import { json } from '@sveltejs/kit';
import type { RequestHandler } from './$types';
import { requireAdmin } from '$lib/server/admin/auth.js';
import * as data from '$lib/server/admin/data.js';

export const GET: RequestHandler = async (event) => {
	requireAdmin((await event.locals.auth())?.user);
	const q = event.url.searchParams.get('q') ?? undefined;
	return json(data.listAirlines(q));
};

export const POST: RequestHandler = async (event) => {
	requireAdmin((await event.locals.auth())?.user);
	const body = await event.request.json();
	const { name, country, country_code, iata_code, icao_code } = body as {
		name?: string;
		country?: string | null;
		country_code?: string | null;
		iata_code?: string | null;
		icao_code?: string | null;
	};
	if (!name?.trim()) return json({ error: 'name required' }, { status: 400 });
	return json(
		data.createAirline(
			name,
			country ?? null,
			country_code ?? null,
			iata_code ?? null,
			icao_code ?? null
		)
	);
};

export const PATCH: RequestHandler = async (event) => {
	requireAdmin((await event.locals.auth())?.user);
	const body = await event.request.json();
	const { id, name, country, country_code, iata_code, icao_code } = body as {
		id?: number;
		name?: string;
		country?: string | null;
		country_code?: string | null;
		iata_code?: string | null;
		icao_code?: string | null;
	};
	if (id == null || !name?.trim()) return json({ error: 'id and name required' }, { status: 400 });
	data.updateAirline(
		id,
		name,
		country ?? null,
		country_code ?? null,
		iata_code ?? null,
		icao_code ?? null
	);
	return json({ ok: true });
};

export const DELETE: RequestHandler = async (event) => {
	requireAdmin((await event.locals.auth())?.user);
	const id = parseInt(event.url.searchParams.get('id') ?? '');
	if (isNaN(id)) return json({ error: 'id required' }, { status: 400 });
	data.deleteAirline(id);
	return json({ ok: true });
};