Page({
  data: {
    // 专家信息（新增在线状态）
    expertInfo: {
      avatar: 'https://api.dicebear.com/7.x/avataaars/png?seed=expert_pro&size=140',
      name: '张振农',
      specialty: '作物栽培 · 土壤改良',
      experience: 15,
      online: true  // 在线状态
    },
    // 聊天申请列表数据
    applyList: [],
    // 分页相关
    page: 1,
    pageSize: 10,
    hasMore: true,
    total: 0,
  },

  onLoad() {
    this.loadApplyList(1);
  },

  // 加载申请列表（增强模拟数据）
  loadApplyList(page) {
    const { pageSize } = this.data;
    wx.showLoading({ title: '加载中...', mask: true });

    setTimeout(() => {
      const mockData = this.generateMockData(page, pageSize);
      
      if (page === 1) {
        this.setData({
          applyList: mockData.list,
          total: mockData.total,
          hasMore: mockData.hasMore,
          page: page
        });
      } else {
        this.setData({
          applyList: this.data.applyList.concat(mockData.list),
          total: mockData.total,
          hasMore: mockData.hasMore,
          page: page
        });
      }
      wx.hideLoading();
    }, 600);
  },

  // 生成更丰富的模拟数据（含标签）
  generateMockData(page, pageSize) {
    const total = 23;
    const start = (page - 1) * pageSize;
    const end = start + pageSize;
    const hasMore = end < total;
    const list = [];

    const seeds = ['farmer1', 'sheep', 'cattle', 'wheat', 'tractor', 'green', 'sun', 'rain', 'soil', 'seed'];
    const firstNames = ['李', '王', '张', '刘', '赵', '陈', '杨', '周', '吴', '黄'];
    const farmTypes = ['水稻种植', '牛羊养殖', '果树栽培', '蔬菜大棚', '有机农场', '蜂蜜养殖', '食用菌', '药材种植'];
    const tagPool = [
      ['玉米', '虫害'],
      ['羊羔', '腹泻'],
      ['施肥', '建议'],
      ['土壤', '检测'],
      ['大棚', '温度'],
      ['猪病', '防治'],
      ['果树', '修剪'],
      ['蜂蜜', '取蜜']
    ];

    for (let i = start; i < Math.min(end, total); i++) {
      const id = `apply_${i + 1}`;
      const userId = `user_${(i % 10) + 1}`;
      const seedIndex = i % seeds.length;
      const nameIndex = i % firstNames.length;
      const typeIndex = (i * 3) % farmTypes.length;
      const unread = i % 4 === 0 ? 2 : (i % 7 === 0 ? 1 : 0);
      const statuses = ['pending', 'accepted', 'completed'];
      const status = statuses[i % 3];

      // 随机标签
      const tags = tagPool[(i * 2) % tagPool.length];

      const time = new Date(Date.now() - (i * 7200000) - Math.floor(Math.random() * 5000000));
      const timeStr = `${time.getMonth()+1}.${time.getDate()} ${time.getHours()}:${time.getMinutes().toString().padStart(2,'0')}`;

      // 更真实的预览消息
      let lastMessage = '';
      if (i % 5 === 0) lastMessage = '专家您好，我家玉米出现黄叶，能帮看看吗？';
      else if (i % 3 === 0) lastMessage = '咨询一下羊羔腹泻的问题，急！';
      else if (i % 4 === 0) lastMessage = '请问什么时候方便通话？';
      else lastMessage = '请求添加您为咨询顾问';

      list.push({
        id: id,
        user: {
          id: userId,
          name: firstNames[nameIndex] + (i % 2 === 0 ? '建国' : '秀英') + (i + 1),
          avatar: `https://api.dicebear.com/7.x/avataaars/png?seed=${seeds[seedIndex]}_${i}&size=96`,
          farmType: farmTypes[typeIndex],
        },
        applyTime: timeStr,
        lastMessage: lastMessage,
        unreadCount: unread,
        status: status,
        tags: tags,
      });
    }

    return {
      list,
      total,
      hasMore,
    };
  },

  // 处理点击申请项
  handleApply(e) {
    console.log(111,e);
     const id = e.currentTarget.dataset.id
     wx.navigateTo({
       url: `/pagesA/pages/expertChat/expertChat?id=${id}`,
     })
  },



  loadMore() {
    const { hasMore, page } = this.data;
    if (hasMore) {
      this.loadApplyList(page + 1);
    }
  },

  onPullDownRefresh() {
    this.setData({ page: 1, hasMore: true });
    this.loadApplyList(1);
    wx.stopPullDownRefresh();
  }
});