import * as asserts from '@std/assert';
import { EPHEMERAL_SERVER, get_ephemeral_listen_server } from './helpers.ts';
import * as path from '@std/path';

Deno.test({
	name: 'override the default handlers',
	permissions: {
		env: true,
		read: true,
		write: true,
		net: true
	},
	fn: async () => {
		let test_server_info: EPHEMERAL_SERVER | null = null;
		const cwd = Deno.cwd();
		const old_handlers: string | undefined = Deno.env.get('SERVERUS_HANDLERS');

		try {
			Deno.chdir('./tests/www');
			Deno.env.set(
				'SERVERUS_HANDLERS',
				`${path.join(path.dirname(path.resolve(path.fromFileUrl(import.meta.url))), 'handlers')}${
					old_handlers ? (';' + old_handlers) : ''
				}`
			);
			test_server_info = await get_ephemeral_listen_server();

			const response = await fetch(`http://${test_server_info.hostname}:${test_server_info.port}/echo/hello_world.foo`, {
				method: 'GET'
			});

			const body = await response.text();

			asserts.assert(response.ok);
			asserts.assert(body);
			asserts.assertEquals(body, 'foo');
		} finally {
			Deno.chdir(cwd);
			Deno.env.delete('SERVERUS_HANDLERS');
			if (old_handlers) {
				Deno.env.set('SERVERUS_HANDLERS', old_handlers);
			}
			if (test_server_info) {
				await test_server_info?.server?.stop();
			}
		}
	}
});