
+	utcOffsetSeconds: number;
+	markAreas: MarkArea[];
+	/** Flat record compatible with existing chart utilities (keys like "temperature_2m_member00") */
+	hourlyFlat: Record<string, number[]>;
+	hourlyUnitsFlat: Record<string, string>;
+}
+
+// ─── Week Forecast Fetch ────────────────────────────────────────────────────────
+
+const WEEK_HOURLY_VARS = [
+	'temperature_2m',
+	'precipitation',
+	'precipitation_probability',
+	'weather_code',
+	'wind_speed_10m',
+	'wind_direction_10m',
+	'cloud_cover',
+	'relative_humidity_2m',
+	'apparent_temperature',
+	'dew_point_2m'
+] as const;
+
+const WEEK_DAILY_VARS = [
+	'weather_code',
+	'temperature_2m_max',
+	'temperature_2m_min',
+	'sunrise',
+	'sunset',
+	'sunshine_duration',
+	'precipitation_sum',
+	'wind_speed_10m_max',
+	'wind_gusts_10m_max',
+	'wind_direction_10m_dominant'
+] as const;
+
+/**
+ * Fetches the 7-day (week) weather forecast for a single location and model.
+ * Returns typed hourly and daily data structures.
+ */
+export async function fetchWeekForecast(params: WeekForecastParams): Promise<WeekForecastResult> {
+	const forecastDays = params.forecast_days ?? 6;
+	const pastDays = params.past_days ?? 0;
+	const modelParam = params.model && params.model !== 'best_match' ? params.model : undefined;
+
+	const apiParams: Record<string, string | number | undefined> = {
+		latitude: params.latitude,
+		longitude: params.longitude,
+		hourly: WEEK_HOURLY_VARS.join(','),
+		daily: WEEK_DAILY_VARS.join(','),
+		temperature_unit: params.temperature_unit ?? 'celsius',
+		wind_speed_unit: params.wind_speed_unit ?? 'kmh',
+		precipitation_unit: params.precipitation_unit ?? 'mm',
+		forecast_days: forecastDays,
+		past_days: pastDays,
+		models: modelParam,
+		timezone: params.timezone
+	};
+
+	// Remove undefined values
+	const cleanParams: Record<string, string> = {};
+	for (const [key, value] of Object.entries(apiParams)) {
+		if (value !== undefined) {
+			cleanParams[key] = String(value);
+		}
+	}
+
+	const responses = await fetchWeatherApi(FORECAST_URL, cleanParams);
+	const response = responses[0];
+	const utcOffsetSeconds = response.utcOffsetSeconds();
+
+	const hourlyBlock = response.hourly()!;
+	const dailyBlock = response.daily()!;
+
+	// Hourly: variables are in the same order as WEEK_HOURLY_VARS
+	const hourlyTimestamps = getTimestamps(hourlyBlock, utcOffsetSeconds);
+	const hourlyDates = hourlyTimestamps.map((t) => new Date(t));
+
+	const hourly: WeekHourlyData = {
+		temperature_2m: getValues(hourlyBlock.variables(0)!),
+		precipitation: getValues(hourlyBlock.variables(1)!),
+		precipitation_probability: getValues(hourlyBlock.variables(2)!),
+		weather_code: getValues(hourlyBlock.variables(3)!),
+		windspeed_10m: getValues(hourlyBlock.variables(4)!),
+		winddirection_10m: getValues(hourlyBlock.variables(5)!),
+		cloud_cover: getValues(hourlyBlock.variables(6)!),
+		relative_humidity_2m: getValues(hourlyBlock.variables(7)!),
+		apparent_temperature: getValues(hourlyBlock.variables(8)!),
+		dew_point_2m: getValues(hourlyBlock.variables(9)!)
+	};
+
+	// Daily: variables are in the same order as WEEK_DAILY_VARS
+	const dailyDates = getDates(dailyBlock, utcOffsetSeconds);
+
+	const sunriseVar = dailyBlock.variables(3)!;
+	const sunsetVar = dailyBlock.variables(4)!;
+
+	const daily: WeekDailyData = {
+		weather_code: getValues(dailyBlock.variables(0)!),
+		temperature_2m_max: getValues(dailyBlock.variables(1)!),
+		temperature_2m_min: getValues(dailyBlock.variables(2)!),
+		sunrise: getInt64Values(sunriseVar),
+		sunset: getInt64Values(sunsetVar),
+		sunshine_duration: getValues(dailyBlock.variables(5)!),
+		precipitation_sum: getValues(dailyBlock.variables(6)!),
+		windspeed_10m_max: getValues(dailyBlock.variables(7)!),
+		windgusts_10m_max: getValues(dailyBlock.variables(8)!),
+		winddirection_10m_dominant: getValues(dailyBlock.variables(9)!)
+	};
+
+	const markAreas = buildDaylightMarkAreas(daily.sunrise, daily.sunset, utcOffsetSeconds);
+
+	return {
+		hourly,
+		daily,
+		utcOffsetSeconds,
+		hourlyTimestamps,
+		hourlyDates,
+		dailyDates,
+		markAreas
+	};
+}
+
+// ─── Model Comparison Fetch ─────────────────────────────────────────────────────
+
+/**
+ * Fetches forecast data for multiple models for comparison.
+ * Also fetches daily sunrise/sunset for daylight mark areas.
+ *
+ * Returns both a typed model array structure and a flat record structure
+ * compatible with existing chart utilities.
+ */
+export async function fetchModelComparison(
+	params: ModelCompareParams
+): Promise<ModelCompareResult> {
+	const forecastApiParams: Record<string, string> = {
+		latitude: String(params.latitude),
+		longitude: String(params.longitude),
+		hourly: params.hourlyVariables.join(','),
+		models: params.models.join(','),
+		daily: 'sunrise,sunset',
+		temperature_unit: params.temperature_unit ?? 'celsius',
+		wind_speed_unit: params.wind_speed_unit ?? 'kmh',
+		precipitation_unit: params.precipitation_unit ?? 'mm'
+	};
+
+	const responses = await fetchWeatherApi(FORECAST_URL, forecastApiParams);
+
+	// With multiple models, we get one response per model
+	const firstResponse = responses[0];
+	const utcOffsetSeconds = firstResponse.utcOffsetSeconds();
+
+	// Extract timestamps from the first response's hourly block
+	const hourlyBlock = firstResponse.hourly()!;
+	const timestamps = getTimestamps(hourlyBlock, utcOffsetSeconds);
+
+	// Extract sunrise/sunset from the first response's daily block
+	let markAreas: MarkArea[] = [];
+	const dailyBlock = firstResponse.daily();
+	if (dailyBlock) {
+		const sunriseVar = dailyBlock.variables(0)!;
+		const sunsetVar = dailyBlock.variables(1)!;
+		const sunrise = getInt64Values(sunriseVar);
+		const sunset = getInt64Values(sunsetVar);
+		markAreas = buildDaylightMarkAreas(sunrise, sunset, utcOffsetSeconds);
+	}
+
+	// Process each model's response
+	const models: ModelSeriesData[] = [];
+	const hourlyFlat: Record<string, number[]> = {};
+	const hourlyUnitsFlat: Record<string, string> = {};
+	const units: Record<string, string> = {};
+
+	// Add time to flat record
+	const timeInUnixSeconds = range(
+		Number(hourlyBlock.time()),
+		Number(hourlyBlock.timeEnd()),
+		hourlyBlock.interval()
+	);
+	hourlyFlat['time'] = timeInUnixSeconds;
+
+	for (const response of responses) {
+		const modelHourly = response.hourly();
+		if (!modelHourly) continue;
+
+		// Determine model name from the response
+		const modelEnum = response.model();
+		const modelName = modelEnumToString(modelEnum);
+
+		const modelData: ModelSeriesData = {
+			modelName,
+			variables: {}
+		};
+
+		for (let vi = 0; vi < params.hourlyVariables.length; vi++) {
+			const varName = params.hourlyVariables[vi];
+			const variable = modelHourly.variables(vi);
+			if (!variable) continue;
+
+			const values = getValues(variable);
+			modelData.variables[varName] = values;
+
+			// Build flat key like "temperature_2m_icon_seamless"
+			const flatKey = `${varName}_${modelName}`;
+			hourlyFlat[flatKey] = values;
+
+			// Record unit
+			const unitStr = unitToDisplayString(variable.unit());
+			units[varName] = unitStr;
+			hourlyUnitsFlat[flatKey] = unitStr;
+		}
+
+		models.push(modelData);
+	}
+
+	return {
+		models,
+		timestamps,
+		utcOffsetSeconds,
+		markAreas,
+		units,
+		hourlyFlat,
+		hourlyUnitsFlat
+	};
+}
+
+// ─── Ensemble Forecast Fetch ────────────────────────────────────────────────────
+
+/**
+ * Fetches ensemble forecast data from the ensemble API.
+ * Separately fetches daily sunrise/sunset from the standard forecast API.
+ *
+ * Returns typed ensemble data with per-variable member arrays, averages, and spreads,
+ * plus a flat record structure for compatibility with existing chart utilities.
+ */
+export async function fetchEnsembleForecast(
+	params: EnsembleForecastParams
+): Promise<EnsembleForecastResult> {
+	const forecastDays = params.forecast_days ?? 14;
+
+	const ensembleParams: Record<string, string> = {
+		latitude: String(params.latitude),
+		longitude: String(params.longitude),
+		hourly: params.hourlyVariables.join(','),
+		models: params.models.join(','),
+		forecast_days: String(forecastDays),
+		temperature_unit: params.temperature_unit ?? 'celsius',
+		wind_speed_unit: params.wind_speed_unit ?? 'kmh',
+		precipitation_unit: params.precipitation_unit ?? 'mm'
+	};
+
+	const dailyParams: Record<string, string> = {
+		latitude: String(params.latitude),
+		longitude: String(params.longitude),
+		daily: 'sunrise,sunset',
+		forecast_days: String(forecastDays),
+		temperature_unit: params.temperature_unit ?? 'celsius'
+	};
+
+	// Fetch ensemble and daily data in parallel
+	const [ensembleResponses, dailyResponses] = await Promise.all([
+		fetchWeatherApi(ENSEMBLE_URL, ensembleParams),
+		fetchWeatherApi(FORECAST_URL, dailyParams)
+	]);
+
+	const ensembleResponse = ensembleResponses[0];
+	const utcOffsetSeconds = ensembleResponse.utcOffsetSeconds();
+
+	const hourlyBlock = ensembleResponse.hourly()!;
+	const timestamps = getTimestamps(hourlyBlock, utcOffsetSeconds);
+	const timeLength = timestamps.length;
+
+	// Extract sunrise/sunset for mark areas
+	let markAreas: MarkArea[] = [];
+	if (dailyResponses.length > 0) {
+		const dailyResponse = dailyResponses[0];
+		const dailyBlock = dailyResponse.daily();
+		if (dailyBlock) {
+			const sunrise = getInt64Values(dailyBlock.variables(0)!);
+			const sunset = getInt64Values(dailyBlock.variables(1)!);
+			markAreas = buildDaylightMarkAreas(sunrise, sunset, dailyResponse.utcOffsetSeconds());
+		}
+	}
+
+	// Process ensemble variables
+	// Each requested variable will have multiple entries in the variables list (one per ensemble member)
+	const variables: Record<string, EnsembleVariableData> = {};
+	const hourlyFlat: Record<string, number[]> = {};
+	const hourlyUnitsFlat: Record<string, string> = {};
+
+	// Add time to flat record
+	const timeInUnixSeconds = range(
+		Number(hourlyBlock.time()),
+		Number(hourlyBlock.timeEnd()),
+		hourlyBlock.interval()
+	);
+	hourlyFlat['time'] = timeInUnixSeconds;
+
+	// Group variables by their requested variable name
+	// The SDK provides variables indexed sequentially:
+	// For N requested variables and M ensemble members, we get N*M variables
+	// ordered as: var0_member0, var0_member1, ..., var0_memberM-1, var1_member0, ...
+	const totalVariables = hourlyBlock.variablesLength();
+	const numRequestedVars = params.hourlyVariables.length;
+
+	if (totalVariables > 0 && numRequestedVars > 0) {
+		const membersPerVar = Math.floor(totalVariables / numRequestedVars);
+
+		for (let vi = 0; vi < numRequestedVars; vi++) {
+			const varName = params.hourlyVariables[vi];
+			const members: number[][] = [];
+			let unitStr = '';
+
+			for (let mi = 0; mi < membersPerVar; mi++) {
+				const varIdx = vi * membersPerVar + mi;
+				const variable = hourlyBlock.variables(varIdx);
+				if (!variable) continue;
+
+				const values = getValues(variable);
+				members.push(values);
+
+				if (mi === 0) {
+					unitStr = unitToDisplayString(variable.unit());
+				}
+
+				// Build flat key compatible with JSON API format
+				const memberStr = String(mi).padStart(2, '0');
+				const flatKey = `${varName}_member${memberStr}`;
+				hourlyFlat[flatKey] = values;
+				hourlyUnitsFlat[flatKey] = unitStr;
+			}
+
+			// Calculate average, min, max across members
+			const average = new Array<number>(timeLength).fill(0);
+			const min = new Array<number>(timeLength).fill(Infinity);
+			const max = new Array<number>(timeLength).fill(-Infinity);
+
+			for (let t = 0; t < timeLength; t++) {
+				let count = 0;
+				for (const memberValues of members) {
+					const val = memberValues[t];
+					if (val !== null && val !== undefined && !isNaN(val)) {
+						average[t] += val;
+						count++;
+						if (val < min[t]) min[t] = val;
+						if (val > max[t]) max[t] = val;
+					}
+				}
+				if (count > 0) {
+					average[t] = Math.round((average[t] / count) * 10) / 10;
+				}
+				if (min[t] === Infinity) min[t] = 0;
+				if (max[t] === -Infinity) max[t] = 0;
+			}
+
+			variables[varName] = {
+				members,
+				average,
+				min,
+				max,
+				unit: unitStr
+			};
+		}
+	}
+
+	return {
+		variables,
+		timestamps,
+		utcOffsetSeconds,
+		markAreas,
+		hourlyFlat,
+		hourlyUnitsFlat
+	};
+}
+
+// ─── Model Enum Mapping ─────────────────────────────────────────────────────────
+
+/**
+ * Maps the SDK Model enum integer to a string model name.
+ * This table must stay in sync with the @openmeteo/sdk Model enum.
+ */
+function modelEnumToString(modelEnum: number): string {
+	const modelMap: Record<number, string> = {
+		0: 'undefined',
+		1: 'best_match',
+		2: 'gfs_seamless',
+		3: 'gfs_global',
+		4: 'gfs_hrrr',
+		5: 'meteofrance_seamless',
+		6: 'meteofrance_arpege_seamless',
+		7: 'meteofrance_arpege_world',
+		8: 'meteofrance_arpege_europe',
+		9: 'meteofrance_arome_seamless',
+		10: 'meteofrance_arome_france',
+		11: 'meteofrance_arome_france_hd',
+		12: 'jma_seamless',
+		13: 'jma_msm',
+		14: 'jms_gsm',
+		15: 'jma_gsm',
+		16: 'gem_seamless',
+		17: 'gem_global',
+		18: 'gem_regional',
+		19: 'gem_hrdps_continental',
+		20: 'icon_seamless',
+		21: 'icon_global',
+		22: 'icon_eu',
+		23: 'icon_d2',
+		24: 'ecmwf_ifs04',
+		25: 'metno_nordic',
+		26: 'era5_seamless',
+		27: 'era5',
+		28: 'cerra',
+		29: 'era5_land',
+		30: 'ecmwf_ifs',
+		31: 'gwam',
+		32: 'ewam',
+		33: 'glofas_seamless_v3',
+		34: 'glofas_forecast_v3',
+		35: 'glofas_consolidated_v3',
+		36: 'glofas_seamless_v4',
+		37: 'glofas_forecast_v4',
+		38: 'glofas_consolidated_v4',
+		39: 'gfs025',
+		40: 'gfs05',
+		41: 'CMCC_CM2_VHR4',
+		42: 'FGOALS_f3_H_highresSST',
+		43: 'FGOALS_f3_H',
+		44: 'HiRAM_SIT_HR',
+		45: 'MRI_AGCM3_2_S',
+		46: 'EC_Earth3P_HR',
+		47: 'MPI_ESM1_2_XR',
+		48: 'NICAM16_8S',
+		49: 'cams_europe',
+		50: 'cams_global',
+		51: 'cfsv2',
+		52: 'era5_ocean',
+		53: 'cma_grapes_global',
+		54: 'bom_access_global',
+		55: 'bom_access_global_ensemble',
+		56: 'arpae_cosmo_seamless',
+		57: 'arpae_cosmo_2i',
+		58: 'arpae_cosmo_2i_ruc',
+		59: 'arpae_cosmo_5m',
+		60: 'ecmwf_ifs025',
+		61: 'ecmwf_aifs025',
+		62: 'gfs013',
+		63: 'gfs_graphcast025',
+		64: 'ecmwf_wam025',
+		65: 'meteofrance_wave',
+		66: 'meteofrance_currents',
+		67: 'ecmwf_wam025_ensemble',
+		68: 'ncep_gfswave025',
+		69: 'ncep_gefswave025',
+		70: 'knmi_seamless',
+		71: 'knmi_harmonie_arome_europe',
+		72: 'knmi_harmonie_arome_netherlands',
+		73: 'dmi_seamless',
+		74: 'dmi_harmonie_arome_europe',
+		75: 'metno_seamless',
+		76: 'era5_ensemble',
+		77: 'ecmwf_ifs_analysis',
+		78: 'ecmwf_ifs_long_window',
+		79: 'ecmwf_ifs_analysis_long_window',
+		80: 'ukmo_global_deterministic_10km',
+		81: 'ukmo_uk_deterministic_2km',
+		82: 'ukmo_seamless',
+		83: 'ncep_gfswave016',
+		84: 'ncep_nbm_conus',
+		85: 'ukmo_global_ensemble_20km',
+		86: 'ecmwf_aifs025_single',
+		87: 'jma_jaxa_himawari',
+		88: 'eumetsat_sarah3',
+		89: 'eumetsat_lsa_saf_msg',
+		90: 'eumetsat_lsa_saf_iodc',
+		91: 'satellite_radiation_seamless',
+		92: 'kma_gdps',
+		93: 'kma_ldps',
+		94: 'kma_seamless',
+		95: 'italia_meteo_arpae_icon_2i',
+		96: 'ukmo_uk_ensemble_2km',
+		97: 'meteofrance_arome_france_hd_15min',
+		98: 'meteofrance_arome_france_15min',
+		99: 'meteoswiss_icon_ch1',
+		100: 'meteoswiss_icon_ch2',
+		101: 'meteoswiss_icon_ch1_ensemble',
+		102: 'meteoswiss_icon_ch2_ensemble',
+		103: 'meteoswiss_icon_seamless',
+		104: 'ncep_nam_conus',
+		105: 'icon_d2_ruc',
+		106: 'ecmwf_seas5',
+		107: 'ecmwf_ec46',
+		108: 'ecmwf_seasonal_seamless',
+		109: 'ecmwf_ifs_seamless',
+		110: 'jma_jaxa_mtg_fci',
+		111: 'gem_hrdps_west'
+	};
+	return modelMap[modelEnum] ?? `model_${modelEnum}`;
+}

src/routes/weather/14-day/+page.svelte

@@ -7,14 +7,9 @@
 	import {
 		buildAverageSeries,
 		buildCurrentTimeSeries,
-		buildDaylightMarkAreas,
 		buildDaylightSeries,
 		buildSpreadSeries,
-		calculateAverage,
-		calculateSpread,
 		composeChartOption,
-		convertTimestamps,
-		findUnit,
 		getThemeColors
 	} from '$lib/utils/echarts';
 
@@ -23,6 +18,12 @@
 	import { Label } from '$lib/components/ui/label';
 	import { Switch } from '$lib/components/ui/switch';
 
+	import {
+		type EnsembleForecastResult,
+		type MarkArea,
+		fetchEnsembleForecast
+	} from '$lib/services/weather';
+
 	import { defaultParameters } from '../options';
 
 	import type * as echarts from 'echarts';
@@ -52,11 +53,10 @@
 	// ─── Cached API Response ────────────────────────────────────────────────────
 
 	interface FetchedData {
-		hourly: Record<string, unknown>;
+		ensembleResult: EnsembleForecastResult;
-		hourly_units: Record<string, string>;
-		utc_offset_seconds: number;
-		markAreas: Array<[{ xAxis: number; itemStyle: { color: string } }, { xAxis: number }]>;
 		timestamps: number[];
+		utc_offset_seconds: number;
+		markAreas: MarkArea[];
 	}
 
 	let fetchedData: FetchedData | null = $state(null);
@@ -92,35 +92,22 @@
 			chartInstances = [];
 			chartComponents = [];
 
-			const [dataDaily, dataReq] = await Promise.all([
+			const result: EnsembleForecastResult = await fetchEnsembleForecast({
-				fetch(
+				latitude: location.latitude!,
-					`https://api.open-meteo.com/v1/forecast?latitude=${location.latitude}&longitude=${location.longitude}&timeformat=unixtime&daily=sunset,sunrise&forecast_days=14`
+				longitude: location.longitude!,
-				),
+				hourlyVariables: hourlyVars,
-				fetch(
+				models: modelList,
-					`https://ensemble-api.open-meteo.com/v1/ensemble?latitude=${location.latitude}&longitude=${location.longitude}&hourly=${hourlyVars.join(',')}&models=${modelList.join(',')}&timeformat=unixtime&forecast_days=14`
+				forecast_days: 14,
-				)
+				temperature_unit: params.temperature_unit as 'celsius' | 'fahrenheit',
-			]);
+				wind_speed_unit: params.wind_speed_unit as 'kmh' | 'ms' | 'mph' | 'kn',
-
+				precipitation_unit: params.precipitation_unit as 'mm' | 'inch'
-			const [wd, data] = await Promise.all([dataDaily.json(), dataReq.json()]);
+			});
-
-			let markAreas: FetchedData['markAreas'] = [];
-
-			if ('daily' in wd && 'sunrise' in wd.daily && 'sunset' in wd.daily) {
-				markAreas = buildDaylightMarkAreas(
-					wd.daily.sunrise,
-					wd.daily.sunset,
-					data.utc_offset_seconds
-				);
-			}
-
-			const timestamps = convertTimestamps(data.hourly.time, data.utc_offset_seconds);
 
 			fetchedData = {
-				hourly: data.hourly,
+				ensembleResult: result,
-				hourly_units: data.hourly_units,
+				timestamps: result.timestamps,
-				utc_offset_seconds: data.utc_offset_seconds,
+				utc_offset_seconds: result.utcOffsetSeconds,
-				markAreas,
+				markAreas: result.markAreas
-				timestamps
 			};
 
 			loading = false;
@@ -134,32 +121,26 @@
 	$effect(() => {
 		if (!fetchedData) return;
 
-		const {
+		const { ensembleResult, timestamps, utc_offset_seconds, markAreas } = fetchedData;
-			hourly: hourlyData,
-			hourly_units,
-			utc_offset_seconds,
-			markAreas,
-			timestamps
-		} = fetchedData;
 		const _showLegend = showLegend;
 
 		const colors = getThemeColors();
 		const variableCount = params.hourly?.length || 0;
-		const timeLength = (hourlyData.time as number[]).length;
 		const newOptions: Array<Record<string, unknown>> = [];
 
 		for (let vi = 0; vi < variableCount; vi++) {
 			const variable = params.hourly![vi];
-			const unit = findUnit(hourly_units, hourlyData, variable);
+			const varData = ensembleResult.variables[variable];
+			if (!varData) continue;
 
-			const { average } = calculateAverage(hourlyData, variable, timeLength);
+			const unit = varData.unit;
-			const { minValues, maxValues } = calculateSpread(hourlyData, variable, timeLength);
+			const { average, min: minValues, max: maxValues } = varData;
 
 			const series: Array<Record<string, unknown>> = [];
 
 			const spreadData: Array<[number, number, number]> = minValues.map(
-				(min, index) =>
+				(minVal, index) =>
-					[timestamps[index], min ?? 0, maxValues[index] ?? 0] as [number, number, number]
+					[timestamps[index], minVal ?? 0, maxValues[index] ?? 0] as [number, number, number]
 			);
 
 			series.push(...buildSpreadSeries({ variable, spreadData }));

src/routes/weather/canvas/cloud-cover.ts

@@ -1,78 +0,0 @@
-export default (
-	ctx: CanvasRenderingContext2D | null | undefined,
-	config: ConfigInterface,
-	series: Float32Array | null | undefined,
-	canvasElement: HTMLCanvasElement
-): void => {
-	if (ctx && series) {
-		ctx.beginPath();
-		ctx.moveTo(0, 35 + (series[0] ** 1.5 / 1000) * 30);
-		for (const [index, value] of series.entries()) {
-			ctx.strokeStyle = '#444';
-			ctx.lineWidth = 0.1;
-			const nextValue = series[index + 1];
-
-			const xc =
-				(index * config.deltaX +
-					0.5 * config.deltaX +
-					(index * config.deltaX + 1.5 * config.deltaX)) /
-				2;
-			const yc = (35 + (value ** 1.5 / 1000) * 30 + 35 + (nextValue ** 1.5 / 1000) * 30) / 2;
-
-			ctx.quadraticCurveTo(
-				index * config.deltaX + 0.5 * config.deltaX,
-				35 + (value ** 1.5 / 1000) * 30,
-				xc,
-				yc
-			);
-		}
-
-		ctx.quadraticCurveTo(
-			config.maxX,
-			35 + (series[series.length - 1] ** 1.5 / 1000) * 30,
-			config.maxX,
-			35 + (series[series.length - 1] ** 1.5 / 1000) * 30
-		);
-		ctx.quadraticCurveTo(
-			config.maxX,
-			35 - (series[series.length - 1] ** 1.5 / 1000) * 30,
-			config.maxX,
-			35 - (series[series.length - 1] ** 1.5 / 1000) * 30
-		);
-
-		// same series but reversed
-		for (const [ind, _v] of series.entries()) {
-			const index = series.length - 1 - ind;
-			const value = series[index];
-			const nextValue = series[index - 1];
-
-			ctx.strokeStyle = '#444';
-			ctx.lineWidth = 0.1;
-
-			const xc =
-				(index * config.deltaX +
-					0.5 * config.deltaX +
-					(index * config.deltaX - 0.5 * config.deltaX)) /
-				2;
-			const yc = (35 - (value ** 2 / 10000) * 30 + (35 - (nextValue ** 2 / 10000) * 30)) / 2;
-
-			ctx.quadraticCurveTo(
-				index * config.deltaX + 0.5 * config.deltaX,
-				35 - (value ** 2 / 10000) * 30,
-				xc,
-				yc
-			);
-		}
-		ctx.quadraticCurveTo(
-			0.5 * config.deltaX,
-			35 - (series[0] ** 1.5 / 1000) * 30,
-			0,
-			35 - (series[0] ** 1.5 / 1000) * 30
-		);
-
-		ctx.closePath();
-		//to fill the space in the shape
-		ctx.fillStyle = `hsla(${getComputedStyle(canvasElement).getPropertyValue('--muted-foreground').split(' ').join(',')}, 0.5)`;
-		ctx.fill();
-	}
-};

src/routes/weather/canvas/daylight.ts

@@ -1,20 +0,0 @@
-export default (
-	ctx: CanvasRenderingContext2D | null | undefined,
-	config: ConfigInterface,
-	series: Date[]
-): void => {
-	if (ctx) {
-		for (const [index, value] of series.entries()) {
-			if (value.getHours() > 6 && value.getHours() < 21) {
-				ctx.beginPath();
-				ctx.moveTo(index * config.deltaX, config.maxY);
-				ctx.lineTo(index * config.deltaX, 0);
-				ctx.lineTo((index + 1) * config.deltaX, 0);
-				ctx.lineTo((index + 1) * config.deltaX, config.maxY);
-				ctx.closePath();
-				ctx.fillStyle = '#f4ff0014';
-				ctx.fill();
-			}
-		}
-	}
-};

src/routes/weather/canvas/precip.ts

@@ -1,20 +0,0 @@
-export default (
-	ctx: CanvasRenderingContext2D | null | undefined,
-	config: ConfigInterface,
-	series: Float32Array | null | undefined,
-	canvasElement: HTMLCanvasElement
-): void => {
-	if (ctx && series) {
-		for (const [index, value] of series.entries()) {
-			ctx.beginPath();
-			ctx.moveTo(index * config.deltaX + 0.5 * config.deltaX, config.maxY);
-
-			ctx.strokeStyle = `hsla(${getComputedStyle(canvasElement).getPropertyValue('--primary').split(' ').join(',')}, 1)`;
-			ctx.lineWidth = 12;
-
-			ctx.lineTo(index * config.deltaX + 0.5 * config.deltaX, config.maxY - value ** 0.55 * 45);
-			ctx.stroke();
-			ctx.closePath();
-		}
-	}
-};

src/routes/weather/canvas/raster.ts

@@ -1,42 +0,0 @@
-export default (
-	ctx: CanvasRenderingContext2D | null | undefined,
-	config: ConfigInterface,
-	series: Date[],
-	today: Date,
-	canvasElement: HTMLCanvasElement
-): void => {
-	if (ctx && series) {
-		for (const [index, _v] of series.entries()) {
-			ctx.beginPath();
-			ctx.moveTo(index * config.deltaX, 0);
-			ctx.lineTo(index * config.deltaX, config.maxY);
-			if (series[index].getHours() === 0) {
-				ctx.strokeStyle = `hsla(${getComputedStyle(canvasElement).getPropertyValue('--border').split(' ').join(',')}, 1)`;
-				ctx.lineWidth = 3;
-			} else if (
-				series[index].getDate() === today.getDate() &&
-				series[index].getHours() === today.getHours()
-			) {
-				// fill now line
-				// TODO: update this line every minute
-				ctx.stroke();
-				ctx.closePath();
-				ctx.beginPath();
-				ctx.strokeStyle = 'red';
-				ctx.lineWidth = 5;
-				const minutes = today.getMinutes();
-				ctx.moveTo(index * config.deltaX + (config.deltaX / 60) * minutes, 0);
-				ctx.lineTo(index * config.deltaX + (config.deltaX / 60) * minutes, config.maxY);
-				ctx.stroke();
-				ctx.closePath();
-				ctx.strokeStyle = `hsla(${getComputedStyle(canvasElement).getPropertyValue('--border').split(' ').join(',')}, 0.75)`;
-				ctx.lineWidth = 1;
-			} else {
-				ctx.strokeStyle = `hsla(${getComputedStyle(canvasElement).getPropertyValue('--border').split(' ').join(',')}, 0.75)`;
-				ctx.lineWidth = 1;
-			}
-			ctx.stroke();
-			ctx.closePath();
-		}
-	}
-};

src/routes/weather/canvas/temp-gradient.ts

@@ -1,60 +0,0 @@
-import { getColor } from '../utils/colors';
-
-export default (
-	ctx: CanvasRenderingContext2D | null | undefined,
-	config: ConfigInterface,
-	series: Float32Array | null | undefined,
-	unit = 'celsius'
-): void => {
-	if (ctx && series) {
-		const tempGradientFill = ctx.createLinearGradient(0, 0, 0, config.maxY);
-		tempGradientFill.addColorStop(0, getColor(config.maxTemp.toFixed(0), unit) + '5c');
-		tempGradientFill.addColorStop(0.25, getColor(config.maxTemp.toFixed(0), unit) + '5c');
-		tempGradientFill.addColorStop(0.85, getColor(config.minTemp.toFixed(0), unit) + '06');
-		tempGradientFill.addColorStop(1, getColor(config.minTemp.toFixed(0), unit) + '00');
-
-		ctx.beginPath();
-		ctx.moveTo(
-			0,
-			0.25 * config.maxY + ((config.maxTemp - series[0]) / config.diffTemp) * 0.55 * config.maxY
-		);
-		for (const [index, value] of series.filter((t) => !isNaN(t)).entries()) {
-			const indexDiffTemp = config.maxTemp - value;
-			const indexDiffTempNext = config.maxTemp - series[index + 1];
-
-			ctx.strokeStyle = '#d3d3d3';
-			ctx.lineWidth = 4;
-
-			const xc =
-				(index * config.deltaX +
-					0.5 * config.deltaX +
-					(index * config.deltaX + 1.5 * config.deltaX)) /
-				2;
-			const yc =
-				(0.25 * config.maxY +
-					(indexDiffTemp / config.diffTemp) * 0.55 * config.maxY +
-					(0.25 * config.maxY + (indexDiffTempNext / config.diffTemp) * 0.55 * config.maxY)) /
-				2;
-
-			ctx.quadraticCurveTo(
-				index * config.deltaX + 0.5 * config.deltaX,
-				0.25 * config.maxY + (indexDiffTemp / config.diffTemp) * 0.55 * config.maxY,
-				xc,
-				yc
-			);
-		}
-		ctx.quadraticCurveTo(
-			config.maxX,
-			0.25 * config.maxY +
-				((config.maxTemp - series[series.length - 1]) / config.diffTemp) * 0.55 * config.maxY,
-			(config.maxX + config.maxX + config.deltaX) / 2,
-			0.25 * config.maxY +
-				((config.maxTemp - series[series.length - 1]) / config.diffTemp) * 0.55 * config.maxY
-		);
-		ctx.lineTo(config.maxX, config.maxY);
-		ctx.lineTo(0, config.maxY);
-		ctx.closePath();
-		ctx.fillStyle = tempGradientFill;
-		ctx.fill();
-	}
-};

src/routes/weather/compare/+page.svelte

@@ -8,12 +8,10 @@
 	import {
 		buildAverageSeries,
 		buildCurrentTimeSeries,
-		buildDaylightMarkAreas,
 		buildDaylightSeries,
 		buildModelSeries,
 		calculateAverage,
 		composeChartOption,
-		convertTimestamps,
 		findUnit,
 		getThemeColors
 	} from '$lib/utils/echarts';
@@ -24,6 +22,12 @@
 	import { Label } from '$lib/components/ui/label';
 	import { Switch } from '$lib/components/ui/switch';
 
+	import {
+		type MarkArea,
+		type ModelCompareResult,
+		fetchModelComparison
+	} from '$lib/services/weather';
+
 	import { hourly, models as modelsFlat } from '../options';
 	import { defaultParameters } from '../options';
 
@@ -65,7 +69,7 @@
 		hourly: Record<string, unknown>;
 		hourly_units: Record<string, string>;
 		utc_offset_seconds: number;
-		markAreas: Array<[{ xAxis: number; itemStyle: { color: string } }, { xAxis: number }]>;
+		markAreas: MarkArea[];
 		timestamps: number[];
 	}
 
@@ -102,38 +106,22 @@
 			chartInstances = [];
 			chartComponents = [];
 
-			const dataReq = await fetch(
+			const result: ModelCompareResult = await fetchModelComparison({
-				`https://api.open-meteo.com/v1/forecast?latitude=${location.latitude}&longitude=${location.longitude}&hourly=${hourlyVars.join(',')}&models=${modelList.join(',')}&timeformat=unixtime&daily=sunset,sunrise`
+				latitude: location.latitude!,
-			);
+				longitude: location.longitude!,
-			const data = await dataReq.json();
+				hourlyVariables: hourlyVars,
-
+				models: modelList,
-			let markAreas: FetchedData['markAreas'] = [];
+				temperature_unit: params.temperature_unit as 'celsius' | 'fahrenheit',
-
+				wind_speed_unit: params.wind_speed_unit as 'kmh' | 'ms' | 'mph' | 'kn',
-			if ('daily' in data) {
+				precipitation_unit: params.precipitation_unit as 'mm' | 'inch'
-				let dailyFirstModelKey: string[] | string = Object.keys(data.daily)[1].split('_');
+			});
-				dailyFirstModelKey.shift();
-				dailyFirstModelKey = dailyFirstModelKey.join('_');
-
-				const sunriseKey = 'sunrise_' + dailyFirstModelKey;
-				const sunsetKey = 'sunset_' + dailyFirstModelKey;
-
-				if (sunriseKey in data.daily && sunsetKey in data.daily) {
-					markAreas = buildDaylightMarkAreas(
-						data.daily[sunriseKey],
-						data.daily[sunsetKey],
-						data.utc_offset_seconds
-					);
-				}
-			}
-
-			const timestamps = convertTimestamps(data.hourly.time, data.utc_offset_seconds);
 
 			fetchedData = {
-				hourly: data.hourly,
+				hourly: result.hourlyFlat,
-				hourly_units: data.hourly_units,
+				hourly_units: result.hourlyUnitsFlat,
-				utc_offset_seconds: data.utc_offset_seconds,
+				utc_offset_seconds: result.utcOffsetSeconds,
-				markAreas,
+				markAreas: result.markAreas,
-				timestamps
+				timestamps: result.timestamps
 			};
 
 			loading = false;
@@ -158,7 +146,7 @@
 
 		const colors = getThemeColors();
 		const variableCount = params.hourly?.length || 0;
-		const timeLength = (hourlyData.time as number[]).length;
+		const timeLength = timestamps.length;
 		const newOptions: Array<Record<string, unknown>> = [];
 
 		for (let vi = 0; vi < variableCount; vi++) {

src/routes/weather/options.ts

@@ -13,7 +13,6 @@ export const models = [
 	{ value: 'icon_seamless', label: 'DWD ICON Seamless' },
 	{ value: 'gem_seamless', label: 'GEM Seamless' },
 	{ value: 'meteofrance_seamless', label: 'Météo-France Seamless' },
-	{ value: 'arpae_cosmo_seamless', label: 'ARPAE Seamless' },
 	{ value: 'metno_seamless', label: 'MET Norway Seamless (with ECMWF)' },
 	{ value: 'knmi_seamless', label: 'KNMI Seamless (with ECMWF)' },
 	{ value: 'dmi_seamless', label: 'DMI Seamless (with ECMWF)' },

src/routes/weather/utils/colors.ts

@@ -1,11 +1,11 @@
 import colorScaleHex from './color-scale-hex';
 
-function componentFromStr(numStr: string, percent: number) {
+const componentFromStr = (numStr: string, percent: number) => {
 	const num = Math.max(0, parseInt(numStr, 10));
 	return percent ? Math.floor((255 * Math.min(100, num)) / 100) : Math.min(255, num);
-}
+};
 
-export function rgbToHex(rgb: string) {
+export const rgbToHex = (rgb: string): string => {
 	const rgbRegex = /^rgb\(\s*(-?\d+)(%?)\s*,\s*(-?\d+)(%?)\s*,\s*(-?\d+)(%?)\s*\)$/;
 	let result,
 		r,
@@ -23,29 +23,58 @@ export function rgbToHex(rgb: string) {
 		return '355522';
 	}
 	return hex;
-}
+};
+
+export const hexToRgb = (hex: string): [number, number, number] => {
+	const h = hex.replace('#', '');
+	return [
+		parseInt(h.substring(0, 2), 16),
+		parseInt(h.substring(2, 4), 16),
+		parseInt(h.substring(4, 6), 16)
+	];
+};
+
+export const getColor = (temperature: number, unit = 'celsius'): string => {
+	if (unit !== 'celsius') {
+		temperature = Math.round(((temperature - 32) * 5) / 9);
+	}
 
-export const getColor = (tempString: string, unit = 'celsius'): string => {
 	let index = 0;
-	const temp = Number(tempString);
+	if (temperature <= -40) {
-	if (unit === 'celsius') {
-		if (temp <= -40) {
 		index = 0;
-		} else if (temp >= 60) {
+	} else if (temperature >= 60) {
 		index = colorScaleHex.length - 1;
 	} else {
-			index = temp + 40;
+		index = Math.round(temperature) + 45;
-		}
-	} else {
-		const tempInCelsius = Math.round(((temp - 32) * 5) / 9);
-		if (tempInCelsius <= -40) {
-			index = 0;
-		} else if (tempInCelsius >= 60) {
-			index = colorScaleHex.length - 1;
-		} else {
-			index = tempInCelsius + 40;
-		}
 	}
 
 	return colorScaleHex[index];
 };
+
+export interface TempStyle {
+	bg: string;
+	fg: 'white' | 'black';
+}
+
+export const getTempStyle = (temp: number, unit: string): TempStyle => {
+	const bg = getColor(temp, unit);
+	const fg = textWhite(hexToRgb(bg)) ? 'white' : 'black';
+	return { bg, fg };
+};
+
+export const textWhite = (
+	[r, g, b, a]: [number, number, number, number] | [number, number, number],
+	dark?: boolean,
+	globalOpacity?: number
+): boolean => {
+	const alpha = ((a || 1) * (globalOpacity || 100)) / 100;
+	if (alpha < 0.65) {
+		if (dark) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+	// check luminance
+	return r * 0.299 + g * 0.587 + b * 0.114 <= 150;
+};

src/routes/weather/week/[location]/+page.svelte

@@ -1,25 +1,19 @@
 <script lang="ts">
-	import { onMount } from 'svelte';
+	import { onDestroy, onMount } from 'svelte';
 	import { SvelteDate } from 'svelte/reactivity';
-	import { fade } from 'svelte/transition';
 
-	import { fetchWeatherApi } from 'openmeteo';
+	import { storedLocation } from '$lib/stores/settings';
 
-	import { type GeoLocation, storedLocation } from '$lib/stores/settings';
+	import { type WeekForecastResult, fetchWeekForecast } from '$lib/services/weather';
 
-	import { pad } from '$lib/utils/index';
+	import { defaultParameters } from '../../options';
+	import DailyCards from './DailyCards.svelte';
+	import HourlyTable from './HourlyTable.svelte';
+	import MeteogramCharts from './MeteogramCharts.svelte';
+	import ModelSelector from './ModelSelector.svelte';
 
-	import { Label } from '$lib/components/ui/label';
+	import type { GeoLocation } from '$lib/stores/settings';
-	import * as Select from '$lib/components/ui/select';
+	import type { FetchedDaily, FetchedHourly } from './types';
-
-	import cloudCover from '../../canvas/cloud-cover';
-	import daylight from '../../canvas/daylight';
-	import precip from '../../canvas/precip';
-	import raster from '../../canvas/raster';
-	import tempGradient from '../../canvas/temp-gradient';
-	import { defaultParameters, models } from '../../options';
-	import { getColor } from '../../utils/colors';
-	import weatherCodes from '../../utils/weather-codes';
 
 	let params = $state({
 		latitude: [$storedLocation.latitude],
@@ -28,652 +22,124 @@
 		...defaultParameters
 	});
 
-	let location = $state($storedLocation);
+	let location = $state<GeoLocation>($storedLocation);
 	storedLocation.subscribe((value) => {
 		location = value;
 	});
 
-	let diffTemp: number | undefined = $state();
+	let mounted = $state(false);
-	let maxTemp: number | undefined = $state();
+	let loading = $state(true);
 
-	let weatherCodesHourly: Float32Array | null | undefined = $state();
+	const selectedDay = new SvelteDate();
-	let canvasElement: HTMLCanvasElement | null | undefined = $state();
-
-	const today = new Date();
-	let selectedDay = $state(new Date());
 	let selectedDayIndex = $state(1);
 
-	let entries = $state(0);
+	let fetchedHourly: FetchedHourly | null = $state(null);
+	let fetchedDaily: FetchedDaily | null = $state(null);
 
-	let weather = $derived(
+	let meteogramCharts: MeteogramCharts | undefined = $state();
-		(async (location: GeoLocation) => {
-			const reqParams = {
-				latitude: location.latitude,
-				longitude: location.longitude,
-				elevation: location.elevation,
-				// timezone: location.timezone, ???
-				models: [params.models],
-				hourly: [
-					'precipitation',
-					'precipitation_probability',
-					'temperature_2m',
-					'weather_code',
-					'windspeed_10m',
-					'winddirection_10m',
-					'cloud_cover',
-					'relative_humidity_2m'
-				].join(','),
-				forecast_days: 6,
-				past_days: 1,
-				temperature_unit: params.temperature_unit,
-				wind_speed_unit: params.wind_speed_unit,
-				precipitation_unit: params.precipitation_unit
-			};
-			const url = 'https://api.open-meteo.com/v1/forecast';
-			const responses = await fetchWeatherApi(url, reqParams);
-			const response = responses[0];
-			const utcOffsetSeconds = response.utcOffsetSeconds();
-			const hourly = response.hourly()!;
-
-			weatherCodesHourly = hourly.variables(3)?.valuesArray();
-
-			let hourlyTime = [
-				...Array((Number(hourly.timeEnd()) - Number(hourly.time())) / hourly.interval())
-			].map(
-				(_, i) =>
-					new Date((Number(hourly.time()) + i * hourly.interval() + utcOffsetSeconds) * 1000)
-			);
-			const hourlyTemps = hourly.variables(2)?.valuesArray();
-			const hourlyCloudCover = hourly.variables(6)?.valuesArray();
-			const hourlyPrecip = hourly.variables(0)?.valuesArray();
-			const indexes = [];
-			if (hourlyTemps) {
-				for (const index of hourlyTemps.keys()) {
-					indexes.push(index);
-				}
-			}
-
-			const maxX = 10000;
-			const maxY = 500;
-			const deltaX = 10000 / (hourly.variables(0)?.valuesArray()?.length || 1);
-
-			const ctx = canvasElement?.getContext('2d');
-			if (ctx) {
-				ctx.clearRect(0, 0, maxX, maxY);
-
-				const minTemp = Math.min(
-					...(hourly.variables(2)?.valuesArray() ?? []).filter((t) => !isNaN(t))
-				);
-				maxTemp = Math.max(...(hourly.variables(2)?.valuesArray() ?? []).filter((t) => !isNaN(t)));
-				diffTemp = maxTemp - minTemp;
-
-				const config: ConfigInterface = {
-					maxX: maxX,
-					maxY: maxY,
-					deltaX: deltaX,
-					minTemp: minTemp,
-					maxTemp: maxTemp,
-					diffTemp: diffTemp
-				};
-
-				// create canvas
-				daylight(ctx, config, hourlyTime);
-				raster(ctx, config, hourlyTime, today, canvasElement!);
-				tempGradient(ctx, config, hourlyTemps, params.temperature_unit);
-				cloudCover(ctx, config, hourlyCloudCover, canvasElement!);
-				precip(ctx, config, hourlyPrecip, canvasElement!);
-			}
-
-			return {
-				entries: [
-					{
-						id: 0,
-						name: 'temperature_2m',
-						title: 'Temperature',
-						values: hourly
-							.variables(2)
-							?.valuesArray()
-							?.map((t) => Number(t.toFixed(1)))
-					},
-					{
-						id: 1,
-						name: 'precipitation',
-						title: 'Precipitation',
-						values: hourly
-							.variables(0)
-							?.valuesArray()
-							?.map((p) => Number(p.toFixed(1)))
-					},
-					{
-						id: 2,
-						name: 'precipitation_probability',
-						title: 'Precip Prob.',
-						values: hourly
-							.variables(1)
-							?.valuesArray()
-							?.map((p) => Number(p.toFixed(0)))
-					},
-					{
-						id: 3,
-						name: 'windspeed_10m',
-						title: 'Wind',
-						values: hourly
-							.variables(4)
-							?.valuesArray()
-							?.map((p) => Number(p.toFixed(0)))
-					},
-					{
-						id: 4,
-						name: 'relative_humidity_2m',
-						title: 'Rel. Hum.',
-						values: hourly
-							.variables(7)
-							?.valuesArray()
-							?.map((p) => Number(p.toFixed(0)))
-					}
-				],
-				entriesLength: hourly.variables(0)?.valuesArray()?.length,
-				hourlyTime: hourlyTime,
-				windDirections: hourly.variables(5)?.valuesArray(),
-				indexes: indexes
-			};
-		})(location)
-	);
-
-	let weatherDaily = $derived(
-		(async (location: GeoLocation) => {
-			const reqParams = {
-				latitude: location.latitude,
-				longitude: location.longitude,
-				elevation: location.elevation,
-				// timezone: location.timezone, ???
-				models: [params.models],
-				daily: [
-					'weather_code',
-					'temperature_2m_max',
-					'temperature_2m_min',
-					'sunrise',
-					'sunset',
-					'sunshine_duration',
-					'precipitation_sum',
-					'windspeed_10m_max',
-					'windgusts_10m_max',
-					'winddirection_10m_dominant'
-				].join(','),
-				forecast_days: 6,
-				past_days: 1,
-				temperature_unit: params.temperature_unit,
-				wind_speed_unit: params.wind_speed_unit,
-				precipitation_unit: params.precipitation_unit
-			};
-			const url = 'https://api.open-meteo.com/v1/forecast';
-			const responses = await fetchWeatherApi(url, reqParams);
-			const response = responses[0];
-			const utcOffsetSeconds = response.utcOffsetSeconds();
-			const daily = response.daily()!;
-
-			return {
-				daily: {
-					time: [...Array((Number(daily.timeEnd()) - Number(daily.time())) / daily.interval())].map(
-						(_, i) =>
-							new Date((Number(daily.time()) + i * daily.interval() + utcOffsetSeconds) * 1000)
-					),
-					weather_code: daily.variables(0)!,
-					temperature_2m_max: daily.variables(1)!,
-					temperature_2m_min: daily.variables(2)!,
-					sunrise: daily.variables(3)!,
-					sunset: daily.variables(4)!,
-					sunshine_duration: daily.variables(5)!,
-					precipitation_sum: daily.variables(6)!,
-					windspeed_10m_max: daily.variables(7)!,
-					windgusts_10m_max: daily.variables(8)!,
-					winddirection_10m_dominant: daily.variables(9)!
-				}
-			};
-		})(location)
-	);
-
-	let winddir = true;
-	entries = 6;
-
-	let scrollDiv: HTMLElement | undefined = $state();
-	let tableCells;
 
 	const switchDay = (date: Date, index: number) => {
-		selectedDay = date;
+		selectedDay.setTime(date.getTime());
-
-		tableCells = document.querySelectorAll('td.time');
-
-		for (let tableCell of tableCells) {
-			const htmlCell = tableCell as HTMLElement;
-			if (Number(htmlCell.dataset['date']) === selectedDay.getDate()) {
-				scrollDiv?.scrollTo({ left: htmlCell.offsetLeft - 110, behavior: 'smooth' });
-				break;
-			}
-		}
-
 		selectedDayIndex = index;
+		meteogramCharts?.scrollToDay(date);
 	};
 
 	onMount(() => {
-		setTimeout(() => {
+		mounted = true;
-			tableCells = document.querySelectorAll('td.time');
-			for (let tableCell of tableCells) {
-				const htmlCell = tableCell as HTMLElement;
-				if (Number(htmlCell.dataset['date']) === selectedDay.getDate()) {
-					scrollDiv?.scrollTo({ left: htmlCell.offsetLeft - 110 });
-					break;
-				}
-			}
-		}, 150);
 
 		document.onkeydown = (e) => {
-			if (scrollDiv !== document.activeElement && !scrollDiv?.contains(document.activeElement)) {
+			if (!fetchedDaily) return;
+			const days = fetchedDaily.dailyDates;
+
 			if (e.key === 'ArrowLeft') {
-					if (selectedDay.getDate() >= today.getDate()) {
+				const i = selectedDayIndex - 1;
-						let newDate = new Date();
+				if (i >= 0 && i < days.length) switchDay(days[i], i);
-						newDate.setDate(selectedDay.getDate() - 1);
+			} else if (e.key === 'ArrowRight') {
-						switchDay(newDate, selectedDayIndex - 1);
+				const i = selectedDayIndex + 1;
-					}
+				if (i >= 0 && i < days.length) switchDay(days[i], i);
-				}
-				if (e.key === 'ArrowRight') {
-					if (selectedDay.getDate() <= today.getDate() + 4) {
-						let newDate = new Date();
-						newDate.setDate(selectedDay.getDate() + 1);
-						switchDay(newDate, selectedDayIndex + 1);
-					}
-				}
 			}
 		};
 	});
 
-	let modelSelected = $derived(models.find((mo) => String(mo.value) === params.models?.[0]));
+	onDestroy(() => {
-	// let modelSelectedValue = $derived(params.models[0]);
+		document.onkeydown = null;
-	//
+	});
+
+	$effect(() => {
+		const loc = location;
+		const modelList = params.models;
+
+		if (!mounted || !loc || !modelList?.length) return;
+
+		const loadData = async () => {
+			loading = true;
+
+			const result: WeekForecastResult = await fetchWeekForecast({
+				latitude: loc.latitude!,
+				longitude: loc.longitude!,
+				model: modelList[0],
+				temperature_unit: params.temperature_unit as 'celsius' | 'fahrenheit',
+				wind_speed_unit: params.wind_speed_unit as 'kmh' | 'ms' | 'mph' | 'kn',
+				precipitation_unit: params.precipitation_unit as 'mm' | 'inch',
+				forecast_days: 7,
+				past_days: 0
+			});
+
+			fetchedHourly = {
+				hourly: result.hourly,
+				utc_offset_seconds: result.utcOffsetSeconds,
+				timestamps: result.hourlyTimestamps,
+				hourlyDates: result.hourlyDates,
+				markAreas: result.markAreas
+			};
+
+			fetchedDaily = {
+				daily: result.daily,
+				dailyDates: result.dailyDates
+			};
+
+			loading = false;
+		};
+
+		loadData();
+	});
 </script>
 
 <svelte:head>
 	<title>Weather | Open-Meteo.com</title>
 	<link rel="canonical" href="https://open-meteo.com/weather" />
-	<meta name="description" content="segseg" />
+	<meta name="description" content="7-day weather forecast with detailed hourly data" />
 </svelte:head>
 
-<div class="">
+<div class="week-page">
 	<div class="weather-content" style="min-height: 50vh">
-		<div
+		<DailyCards daily={fetchedDaily} {selectedDay} units={params} onSelectDay={switchDay} />
-			in:fade
+
-			out:fade
+		{#if fetchedHourly && fetchedDaily}
-			style="min-height: 256px"
+			<HourlyTable
-			class="weather-week gap-md-2 mb-4 flex flex-col md:flex-row"
+				data={fetchedHourly}
-		>
+				daily={fetchedDaily}
-			{#await weatherDaily then wd}
+				{selectedDay}
-				{#each wd.daily.time as time, index (index)}
+				units={params}
-					{@const selected = time.getDate() === selectedDay.getDate()}
+				locationName={location.name ?? ''}
-					{#if wd.daily.temperature_2m_max.values(index) != null && !isNaN(Number(wd.daily.temperature_2m_max
+			/>
-									.values(index)!
+		{/if}
-									.toFixed(1)))}
+
-						<button
+		{#if fetchedHourly}
-							style="transition: 300ms; min-width: 13%; {selected ? 'transform: scale(1.025)' : ''}"
+			<MeteogramCharts
-							class="cursor-pointer"
+				bind:this={meteogramCharts}
-							onclick={() => {
+				data={fetchedHourly}
-								switchDay(time, index);
+				{selectedDay}
+				units={params}
+				{loading}
+			/>
+		{/if}
+
+		<ModelSelector
+			selectedModel={params.models?.[0] ?? 'best_match'}
+			onModelChange={(model) => {
+				params.models = [model];
 			}}
-						>
+		/>
-							<div
-								class="gap-md-1 flex flex-row items-center justify-center rounded-xl p-1 md:flex-col md:justify-center md:p-3 {selected
-									? 'bg-accent'
-									: ''}"
-							>
-								<div class="weather-week-date">
-									<b>{time.getDate()} - {time.getMonth() + 1}</b>
-								</div>
-
-								<div
-									data-text={time.toLocaleDateString('en-GB', { weekday: 'long' })}
-									class="grow-text relative mx-auto inline-flex flex-col {selected
-										? 'font-bold'
-										: ''}"
-								>
-									{time.toLocaleDateString('en-GB', { weekday: 'long' })}
-								</div>
-
-								<div class="weather-week-icon pe-none py-2">
-									<svg class="fill-foreground" width="60px" height="60px">
-										<use
-											xlink:href="/images/weather-icons/wi-day-{weatherCodes[
-												(wd.daily.weather_code.values(index) ?? 0) as number
-											]}.svg#Layer_1"
-										></use>
-									</svg>
-								</div>
-								<div
-									class="weather-temp-max flex min-w-[65px] justify-center rounded-t p-1 text-sm"
-									style={`background-color: ${getColor((wd.daily.temperature_2m_max.values(index) ?? 0).toFixed(0), params.temperature_unit)}; color: ${(wd.daily.temperature_2m_min.values(index) ?? 0) < (params.temperature_unit === 'celsius' ? 4 : 7) || (wd.daily.temperature_2m_min.values(index) ?? 0) >= (params.temperature_unit === 'celsius' ? 30 : 104) ? 'white' : 'black'}`}
-								>
-									{wd.daily.temperature_2m_max.values(index)?.toFixed(1)}
-									{params.temperature_unit === 'celsius' ? '°C' : '°F'}
-								</div>
-								<div
-									class="weather-temp-min flex min-w-[65px] justify-center rounded-b p-1 text-sm"
-									style={`background: ${getColor((wd.daily.temperature_2m_min.values(index) ?? 0).toFixed(0), params.temperature_unit)}; color: ${(wd.daily.temperature_2m_min.values(index) ?? 0) < (params.temperature_unit === 'celsius' ? 4 : 7) || (wd.daily.temperature_2m_min.values(index) ?? 0) >= (params.temperature_unit === 'celsius' ? 30 : 104) ? 'white' : 'black'}`}
-								>
-									{wd.daily.temperature_2m_min.values(index)?.toFixed(1)}
-									{params.temperature_unit === 'celsius' ? '°C' : '°F'}
-								</div>
-								<div class="mt-2 flex items-center justify-center gap-1">
-									<div class="relative flex h-6 w-6 items-center justify-center">
-										<div class="absolute">
-											<svg class="fill-foreground" width="26px" height="26px">
-												<use
-													class="stroke-2"
-													xlink:href="/images/weather-icons/wi-day-sunny.svg#Layer_1"
-												></use>
-											</svg>
-										</div>
-									</div>
-
-									{Number((wd.daily.sunshine_duration.values(index) ?? 0) / 3600).toFixed(0)}h
-								</div>
-								<div class="mt-1 flex items-center justify-center">
-									<div class="relative flex h-6 w-6 items-center justify-center">
-										<div class="absolute">
-											<svg class="fill-foreground" width="28px" height="28px">
-												<use
-													class="stroke-2"
-													xlink:href="/images/weather-icons/wi-raindrop.svg#Layer_1"
-												></use>
-											</svg>
-										</div>
-									</div>
-									{Number(wd.daily.precipitation_sum.values(index)).toFixed(
-										1
-									)}{params.precipitation_unit === 'mm' ? 'mm' : "'"}
-								</div>
-							</div>
-						</button>
-					{/if}
-				{/each}
-			{:catch error}
-				<p style="color: red">{error.message}</p>
-			{/await}
-		</div>
-		<div class="ml-22 md:ml-0">
-			<h3 class="text-xl font-bold">
-				{selectedDay.toLocaleDateString('en-GB', { weekday: 'long' })}
-				<small>
-					{selectedDay.getDate() === new Date(today.getTime() - 24 * 60 * 60 * 1000).getDate()
-						? ' (Yesterday)'
-						: ''}
-					{selectedDay.getDate() === today.getDate() ? ' (Today)' : ''}
-					{selectedDay.getDate() === new Date(today.getTime() + 24 * 60 * 60 * 1000).getDate()
-						? ' (Tomorrow)'
-						: ''}
-				</small>
-			</h3>
-		</div>
-		<div
-			bind:this={scrollDiv}
-			style=" height: {218 + entries * 27.5}px; "
-			class="w-ful relative -mx-5 overflow-x-scroll overflow-y-hidden md:-ml-[110px]"
-		>
-			<canvas
-				bind:this={canvasElement}
-				id="weather_week_canvas"
-				class="border border-border"
-				style="margin-top: 24px; margin-left: 110px; width: 5000px; height: 200px; "
-				height="500px"
-				width="10000px"
-			></canvas>
-			<table in:fade class="absolute bottom-0 border-b border-border">
-				<caption style="display:none"> Weather Week {location.name} </caption>
-				<tbody>
-					{#await weather then weather}
-						<tr>
-							<th
-								scope="row"
-								class="time"
-								style="color: transparent; padding-left: 4px;  background: transparent; left: 0px; min-width: 110px; max-width: 110px; position: sticky;"
-								>Time</th
-							>
-							{#each weather.indexes as index, j (j)}
-								<td
-									class="time {weather.hourlyTime[index].getDate() === today.getDate() &&
-									weather.hourlyTime[index].getHours() === today.getHours()
-										? 'now'
-										: ''}"
-									data-date={weather.hourlyTime[index].getDate()}
-									data-time={weather.hourlyTime[index].getHours() + ':00'}
-									style="font-size: 11px; position: absolute; bottom: {188 +
-										27 * entries}px; left:{111 +
-										(5000 / (weather.entriesLength || 1)) * index}px; min-width: {5000 /
-										(weather.entriesLength || 1)}px; max-width: {5000 /
-										(weather.entriesLength || 1)}px;"
-									>{weather.hourlyTime[index].getHours() < 10 ? '0' : ''}{weather.hourlyTime[
-										index
-									].getHours()}</td
-								>
-							{/each}
-						</tr>
-						<!-- icons -->
-						<tr>
-							<th
-								scope="row"
-								style="color: transparent; padding-left: 4px;  background: transparent; left: 0px; min-width: 110px; max-width: 110px; position: sticky;"
-								>Icons</th
-							>
-							{#each weather.indexes as index, j (j)}
-								{@const now =
-									weather.hourlyTime[index].getDate() === today.getDate() &&
-									weather.hourlyTime[index].getHours() === today.getHours()}
-								<td
-									style="position: absolute; bottom: {27.5 * entries -
-										24 +
-										0.8 * 200 -
-										0.54 *
-											200 *
-											((maxTemp! - weather.entries[0].values![index]) / diffTemp!)}px; left:{116 +
-										(5000 / (weather.entriesLength || 1)) * index}px; min-width: {5000 /
-										(weather.entriesLength || 1)}px; max-width: {5000 /
-										(weather.entriesLength || 1)}px;"
-									><svg class="fill-foreground {now ? 'scale-125' : ''}" width="20px" height="20px">
-										<use
-											class="stroke-2"
-											xlink:href="/images/weather-icons/wi-{weather.hourlyTime[index].getHours() >
-												6 && weather.hourlyTime[index].getHours() < 21
-												? 'day'
-												: 'night'}-{weatherCodes[weatherCodesHourly![index] as number]}.svg#Layer_1"
-										></use>
-									</svg></td
-								>
-							{/each}
-						</tr>
-
-						<!-- min / max -->
-						<tr>
-							<th
-								scope="row"
-								style="color: transparent; padding-left: 4px;  background: transparent; left: 0px; min-width: 110px; max-width: 110px; position: sticky;"
-								>Temp graph</th
-							>
-							{#each weather.indexes as index, j (j)}
-								{@const temp = weather.entries?.[0]?.values?.[index]}
-
-								{#if temp !== undefined && !isNaN(temp)}
-									<td
-										class={weather.hourlyTime[index].getDate() === today.getDate() &&
-										weather.hourlyTime[index].getHours() === today.getHours()
-											? 'now'
-											: ''}
-										style="position: absolute; bottom: {27.5 * entries -
-											49 +
-											0.8 * 200 -
-											0.55 * 200 * ((maxTemp! - temp!) / diffTemp!)}px; left:{111 +
-											(5000 / (weather.entriesLength || 1)) * index}px; min-width: {5000 /
-											(weather.entriesLength || 1)}px; max-width: {5000 /
-											(weather.entriesLength || 1)}px;">{temp?.toFixed(0)}</td
-									>
-								{/if}
-							{/each}
-						</tr>
-						{#each weather.entries as entry, i (i)}
-							<tr class="border-t border-border">
-								<th
-									scope="row"
-									class="bg-background text-left"
-									style="left: 0px; min-width: 110px; max-width: 110px; position: sticky;"
-									>{entry.title}</th
-								>
-
-								{#each weather.indexes as index, j (j)}
-									{#if entry.values && !isNaN(entry.values[index])}
-										<td
-											class="border-r border-border {weather.hourlyTime[index].getDate() ===
-												today.getDate() && weather.hourlyTime[index].getHours() === today.getHours()
-												? 'now'
-												: ''}"
-											style="min-width: {5000 / (weather.entriesLength || 1)}px; max-width: {5000 /
-												(weather.entriesLength || 1)}px;
-											{entry.name === 'temperature_2m'
-												? 'background: ' +
-													getColor(
-														weather.entries[0].values![index].toFixed(0),
-														params.temperature_unit
-													)
-												: ''};
-											{entry.name === 'temperature_2m'
-												? 'color: ' +
-													(weather.entries[0].values![index] <
-														(params.temperature_unit === 'celsius' ? -13 : 7) ||
-													weather.entries[0].values![index] >=
-														(params.temperature_unit === 'celsius' ? 40 : 104)
-														? 'white'
-														: 'black')
-												: ''};
-											{entry.name === 'precipitation_probability'
-												? 'background: rgba(0, 0, 230,' +
-													weather.entries[2].values![index] / 120 +
-													')'
-												: ''};
-											{entry.name === 'precipitation_probability'
-												? 'color: ' +
-													(weather.entries[2].values![index] > 50
-														? 'white'
-														: 'hsl(var(--foreground)')
-												: ''};
-											{entry.name === 'relative_humidity_2m'
-												? 'background: rgba(0, 240, 240,' +
-													weather.entries[4].values![index] ** 3.8 / 10 ** 8.2 +
-													')'
-												: ''};"
-											>{entry.name === 'precipitation' || entry.name === 'temperature_2m'
-												? entry.values![index].toFixed(1)
-												: entry.values![index]}</td
-										>
-									{/if}
-								{/each}
-							</tr>
-						{/each}
-						{#if winddir}
-							<!-- winddir -->
-							<tr class="border-t border-border">
-								<th
-									scope="row"
-									class="bg-background text-left"
-									style="z-index: 20; left: 0px; min-width: 110px; max-width: 110px; position: sticky;"
-									>Wind Dir.</th
-								>
-								{#each weather.indexes as index, j (j)}
-									{#if weather.windDirections && !isNaN(weather.windDirections[index])}
-										<td
-											class="border-r border-border {weather.hourlyTime[index].getDate() ===
-												today.getDate() && weather.hourlyTime[index].getHours() === today.getHours()
-												? 'now'
-												: ''}"
-											style="transform: rotate({weather.windDirections![
-												index
-											]}deg);min-width: {5000 / (weather.entriesLength || 1)}px; max-width: {5000 /
-												(weather.entriesLength || 1)}px;"
-											><svg class="fill-foreground" width="25px" height="25px">
-												<use xlink:href="/images/weather-icons/wi-direction-down.svg#Layer_1"></use>
-											</svg></td
-										>
-									{/if}
-								{/each}
-							</tr>
-						{/if}
-					{/await}
-				</tbody>
-			</table>
-		</div>
-	</div>
-	{#await weatherDaily then wd}
-		{@const sunrise = new Date(Number(wd.daily.sunrise.valuesInt64(selectedDayIndex)) * 1000)}
-		{@const sunset = new Date(Number(wd.daily.sunset.valuesInt64(selectedDayIndex)) * 1000)}
-		<div class="mt-6">
-			<div class="flex items-center gap-1">
-				<svg class="fill-foreground" width="28px" height="28px">
-					<use class="stroke-2" xlink:href="/images/weather-icons/wi-sunrise.svg#Layer_1"></use>
-				</svg>Sunrise: {pad(sunrise.getHours())}:{pad(sunrise.getMinutes())}
-			</div>
-			<div class="flex items-center gap-1">
-				<svg class="fill-foreground" width="28px" height="28px">
-					<use class="stroke-2" xlink:href="/images/weather-icons/wi-sunset.svg#Layer_1"></use>
-				</svg>
-				Sunset: {pad(sunset.getHours())}:{pad(sunset.getMinutes())}
-			</div>
-		</div>
-	{/await}
-	<div>
-		<div class="mt-6 flex gap-6 md:mt-12">
-			<div class="relative w-1/2">
-				{#if params.models && params.models.length > 0}
-					{@const modelValue = params.models[0]}
-					<Select.Root
-						name="model_selection"
-						type="single"
-						value={modelValue}
-						onValueChange={(val) => {
-							if (params.models && val) {
-								params.models = [val];
-							}
-						}}
-					>
-						<Select.Trigger
-							aria-label="Forecast days input"
-							class="h-12 cursor-pointer pt-6 [&_svg]:mb-3">{modelSelected?.label}</Select.Trigger
-						>
-						<Select.Content preventScroll={false} class="border-border">
-							{#each models as mo (mo.value)}
-								<Select.Item class="cursor-pointer" value={mo.value}>{mo.label}</Select.Item>
-							{/each}
-						</Select.Content>
-						<Label class="absolute top-[0.35rem] left-2 z-10 px-1 text-xs text-muted-foreground"
-							>Weather model</Label
-						>
-					</Select.Root>
-				{/if}
-			</div>
-		</div>
 	</div>
 </div>
-
-<style>
-	.now {
-		font-weight: bold;
-	}
-
-	td {
-		text-align: center;
-		font-size: 13px;
-	}
-
-	.weather-week-icon {
-		width: 100%;
-		display: flex;
-		justify-content: center;
-		align-items: center;
-		background: #0061a5;
-		margin: 5px 0;
-		border-radius: 5px;
-	}
-</style>

src/routes/weather/week/[location]/DailyCards.svelte

@@ -0,0 +1,178 @@
+<script lang="ts">
+	import { fade } from 'svelte/transition';
+
+	import { getTempStyle } from '../../utils/colors';
+	import weatherCodes from '../../utils/weather-codes';
+	import { type FetchedDaily, type WeatherUnits, getDayLabel, getWindArrowRotation } from './types';
+
+	interface Props {
+		daily: FetchedDaily | null;
+		selectedDay: Date;
+		units: WeatherUnits;
+		onSelectDay: (date: Date, index: number) => void;
+	}
+
+	let { daily, selectedDay, units, onSelectDay }: Props = $props();
+
+	const today = new Date();
+
+	function getDaylightSeconds(index: number): number {
+		if (!daily) return 0;
+		const sunriseTs = daily.daily.sunrise[index];
+		const sunsetTs = daily.daily.sunset[index];
+		if (!sunriseTs || !sunsetTs) return 0;
+		return Math.max(0, sunsetTs - sunriseTs);
+	}
+
+	function getSunshinePercent(sunshineSeconds: number | null, daylightSeconds: number): number {
+		if (!sunshineSeconds || daylightSeconds <= 0) return 0;
+		return Math.min(100, (sunshineSeconds / daylightSeconds) * 100);
+	}
+
+	function getSunshineColor(sunshineSeconds: number | null, daylightSeconds: number): string {
+		if (daylightSeconds <= 0) return '#d1d5db';
+		const ratio = (sunshineSeconds ?? 0) / daylightSeconds;
+		if (ratio >= 0.7) return '#f59e0b';
+		if (ratio >= 0.45) return '#fbbf24';
+		if (ratio >= 0.2) return '#fcd34d';
+		return '#d1d5db';
+	}
+</script>
+
+<div in:fade out:fade class="mb-6 min-h-[260px]">
+	<div class="flex gap-1 overflow-x-auto pb-1" style="scrollbar-width: thin">
+		{#if daily}
+			{#each daily.dailyDates as time, index (index)}
+				{@const selected = time.getDate() === selectedDay.getDate()}
+				{@const tempMax = daily.daily.temperature_2m_max[index]}
+				{@const tempMin = daily.daily.temperature_2m_min[index]}
+				{@const wCode = daily.daily.weather_code[index]}
+				{@const sunDuration = daily.daily.sunshine_duration[index]}
+				{@const daylightSec = getDaylightSeconds(index)}
+				{@const sunColor = getSunshineColor(sunDuration, daylightSec)}
+				{@const sunPct = getSunshinePercent(sunDuration, daylightSec)}
+				{@const precipSum = daily.daily.precipitation_sum[index]}
+				{@const windMax = daily.daily.windspeed_10m_max[index]}
+				{@const gustMax = daily.daily.windgusts_10m_max[index]}
+				{@const windDir = daily.daily.winddirection_10m_dominant[index]}
+				{@const unit = String(units.temperature_unit)}
+				{@const maxStyle = getTempStyle(tempMax, unit)}
+				{@const minStyle = getTempStyle(tempMin, unit)}
+				{#if tempMax != null && !isNaN(tempMax)}
+					<button
+						class="group flex min-w-[108px] max-w-[170px] flex-1 cursor-pointer flex-col items-center gap-0.5 rounded-xl border-2 px-1.5 py-2 transition-all duration-200
+							{selected
+							? 'scale-[1.03] border-primary bg-accent shadow-md'
+							: 'border-transparent bg-card hover:bg-accent'}"
+						onclick={() => onSelectDay(time, index)}
+					>
+						<!-- Day label -->
+						<span class="text-sm font-bold tracking-wide">
+							{time.toLocaleDateString('en-GB', { weekday: 'short' }).toUpperCase()}
+						</span>
+						<span class="text-[11px] text-muted-foreground">
+							{getDayLabel(time, today)}
+						</span>
+
+						<!-- Weather icon -->
+						<div
+							class="my-1 flex w-full items-center justify-center rounded-lg py-1.5"
+							style="background: {sunColor}22"
+						>
+							<svg class="fill-foreground" width="48px" height="48px">
+								<use
+									xlink:href="/images/weather-icons/wi-day-{weatherCodes[
+										wCode as keyof typeof weatherCodes
+									] ?? 'clear'}.svg#Layer_1"
+								></use>
+							</svg>
+						</div>
+
+						<!-- Temperature max/min -->
+						<div class="flex w-full flex-col">
+							<div
+								class="w-full rounded-t px-1 py-0.5 text-center text-[15px] font-bold"
+								style="background-color: {maxStyle.bg}; color: {maxStyle.fg}"
+							>
+								{tempMax.toFixed(0)}°
+							</div>
+							<div
+								class="w-full rounded-b px-1 py-0.5 text-center text-xs font-semibold"
+								style="background-color: {minStyle.bg}; color: {minStyle.fg}"
+							>
+								{tempMin.toFixed(0)}°
+							</div>
+						</div>
+
+						<!-- Details section -->
+						<div class="mt-1 flex w-full flex-col items-center gap-0.5">
+							<!-- Sunshine bar -->
+							<div class="flex w-full items-center gap-1 px-1">
+								<svg class="shrink-0" width="14px" height="14px" style="fill: {sunColor}">
+									<use xlink:href="/images/weather-icons/wi-day-sunny.svg#Layer_1"></use>
+								</svg>
+								<div class="h-1.5 flex-1 overflow-hidden rounded-full bg-muted">
+									<div
+										class="h-full rounded-full transition-all"
+										style="width: {sunPct}%; background-color: {sunColor}"
+									></div>
+								</div>
+								<span class="text-[10px] font-medium text-muted-foreground">
+									{Number((sunDuration ?? 0) / 3600).toFixed(0)}h
+								</span>
+							</div>
+
+							<!-- Precipitation -->
+							<div class="flex items-center gap-1 text-[11px]">
+								<svg class="fill-foreground shrink-0" width="14px" height="14px">
+									<use xlink:href="/images/weather-icons/wi-raindrop.svg#Layer_1"></use>
+								</svg>
+								<span>
+									{Number(precipSum ?? 0).toFixed(
+										precipSum >= 10 ? 0 : 1
+									)}{units.precipitation_unit === 'mm' ? ' mm' : "'"}
+								</span>
+							</div>
+
+							<!-- Wind with direction -->
+							<div class="flex items-center gap-1 text-[11px]">
+								{#if windDir != null && !isNaN(windDir)}
+									<div
+										class="inline-flex shrink-0"
+										style="transform: {getWindArrowRotation(windDir)}"
+									>
+										<svg class="fill-foreground" width="20px" height="20px">
+											<use xlink:href="/images/weather-icons/wi-direction-down.svg#Layer_1"></use>
+										</svg>
+									</div>
+								{:else}
+									<svg class="fill-foreground shrink-0" width="20px" height="20px">
+										<use xlink:href="/images/weather-icons/wi-strong-wind.svg#Layer_1"></use>
+									</svg>
+								{/if}
+								<span>
+									{windMax?.toFixed(0) ?? '-'}<span class="text-muted-foreground"
+										>-{gustMax?.toFixed(0) ?? '-'}</span
+									>
+								</span>
+							</div>
+						</div>
+					</button>
+				{/if}
+			{/each}
+		{/if}
+	</div>
+</div>
+
+<style>
+	@media (max-width: 768px) {
+		button {
+			min-width: 92px !important;
+		}
+
+		button :global(svg[width='48px']) {
+			width: 40px;
+			height: 40px;
+		}
+	}
+</style>

src/routes/weather/week/[location]/HourlyTable.svelte

@@ -0,0 +1,524 @@
+<script lang="ts">
+	import { pad } from '$lib/utils/index';
+
+	import { getTempStyle } from '../../utils/colors';
+	import weatherCodes from '../../utils/weather-codes';
+	import {
+		type FetchedDaily,
+		type FetchedHourly,
+		type WeatherUnits,
+		getPrecipUnit,
+		getTempUnit,
+		getWindArrowRotation,
+		getWindUnit,
+		isCurrentHour
+	} from './types';
+
+	interface Props {
+		data: FetchedHourly;
+		daily: FetchedDaily;
+		selectedDay: Date;
+		units: WeatherUnits;
+		locationName: string;
+	}
+
+	let { data, daily, selectedDay, units, locationName }: Props = $props();
+
+	let hourlyInterval = $state<1 | 3>(3);
+
+	const today = new Date();
+	const tempUnit = $derived(getTempUnit(units));
+	const windUnit = $derived(getWindUnit(units));
+	const precipUnit = $derived(getPrecipUnit(units));
+	let sunTimes = $derived(getSunTimes());
+
+	const PRECIP_MAX_MM = 10;
+	const PRECIP_MAX_INCH = 0.4;
+
+	let precipAbsMax = $derived(units.precipitation_unit === 'mm' ? PRECIP_MAX_MM : PRECIP_MAX_INCH);
+
+	function getSelectedDayDailyIndex(): number {
+		return findDailyIndex(selectedDay);
+	}
+
+	function getSunTimes(): { sunrise: Date; sunset: Date } | null {
+		const di = getSelectedDayDailyIndex();
+		if (di < 0) return null;
+		const rise = daily.daily.sunrise[di];
+		const set = daily.daily.sunset[di];
+		if (!rise || !set) return null;
+		return {
+			sunrise: new Date(rise * 1000),
+			sunset: new Date(set * 1000)
+		};
+	}
+
+	function timeToFraction(date: Date): number {
+		const totalMinutes = date.getHours() * 60 + date.getMinutes();
+		const firstMin = cellData[0].date.getHours() * 60;
+		const step = is3h ? 3 : 1;
+		const lastMin = cellData[cellData.length - 1].date.getHours() * 60 + step * 60;
+		const range = lastMin - firstMin;
+		if (range <= 0) return 0;
+		return Math.max(0, Math.min(1, (totalMinutes - firstMin) / range));
+	}
+
+	function formatTime(date: Date): string {
+		return `${pad(date.getHours())}:${pad(date.getMinutes())}`;
+	}
+
+	function formatTimezone(offsetSeconds: number): string {
+		const sign = offsetSeconds >= 0 ? '+' : '-';
+		const abs = Math.abs(offsetSeconds);
+		const hours = Math.floor(abs / 3600);
+		const minutes = Math.floor((abs % 3600) / 60);
+		return minutes === 0 ? `UTC${sign}${hours}` : `UTC${sign}${hours}:${pad(minutes)}`;
+	}
+
+	let timezoneLabel = $derived(formatTimezone(data.utc_offset_seconds));
+
+	function findDailyIndex(date: Date): number {
+		return daily.dailyDates.findIndex(
+			(dd) =>
+				dd.getDate() === date.getDate() &&
+				dd.getMonth() === date.getMonth() &&
+				dd.getFullYear() === date.getFullYear()
+		);
+	}
+
+	function isDaytime(hourDate: Date): boolean {
+		const di = findDailyIndex(hourDate);
+		if (di < 0) return true;
+		const sunrise = daily.daily.sunrise[di];
+		const sunset = daily.daily.sunset[di];
+		if (!sunrise || !sunset) return true;
+		const ts = Math.floor(hourDate.getTime() / 1000);
+		return ts >= sunrise && ts < sunset;
+	}
+
+	function getDayIndices(dates: Date[], day: Date): number[] {
+		return dates.reduce<number[]>((acc, d, i) => {
+			if (
+				d.getDate() === day.getDate() &&
+				d.getMonth() === day.getMonth() &&
+				d.getFullYear() === day.getFullYear() &&
+				(hourlyInterval === 1 || d.getHours() % 3 === 0)
+			) {
+				acc.push(i);
+			}
+			return acc;
+		}, []);
+	}
+
+	function getPrecipBarHeight(val: number): number {
+		if (!val || val <= 0) return 0;
+		return Math.min(100, (val / precipAbsMax) * 100);
+	}
+
+	function getPrecipProbBg(prob: number): string {
+		if (!prob || prob <= 0) return 'transparent';
+		return `rgba(30, 100, 220, ${(Math.round(prob / 10) / 100) * 10 * 0.45})`;
+	}
+
+	function getCloudOpacity(cover: number): number {
+		return Math.min(0.55, (cover ?? 0) / 150);
+	}
+
+	function getHumidityBg(hum: number): string {
+		return `rgba(0, 180, 200, ${hum ** 3.5 / 10 ** 7.8})`;
+	}
+
+	function formatPrecipTooltip(precip: number | null, prob: number | null): string {
+		const parts: string[] = [];
+		if (prob != null && prob > 0) parts.push(`Probability: ${prob}%`);
+		if (precip != null && precip > 0) parts.push(`Amount: ${precip.toFixed(1)} ${precipUnit}`);
+		return parts.join('\n');
+	}
+
+	function formatTemp(temp: number | null): string {
+		return temp != null ? `${temp.toFixed(0)}°` : '-';
+	}
+
+	function formatValue(val: number | null): string {
+		return val != null ? val.toFixed(0) : '-';
+	}
+
+	let dayIdx = $derived(getDayIndices(data.hourlyDates, selectedDay));
+	let is3h = $derived(hourlyInterval === 3);
+	let daytimeFlags = $derived(dayIdx.map((idx) => isDaytime(data.hourlyDates[idx])));
+
+	let cellData = $derived(
+		dayIdx.map((idx, i) => ({
+			idx,
+			date: data.hourlyDates[idx],
+			isNow: isCurrentHour(data.hourlyDates[idx], today),
+			isDaytime: daytimeFlags[i]
+		}))
+	);
+
+	let sunrisePercent = $derived(
+		sunTimes && cellData.length > 0 ? timeToFraction(sunTimes.sunrise) * 100 : null
+	);
+	let sunsetPercent = $derived(
+		sunTimes && cellData.length > 0 ? timeToFraction(sunTimes.sunset) * 100 : null
+	);
+
+	function getWeatherIconName(code: number, daytime: boolean): string {
+		const prefix = daytime ? 'day' : 'night';
+		const name = weatherCodes[code as keyof typeof weatherCodes] ?? 'clear';
+		return `wi-${prefix}-${name}`;
+	}
+</script>
+
+{#snippet weatherIcon(name: string, size: number = 16)}
+	<svg class="inline-block fill-foreground" width={size} height={size}>
+		<use xlink:href="/images/weather-icons/{name}.svg#Layer_1"></use>
+	</svg>
+{/snippet}
+
+{#snippet rowHeader(iconName?: string, unit?: string, label?: string)}
+	<th class="hdr" scope="row">
+		<div class="flex flex-col items-center leading-tight">
+			{#if iconName}
+				{@render weatherIcon(iconName)}
+			{/if}
+			{#if label}
+				<span class="text-[11px] font-semibold text-muted-foreground">{label}</span>
+			{/if}
+			{#if unit}
+				<span class="text-[10px] font-semibold text-muted-foreground">{unit}</span>
+			{/if}
+		</div>
+	</th>
+{/snippet}
+
+<!-- Header -->
+<div class="mb-2 flex flex-wrap items-center justify-between gap-2">
+	<h3 class="text-lg font-bold">
+		{selectedDay.toLocaleDateString('en-GB', { weekday: 'long' })} – Hourly
+		<span class="ml-1 text-xs font-normal text-muted-foreground">({timezoneLabel})</span>
+	</h3>
+	<div class="flex items-center gap-1.5 text-[13px] font-semibold">
+		<span class="select-none text-muted-foreground">3h</span>
+		<button
+			class="relative h-6 w-11 cursor-pointer rounded-full border transition-colors
+				{hourlyInterval === 1 ? 'border-primary/40 bg-primary' : 'border-border bg-muted'}"
+			onclick={() => (hourlyInterval = hourlyInterval === 1 ? 3 : 1)}
+			title="Toggle between 1-hour and 3-hour intervals"
+		>
+			<span
+				class="absolute top-[3px] size-[18px] rounded-full bg-white shadow-sm transition-[left] duration-200
+					{hourlyInterval === 1 ? 'left-[22px]' : 'left-[3px]'}"
+			></span>
+		</button>
+		<span class="select-none text-muted-foreground">1h</span>
+	</div>
+</div>
+
+{#if cellData.length > 0}
+	{@const hourly = data.hourly}
+	{@const iconPx = is3h ? 40 : 26}
+	<div class="overflow-hidden rounded-lg border border-border">
+		<table class="w-full table-fixed border-collapse whitespace-nowrap">
+			<caption class="sr-only">Hourly weather details for {locationName}</caption>
+			<colgroup>
+				<col class="w-14 md:w-16" />
+				{#each cellData as _ (_.idx)}
+					<col />
+				{/each}
+			</colgroup>
+			<tbody>
+				<!-- Time + Daylight bar (merged) -->
+				<tr class="!border-t-0">
+					<th class="hdr" scope="row">
+						<span class="text-[10px] font-semibold text-muted-foreground">{timezoneLabel}</span>
+					</th>
+					<td colspan={cellData.length} class="relative h-10 overflow-visible p-0">
+						<!-- Daylight background -->
+						{#if sunTimes && sunrisePercent != null && sunsetPercent != null}
+							<div
+								class="absolute inset-y-0 left-0 bg-indigo-950/10 dark:bg-indigo-950/30"
+								style="width:{sunrisePercent}%"
+							></div>
+							<div
+								class="absolute inset-y-0 bg-amber-400/15 dark:bg-amber-400/10"
+								style="left:{sunrisePercent}%;width:{sunsetPercent - sunrisePercent}%"
+							></div>
+							<div
+								class="absolute inset-y-0 right-0 bg-indigo-950/10 dark:bg-indigo-950/30"
+								style="width:{100 - sunsetPercent}%"
+							></div>
+							<!-- Sunrise marker + label -->
+							<div class="absolute inset-y-0 w-px bg-amber-500/70" style="left:{sunrisePercent}%">
+								<span
+									class="absolute bottom-0.5 left-1 whitespace-nowrap text-[10px] font-semibold leading-none text-amber-700 dark:text-amber-300"
+								>
+									<svg
+										class="fill-foreground inline-block"
+										width="12px"
+										height="12px"
+										aria-hidden="true"
+									>
+										<use class="stroke-2" xlink:href="/images/weather-icons/wi-sunrise.svg#Layer_1"
+										></use>
+									</svg>
+									<span class="align-middle">{formatTime(sunTimes.sunrise)}</span>
+								</span>
+							</div>
+							<!-- Sunset marker + label -->
+							<div class="absolute inset-y-0 w-px bg-indigo-400/70" style="left:{sunsetPercent}%">
+								<span
+									class="absolute bottom-0.5 right-1 whitespace-nowrap text-[10px] font-semibold leading-none text-indigo-600 dark:text-indigo-300 inline-flex items-center gap-1"
+								>
+									<svg
+										class="fill-foreground inline-block"
+										width="12px"
+										height="12px"
+										aria-hidden="true"
+									>
+										<use class="stroke-2" xlink:href="/images/weather-icons/wi-sunset.svg#Layer_1"
+										></use>
+									</svg>
+									<span class="align-middle">{formatTime(sunTimes.sunset)}</span>
+								</span>
+							</div>
+						{/if}
+						<!-- Hour labels -->
+						{#each cellData as cell, i (cell.idx)}
+							{@const leftPct = (i / cellData.length) * 100}
+							{@const widthPct = 100 / cellData.length}
+							<span
+								class="absolute top-0 flex items-start pt-1 font-bold pl-0.5 text-sm
+								{cell.isNow ? 'text-destructive' : ''}"
+								style="left:{leftPct}%;width:{widthPct}%"
+							>
+								{#if is3h}
+									{pad(cell.date.getHours())}
+								{:else}
+									<span class="inline-flex items-baseline gap-1">
+										<span class="text-[11px] font-semibold">{pad(cell.date.getHours())}</span>
+										<sup
+											class="text-[9px] font-semibold text-muted-foreground leading-none align-baseline"
+											>00</sup
+										>
+									</span>
+								{/if}
+							</span>
+						{/each}
+					</td>
+				</tr>
+
+				<!-- Weather Icons -->
+				<tr>
+					{@render rowHeader('wi-day-cloudy')}
+					{#each cellData as cell, i (cell.idx)}
+						{@const wCode = hourly.weather_code[cell.idx]}
+						<td
+							class="cell leading-[0] {is3h ? 'px-1 py-2.5' : 'px-0.5 py-1.5'}"
+							class:now={cell.isNow}
+							class:icon-day={cell.isDaytime}
+							class:icon-night={!cell.isDaytime}
+							class:icon-dawn={!cell.isDaytime && cellData[i + 1]?.isDaytime}
+							class:icon-dusk={cell.isDaytime && cellData[i + 1] && !cellData[i + 1].isDaytime}
+						>
+							{@render weatherIcon(getWeatherIconName(wCode, cell.isDaytime), iconPx)}
+						</td>
+					{/each}
+				</tr>
+
+				<!-- Temperature -->
+				<tr>
+					{@render rowHeader('wi-thermometer', tempUnit)}
+					{#each cellData as cell (cell.idx)}
+						{@const temp = hourly.temperature_2m[cell.idx]}
+						{@const style = getTempStyle(temp, String(units.temperature_unit))}
+						<td
+							class="cell font-bold {is3h ? 'py-2.5 text-lg' : 'py-2 text-[15px]'}"
+							class:now={cell.isNow}
+							style="background-color:{style.bg};color:{style.fg}"
+						>
+							{formatTemp(temp)}
+						</td>
+					{/each}
+				</tr>
+
+				<!-- Feels Like -->
+				<tr>
+					{@render rowHeader(undefined, tempUnit, 'Feels')}
+					{#each cellData as cell (cell.idx)}
+						{@const temp = hourly.apparent_temperature[cell.idx]}
+						<td
+							class="cell text-muted-foreground {is3h ? 'py-1 text-[13px]' : 'py-0.5 text-[11px]'}"
+							class:now={cell.isNow}
+						>
+							{formatTemp(temp)}
+						</td>
+					{/each}
+				</tr>
+
+				<!-- Wind -->
+				<tr>
+					{@render rowHeader('wi-strong-wind', windUnit)}
+					{#each cellData as cell (cell.idx)}
+						{@const wind = hourly.windspeed_10m[cell.idx]}
+						{@const windDir = hourly.winddirection_10m[cell.idx]}
+						<td class="cell text-center align-middle leading-tight" class:now={cell.isNow}>
+							{#if windDir != null && !isNaN(windDir)}
+								<span
+									class="inline-block leading-[0]"
+									style="transform:{getWindArrowRotation(windDir)}"
+								>
+									{@render weatherIcon('wi-direction-down', 24)}
+								</span>
+							{/if}
+							<span class="block font-semibold {is3h ? 'mt-0.5 text-sm' : 'text-xs'}">
+								{formatValue(wind)}
+							</span>
+						</td>
+					{/each}
+				</tr>
+
+				<!-- Humidity -->
+				<tr>
+					{@render rowHeader('wi-humidity', '%')}
+					{#each cellData as cell (cell.idx)}
+						{@const hum = hourly.relative_humidity_2m[cell.idx]}
+						<td class="cell" class:now={cell.isNow} style="background:{getHumidityBg(hum ?? 0)}">
+							{formatValue(hum)}
+						</td>
+					{/each}
+				</tr>
+
+				<!-- Cloud Cover -->
+				<tr>
+					{@render rowHeader('wi-cloud', '%')}
+					{#each cellData as cell (cell.idx)}
+						{@const cloud = hourly.cloud_cover[cell.idx]}
+						<td
+							class="cell"
+							class:now={cell.isNow}
+							style="background:rgba(140,160,180,{getCloudOpacity(cloud ?? 0)})"
+						>
+							{formatValue(cloud)}
+						</td>
+					{/each}
+				</tr>
+
+				<!-- Precipitation -->
+				<tr>
+					{@render rowHeader('wi-raindrop', precipUnit)}
+					{#each cellData as cell (cell.idx)}
+						{@const precip = hourly.precipitation[cell.idx]}
+						{@const prob = hourly.precipitation_probability[cell.idx]}
+						<td
+							class="precip-cell {is3h ? 'h-14' : 'h-11'}"
+							class:now={cell.isNow}
+							style="background:{getPrecipProbBg(prob ?? 0)}"
+							title={formatPrecipTooltip(precip, prob)}
+						>
+							{#if precip > 0}
+								<div class="precip-bar" style="height:{getPrecipBarHeight(precip)}%"></div>
+								<span class="precip-label {is3h ? 'text-[13px]' : 'text-[10px]'}">
+									{precip.toFixed(1)}
+								</span>
+							{/if}
+						</td>
+					{/each}
+				</tr>
+			</tbody>
+		</table>
+	</div>
+{/if}
+
+<style>
+	tr {
+		border-top: 1px solid hsl(var(--border));
+	}
+
+	/* ── Base cell ──────────────────────────────────────────── */
+	.cell {
+		padding: 6px 2px;
+		text-align: center;
+		font-size: 13px;
+		font-weight: 500;
+		border-right: 1px solid hsl(var(--border) / 0.2);
+		overflow: hidden;
+	}
+
+	.cell:last-child {
+		border-right: none;
+	}
+
+	.cell.now {
+		font-weight: 700;
+		box-shadow: inset 0 0 0 2px hsl(var(--destructive) / 0.45);
+	}
+
+	/* ── Row header ─────────────────────────────────────────── */
+	.hdr {
+		padding: 4px;
+		text-align: center;
+		font-weight: 600;
+		font-size: 11px;
+		background: hsl(var(--background));
+		border-right: 2px solid hsl(var(--border));
+		white-space: nowrap;
+		overflow: hidden;
+	}
+
+	/* ── Precipitation ──────────────────────────────────────── */
+	.precip-cell {
+		position: relative;
+		padding: 0;
+		text-align: center;
+		overflow: hidden;
+		border-right: 1px solid hsl(var(--border) / 0.2);
+	}
+
+	.precip-cell:last-child {
+		border-right: none;
+	}
+
+	.precip-cell.now {
+		box-shadow: inset 0 0 0 2px hsl(var(--destructive) / 0.45);
+	}
+
+	.precip-bar {
+		position: absolute;
+		bottom: 0;
+		left: 15%;
+		right: 15%;
+		min-height: 3px;
+		border-radius: 2px 2px 0 0;
+		background: linear-gradient(to top, rgba(30, 120, 220, 0.5), rgba(30, 120, 220, 0.9));
+		pointer-events: none;
+	}
+
+	.precip-label {
+		position: relative;
+		z-index: 1;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		height: 100%;
+		font-weight: 700;
+		color: rgba(20, 60, 160, 0.9);
+		pointer-events: none;
+	}
+
+	:global(.dark) .precip-label {
+		color: rgba(120, 180, 255, 0.95);
+	}
+
+	/* ── Responsive ─────────────────────────────────────────── */
+	@media (max-width: 768px) {
+		.hdr {
+			padding: 3px 2px;
+			font-size: 10px;
+		}
+		.cell {
+			font-size: 11px;
+			padding: 4px 1px;
+		}
+	}
+</style>

src/routes/weather/week/[location]/MeteogramCharts.svelte

@@ -0,0 +1,593 @@
+<script lang="ts">
+	import { fade } from 'svelte/transition';
+
+	import * as echarts from 'echarts';
+
+	import { buildCurrentTimeSeries, buildDaylightSeries, getThemeColors } from '$lib/utils/echarts';
+	import { pad } from '$lib/utils/index';
+
+	import { ChartContainer, ChartToolbar, EChart } from '$lib/components/charts';
+	import '$lib/components/charts/echarts.css';
+
+	import { getColor } from '../../utils/colors';
+	import {
+		type FetchedHourly,
+		type WeatherUnits,
+		getDayLabel,
+		getPrecipUnit,
+		getTempUnit,
+		getWindDirectionLabel,
+		getWindUnit
+	} from './types';
+
+	interface Props {
+		data: FetchedHourly;
+		selectedDay: Date;
+		units: WeatherUnits;
+		loading: boolean;
+		onResetZoom?: () => void;
+	}
+
+	let { data, selectedDay, units, loading, onResetZoom }: Props = $props();
+
+	const CHART_GROUP = 'week-meteogram';
+	const MS_PER_DAY = 24 * 3600 * 1000;
+	const today = new Date();
+
+	let showCharts = $state(false);
+	let chartComponents: EChart[] = $state([]);
+	let chartInstances: echarts.ECharts[] = $state([]);
+	let chartOptions: Array<Record<string, unknown>> = $state([]);
+
+	export function scrollToDay(day: Date): void {
+		if (chartInstances.length === 0) return;
+
+		const dayStart = new Date(day.getFullYear(), day.getMonth(), day.getDate()).getTime();
+		const dayEnd = dayStart + MS_PER_DAY;
+		const timestamps = data.timestamps;
+		const rangeStart = timestamps[0];
+		const rangeEnd = timestamps[timestamps.length - 1];
+		const totalRange = rangeEnd - rangeStart;
+
+		if (totalRange <= 0) return;
+
+		const startPct = Math.max(0, ((dayStart - rangeStart) / totalRange) * 100);
+		const endPct = Math.min(100, ((dayEnd - rangeStart) / totalRange) * 100);
+
+		for (const chart of chartInstances) {
+			if (chart && !chart.isDisposed()) {
+				chart.dispatchAction({ type: 'dataZoom', start: startPct, end: endPct });
+			}
+		}
+	}
+
+	function resetZoom(): void {
+		for (const chart of chartInstances) {
+			if (chart && !chart.isDisposed()) {
+				chart.dispatchAction({ type: 'dataZoom', start: 0, end: 100 });
+			}
+		}
+		onResetZoom?.();
+	}
+
+	function handleChartReady(chart: echarts.ECharts): void {
+		chart.group = CHART_GROUP;
+		chartInstances = [...chartInstances, chart];
+		if (chartInstances.length === 3) {
+			echarts.connect(CHART_GROUP);
+			requestAnimationFrame(() => scrollToDay(selectedDay));
+		}
+	}
+
+	$effect(() => {
+		// Reset chart instances when data changes
+		if (data) {
+			chartInstances = [];
+			chartComponents = [];
+		}
+	});
+
+	$effect(() => {
+		if (!data) return;
+
+		const { hourly, utc_offset_seconds, timestamps, markAreas } = data;
+		const colors = getThemeColors();
+		const tempUnit = getTempUnit(units);
+		const precipUnit = getPrecipUnit(units);
+		const windUnit = getWindUnit(units);
+
+		const temps = hourly.temperature_2m;
+		const precip = hourly.precipitation;
+		const precipProb = hourly.precipitation_probability;
+		const cloudCov = hourly.cloud_cover;
+		const windSpeed = hourly.windspeed_10m;
+		const humidity = hourly.relative_humidity_2m;
+
+		const validTemps = temps.filter((t: number) => t !== null && !isNaN(t));
+		const minTemp = Math.min(...validTemps);
+		const maxTemp = Math.max(...validTemps);
+
+		const tempData = temps.map((v: number, i: number) => [timestamps[i], v]);
+		const cloudData = cloudCov.map((v: number, i: number) => [timestamps[i], v]);
+		const precipData = precip.map((v: number, i: number) => [timestamps[i], v]);
+		const precipProbData = precipProb.map((v: number, i: number) => [timestamps[i], v]);
+		const windData = windSpeed.map((v: number, i: number) => [timestamps[i], v]);
+		const humidityData = humidity.map((v: number, i: number) => [timestamps[i], v]);
+
+		const annotations = (): Array<Record<string, unknown>> => {
+			const series: Array<Record<string, unknown>> = [];
+			series.push(buildCurrentTimeSeries({ utcOffsetSeconds: utc_offset_seconds }));
+			const dl = buildDaylightSeries({ markAreas });
+			if (dl) series.push(dl);
+			return series;
+		};
+
+		const timeXAxis = (showLabel: boolean): Record<string, unknown> => ({
+			type: 'time',
+			splitLine: { show: false },
+			axisLine: { lineStyle: { color: colors.axisLine } },
+			axisLabel: { color: colors.text, hideOverlap: true, show: showLabel },
+			axisTick: { lineStyle: { color: colors.axisLine } }
+		});
+
+		const insideZoom = (): Record<string, unknown> => ({
+			type: 'inside',
+			xAxisIndex: 0,
+			filterMode: 'none',
+			zoomOnMouseWheel: true,
+			moveOnMouseMove: true,
+			moveOnMouseWheel: false
+		});
+
+		const sliderZoom = (): Record<string, unknown> => ({
+			type: 'slider',
+			xAxisIndex: 0,
+			filterMode: 'none',
+			height: 20,
+			bottom: 4,
+			borderColor: colors.axisLine,
+			fillerColor: 'rgba(100, 140, 200, 0.2)',
+			handleStyle: { color: colors.text },
+			textStyle: { color: colors.text, fontSize: 10 },
+			dataBackground: {
+				lineStyle: { color: colors.axisLine },
+				areaStyle: { color: colors.splitLine }
+			},
+			selectedDataBackground: {
+				lineStyle: { color: colors.axisLine },
+				areaStyle: { color: 'rgba(100, 140, 200, 0.15)' }
+			}
+		});
+
+		const tooltipBase = (
+			formatter: (params: Record<string, unknown>[]) => string
+		): Record<string, unknown> => ({
+			trigger: 'axis',
+			axisPointer: {
+				type: 'cross',
+				animation: false,
+				label: {
+					backgroundColor: colors.tooltipBg,
+					color: colors.text,
+					borderColor: colors.tooltipBorder,
+					borderWidth: 1
+				}
+			},
+			backgroundColor: colors.tooltipBg,
+			borderColor: colors.tooltipBorder,
+			textStyle: { color: colors.text },
+			formatter
+		});
+
+		const formatDate = (ts: number): string => {
+			const date = new Date(ts);
+			return `<b>${date.toLocaleDateString('en-GB', { weekday: 'short', day: 'numeric', month: 'short' })} ${pad(date.getHours())}:${pad(date.getMinutes())}</b><br/>`;
+		};
+
+		const isAnnotation = (name: string): boolean => name === 'Daylight' || name === 'Current Time';
+
+		const tempOption: Record<string, unknown> = {
+			title: {
+				text: 'Temperature & Cloud Cover',
+				left: 'left',
+				textStyle: { fontWeight: 'normal', fontSize: 16, color: colors.text }
+			},
+			tooltip: tooltipBase((params) => {
+				if (!params?.length) return '';
+				let html = formatDate(params[0].axisValue as number);
+				for (const item of params) {
+					const name = item.seriesName as string;
+					if (isAnnotation(name)) continue;
+					const val = (item.value as [number, number])?.[1];
+					if (val == null) continue;
+					if (name === 'Temperature')
+						html += `${item.marker} ${name}: <b>${val.toFixed(1)} ${tempUnit}</b><br/>`;
+					else if (name === 'Cloud Cover')
+						html += `${item.marker} ${name}: <b>${val.toFixed(0)}%</b><br/>`;
+				}
+				return html;
+			}),
+			legend: {
+				show: true,
+				bottom: 0,
+				textStyle: { color: colors.text },
+				data: ['Temperature', 'Cloud Cover']
+			},
+			grid: { left: 60, right: 60, top: 50, bottom: 40 },
+			dataZoom: [insideZoom()],
+			xAxis: timeXAxis(false),
+			yAxis: [
+				{
+					type: 'value',
+					name: tempUnit,
+					nameTextStyle: { color: colors.text },
+					axisLine: { show: false },
+					axisLabel: { color: colors.text },
+					splitLine: { lineStyle: { color: colors.splitLine } }
+				},
+				{ type: 'value', min: 0, max: 250, inverse: true, show: false }
+			],
+			series: [
+				{
+					name: 'Temperature',
+					type: 'line',
+					data: tempData,
+					smooth: true,
+					showSymbol: false,
+					lineStyle: { width: 3, color: '#ef6c00' },
+					itemStyle: { color: '#ef6c00' },
+					areaStyle: {
+						color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
+							{
+								offset: 0,
+								color: getColor(maxTemp, String(units.temperature_unit)) + '88'
+							},
+							{
+								offset: 0.5,
+								color: getColor((maxTemp + minTemp) / 2, String(units.temperature_unit)) + '44'
+							},
+							{
+								offset: 1,
+								color: getColor(minTemp, String(units.temperature_unit)) + '08'
+							}
+						])
+					},
+					z: 5
+				},
+				{
+					name: 'Cloud Cover',
+					type: 'line',
+					data: cloudData,
+					smooth: true,
+					showSymbol: false,
+					yAxisIndex: 1,
+					lineStyle: { width: 0 },
+					itemStyle: { color: colors.text },
+					areaStyle: { color: 'rgba(150, 150, 150, 0.25)', origin: 'start' },
+					z: 1,
+					silent: true
+				},
+				...annotations()
+			],
+			textStyle: { color: colors.text }
+		};
+
+		const precipOption: Record<string, unknown> = {
+			title: {
+				text: 'Precipitation & Probability',
+				left: 'left',
+				textStyle: { fontWeight: 'normal', fontSize: 16, color: colors.text }
+			},
+			tooltip: tooltipBase((params) => {
+				if (!params?.length) return '';
+				let html = formatDate(params[0].axisValue as number);
+				for (const item of params) {
+					const name = item.seriesName as string;
+					if (isAnnotation(name)) continue;
+					const val = (item.value as [number, number])?.[1];
+					if (val == null) continue;
+					if (name === 'Precipitation')
+						html += `${item.marker} ${name}: <b>${val.toFixed(1)} ${precipUnit}</b><br/>`;
+					else if (name === 'Precip. Probability')
+						html += `${item.marker} ${name}: <b>${val.toFixed(0)}%</b><br/>`;
+				}
+				return html;
+			}),
+			legend: {
+				show: true,
+				bottom: 0,
+				textStyle: { color: colors.text },
+				data: ['Precipitation', 'Precip. Probability']
+			},
+			grid: { left: 60, right: 60, top: 50, bottom: 40 },
+			dataZoom: [insideZoom()],
+			xAxis: timeXAxis(false),
+			yAxis: [
+				{
+					type: 'value',
+					name: precipUnit,
+					min: 0,
+					nameTextStyle: { color: colors.text },
+					axisLine: { show: false },
+					axisLabel: { color: colors.text },
+					splitLine: { lineStyle: { color: colors.splitLine } }
+				},
+				{
+					type: 'value',
+					name: '%',
+					min: 0,
+					max: 100,
+					nameTextStyle: { color: colors.text },
+					axisLine: { show: false },
+					axisLabel: { color: colors.text },
+					splitLine: { show: false }
+				}
+			],
+			series: [
+				{
+					name: 'Precipitation',
+					type: 'bar',
+					data: precipData,
+					barMaxWidth: 8,
+					itemStyle: {
+						color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
+							{ offset: 0, color: 'rgba(30, 136, 229, 0.9)' },
+							{ offset: 1, color: 'rgba(30, 136, 229, 0.4)' }
+						])
+					},
+					yAxisIndex: 0,
+					z: 5
+				},
+				{
+					name: 'Precip. Probability',
+					type: 'line',
+					data: precipProbData,
+					smooth: true,
+					showSymbol: false,
+					lineStyle: { width: 2, type: 'dashed', color: '#5c6bc0' },
+					itemStyle: { color: '#5c6bc0' },
+					yAxisIndex: 1,
+					z: 4
+				},
+				...annotations()
+			],
+			textStyle: { color: colors.text }
+		};
+
+		const windOption: Record<string, unknown> = {
+			title: {
+				text: 'Wind Speed & Humidity',
+				left: 'left',
+				textStyle: { fontWeight: 'normal', fontSize: 16, color: colors.text }
+			},
+			tooltip: tooltipBase((params) => {
+				if (!params?.length) return '';
+				let html = formatDate(params[0].axisValue as number);
+				for (const item of params) {
+					const name = item.seriesName as string;
+					if (isAnnotation(name)) continue;
+					const val = (item.value as [number, number])?.[1];
+					if (val == null) continue;
+					if (name === 'Wind Speed') {
+						const idx = timestamps.indexOf(
+							(params[0] as Record<string, unknown>).axisValue as number
+						);
+						const windDir = idx >= 0 ? hourly.winddirection_10m[idx] : null;
+						html += `${item.marker} ${name}: <b>${val.toFixed(0)} ${windUnit}</b>`;
+						if (windDir != null && !isNaN(windDir)) html += ` (${getWindDirectionLabel(windDir)})`;
+						html += '<br/>';
+					} else if (name === 'Humidity') {
+						html += `${item.marker} ${name}: <b>${val.toFixed(0)}%</b><br/>`;
+					}
+				}
+				return html;
+			}),
+			legend: {
+				show: true,
+				bottom: 28,
+				textStyle: { color: colors.text },
+				data: ['Wind Speed', 'Humidity']
+			},
+			grid: { left: 60, right: 60, top: 50, bottom: 60 },
+			dataZoom: [insideZoom(), sliderZoom()],
+			xAxis: timeXAxis(true),
+			yAxis: [
+				{
+					type: 'value',
+					name: windUnit,
+					min: 0,
+					nameTextStyle: { color: colors.text },
+					axisLine: { show: false },
+					axisLabel: { color: colors.text },
+					splitLine: { lineStyle: { color: colors.splitLine } }
+				},
+				{
+					type: 'value',
+					name: '%',
+					min: 0,
+					max: 100,
+					nameTextStyle: { color: colors.text },
+					axisLine: { show: false },
+					axisLabel: { color: colors.text },
+					splitLine: { show: false }
+				}
+			],
+			series: [
+				{
+					name: 'Wind Speed',
+					type: 'line',
+					data: windData,
+					smooth: true,
+					showSymbol: false,
+					lineStyle: { width: 2, color: '#26a69a' },
+					itemStyle: { color: '#26a69a' },
+					areaStyle: {
+						color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
+							{ offset: 0, color: 'rgba(38, 166, 154, 0.25)' },
+							{ offset: 1, color: 'rgba(38, 166, 154, 0.02)' }
+						])
+					},
+					yAxisIndex: 0,
+					z: 5
+				},
+				{
+					name: 'Humidity',
+					type: 'line',
+					data: humidityData,
+					smooth: true,
+					showSymbol: false,
+					lineStyle: { width: 2, type: 'dotted', color: '#8d6e63' },
+					itemStyle: { color: '#8d6e63' },
+					yAxisIndex: 1,
+					z: 4
+				},
+				...annotations()
+			],
+			graphic: [
+				{
+					type: 'text',
+					right: 10,
+					bottom: 30,
+					style: {
+						text: 'Open-Meteo.com',
+						fontSize: 10,
+						fill: colors.text,
+						opacity: 0.4
+					},
+					cursor: 'pointer'
+				}
+			],
+			textStyle: { color: colors.text }
+		};
+
+		chartOptions = [tempOption, precipOption, windOption];
+	});
+</script>
+
+<div class="charts-toggle-section">
+	<button class="charts-toggle-btn" onclick={() => (showCharts = !showCharts)}>
+		<span>Detailed Meteogram Charts</span>
+		<svg
+			class="toggle-chevron {showCharts ? 'open' : ''}"
+			xmlns="http://www.w3.org/2000/svg"
+			width="18"
+			height="18"
+			viewBox="0 0 24 24"
+			fill="none"
+			stroke="currentColor"
+			stroke-width="2"
+			stroke-linecap="round"
+			stroke-linejoin="round"
+		>
+			<polyline points="6 9 12 15 18 9" />
+		</svg>
+	</button>
+</div>
+
+{#if showCharts}
+	<div class="detailed-charts" in:fade={{ duration: 200 }}>
+		<div class="charts-header">
+			<h3 class="charts-title">
+				{selectedDay.toLocaleDateString('en-GB', { weekday: 'long' })}
+				<small>
+					{getDayLabel(selectedDay, today) !==
+					selectedDay.toLocaleDateString('en-GB', { weekday: 'long' })
+						? ` (${getDayLabel(selectedDay, today)})`
+						: ''}
+				</small>
+			</h3>
+			<button type="button" class="zoom-reset-btn" title="Show all days (Esc)" onclick={resetZoom}>
+				Show All
+			</button>
+		</div>
+
+		<ChartContainer {loading} chartCount={3} chartHeight={300}>
+			{#each chartOptions as option, i (i)}
+				<EChart
+					{option}
+					height={i === 2 ? '320px' : '300px'}
+					onChartReady={handleChartReady}
+					bind:this={chartComponents[i]}
+				/>
+			{/each}
+		</ChartContainer>
+
+		<div class="mt-6 md:mt-10">
+			<ChartToolbar charts={chartInstances} fileName="week-forecast" />
+		</div>
+	</div>
+{/if}
+
+<style>
+	.charts-toggle-section {
+		margin-top: 1.5rem;
+		margin-bottom: 0.5rem;
+	}
+
+	.charts-toggle-btn {
+		display: inline-flex;
+		align-items: center;
+		gap: 6px;
+		padding: 0.5rem 1rem;
+		font-size: 0.875rem;
+		font-weight: 600;
+		color: hsl(var(--muted-foreground));
+		background: hsl(var(--muted) / 0.5);
+		border: 1px solid hsl(var(--border));
+		border-radius: var(--radius, 0.375rem);
+		cursor: pointer;
+		transition: all 150ms ease;
+	}
+
+	.charts-toggle-btn:hover {
+		color: hsl(var(--foreground));
+		background: hsl(var(--muted));
+	}
+
+	.toggle-chevron {
+		transition: transform 200ms;
+	}
+
+	.toggle-chevron.open {
+		transform: rotate(180deg);
+	}
+
+	.detailed-charts {
+		margin-top: 0.5rem;
+	}
+
+	.charts-header {
+		display: flex;
+		align-items: center;
+		gap: 0.75rem;
+		margin-bottom: 0.5rem;
+	}
+
+	.charts-title {
+		font-size: 1.25rem;
+		font-weight: 700;
+	}
+
+	.zoom-reset-btn {
+		display: inline-flex;
+		align-items: center;
+		padding: 0.25rem 0.625rem;
+		font-size: 0.75rem;
+		font-weight: 500;
+		color: hsl(var(--muted-foreground));
+		background: hsl(var(--muted) / 0.5);
+		border: 1px solid hsl(var(--border));
+		border-radius: var(--radius, 0.375rem);
+		cursor: pointer;
+		transition:
+			color 150ms ease,
+			background-color 150ms ease;
+		white-space: nowrap;
+		user-select: none;
+	}
+
+	.zoom-reset-btn:hover {
+		color: hsl(var(--foreground));
+		background: hsl(var(--muted));
+	}
+</style>

src/routes/weather/week/[location]/ModelSelector.svelte

@@ -0,0 +1,45 @@
+<script lang="ts">
+	import { Label } from '$lib/components/ui/label';
+	import * as Select from '$lib/components/ui/select';
+
+	import { models } from '../../options';
+
+	interface Props {
+		selectedModel: string;
+		onModelChange: (model: string) => void;
+	}
+
+	let { selectedModel, onModelChange }: Props = $props();
+
+	let modelLabel = $derived(
+		models.find((mo) => String(mo.value) === selectedModel)?.label ?? selectedModel
+	);
+</script>
+
+<div class="mt-6 flex gap-6 md:mt-12">
+	<div class="relative w-1/2">
+		<Select.Root
+			name="model_selection"
+			type="single"
+			value={selectedModel}
+			onValueChange={(val) => {
+				if (val) onModelChange(val);
+			}}
+		>
+			<Select.Trigger
+				aria-label="Forecast model selection"
+				class="h-12 cursor-pointer pt-6 [&_svg]:mb-3"
+			>
+				{modelLabel}
+			</Select.Trigger>
+			<Select.Content preventScroll={false} class="border-border">
+				{#each models as mo (mo.value)}
+					<Select.Item class="cursor-pointer" value={mo.value}>{mo.label}</Select.Item>
+				{/each}
+			</Select.Content>
+			<Label class="absolute top-[0.35rem] left-2 z-10 px-1 text-xs text-muted-foreground">
+				Weather model
+			</Label>
+		</Select.Root>
+	</div>
+</div>

src/routes/weather/week/[location]/SunInfo.svelte

@@ -0,0 +1,57 @@
+<script lang="ts">
+	import { pad } from '$lib/utils/index';
+
+	import type { FetchedDaily } from './types';
+
+	interface Props {
+		daily: FetchedDaily | null;
+		dayIndex: number;
+	}
+
+	let { daily, dayIndex }: Props = $props();
+
+	let sunrise = $derived.by(() => {
+		if (!daily) return null;
+		const ts = daily.daily.sunrise[dayIndex];
+		return ts ? new Date(ts * 1000) : null;
+	});
+
+	let sunset = $derived.by(() => {
+		if (!daily) return null;
+		const ts = daily.daily.sunset[dayIndex];
+		return ts ? new Date(ts * 1000) : null;
+	});
+</script>
+
+{#if sunrise && sunset}
+	<div class="sun-info">
+		<div class="sun-item">
+			<svg class="fill-foreground" width="24px" height="24px">
+				<use class="stroke-2" xlink:href="/images/weather-icons/wi-sunrise.svg#Layer_1"></use>
+			</svg>
+			<span>{pad(sunrise.getHours())}:{pad(sunrise.getMinutes())}</span>
+		</div>
+		<div class="sun-item">
+			<svg class="fill-foreground" width="24px" height="24px">
+				<use class="stroke-2" xlink:href="/images/weather-icons/wi-sunset.svg#Layer_1"></use>
+			</svg>
+			<span>{pad(sunset.getHours())}:{pad(sunset.getMinutes())}</span>
+		</div>
+	</div>
+{/if}
+
+<style>
+	.sun-info {
+		display: flex;
+		gap: 1.5rem;
+		margin-top: 1rem;
+		flex-wrap: wrap;
+	}
+
+	.sun-item {
+		display: flex;
+		align-items: center;
+		gap: 4px;
+		font-size: 14px;
+	}
+</style>

src/routes/weather/week/[location]/types.ts

@@ -0,0 +1,80 @@
+import type { MarkArea, WeekDailyData, WeekHourlyData } from '$lib/services/weather';
+
+export interface WeatherUnits {
+	temperature_unit: string;
+	wind_speed_unit: string;
+	precipitation_unit: string;
+}
+
+export interface FetchedHourly {
+	hourly: WeekHourlyData;
+	utc_offset_seconds: number;
+	timestamps: number[];
+	hourlyDates: Date[];
+	markAreas: MarkArea[];
+}
+
+export interface FetchedDaily {
+	daily: WeekDailyData;
+	dailyDates: Date[];
+}
+
+export const getTempUnit = (units: WeatherUnits): '°C' | '°F' => {
+	return units.temperature_unit === 'celsius' ? '°C' : '°F';
+};
+
+export const getWindUnit = (units: WeatherUnits): string => {
+	return units.wind_speed_unit === 'kmh' ? 'km/h' : units.wind_speed_unit;
+};
+
+export const getPrecipUnit = (units: WeatherUnits): 'mm' | 'in' => {
+	return units.precipitation_unit === 'mm' ? 'mm' : 'in';
+};
+
+export const getWindArrowRotation = (deg: number): string => {
+	return `rotate(${deg}deg)`;
+};
+
+export const getWindDirectionLabel = (deg: number): string => {
+	const dirs = [
+		'N',
+		'NNE',
+		'NE',
+		'ENE',
+		'E',
+		'ESE',
+		'SE',
+		'SSE',
+		'S',
+		'SSW',
+		'SW',
+		'WSW',
+		'W',
+		'WNW',
+		'NW',
+		'NNW'
+	];
+	return dirs[Math.round(deg / 22.5) % 16];
+};
+
+export const getDayLabel = (date: Date, today: Date): string => {
+	const MS_PER_DAY = 24 * 3600 * 1000;
+	const diff = Math.round(
+		(new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() -
+			new Date(today.getFullYear(), today.getMonth(), today.getDate()).getTime()) /
+			MS_PER_DAY
+	);
+	if (diff === 0) return 'Today';
+	if (diff === 1) return 'Tomorrow';
+	if (diff === -1) return 'Yesterday';
+	return `${date.getMonth() + 1}-${date.getDate()}`;
+};
+
+export const isCurrentHour = (date: Date, now: Date): boolean => {
+	return (
+		date.getDate() === now.getDate() &&
+		date.getMonth() === now.getMonth() &&
+		date.getFullYear() === now.getFullYear() &&
+		date.getHours() === now.getHours()
+	);
+};