import 'dart:io';
import 'package:flutter_test/flutter_test.dart';
import 'package:kouyu_english/core/ai_service.dart';
import 'package:kouyu_english/core/models.dart';

void main() {
  test('transcribeAudio with valid test audio file returns transcription', () async {
    final ai = AiService.instance;
    ai.setFallbackApiKey('***REMOVED***');

    // Create a temporary wav file if not exists
    final tempFile = File('/tmp/test_unit.wav');
    if (!await tempFile.exists()) {
      // 44-byte standard wav header with 1 second silence
      final wavHeader = <int>[
        0x52, 0x49, 0x46, 0x46, 0x24, 0x7d, 0x00, 0x00, 0x57, 0x41, 0x56, 0x45,
        0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00,
        0x80, 0x3e, 0x00, 0x00, 0x00, 0x7d, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00,
        0x64, 0x61, 0x74, 0x61, 0x00, 0x7d, 0x00, 0x00,
      ];
      final wavData = List<int>.filled(32000, 0);
      await tempFile.writeAsBytes(wavHeader + wavData);
    }

    final result = await ai.transcribeAudio(
      filePath: tempFile.path,
      provider: AiProviderType.compatible,
      endpoint: 'https://codex.slcydia.fun/v1/responses',
      model: 'gemini-3.7-flash-high',
    );

    print('Transcribe result: $result');
    expect(result, isNotNull);
  });
}