import { error } from '@sveltejs/kit';
import type { RequestHandler } from './$types';
import { env } from '$env/dynamic/public';

const GET_IMAGE = env.PUBLIC_GET_IMAGE;

// Server-side fetch of a banner image so the browser can read its bytes
// (to push to the machine via ADB) without hitting CORS on the image server.
export const GET: RequestHandler = async ({ url }) => {
	const path = url.searchParams.get('path');
	if (!path) throw error(400, 'Missing path');

	const target = `${GET_IMAGE}/${path}`;
	const res = await fetch(target);
	if (!res.ok) throw error(res.status, 'Banner fetch failed');

	const buf = await res.arrayBuffer();
	return new Response(buf, {
		headers: {
			'content-type': res.headers.get('content-type') || 'application/octet-stream',
			'cache-control': 'no-store'
		}
	});
};