import 'package:flutter/foundation.dart' show kIsWeb;
import '../models/daily_stats.dart';
import '../models/app_usage.dart';

/// 测试数据服务 - 用于 Web 平台或开发测试
class MockDataService {
  /// 生成今日测试统计数据
  static DailyStats generateTodayStats() {
    return DailyStats(
      date: DateTime.now(),
      totalTime: 23040, // 6小时24分钟
      workTime: 14400, // 4小时
      studyTime: 3600, // 1小时
      entertainmentTime: 3600, // 1小时
      socialTime: 1800, // 30分钟
      toolTime: 0,
      efficiencyScore: 72,
      focusScore: 65,
      appSwitchCount: 45,
      createdAt: DateTime.now(),
      updatedAt: DateTime.now(),
    );
  }

  /// 生成本周测试统计数据
  static List<DailyStats> generateWeekStats() {
    final now = DateTime.now();
    final startOfWeek = now.subtract(Duration(days: now.weekday - 1));
    
    return List.generate(7, (index) {
      final date = startOfWeek.add(Duration(days: index));
      final baseTime = 20000 + (index * 500); // 每天略有不同
      
      return DailyStats(
        date: date,
        totalTime: baseTime,
        workTime: (baseTime * 0.6).round(), // 60% 工作时间
        studyTime: (baseTime * 0.15).round(), // 15% 学习时间
        entertainmentTime: (baseTime * 0.15).round(), // 15% 娱乐时间
        socialTime: (baseTime * 0.08).round(), // 8% 社交时间
        toolTime: (baseTime * 0.02).round(), // 2% 工具时间
        efficiencyScore: 65 + (index * 2), // 效率评分递增
        focusScore: 60 + (index * 3),
        appSwitchCount: 40 + (index * 2),
        createdAt: DateTime.now(),
        updatedAt: DateTime.now(),
      );
    });
  }

  /// 生成今日 Top 应用测试数据
  static List<AppUsage> generateTopApps() {
    final now = DateTime.now();
    
    return [
      AppUsage(
        packageName: 'com.google.chrome',
        appName: 'Chrome',
        startTime: now.subtract(const Duration(hours: 2, minutes: 15)),
        endTime: now,
        duration: 8100, // 2小时15分钟
        category: 'work',
        createdAt: now,
        updatedAt: now,
      ),
      AppUsage(
        packageName: 'com.microsoft.vscode',
        appName: 'VS Code',
        startTime: now.subtract(const Duration(hours: 1, minutes: 30)),
        endTime: now,
        duration: 5400, // 1小时30分钟
        category: 'work',
        createdAt: now,
        updatedAt: now,
      ),
      AppUsage(
        packageName: 'com.slack',
        appName: 'Slack',
        startTime: now.subtract(const Duration(hours: 1)),
        endTime: now,
        duration: 3600, // 1小时
        category: 'work',
        createdAt: now,
        updatedAt: now,
      ),
      AppUsage(
        packageName: 'com.notion',
        appName: 'Notion',
        startTime: now.subtract(const Duration(minutes: 45)),
        endTime: now,
        duration: 2700, // 45分钟
        category: 'work',
        createdAt: now,
        updatedAt: now,
      ),
      AppUsage(
        packageName: 'com.apple.mail',
        appName: 'Mail',
        startTime: now.subtract(const Duration(minutes: 30)),
        endTime: now,
        duration: 1800, // 30分钟
        category: 'work',
        createdAt: now,
        updatedAt: now,
      ),
    ];
  }

  /// 检查是否应该使用测试数据
  static bool shouldUseMockData() {
    return kIsWeb;
  }
}