import 'dart:convert';

import 'package:flutter_test/flutter_test.dart';
import 'package:http/http.dart' as http;
import 'package:http/testing.dart';
import 'package:kouyu_english/core/ai_service.dart';
import 'package:kouyu_english/core/models.dart';

void main() {
  const definition = '{"definition":"苹果"}';

  Future<Map<String, dynamic>> captureBody(String endpoint) async {
    AiService.instance.setFallbackApiKey('test-key');
    Map<String, dynamic>? body;
    final result = await http.runWithClient(
      () => AiService.instance.temporaryDefinition(
        provider: AiProviderType.compatible,
        endpoint: endpoint,
        model: 'deepseek-flash',
        text: 'apple',
      ),
      () => MockClient((request) async {
        body = jsonDecode(request.body) as Map<String, dynamic>;
        return http.Response(
          jsonEncode({
            'choices': [
              {
                'message': {'content': definition},
              },
            ],
            'output_text': definition,
          }),
          200,
          headers: {'content-type': 'application/json; charset=utf-8'},
        );
      }),
    );
    expect(result, '苹果');
    return body!;
  }

  test('DeepSeek chat completions request disables thinking', () async {
    final body = await captureBody('https://api.deepseek.com');

    expect(body['thinking'], {'type': 'disabled'});
    expect(body.containsKey('reasoning_effort'), isFalse);
    expect(body['max_tokens'], 200);
  });

  test('DeepSeek responses request sets reasoning effort to none', () async {
    final body = await captureBody('https://api.deepseek.com/v1/responses');

    expect(body['reasoning'], {'effort': 'none'});
    expect(body.containsKey('reasoning_effort'), isFalse);
    expect(body.containsKey('thinking'), isFalse);
  });

  test('other compatible endpoints keep their original payload', () async {
    final body = await captureBody('https://example.test/v1');

    expect(body.containsKey('thinking'), isFalse);
    expect(body['reasoning_effort'], 'low');
  });
}