/**
 * 数据初始化和管理工具
 * 在微信开发者工具控制台中直接粘贴执行
 */

// ========================================
// 1️⃣ 初始化完整的示例数据
// ========================================
function initAllDemoData() {
  console.group('🚀 开始初始化示例数据');
  
  // GPA课程数据（16门课程，4个学期）
  const gpaCourses = [
    // 2023-1学期
    { id: 1, name: '高等数学A(上)', score: 92, credit: 5, semester: '2023-1' },
    { id: 2, name: '大学英语(一)', score: 88, credit: 3, semester: '2023-1' },
    { id: 3, name: '程序设计基础', score: 95, credit: 4, semester: '2023-1' },
    { id: 4, name: '思想道德与法治', score: 85, credit: 3, semester: '2023-1' },
    
    // 2023-2学期
    { id: 5, name: '高等数学A(下)', score: 90, credit: 5, semester: '2023-2' },
    { id: 6, name: '大学英语(二)', score: 87, credit: 3, semester: '2023-2' },
    { id: 7, name: '数据结构', score: 93, credit: 4, semester: '2023-2' },
    { id: 8, name: '线性代数', score: 89, credit: 3, semester: '2023-2' },
    
    // 2024-1学期
    { id: 9, name: '概率论与数理统计', score: 91, credit: 4, semester: '2024-1' },
    { id: 10, name: '计算机组成原理', score: 88, credit: 4, semester: '2024-1' },
    { id: 11, name: '操作系统', score: 94, credit: 4, semester: '2024-1' },
    { id: 12, name: '大学物理', score: 86, credit: 3, semester: '2024-1' },
    
    // 2024-2学期
    { id: 13, name: '数据库系统', score: 95, credit: 4, semester: '2024-2' },
    { id: 14, name: '计算机网络', score: 92, credit: 4, semester: '2024-2' },
    { id: 15, name: '软件工程', score: 90, credit: 3, semester: '2024-2' },
    { id: 16, name: '人工智能导论', score: 96, credit: 3, semester: '2024-2' }
  ];
  wx.setStorageSync('gpaCourses', gpaCourses);
  console.log('✅ GPA课程数据已初始化（16门）');

  // 学习时长数据（最近7天）
  const today = new Date();
  const learningData = {
    totalDays: 7,
    totalHours: 24.5,
    dailyRecords: []
  };

  const dailyActivity = {};
  const moduleUsage = {
    course: 8.5,
    forum: 6.2,
    tools: 7.3,
    ai: 2.5
  };

  for (let i = 6; i >= 0; i--) {
    const date = new Date(today);
    date.setDate(date.getDate() - i);
    const dateStr = formatDate(date);
    
    const duration = 1 + Math.random() * 4;
    learningData.dailyRecords.push({
      date: dateStr,
      duration: parseFloat(duration.toFixed(1))
    });

    dailyActivity[dateStr] = Math.floor(60 + Math.random() * 120);
  }

  wx.setStorageSync('learning_data', learningData);
  wx.setStorageSync('daily_activity', dailyActivity);
  wx.setStorageSync('module_usage', moduleUsage);
  console.log('✅ 学习时长数据已初始化（7天）');

  // 学习画像
  const learningProfile = {
    focus: 85,
    activity: 90,
    duration: 75,
    breadth: 88,
    interaction: 72,
    persistence: 95
  };
  wx.setStorageSync('learning_profile', learningProfile);
  console.log('✅ 学习画像已初始化');

  // 课表数据
  const scheduleData = {
    1: {
      '周一-1-2节': { name: '高等数学', location: '教学楼A101', teacher: '张教授', weeks: '1-16周' },
      '周一-3-4节': { name: '大学英语', location: '教学楼B203', teacher: '李老师', weeks: '1-16周' },
      '周二-1-2节': { name: '数据结构', location: '实验楼C301', teacher: '王教授', weeks: '1-16周' },
      '周二-5-6节': { name: '计算机网络', location: '实验楼C302', teacher: '赵老师', weeks: '1-16周' },
      '周三-3-4节': { name: '数据库系统', location: '教学楼A205', teacher: '刘教授', weeks: '1-16周' },
      '周四-1-2节': { name: '操作系统', location: '实验楼C303', teacher: '陈老师', weeks: '1-16周' },
      '周四-5-6节': { name: '软件工程', location: '教学楼B301', teacher: '杨教授', weeks: '1-16周' },
      '周五-3-4节': { name: '人工智能导论', location: '教学楼A301', teacher: '周教授', weeks: '1-16周' }
    }
  };
  wx.setStorageSync('schedule', scheduleData);
  console.log('✅ 课表数据已初始化（8门课）');

  // 倒计时数据
  const countdowns = [
    { id: 1, name: '期末考试', date: '2025-01-15', color: '#FF6B6B' },
    { id: 2, name: '英语四级', date: '2024-12-14', color: '#4ECDC4' },
    { id: 3, name: '数学竞赛', date: '2024-11-20', color: '#95E1D3' },
    { id: 4, name: '编程大赛', date: '2024-11-30', color: '#F38181' }
  ];
  wx.setStorageSync('countdowns', countdowns);
  console.log('✅ 倒计时数据已初始化（4个事件）');

  // 清除GPA历史记录，让系统重新生成
  wx.removeStorageSync('gpa_history');
  console.log('✅ 已清除GPA历史记录（将自动重新生成）');

  console.log('');
  console.log('🎉 所有示例数据初始化完成！');
  console.log('📌 请进入"学习数据"页面查看效果');
  console.groupEnd();
}

// ========================================
// 2️⃣ 查看所有数据
// ========================================
function viewAllData() {
  console.group('📊 当前所有数据');
  
  const gpaCourses = wx.getStorageSync('gpaCourses');
  console.log('GPA课程数量:', gpaCourses?.length || 0);
  console.log('GPA课程:', gpaCourses);
  
  const gpaHistory = wx.getStorageSync('gpa_history');
  console.log('GPA历史:', gpaHistory);
  
  const learningData = wx.getStorageSync('learning_data');
  console.log('学习数据:', learningData);
  
  const dailyActivity = wx.getStorageSync('daily_activity');
  console.log('每日活动:', dailyActivity);
  
  const moduleUsage = wx.getStorageSync('module_usage');
  console.log('模块使用:', moduleUsage);
  
  const learningProfile = wx.getStorageSync('learning_profile');
  console.log('学习画像:', learningProfile);
  
  const schedule = wx.getStorageSync('schedule');
  console.log('课表:', schedule);
  
  const countdowns = wx.getStorageSync('countdowns');
  console.log('倒计时:', countdowns);
  
  console.groupEnd();
}

// ========================================
// 3️⃣ 清除所有数据
// ========================================
function clearAllData() {
  const confirm = window.confirm('⚠️ 确定要清除所有数据吗？此操作不可恢复！');
  if (!confirm) {
    console.log('❌ 已取消清除操作');
    return;
  }
  
  wx.clearStorage();
  console.log('✅ 所有数据已清除');
  console.log('💡 请重启小程序或刷新页面');
}

// ========================================
// 4️⃣ 只清除GPA数据
// ========================================
function clearGPAData() {
  wx.removeStorageSync('gpaCourses');
  wx.removeStorageSync('gpa_history');
  console.log('✅ GPA数据已清除');
}

// ========================================
// 5️⃣ 只清除学习时长数据
// ========================================
function clearLearningData() {
  wx.removeStorageSync('learning_data');
  wx.removeStorageSync('daily_activity');
  wx.removeStorageSync('module_usage');
  wx.removeStorageSync('learning_profile');
  console.log('✅ 学习时长数据已清除');
}

// ========================================
// 6️⃣ 诊断数据完整性
// ========================================
function diagnoseData() {
  console.group('🔍 数据完整性诊断');
  
  const checks = [
    { key: 'gpaCourses', name: 'GPA课程数据', required: true },
    { key: 'gpa_history', name: 'GPA历史记录', required: false },
    { key: 'learning_data', name: '学习时长数据', required: true },
    { key: 'daily_activity', name: '每日活动数据', required: true },
    { key: 'module_usage', name: '模块使用数据', required: true },
    { key: 'learning_profile', name: '学习画像数据', required: true },
    { key: 'schedule', name: '课表数据', required: false },
    { key: 'countdowns', name: '倒计时数据', required: false }
  ];

  let allGood = true;
  checks.forEach(check => {
    const data = wx.getStorageSync(check.key);
    const exists = data && (Array.isArray(data) ? data.length > 0 : Object.keys(data).length > 0);
    
    if (exists) {
      console.log(`✅ ${check.name}: 正常`);
    } else if (check.required) {
      console.error(`❌ ${check.name}: 缺失（必需）`);
      allGood = false;
    } else {
      console.warn(`⚠️ ${check.name}: 缺失（可选）`);
    }
  });

  console.log('');
  if (allGood) {
    console.log('🎉 所有必需数据完整！');
  } else {
    console.error('⚠️ 有必需数据缺失，建议运行 initAllDemoData()');
  }
  
  console.groupEnd();
}

// ========================================
// 辅助函数
// ========================================
function formatDate(date) {
  const year = date.getFullYear();
  const month = String(date.getMonth() + 1).padStart(2, '0');
  const day = String(date.getDate()).padStart(2, '0');
  return `${year}-${month}-${day}`;
}

// ========================================
// 使用说明
// ========================================
console.log('');
console.log('╔════════════════════════════════════════╗');
console.log('║     数据管理工具已加载                 ║');
console.log('╚════════════════════════════════════════╝');
console.log('');
console.log('📌 可用命令：');
console.log('');
console.log('1️⃣  initAllDemoData()    - 初始化所有示例数据');
console.log('2️⃣  viewAllData()        - 查看所有数据');
console.log('3️⃣  clearAllData()       - 清除所有数据');
console.log('4️⃣  clearGPAData()       - 只清除GPA数据');
console.log('5️⃣  clearLearningData()  - 只清除学习时长数据');
console.log('6️⃣  diagnoseData()       - 诊断数据完整性');
console.log('');
console.log('💡 使用示例：');
console.log('   initAllDemoData();    // 初始化示例数据');
console.log('   diagnoseData();       // 检查数据状态');
console.log('');