const { appointmentDB, formatRecord } = require('../../../utils/api')

Page({
  data: {
    record: null,
    loading: true,
    error: '',
    verifying: false
  },

  onLoad(options) {
    const id = this.extractId(options)
    if (!id) {
      this.setData({ loading: false, error: '缺少预约记录ID' })
      return
    }
    this.loadRecordDetail(id)
  },

  extractId(options) {
    if (options.id) return options.id
    if (!options.scene) return null

    const scene = decodeURIComponent(options.scene)
    return scene.startsWith('id=') ? scene.substring(3) : scene
  },

  async loadRecordDetail(id) {
    try {
      this.setData({ loading: true })
      const result = await appointmentDB.getDetail(id)

      if (!result) {
        this.setData({ loading: false, error: '预约记录不存在' })
        return
      }

      const statusMap = {
        'pending': '待审核',
        'approved': '已通过',
        'rejected': '已拒绝',
        'cancelled': '已取消'
      }

      const checkStatusMap = {
        '1': '已核销',
        '0': '未核销'
      }

      this.setData({
        record: {
          ...formatRecord(result),
          statusText: statusMap[result.status] || result.status,
          checkStatusText: checkStatusMap[result.checkStatus] || '未核销',
          isChecked: result.checkStatus === '1'
        },
        loading: false
      })
    } catch (err) {
      console.error('加载预约记录详情失败', err)
      this.setData({ loading: false, error: '加载失败，请稍后重试' })
    }
  },

  async handleVerify() {
    const { record } = this.data
    if (!record || record.isChecked || this.data.verifying) return

    const confirmed = await new Promise((resolve) => {
      wx.showModal({
        title: '确认核销',
        content: '确认通知被访人访客已到达并核销此预约记录？',
        confirmText: '确认核销',
        confirmColor: '#1890ff',
        success: (res) => resolve(res.confirm)
      })
    })

    if (!confirmed) return

    try {
      this.setData({ verifying: true })
      await appointmentDB.notifyHostArrival(record._id)

      this.setData({
        'record.isChecked': true,
        'record.checkStatusText': '已核销',
        verifying: false
      })

      wx.showToast({ title: '核销成功，已通知被访人', icon: 'success' })
    } catch (err) {
      console.error('核销失败', err)
      this.setData({ verifying: false })
      wx.showToast({ title: err.message || '核销失败，请稍后重试', icon: 'none' })
    }
  }
})