import type { AppDeviceVo, DeviceListItem, RoomTab } from './device.types'
import type { RoomOption } from '@/types/location'
import { sameId } from '@/utils/device-id'

export type LocationMap = Map<string, RoomOption[]>

function resolveLocationName(
  locationId?: string | number,
  locations: RoomOption[] = [],
): string {
  if (locationId == null) return '未分配'
  const matched = locations.find((item) => sameId(item.locationId, locationId))
  return matched?.name ?? '未分配'
}

export function mapDeviceItem(
  device: AppDeviceVo,
  locationMap: LocationMap,
): DeviceListItem {
  const homeKey = device.homeId != null ? String(device.homeId) : ''
  const locations = homeKey ? locationMap.get(homeKey) ?? [] : []
  return {
    ...device,
    locationName: resolveLocationName(device.locationId, locations),
    isOnline: device.status === '1',
    isCharging: device.charging === '1',
  }
}

/** 根据家庭房间位置列表构建首页 Tab（与所在房间页数据源一致） */
export function buildRoomTabs(
  locations: { locationId: string | number; name: string }[],
): RoomTab[] {
  const tabs: RoomTab[] = [{ id: 'all', name: '全部' }]
  for (const location of locations) {
    tabs.push({
      id: String(location.locationId),
      name: location.name,
      locationId: location.locationId,
    })
  }
  return tabs
}

export function filterDevicesByRoom(
  devices: DeviceListItem[],
  activeRoomId: string,
): DeviceListItem[] {
  if (activeRoomId === 'all') return devices
  return devices.filter((item) => sameId(item.locationId, activeRoomId))
}

export function countOnlineDevices(devices: DeviceListItem[]): number {
  return devices.filter((item) => item.isOnline).length
}