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

Page({
  data: {
    isLoggedIn: false,
    loginFailed: false,
    latestRecord: null,
    qrcodeVisible: false,
    qrcodeId: ''
  },

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

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

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

  onLoginFailed() {
    this.setData({ isLoggedIn: false, loginFailed: true })
  },

  onRetry() {
    this.setData({ loginFailed: false })
    app.silentLogin()
    app.loginReadyCallback = (userInfo) => {
      if (userInfo) {
        this.onLoginReady()
      } else {
        this.onLoginFailed()
      }
    }
  },

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

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

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

  showQrcode(e) {
    const id = e.currentTarget.dataset.id
    this.setData({ qrcodeVisible: true, qrcodeId: id })
  },

  hideQrcode() {
    this.setData({ qrcodeVisible: false, qrcodeId: '' })
  }
})