import { error, redirect } from '@sveltejs/kit';
import { deleteSegment, getSegment, segmentLeaderboard } from '$lib/server/db';
import type { Actions, PageServerLoad } from './$types';
import type { TrackPt } from '$lib/server/segments';

export const load: PageServerLoad = ({ params, locals }) => {
	const segment = getSegment(Number(params.id));
	if (!segment) error(404, 'Segment not found');

	const points = JSON.parse(segment.points) as TrackPt[];
	return {
		segment: { ...segment, points: undefined },
		latlngs: points.map((p) => [p.lat, p.lon] as [number, number]),
		leaderboard: segmentLeaderboard(segment.id),
		myUserId: locals.user?.id ?? null,
		canDelete:
			!!locals.user && (segment.creator_id === locals.user.id || segment.creator_id === null)
	};
};

export const actions: Actions = {
	delete: async ({ params, locals }) => {
		if (!locals.user) error(401, 'Not signed in');
		deleteSegment(Number(params.id), locals.user.id);
		redirect(303, '/segments');
	}
};