var tcm = require('../../utils/tcm.js')

Page({
  data: {
    currentUser: null,
    latestExam: null,
    latestExamSummary: '',
    latestExamStatusText: '',
    loadingUser: true,
    loadingLive: false
  },

  onShow: function () {
    this.loadPageData()
  },

  loadPageData: function () {
    this.loadScaleUsers()
  },

  loadScaleUsers: function () {
    var that = this
    that.setData({
      loadingUser: true
    })

    tcm.getScaleUsers().then(function (list) {
      var scaleUsers = Array.isArray(list) ? list : []
      var currentUser = null

      if (scaleUsers.length > 0) {
        currentUser = scaleUsers[0]
        for (var i = 0; i < scaleUsers.length; i++) {
          if (scaleUsers[i].isDefault === true || scaleUsers[i].isDefault === 1) {
            currentUser = scaleUsers[i]
            break
          }
          if (scaleUsers[i].active === true && !currentUser) {
            currentUser = scaleUsers[i]
          }
        }
      }

      that.setData({
        currentUser: currentUser,
        loadingUser: false
      })

      if (currentUser && currentUser.ID) {
        that.loadLatestExam(currentUser.ID)
      } else {
        that.setData({
          latestExam: null,
          latestExamSummary: '',
          latestExamStatusText: '添加检测人后即可开始 AI 舌诊'
        })
      }
    }).catch(function () {
      that.setData({
        loadingUser: false,
        latestExam: null,
        latestExamSummary: '',
        latestExamStatusText: '暂未获取到康养档案'
      })
    })
  },

  loadLatestExam: function (scaleUserId) {
    var that = this
    tcm.getLatestExam(scaleUserId).then(function (data) {
      var exam = data && data.exam ? data.exam : null
      var aiSections = data && data.aiSections ? data.aiSections : {}
      that.setData({
        latestExam: exam,
        latestExamSummary: that.getLatestExamSummary(aiSections),
        latestExamStatusText: that.formatExamStatus(exam ? exam.status : '')
      })
    }).catch(function () {
      that.setData({
        latestExam: null,
        latestExamSummary: '',
        latestExamStatusText: '暂无诊疗报告'
      })
    })
  },

  formatExamStatus: function (status) {
    if (status === 'completed') {
      return '最新报告已生成'
    }
    if (status === 'pending' || status === 'generating') {
      return '最新报告生成中'
    }
    if (status === 'failed') {
      return '上次诊疗生成失败，可重新检测'
    }
    return '暂无诊疗报告'
  },

  getLatestExamSummary: function (aiSections) {
    if (!aiSections) {
      return ''
    }
    return aiSections.summary || aiSections.general || aiSections.observation || ''
  },

  goDiagnosis: function () {
    wx.navigateTo({
      url: '/packageWellness/pages/tcm/diagnosis/diagnosis'
    })
  },

  goLatestReport: function () {
    if (!this.data.currentUser || !this.data.currentUser.ID) {
      wx.showToast({
        title: '请先添加检测人',
        icon: 'none'
      })
      return
    }
    wx.navigateTo({
      url: '/packageWellness/pages/tcm/report/report?scaleUserId=' + this.data.currentUser.ID
    })
  }
})