const API = require('../../utils/api.js')

Page({
  data: {
    service: {
      id: null,
      title: '',
      subtitle: '',
      price: '0.00',
      image: '',
      tag: '',
      description: '',
      flow: [],
      notices: []
    },
    totalPrice: '0.00',
    showOrderPopup: false,
    profiles: [], // 已保存的就诊人
    selectedProfileId: '', // 当前选中的就诊人档案 ID，为空表示手动填写
    patientName: '',
    patientPhone: '',
    province: '',
    provinceIndex: 0,
    provinces: ['北京市', '天津市', '河北省', '山西省', '内蒙古自治区', '辽宁省', '吉林省', '黑龙江省', '上海市', '江苏省', '浙江省', '安徽省', '福建省', '江西省', '山东省', '河南省', '湖北省', '湖南省', '广东省', '广西壮族自治区', '海南省', '重庆市', '四川省', '贵州省', '云南省', '西藏自治区', '陕西省', '甘肃省', '青海省', '宁夏回族自治区', '新疆维吾尔自治区', '台湾省', '香港特别行政区', '澳门特别行政区'],
    hospital: '',
    appointmentDate: '',
    appointmentTime: '',
    remark: '',
    today: '',
    gender: '不限',
    genderIndex: 0,
    genderOptions: ['不限', '男', '女'],
    department: '',
    departments: ['内科', '外科', '妇产科', '儿科', '骨科', '神经科', '心血管内科', '消化内科', '呼吸内科', '内分泌科', '皮肤科', '眼科', '耳鼻喉科', '口腔科', '急诊科', '肿瘤科', '康复医学科', '老年病科', '中医科', '针灸推拿科'],
    hospitals: []
  },

  onLoad(options) {
    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')
    const todayStr = `${year}-${month}-${day}`

    this.setData({
      today: todayStr
    })

    const serviceId = parseInt(options.id) || 1
    this.loadServiceDetail(serviceId)

    // 从列表页的「预约」进来（?book=1）时，直接把预约单弹出来；
    // 未登录会由 openOrderPopup 拦下并提示登录
    if (options.book === '1') {
      this.openOrderPopup()
    }
  },

  onShow() {
    // 从"新增就诊人"页面返回时，弹窗还开着就刷新一次可选的就诊人
    if (this.data.showOrderPopup) {
      this.loadProfiles()
    }
  },

  loadServiceDetail(id) {
    const app = getApp()
    let service = null
    for (const item of app.globalData.services) {
      if (item.id === id) {
        service = item
        break
      }
    }
    if (!service) {
      return
    }

    const totalPrice = this.calculateTotal(service.price, 1)
    this.setData({
      service: service,
      totalPrice: totalPrice
    })
  },

  calculateTotal(price) {
    return price
  },

  openOrderPopup() {
    const app = getApp()
    if (!app.globalData.user) {
      wx.showToast({
        title: '请先登录',
        icon: 'none'
      })
      return
    }

    const user = app.globalData.user
    this.setData({
      patientName: user.profile?.name || '',
      patientPhone: user.profile?.mobile || '',
      selectedProfileId: '',
      showOrderPopup: true
    })

    this.loadProfiles()
  },

  // 读取已保存的就诊人，供弹窗内一键选择
  loadProfiles() {
    API.healthProfile.getMyProfiles({
        page: 1,
        pageSize: 20
      })
      .then((res) => {
        if (res.code !== 0) {
          return
        }
        const list = ((res.data && res.data.list) || []).map((item) => ({
          _id: item._id,
          name: item.profile?.name || '',
          mobile: item.profile?.mobile || ''
        }))
        this.setData({
          profiles: list
        })
      })
      .catch((err) => {
        console.log('获取就诊人列表失败', err)
      })
  },

  // 选择就诊人：自动带入姓名与联系电话
  onSelectProfile(e) {
    const id = e.currentTarget.dataset.id
    const profile = this.data.profiles.find((item) => item._id === id)
    if (!profile) {
      return
    }

    this.setData({
      selectedProfileId: id,
      patientName: profile.name,
      patientPhone: profile.mobile
    })
  },

  // 跳转到就诊人页新增
  goToAddProfile() {
    wx.navigateTo({
      url: '/pages/health/profileedit'
    })
  },

  closeOrderPopup() {
    this.setData({
      showOrderPopup: false
    })
  },

  // 手动修改姓名/电话后，不再与所选档案对应，清空选择避免存档信息不一致
  onPatientNameChange(e) {
    this.setData({
      patientName: e.detail.value,
      selectedProfileId: ''
    })
  },

  onPatientPhoneChange(e) {
    this.setData({
      patientPhone: e.detail.value,
      selectedProfileId: ''
    })
  },

  onProvinceChange(e) {
    const index = e.detail.value
    const province = this.data.provinces[index]
    this.setData({
      provinceIndex: index,
      province: province
    })
  },

  onHospitalChange(e) {
    this.setData({
      hospital: e.detail.value
    })
  },

  onDepartmentChange(e) {
    this.setData({
      department: e.detail.value
    })
  },

  onDateChange(e) {
    this.setData({
      appointmentDate: e.detail.value
    })
  },

  onTimeChange(e) {
    this.setData({
      appointmentTime: e.detail.value
    })
  },

  onGenderChange(e) {
    const index = e.detail.value
    const gender = this.data.genderOptions[index]
    this.setData({
      genderIndex: index,
      gender: gender
    })
  },

  onRemarkChange(e) {
    this.setData({
      remark: e.detail.value
    })
  },

  submitOrder() {
    const {
      service,
      patientName,
      patientPhone,
      province,
      hospital,
      department,
      appointmentDate,
      appointmentTime,
      gender,
      remark
    } = this.data

    if (!patientName.trim()) {
      wx.showToast({
        title: '请输入就诊人姓名',
        icon: 'none'
      })
      return
    }
    if (!patientPhone.trim()) {
      wx.showToast({
        title: '请输入联系电话',
        icon: 'none'
      })
      return
    }
    if (!hospital.trim()) {
      wx.showToast({
        title: '请输入就诊医院',
        icon: 'none'
      })
      return
    }
    if (!department.trim()) {
      wx.showToast({
        title: '请输入就诊科室',
        icon: 'none'
      })
      return
    }
    if (!appointmentDate) {
      wx.showToast({
        title: '请选择预约日期',
        icon: 'none'
      })
      return
    }
    if (!appointmentTime) {
      wx.showToast({
        title: '请选择预约时间',
        icon: 'none'
      })
      return
    }

    const phoneRegex = /^1[3-9]\d{9}$/
    if (!phoneRegex.test(patientPhone.trim())) {
      wx.showToast({
        title: '请输入正确的手机号',
        icon: 'none'
      })
      return
    }

    const app = getApp()
    const user = app.globalData.user
    let sex = "none"
    if (gender == '男') sex = 'male'
    else if (gender == '女') sex = 'female'

    const orderData = {
      userId: user._id,
      patient: {
        name: patientName.trim(),
        mobile: patientPhone.trim(),
      },
      escort: {
        serviceId: service.id,
        serviceName: service.title,
        sexRequirement: sex
      },
      hospital: {
        province: province,
        name: hospital.trim(),
        department: department.trim(),
      },
      schedule: {
        date: appointmentDate,
        startTime: appointmentTime
      },
      payment: {
        totalFee: service.price
      },
      notes: {
        patientNote: remark.trim()
      }
    }

    // 选择了已保存的就诊人时，一并记录档案 ID
    if (this.data.selectedProfileId) {
      orderData.healthProfileId = this.data.selectedProfileId
    }

    wx.showLoading({
      title: '提交中...'
    })

    API.escort.createRecord(orderData)
      .then((data) => {
        wx.hideLoading()
        if (data.code === 0) {
          wx.showToast({
            title: '下单成功',
            icon: 'success'
          })
          this.setData({
            showOrderPopup: false
          })
          this.resetForm()
          wx.navigateTo({url: '/pages/escort/recordlist?tab=pending'})
        } else {
          wx.showToast({
            title: data.msg || '下单失败',
            icon: 'none'
          })
        }
      })
      .catch((err) => {
        wx.hideLoading()
        wx.showToast({
          title: '网络请求失败',
          icon: 'none'
        })
        console.log('下单失败', err)
      })
  },

  resetForm() {
    this.setData({
      selectedProfileId: '',
      patientName: '',
      patientPhone: '',
      province: '',
      provinceIndex: 0,
      hospital: '',
      department: '',
      appointmentDate: '',
      appointmentTime: '',
      gender: '',
      genderIndex: 0,
      remark: ''
    })
    const totalPrice = this.calculateTotal(this.data.service.price)
    this.setData({
      totalPrice: totalPrice
    })
  },

  onShareAppMessage() {
    const {
      service
    } = this.data
    return {
      title: `${service.title} - 专业陪诊服务`,
      path: `/pages/escort/itemdetail?id=${service.id}`
    }
  }
})