import 'dart:io';

import 'package:flame_lua_runtime/runtime/packages/game_package.dart';
import 'package:flame_lua_runtime/runtime/packages/game_package_manifest.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('GamePackage', () {
    test('resolves manifest resource keys', () {
      final package = _package();

      expect(
        package.resolveResourcePath('board'),
        'example/assets/games/ludo/assets/board.png',
      );
    });

    test('resolves package-relative paths and assetsBase fallback', () {
      final package = _package();

      expect(
        package.resolveResourcePath('scripts/main.lua'),
        'example/assets/games/ludo/scripts/main.lua',
      );
      expect(
        package.resolveResourcePath('unknown.png'),
        'example/assets/games/ludo/assets/unknown.png',
      );
      expect(
        package.resolveResourcePath(
          'example/assets/games/ludo/assets/board.png',
        ),
        'example/assets/games/ludo/assets/board.png',
      );
    });

    test('keeps runtime Lua root configurable per package', () {
      final package = GamePackage.asset(
        rootPath: 'example/assets/games/ludo',
        manifest: _manifest(),
        runtimeLuaRoot: 'packages/flame_lua_runtime/assets/runtime/lua',
      );

      expect(
        package.runtimeLuaRoot,
        'packages/flame_lua_runtime/assets/runtime/lua',
      );
    });

    test('reads file package text and bytes', () async {
      final root = await Directory.systemTemp.createTemp('game_package_test_');
      addTearDown(() => root.deleteSync(recursive: true));
      Directory('${root.path}/scripts').createSync(recursive: true);
      File('${root.path}/scripts/main.lua').writeAsStringSync('return true');

      final package = GamePackage.file(
        rootPath: root.path,
        manifest: _manifest(),
      );

      expect(await package.readText('scripts/main.lua'), 'return true');
      expect((await package.readBytes('scripts/main.lua')).lengthInBytes, 11);
    });
  });
}

GamePackage _package() {
  return GamePackage.asset(
    rootPath: 'example/assets/games/ludo',
    manifest: _manifest(),
  );
}

GamePackageManifest _manifest() {
  return const GamePackageManifest(
    gameId: 'ludo',
    name: 'Ludo',
    version: '0.1.0',
    runtimeApiVersion: 1,
    entry: 'scripts/main.lua',
    assetsBase: 'assets',
    resources: {'board': GameResource(type: 'image', path: 'assets/board.png')},
  );
}