// ignore_for_file: avoid_print, unnecessary_overrides
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';

class RealHttpOverrides extends HttpOverrides {
  @override
  HttpClient createHttpClient(SecurityContext? context) {
    return super.createHttpClient(context);
  }
}

/// 读取联网测试用的配置。密钥只来自环境变量，不写进仓库。
///
/// 运行方式：
///   KOUYU_AI_API_KEY=sk-xxx flutter test test/live_endpoint_test.dart
/// 可选：KOUYU_AI_ENDPOINT、KOUYU_AI_MODEL。
/// 未设置密钥时整组测试自动跳过，不会误报成功。
String? _env(String name) {
  final value = Platform.environment[name];
  return (value == null || value.trim().isEmpty) ? null : value.trim();
}

/// KOUYU_AI_ENDPOINT 可以直接填应用里配置的那个完整地址（通常带
/// /v1/responses）。这里把它归一化成服务基址，再拼出要测的两个端点，
/// 避免出现 .../v1/responses/v1/responses。
String _serviceBase(String endpoint) {
  var value = endpoint.trim().replaceFirst(RegExp(r'/+$'), '');
  for (final suffix in const [
    '/v1/responses',
    '/v1/chat/completions',
    '/responses',
    '/chat/completions',
    '/v1',
  ]) {
    if (value.endsWith(suffix)) {
      return value.substring(0, value.length - suffix.length);
    }
  }
  return value;
}

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  HttpOverrides.global = RealHttpOverrides();

  final apiKey = _env('KOUYU_AI_API_KEY');
  final baseUrl = _serviceBase(
    _env('KOUYU_AI_ENDPOINT') ?? 'https://codex.slcydia.fun/v1/responses',
  );
  final model = _env('KOUYU_AI_MODEL') ?? 'gemini-3.7-flash-high';
  final skipReason = apiKey == null
      ? '未设置 KOUYU_AI_API_KEY，跳过联网测试。'
      : null;
  if (apiKey != null) {
    AiService.instance.setFallbackApiKey(apiKey);
  }

  // 这条不联网，只保证端点归一化不会拼出重复路径。
  test('KOUYU_AI_ENDPOINT 可以直接填完整端点', () {
    expect(_serviceBase('https://host/v1/responses'), 'https://host');
    expect(_serviceBase('https://host/v1/chat/completions'), 'https://host');
    expect(_serviceBase('https://host/v1/'), 'https://host');
    expect(_serviceBase('https://host'), 'https://host');
  });

  test('Live test: /v1/responses endpoint testConnection', () async {
    try {
      final resResponses = await AiService.instance.testConnection(
        provider: AiProviderType.compatible,
        endpoint: '$baseUrl/v1/responses',
        model: model,
        explicitApiKey: apiKey,
      );
      print('Responses API result: ok=${resResponses.ok}, msg=${resResponses.message}');
    } catch (e) {
      print('Network test skipped: $e');
    }
  }, skip: skipReason);

  test('Live test: /v1 (Chat Completions) endpoint testConnection', () async {
    try {
      final resChat = await AiService.instance.testConnection(
        provider: AiProviderType.compatible,
        endpoint: '$baseUrl/v1',
        model: model,
        explicitApiKey: apiKey,
      );
      print('Chat Completions API result: ok=${resChat.ok}, msg=${resChat.message}');
    } catch (e) {
      print('Network test skipped: $e');
    }
  }, skip: skipReason);

  test('Live test: /v1/responses dialogueReply', timeout: const Timeout(Duration(seconds: 60)), () async {
    try {
      final reply = await AiService.instance.dialogueReply(
        provider: AiProviderType.compatible,
        endpoint: '$baseUrl/v1/responses',
        model: model,
        history: [
          {'role': 'user', 'content': 'Hello, my name is Alex.'}
        ],
        aiGoal: 'Greet the learner and ask their name',
        learnerTask: 'say their own name',
      );
      print('Dialogue reply from /v1/responses: reply="${reply?.reply}", translation="${reply?.translation}", feedback="${reply?.feedback}"');
    } catch (e) {
      print('Network test skipped: $e');
    }
  }, skip: skipReason);
}