import 'dart:io';

import 'package:flutter_test/flutter_test.dart';
import 'package:please_pay_me/core/config/app_config.dart';
import 'package:please_pay_me/core/config/env_file.dart';

void main() {
  group('parseEnvFile', () {
    test('reads keys, comments and quoted values', () {
      const source = '''
# comment
PPM_API_BASE_URL=https://please-pay-me.ru/
PPM_WEB_URL="https://please-pay-me.ru"
PPM_DEMO=false

EMPTY=
''';

      final values = parseEnvFile(source);

      expect(values['PPM_API_BASE_URL'], 'https://please-pay-me.ru/');
      expect(values['PPM_WEB_URL'], 'https://please-pay-me.ru');
      expect(values['PPM_DEMO'], 'false');
      expect(values.containsKey('EMPTY'), isTrue);
      expect(values['EMPTY'], '');
    });
  });

  group('AppConfig.fromMap', () {
    test('strips a trailing slash and defaults the cabinet URL', () {
      final config = AppConfig.fromMap({
        'PPM_API_BASE_URL': 'https://please-pay-me.ru/',
      });

      expect(config.apiBaseUrl, 'https://please-pay-me.ru');
      expect(config.webCabinetUrl, 'https://please-pay-me.ru');
      expect(config.demoMode, isFalse);
    });

    test('empty map uses the production cabinet', () {
      final config = AppConfig.fromMap(const {});

      expect(config.apiBaseUrl, AppConfig.productionOrigin);
      expect(config.webCabinetUrl, AppConfig.productionOrigin);
      expect(config.demoMode, isFalse);
    });

    test('PPM_DEMO=true forces demo even when a URL is set', () {
      final config = AppConfig.fromMap({
        'PPM_API_BASE_URL': 'https://please-pay-me.ru',
        'PPM_DEMO': 'true',
      });

      expect(config.demoMode, isTrue);
      expect(config.apiBaseUrl, 'https://please-pay-me.ru');
    });
  });

  test('.env.example stays in sync with the parser', () {
    final text = File('.env.example').readAsStringSync();
    final values = parseEnvFile(text);
    final config = AppConfig.fromMap(values);

    expect(values.containsKey('PPM_API_BASE_URL'), isTrue);
    expect(config.apiBaseUrl, isNotEmpty);
    expect(config.demoMode, isFalse);
  });
}