const { request, ensureLogin, cents } = require('../../utils/api.js')

const managerRoles = ['STAFF', 'STORE_ADMIN', 'TENANT_ADMIN', 'PLATFORM_ADMIN']
const roomStatusLabels = {
  AVAILABLE: '空闲',
  MAINTENANCE: '维护中',
  RESERVED: '已预订',
  IN_USE: '使用中',
  CLEANING_REQUIRED: '待清洁',
}
const orderStatusLabels = {
  DRAFT: '草稿',
  PENDING_PAYMENT: '待支付',
  PAID: '已支付',
  RESERVED: '待开始',
  IN_PROGRESS: '进行中',
  FINISHED: '已结束',
  CANCELLED: '已取消',
  REFUNDING: '退款中',
  REFUNDED: '已退款',
  CLOSED: '已关闭',
}

Page({
  data: {
    loading: false,
    errorMessage: '',
    canWrite: false,
    stores: [],
    selectedStoreId: '',
    selectedStoreName: '',
    rooms: [],
    orders: [],
    visibleOrders: [],
    busyRoomId: '',
    summary: {
      roomTotal: 0,
      available: 0,
      inUse: 0,
      attention: 0,
      activeOrders: 0,
    },
  },

  async onLoad() {
    await this.loadDashboard()
  },

  async onPullDownRefresh() {
    await this.loadDashboard(this.data.selectedStoreId)
    wx.stopPullDownRefresh()
  },

  async loadDashboard(preferredStoreId = '') {
    this.setData({ loading: true, errorMessage: '' })
    try {
      await ensureLogin()
      const me = await request('/auth/me')
      const access = me.data?.access || { roles: [], capabilities: [], storeIds: [] }
      if (!access.roles.some((role) => managerRoles.includes(role))) {
        throw new Error('当前账号没有门店运营权限')
      }
      const [storesResponse, ordersResponse] = await Promise.all([
        request('/management/stores'),
        request('/orders?page=1&pageSize=50'),
      ])
      const stores = storesResponse.data || []
      const selectedStoreId = stores.some((store) => store.id === preferredStoreId)
        ? preferredStoreId
        : (stores[0]?.id || '')
      this.setData({
        canWrite: access.capabilities.includes('store.operation.write')
          || access.capabilities.includes('tenant.manage')
          || access.roles.includes('PLATFORM_ADMIN'),
        stores,
        orders: (ordersResponse.data?.items || []).map((item) => this.presentOrder(item)),
        selectedStoreId,
        selectedStoreName: stores.find((store) => store.id === selectedStoreId)?.name || '',
      })
      await this.loadRooms(selectedStoreId)
    } catch (error) {
      this.setData({ errorMessage: error.message || '门店运营数据加载失败' })
    } finally {
      this.setData({ loading: false })
    }
  },

  async selectStore(event) {
    const storeId = event.currentTarget.dataset.storeId
    if (!storeId || storeId === this.data.selectedStoreId) return
    const store = this.data.stores.find((item) => item.id === storeId)
    this.setData({ selectedStoreId: storeId, selectedStoreName: store?.name || '' })
    await this.loadRooms(storeId)
  },

  async loadRooms(storeId) {
    if (!storeId) {
      this.setData({ rooms: [], visibleOrders: [] })
      this.refreshSummary()
      return
    }
    try {
      const response = await request(`/management/stores/${encodeURIComponent(storeId)}/rooms`)
      const rooms = (response.data || []).map((item) => ({
        ...item,
        statusText: roomStatusLabels[item.operationalStatus] || item.operationalStatus,
        priceText: cents(item.basePriceCents),
      }))
      this.setData({
        rooms,
        visibleOrders: this.data.orders.filter((item) => item.storeId === storeId),
      })
      this.refreshSummary()
    } catch (error) {
      this.setData({ errorMessage: error.message || '房态加载失败' })
    }
  },

  refreshSummary() {
    const rooms = this.data.rooms
    const activeStatuses = ['PAID', 'RESERVED', 'IN_PROGRESS']
    this.setData({
      summary: {
        roomTotal: rooms.length,
        available: rooms.filter((item) => item.configurationStatus === 'ENABLED' && item.operationalStatus === 'AVAILABLE').length,
        inUse: rooms.filter((item) => ['RESERVED', 'IN_USE'].includes(item.operationalStatus)).length,
        attention: rooms.filter((item) => item.configurationStatus === 'DISABLED' || ['MAINTENANCE', 'CLEANING_REQUIRED'].includes(item.operationalStatus)).length,
        activeOrders: this.data.visibleOrders.filter((item) => activeStatuses.includes(item.status)).length,
      },
    })
  },

  changeRoomStatus(event) {
    if (!this.data.canWrite) return
    const roomId = event.currentTarget.dataset.roomId
    wx.showActionSheet({
      itemList: ['设为空闲', '设为维护中', '设为待清洁'],
      success: ({ tapIndex }) => {
        const statuses = ['AVAILABLE', 'MAINTENANCE', 'CLEANING_REQUIRED']
        this.updateRoomStatus(roomId, { operationalStatus: statuses[tapIndex] }, '管理员小程序调整房态')
      },
    })
  },

  toggleRoomConfiguration(event) {
    if (!this.data.canWrite) return
    const roomId = event.currentTarget.dataset.roomId
    const current = event.currentTarget.dataset.status
    const configurationStatus = current === 'ENABLED' ? 'DISABLED' : 'ENABLED'
    this.updateRoomStatus(roomId, { configurationStatus }, configurationStatus === 'ENABLED' ? '管理员小程序启用房间' : '管理员小程序停用房间')
  },

  async updateRoomStatus(roomId, status, reason) {
    if (!roomId || this.data.busyRoomId) return
    this.setData({ busyRoomId: roomId, errorMessage: '' })
    try {
      await request(`/management/rooms/${encodeURIComponent(roomId)}/status`, {
        method: 'PATCH',
        data: { storeId: this.data.selectedStoreId, ...status, reason },
      })
      await this.loadRooms(this.data.selectedStoreId)
      wx.showToast({ title: '房态已更新', icon: 'success' })
    } catch (error) {
      this.setData({ errorMessage: error.message || '房态更新失败' })
    } finally {
      this.setData({ busyRoomId: '' })
    }
  },

  openOrder(event) {
    const orderId = event.currentTarget.dataset.orderId
    if (!orderId) return
    wx.navigateTo({ url: `/pages/orders/detail?orderId=${encodeURIComponent(orderId)}` })
  },

  presentOrder(item) {
    return {
      ...item,
      statusText: orderStatusLabels[item.status] || item.status,
      amountText: cents(item.paidAmountCents || item.totalAmountCents),
      timeText: `${this.formatTime(item.startAt)} - ${this.formatTime(item.endAt)}`,
    }
  },

  formatTime(value) {
    const date = new Date(value)
    if (Number.isNaN(date.getTime())) return String(value || '')
    const pad = (part) => String(part).padStart(2, '0')
    return `${pad(date.getMonth() + 1)}-${pad(date.getDate())} ${pad(date.getHours())}:${pad(date.getMinutes())}`
  },
})