// index.js
const { appointmentDB } = require('../../utils/cloud')
const app = getApp()

Page({
  data: {
    isLoggedIn: false,
    latestRecord: null
  },

  onLoad() {
    if (app.globalData.isLoggedIn) {
      this.onLoginReady()
    } else {
      app.loginReadyCallback = () => {
        this.onLoginReady()
      }
    }
  },

  onShow() {
    if (app.globalData.isLoggedIn) {
      this.loadLatestRecord()
    }
  },

  onLoginReady() {
    this.setData({ isLoggedIn: true })
    this.loadLatestRecord()
  },

  async loadLatestRecord() {
    if (!this.data.isLoggedIn) {
      this.setData({ latestRecord: null })
      return
    }
    try {
      const openid = app.globalData.userInfo.openid
      const record = await appointmentDB.getLatest(openid)
      if (record) {
        this.setData({ latestRecord: this.formatRecord(record) })
      } else {
        this.setData({ latestRecord: null })
      }
    } catch (err) {
      console.error('加载最新预约失败', err)
      this.setData({ latestRecord: null })
    }
  },

  formatRecord(record) {
    const date = record.createTime
    let createTimeStr = ''
    if (date) {
      if (typeof date === 'object' && date.$date) {
        createTimeStr = new Date(date.$date).toLocaleString('zh-CN')
      } else {
        createTimeStr = new Date(date).toLocaleString('zh-CN')
      }
    }
    return { ...record, createTime: createTimeStr }
  },

  goAppointment() {
    wx.navigateTo({
      url: '/pages/appointment/appointment'
    })
  },

  goRecords() {
    wx.navigateTo({
      url: '/pages/records/records'
    })
  }
})