import 'dart:io';

import 'package:test/test.dart';
import 'package:yaml/yaml.dart';

/// The Jellyfin sidecar (decided 2026-10-14), which halkyon.li runs with the
/// library already on its host (ADR 0039, D15), in place of ADR 0032's home
/// end, which goes with it.
void main() {
  YamlMap services(String path) =>
      (loadYaml(File(path).readAsStringSync()) as YamlMap)['services']
          as YamlMap;

  group('its server', () {
    final jellyfin =
        services('deploy/compose.jellyfin.yaml')['jellyfin'] as YamlMap;

    test('reads the library read-only, from the host folder .env names or '
        'its own', () {
      expect(
        jellyfin['volumes'],
        contains(r'${JELLYFIN_MEDIA:-./jellyfin/media}:/media:ro'),
      );
    });

    test('runs as its own user ID, on edge alone, publishing no port', () {
      expect(jellyfin['user'], '61096:61096');
      expect((jellyfin['networks'] as YamlMap).keys, ['edge']);
      expect(jellyfin['ports'], isNull);
    });

    test('names its public address, never a home one', () {
      expect(
        (jellyfin['environment'] as YamlMap)['JELLYFIN_PublishedServerUrl'],
        r'https://${JELLYFIN_DOMAIN:?set JELLYFIN_DOMAIN in deploy/.env}',
      );
    });
  });

  group('its site', () {
    final site = File('deploy/sidecars/jellyfin.caddy').readAsStringSync();

    test('refuses changes to users and the setup wizard from outside', () {
      expect(site, contains('respond @userChanges 403'));
      expect(site, contains('respond /Startup/* 403'));
    });

    test('proxies to the sidecar alone', () {
      expect(site, contains('reverse_proxy jellyfin:8096'));
      expect(site, isNot(contains('JELLYFIN_UPSTREAM')));
    });
  });

  test("ADR 0032's home end is gone, its tunnel with it", () {
    expect(File('deploy/compose.jellyfin-home.yaml').existsSync(), isFalse);
    expect(File('deploy/home-jellyfin/compose.yaml').existsSync(), isFalse);
    expect(Directory('deploy/home-jellyfin/server').existsSync(), isFalse);
  });
}