import 'package:block_seasons/game/models/season.dart';
import 'package:flutter_test/flutter_test.dart';

const packJson = {
  'schemaVersion': 1,
  'seasonId': 'season_001',
  'version': 2,
  'title': {'en': 'First Bloom', 'ko': '첫 개화'},
  'theme': {'tileSet': 'spring', 'background': 'background.webp'},
  'stages': [
    {
      'id': 's001_001',
      'seed': 101,
      'moveLimit': 18,
      'preset': [
        {'x': 3, 'y': 3, 't': 'gem'},
      ],
      'objectives': [
        {'type': 'clearGems', 'count': 1},
      ],
      'stars': {
        'two': {'movesLeft': 4},
        'three': {'movesLeft': 8},
      },
      'generatorProfile': 'easy',
    },
  ],
};

void main() {
  group('SeasonPack', () {
    test('parses the pack schema', () {
      final pack = SeasonPack.fromJson(packJson);
      expect(pack.schemaVersion, 1);
      expect(pack.seasonId, 'season_001');
      expect(pack.version, 2);
      expect(pack.theme.tileSet, 'spring');
      expect(pack.stages, hasLength(1));
      expect(pack.stages.first.id, 's001_001');
    });

    test('round-trips to JSON', () {
      final pack = SeasonPack.fromJson(packJson);
      expect(pack.toJson(), packJson);
    });

    test('localized title falls back to English', () {
      final pack = SeasonPack.fromJson(packJson);
      expect(pack.titleFor('ko'), '첫 개화');
      expect(pack.titleFor('en'), 'First Bloom');
      expect(pack.titleFor('ja'), 'First Bloom');
    });

    test('rejects unsupported schema versions', () {
      expect(
        () => SeasonPack.fromJson({...packJson, 'schemaVersion': 99}),
        throwsFormatException,
      );
    });
  });
}