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

const STATUS_MAP = {
  pending: { text: '待确认', color: '#F59E0B', bg: '#FEF3C7', gradient: 'linear-gradient(135deg, #F59E0B 0%, #D97706 100%)', icon: 'time', desc: '您的订单已提交，等待确认中' },
  confirmed: { text: '已确认', color: '#3B82F6', bg: '#DBEAFE', gradient: 'linear-gradient(135deg, #3B82F6 0%, #2563EB 100%)', icon: 'check-circle', desc: '订单已确认，陪诊员将准时为您服务' },
  in_progress: { text: '进行中', color: '#8B5CF6', bg: '#EDE9FE', gradient: 'linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%)', icon: 'play-circle', desc: '陪诊服务正在进行中' },
  completed: { text: '已完成', color: '#10B981', bg: '#D1FAE5', gradient: 'linear-gradient(135deg, #10B981 0%, #059669 100%)', icon: 'check-circle-filled', desc: '陪诊服务已完成，感谢您的使用' },
  cancelled: { text: '已取消', color: '#6B7280', bg: '#F3F4F6', gradient: 'linear-gradient(135deg, #9CA3AF 0%, #6B7280 100%)', icon: 'close-circle', desc: '该订单已取消' }
}

const PAYMENT_STATUS_MAP = {
  unpaid: { text: '未支付', color: '#F59E0B', bg: '#FEF3C7' },
  partial: { text: '部分支付', color: '#F59E0B', bg: '#FEF3C7' },
  paid: { text: '已支付', color: '#10B981', bg: '#D1FAE5' },
  refunded: { text: '已退款', color: '#6B7280', bg: '#F3F4F6' }
}

const SEX_MAP = {
  male: '男',
  female: '女'
}

const ATTENDANT_SEX_MAP = {
  none: '不限',
  male: '男',
  female: '女'
}

Page({
  data: {
    recordId: '',
    record: {},
    loading: true,
    editing: false,
    editPatientNote: '',
    editingPatient: false,
    editPatient: {},
    showCancelPopup: false,
    cancelReason: '',
    cancelReasons: [
      '临时有事，无法前往',
      '病情好转，无需陪诊',
      '医院停诊/改期',
      '陪诊员无法到达',
      '其他原因'
    ]
  },

  onLoad(options) {
    const id = options.id
    if (!id) {
      wx.showToast({ title: '参数错误', icon: 'none' })
      setTimeout(() => wx.navigateBack(), 1500)
      return
    }
    this.setData({ recordId: id })
    this.loadRecord(id)
  },

  onShow() {
    if (this.data.recordId) {
      this.loadRecord(this.data.recordId)
    }
  },

  onPullDownRefresh() {
    if (this.data.recordId) {
      this.loadRecord(this.data.recordId).finally(() => {
        wx.stopPullDownRefresh()
      })
    }
  },

  loadRecord(id) {
    this.setData({ loading: true })
    return API.escort.getRecordById(id)
      .then((res) => {
        if (res.code === 0 && res.data) {
          const record = this.formatRecord(res.data.record)
          this.setData({ record })
        } else {
          wx.showToast({ title: res.msg || '加载失败', icon: 'none' })
        }
      })
      .catch(() => {
        wx.showToast({ title: '网络请求失败', icon: 'none' })
      })
      .finally(() => {
        this.setData({ loading: false })
      })
  },

  formatRecord(item) {
    const statusInfo = STATUS_MAP[item.status] || STATUS_MAP.pending
    const paymentInfo = PAYMENT_STATUS_MAP[item.payment?.status] || PAYMENT_STATUS_MAP.unpaid

    return {
      _id: item._id,
      patientName: item.patient?.name || '',
      patientSexText: SEX_MAP[item.patient?.sex] || '',
      patientAge: item.patient?.age || 0,
      patientWeight: item.patient?.weight || 0,
      patientHeight: item.patient?.height || 0,
      patientMobile: item.patient?.mobile || '',
      patientIdnumber: item.patient?.idnumber || '',
      hospitalProvince: item.hospital?.province || '',
      hospitalName: item.hospital?.name || '',
      hospitalAddress: item.hospital?.address || '',
      hospitalDepartment: item.hospital?.department || '',
      hospitalDoctor: item.hospital?.doctor || '',
      medicalRecordNo: item.hospital?.medicalRecordNo || '',
      scheduleDate: item.schedule?.date ? this.formatDate(item.schedule.date) : '',
      scheduleStartTime: item.schedule?.startTime || '',
      scheduleEndTime: item.schedule?.endTime || '',
      scheduleDuration: item.schedule?.duration || 0,
      escortServiceName: item.escort?.serviceName || '',
      attendantName: item.attendant?.name || '',
      attendantSexText: ATTENDANT_SEX_MAP[item.escort?.sexRequirement] || '',
      totalFee: (item.payment?.totalFee || 0).toFixed(2),
      paidFee: (item.payment?.paidFee || 0).toFixed(2),
      paymentStatus: item.payment?.status || 'unpaid',
      paymentStatusText: paymentInfo.text,
      paymentStatusColor: paymentInfo.color,
      paymentStatusBg: paymentInfo.bg,
      patientNote: item.notes?.patientNote || '',
      escortNote: item.notes?.escortNote || '',
      medicalSummary: item.notes?.medicalSummary || '',
      status: item.status,
      statusText: statusInfo.text,
      statusColor: statusInfo.color,
      statusBg: statusInfo.bg,
      statusGradient: statusInfo.gradient,
      statusIcon: statusInfo.icon,
      statusDesc: statusInfo.desc,
      createTime: item.meta?.createtime ? this.formatDateTime(item.meta.createtime) : '',
      updateTime: item.meta?.updatetime ? this.formatDateTime(item.meta.updatetime) : ''
    }
  },

  formatDate(dateStr) {
    const d = new Date(dateStr)
    const year = d.getFullYear()
    const month = String(d.getMonth() + 1).padStart(2, '0')
    const day = String(d.getDate()).padStart(2, '0')
    return `${year}-${month}-${day}`
  },

  formatDateTime(dateStr) {
    const d = new Date(dateStr)
    const year = d.getFullYear()
    const month = String(d.getMonth() + 1).padStart(2, '0')
    const day = String(d.getDate()).padStart(2, '0')
    const hour = String(d.getHours()).padStart(2, '0')
    const minute = String(d.getMinutes()).padStart(2, '0')
    return `${year}-${month}-${day} ${hour}:${minute}`
  },

  onCallPatient() {
    const mobile = this.data.record.patientMobile
    if (!mobile || mobile === '--') return
    wx.makePhoneCall({ phoneNumber: mobile })
  },

  onCallService() {
    wx.makePhoneCall({ phoneNumber: '18618162956' })
  },

  onEditPatientNote() {
    this.setData({
      editing: true,
      editPatientNote: this.data.record.patientNote || ''
    })
  },

  onPatientNoteInput(e) {
    this.setData({ editPatientNote: e.detail.value })
  },

  onCancelEdit() {
    this.setData({ editing: false })
  },

  onSavePatientNote() {
    const note = this.data.editPatientNote.trim()
    wx.showLoading({ title: '保存中...' })
    API.escort.updateRecord(this.data.recordId, {
      'notes.patientNote': note
    })
      .then((res) => {
        wx.hideLoading()
        if (res.code === 0) {
          wx.showToast({ title: '保存成功', icon: 'success' })
          this.setData({
            editing: false,
            'record.patientNote': note
          })
        } else {
          wx.showToast({ title: res.msg || '保存失败', icon: 'none' })
        }
      })
      .catch(() => {
        wx.hideLoading()
        wx.showToast({ title: '网络请求失败', icon: 'none' })
      })
  },

  onEditPatientInfo() {
    const record = this.data.record
    this.setData({
      editingPatient: true,
      editPatient: {
        name: record.patientName || '',
        sex: record.patientSexText === '男' ? 'male' : record.patientSexText === '女' ? 'female' : '',
        age: record.patientAge ? String(record.patientAge) : '',
        weight: record.patientWeight ? String(record.patientWeight) : '',
        height: record.patientHeight ? String(record.patientHeight) : '',
        mobile: record.patientMobile || '',
        idnumber: record.patientIdnumber || ''
      }
    })
  },

  onPatientInfoInput(e) {
    const field = e.currentTarget.dataset.field
    const value = e.detail.value
    this.setData({
      [`editPatient.${field}`]: value
    })
  },

  onPatientSexChange(e) {
    const value = e.currentTarget.dataset.value
    this.setData({
      'editPatient.sex': value
    })
  },

  onCancelEditPatientInfo() {
    this.setData({ editingPatient: false })
  },

  onSavePatientInfo() {
    const patient = this.data.editPatient
    if (!patient.name.trim()) {
      wx.showToast({ title: '请输入姓名', icon: 'none' })
      return
    }
    if (!patient.mobile.trim()) {
      wx.showToast({ title: '请输入联系电话', icon: 'none' })
      return
    }

    wx.showLoading({ title: '保存中...' })
    API.escort.updateRecord(this.data.recordId, {
      'patient.name': patient.name.trim(),
      'patient.sex': patient.sex,
      'patient.age': parseInt(patient.age) || 0,
      'patient.weight': parseFloat(patient.weight) || 0,
      'patient.height': parseFloat(patient.height) || 0,
      'patient.mobile': patient.mobile.trim(),
      'patient.idnumber': patient.idnumber.trim()
    })
      .then((res) => {
        wx.hideLoading()
        if (res.code === 0) {
          wx.showToast({ title: '保存成功', icon: 'success' })
          this.setData({ editingPatient: false })
          this.loadRecord(this.data.recordId)
        } else {
          wx.showToast({ title: res.msg || '保存失败', icon: 'none' })
        }
      })
      .catch(() => {
        wx.hideLoading()
        wx.showToast({ title: '网络请求失败', icon: 'none' })
      })
  },

  onCancelOrder() {
    this.setData({
      showCancelPopup: true,
      cancelReason: ''
    })
  },

  onCloseCancelPopup() {
    this.setData({ showCancelPopup: false })
  },

  onSelectCancelReason(e) {
    this.setData({ cancelReason: e.currentTarget.dataset.reason })
  },

  onConfirmCancel() {
    if (!this.data.cancelReason) {
      wx.showToast({ title: '请选择取消原因', icon: 'none' })
      return
    }

    wx.showLoading({ title: '处理中...' })
    API.escort.updateStatus(this.data.recordId, {
      status: 'cancelled',
      reason: this.data.cancelReason
    })
      .then((res) => {
        wx.hideLoading()
        if (res.code === 0) {
          wx.showToast({ title: '订单已取消', icon: 'success' })
          this.setData({ showCancelPopup: false })
          this.loadRecord(this.data.recordId)
        } else {
          wx.showToast({ title: res.msg || '操作失败', icon: 'none' })
        }
      })
      .catch(() => {
        wx.hideLoading()
        wx.showToast({ title: '网络请求失败', icon: 'none' })
      })
  },

  onPayOrder() {
    wx.showToast({ title: '支付功能开发中', icon: 'none' })
  },

  onConfirmComplete() {
    wx.showModal({
      title: '确认完成',
      content: '确认陪诊服务已完成？',
      confirmColor: '#6B8E7B',
      success: (res) => {
        if (res.confirm) {
          wx.showLoading({ title: '处理中...' })
          API.escort.updateStatus(this.data.recordId, {
            status: 'completed'
          })
            .then((res) => {
              wx.hideLoading()
              if (res.code === 0) {
                wx.showToast({ title: '已确认完成', icon: 'success' })
                this.loadRecord(this.data.recordId)
              } else {
                wx.showToast({ title: res.msg || '操作失败', icon: 'none' })
              }
            })
            .catch(() => {
              wx.hideLoading()
              wx.showToast({ title: '网络请求失败', icon: 'none' })
            })
        }
      }
    })
  },

  onDeleteOrder() {
    wx.showModal({
      title: '删除订单',
      content: '确定要删除该订单吗？删除后不可恢复。',
      confirmColor: '#EF4444',
      success: (res) => {
        if (res.confirm) {
          wx.showLoading({ title: '删除中...' })
          API.escort.deleteRecord(this.data.recordId)
            .then((res) => {
              wx.hideLoading()
              if (res.code === 0) {
                wx.showToast({ title: '删除成功', icon: 'success' })
                setTimeout(() => {
                  wx.navigateBack()
                }, 1500)
              } else {
                wx.showToast({ title: res.msg || '删除失败', icon: 'none' })
              }
            })
            .catch(() => {
              wx.hideLoading()
              wx.showToast({ title: '网络请求失败', icon: 'none' })
            })
        }
      }
    })
  },

  onRebook() {
    const serviceId = this.data.record.escortServiceName
    wx.navigateTo({
      url: `/pages/escort/itemlist`
    })
  },

  onShareAppMessage() {
    return {
      title: '暖橙陪诊 - 专业陪诊服务',
      path: '/pages/home/index'
    }
  }
})