const app = getApp();
const {
  inArray
} = require("../../../common/js/common.js");
let self;

Page({

  /**
   * 页面的初始数据
   */
  data: {
    id: 0,
    TabCur: 0,
    scrollLeft: 0,
    dateList: [],
    timeList: [],
    today: '',
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    self = this;
    self.data.today = self.getToday();
    self.setData({
      id: options.id
    });
    self.calcData();
    app.post('teahouse/teahouse/getTimeByDate',{date:self.data.dateList[self.data.TabCur].fullname,lock_id:self.data.id},function(res) {
      self.calcTime(res);
      wx.hideLoading();
    });
  },

  getToday() {
    const today = new Date();
    const year = today.getFullYear();;
    const month = String(today.getMonth() + 1).padStart(2, '0');
    const day = String(today.getDate()).padStart(2, '0');
    return `${year}年${month}月${day}日`;
  },

  calcData() {
    const dates = [];
    const today = new Date();
    for (let i = 0; i <= 9; i++) {
      const futureDate = new Date(today);
      futureDate.setDate(today.getDate() + i);
      const year = futureDate.getFullYear();
      const month = String(futureDate.getMonth() + 1).padStart(2, '0');
      const day = String(futureDate.getDate()).padStart(2, '0');
      dates.push({fullname:`${year}年${month}月${day}日`,name:`${month}月${day}日`});
    }
    self.setData({
      dateList: dates
    });
  },

  calcTime(selected = []) {
    const now = new Date();
    const currentHour = now.getHours();
    let times = [];
    for (let i = 0; i < 24; i++) {
      let item = {name:self.formatNumber(i) + ':00 - ' + self.formatNumber(i + 1) + ':00',select:false,disabled:false};
      if (self.data.dateList[self.data.TabCur].fullname == self.data.today && i < currentHour) {
        item.disabled = true;
      } else if (inArray(item.name,selected)) {
        item.disabled = true;
      }
      
      times.push(item);
    }
    self.setData({
      timeList: times
    });
  },

  formatNumber(n) {
    n = n.toString()
    return n[1] ? n : '0' + n
  },

  selectTime(e) {
    let disabled = e.currentTarget.dataset.disabled;
    if (!disabled) {
      let index = e.currentTarget.dataset.index;
      let timeList = self.data.timeList;
      timeList[index].select = !timeList[index].select;
      self.setData({timeList:timeList});
    }
  },

  tabSelect(e) {
    wx.showLoading()
    self.setData({
      TabCur: e.currentTarget.dataset.id,
      scrollLeft: (e.currentTarget.dataset.id - 1) * 60
    })
    app.post('teahouse/teahouse/getTimeByDate',{date:self.data.dateList[self.data.TabCur].fullname,lock_id:self.data.id},function(res) {
      self.calcTime(res);
      wx.hideLoading();
    });
  },

  onSubmit() {
    let date = self.data.dateList[self.data.TabCur].fullname;
    let time = [];
    for (let item of self.data.timeList) {
      if (item.select) {
        time.push(item.name);
      }
    }
    if (time.length == 0) {
      wx.showToast({
        title: '请选择预约时间',
        icon: 'none',
      })
      return false;
    }

    app.post('teahouse/teahouse/reservation',{lock_id:self.data.id,date:date,time:time},function(){
      wx.showToast({
        title: '预约成功',
        success: function() {
          wx.navigateBack();
        },
      })
    });
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {
    return {
      title: "晋爱人才",
      path: "/pages/home/home/home",
    };
  }
})