import fs from 'fs';

// 读取CSV文件
const csvContent = fs.readFileSync('日历课程表.csv', 'utf-8');
const lines = csvContent.split('\n');

// 解析CSV数据
const calendarEvents = [];
let eventId = 1;

// 获取当前日期
const today = new Date();
const currentYear = today.getFullYear();
const currentMonth = today.getMonth() + 1;
const currentDay = today.getDate();

// 颜色映射
const unitColors = {
  '岗位体系认知': '#3b82f6',
  '产业认知课': '#10b981',
  '旅游产业全景与文旅基础知识': '#f59e0b',
  '文旅服务：形象、沟通与体验的融合艺术': '#ef4444',
  '文旅活动企划与实施': '#8b5cf6',
  '设计能力提升': '#06b6d4',
  'AIGC人工智能生成内容': '#ec4899',
  '全栈新媒体运营赋能文旅营销': '#14b8a6',
  '活动策划基础': '#f97316',
  '智慧文旅应用': '#6366f1'
};

// 课程状态映射
const getEventStatus = (statusStr, dateStr) => {
  const [year, month, day] = dateStr.split('/').map(Number);
  const eventDate = new Date(year, month - 1, day);
  const today = new Date();
  today.setHours(0, 0, 0, 0);
  eventDate.setHours(0, 0, 0, 0);
  
  if (statusStr === '已结束') return 'completed';
  if (statusStr === '未开始') {
    // 检查是否是近期（7天内）
    const daysDiff = Math.floor((eventDate - today) / (1000 * 60 * 60 * 24));
    if (daysDiff >= 0 && daysDiff <= 7) return 'upcoming';
    return 'future';
  }
  return 'pending';
};

// 处理每一行数据（跳过标题行）
for (let i = 1; i < lines.length; i++) {
  const line = lines[i].trim();
  if (!line) continue;
  
  const parts = line.split(',');
  if (parts.length < 10) continue;
  
  const date = parts[0];
  const weekday = parts[1];
  const courseStatus = parts[2];
  const courseName = parts[3];
  const publicCourse = parts[4];
  const time = parts[5];
  const teacher = parts[6];
  const unit = parts[7];
  const status = parts[8];
  const className = parts[9];
  
  // 只处理有课的数据
  if (courseStatus === '有课' && courseName) {
    const [year, month, day] = date.split('/').map(Number);
    const timeRange = time.split('~');
    // 修复时间格式，去除中文冒号
    const startTime = (timeRange[0] || '20:00').replace('：', ':');
    const endTime = (timeRange[1] || '21:00').replace('：', ':');
    
    // 截断过长的课程名称
    const truncatedTitle = courseName.length > 12 ? courseName.substring(0, 11) + '...' : courseName;
    
    const event = {
      id: eventId++,
      title: truncatedTitle,
      fullTitle: courseName, // 保留完整标题
      teacher: teacher,
      unit: unit,
      startTime: `${year}-${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')} ${startTime}`,
      endTime: `${year}-${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')} ${endTime}`,
      type: 'course',
      color: unitColors[unit] || '#6b7280',
      textColor: '#1d2129', // 添加文字颜色
      description: `${unit} - ${teacher}老师`,
      status: getEventStatus(status, date),
      weekday: weekday
    };
    
    calendarEvents.push(event);
  }
  
  // 处理公开课
  if (publicCourse && publicCourse !== '') {
    const [year, month, day] = date.split('/').map(Number);
    const timeRange = time.split('~');
    const startTime = (timeRange[0] || '20:00').replace('：', ':');
    const endTime = (timeRange[1] || '21:00').replace('：', ':');
    
    // 截断过长的公开课名称
    const truncatedTitle = publicCourse.length > 12 ? publicCourse.substring(0, 11) + '...' : publicCourse;
    
    const publicEvent = {
      id: eventId++,
      title: truncatedTitle,
      fullTitle: publicCourse,
      teacher: '公开课讲师',
      unit: '公开课',
      startTime: `${year}-${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')} ${startTime}`,
      endTime: `${year}-${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')} ${endTime}`,
      type: 'public',
      color: '#9333ea',
      textColor: '#1d2129',
      description: '职业技能公开课',
      status: 'upcoming',
      weekday: weekday
    };
    
    calendarEvents.push(publicEvent);
  }
}

// 生成allTasks数据（用于Dashboard的任务列表）
const allTasks = calendarEvents
  .filter(event => {
    const eventDate = new Date(event.startTime.split(' ')[0]);
    const today = new Date();
    const daysDiff = Math.floor((eventDate - today) / (1000 * 60 * 60 * 24));
    return daysDiff >= -30 && daysDiff <= 30; // 只保留前后30天的任务
  })
  .map((event, index) => {
    const [date, time] = event.startTime.split(' ');
    const typeMap = {
      'course': 'HOMEWORK',
      'public': 'OTHER',
      'lab': 'PROJECT',
      'meeting': 'INTERVIEW'
    };
    
    return {
      id: index + 1,
      title: `完成${event.title}课程学习`,
      date: date,
      time: time,
      type: typeMap[event.type] || 'HOMEWORK',
      courseName: event.title,
      status: event.status === 'completed' ? 'COMPLETED' : 
              event.status === 'upcoming' ? 'PENDING' : 'PENDING',
      teacherName: event.teacher,
      teacherAvatar: "https://p1-arco.byteimg.com/tos-cn-i-uwbnlip3yd/3ee5f13fb09879ecb5185e440cef6eb9.png~tplv-uwbnlip3yd-webp.webp",
      duration: "1小时"
    };
  });

// 输出结果
console.log('// 日历事件数据（从CSV生成）');
console.log('calendarEvents:', JSON.stringify(calendarEvents, null, 2));
console.log('\n// 任务列表数据（从日历事件生成）');
console.log('allTasks:', JSON.stringify(allTasks.slice(0, 20), null, 2)); // 只显示前20个任务

// 写入到文件
const output = {
  calendarEvents,
  allTasks
};

fs.writeFileSync('calendarData.json', JSON.stringify(output, null, 2));
console.log('\n数据已保存到 calendarData.json');
console.log(`总共生成了 ${calendarEvents.length} 个日历事件和 ${allTasks.length} 个任务`);