import { error, redirect } from '@sveltejs/kit';
import { createApiClient } from '$lib/api.server';
import { getErrorMessage } from '$lib/errors';
import type { PageServerLoad, Actions } from './$types';

export const load: PageServerLoad = async ({ fetch, url }) => {
	const api = createApiClient(fetch);

	const type = url.searchParams.get('type') ?? undefined;
	const readParam = url.searchParams.get('read');
	const read = readParam !== null ? readParam === 'true' : undefined;

	const result = await api.GET('/api/notifications', {
		params: { query: { type: type as 'MENTION' | 'REPLY' | undefined, read, page: 0, size: 20 } }
	});

	if (!result.response.ok) {
		const code = (result.error as unknown as { code?: string })?.code;
		throw error(result.response.status, getErrorMessage(code));
	}

	const page = result.data!;
	const notifications = page.content ?? [];
	const unreadCount = notifications.filter((n) => !n.read).length;

	return { notifications, unreadCount, totalPages: page.totalPages ?? 1 };
};

export const actions: Actions = {
	'mark-all': async ({ fetch }) => {
		const api = createApiClient(fetch);
		await api.POST('/api/notifications/read-all');
		redirect(303, '/notifications');
	}
};