import { error } from '@sveltejs/kit';
import { ObjectId } from 'mongodb';
import { currencyImageSrc } from '#lib/currency.js';
import { getDb } from '#lib/server/mongo.js';

export const prerender = false;

export async function load({ params }) {
	if (params.side !== 'front' && params.side !== 'back') error(404, 'Photo not found');
	if (!ObjectId.isValid(params.id)) error(404, 'Currency not found');

	const db = await getDb();
	const doc = await db.collection('currencies').findOne({
		_id: new ObjectId(params.id),
		location: params.location
	});

	if (!doc) error(404, 'Currency not found');

	const src =
		params.side === 'front' ? currencyImageSrc(doc.frontImage) : currencyImageSrc(doc.backImage);
	if (!src) error(404, 'Photo not found');

	return {
		id: String(doc._id),
		location: doc.location ?? params.location,
		name: doc.name ?? '',
		side: params.side,
		src
	};
}