import { pageDeviceAlarmLogApi, type Station, type StationAlarmCounts } from '@/apis';
import { LINE_ALARMS_QUERY_KEY } from '@/constants';
import { DeviceType, tryGetDeviceTypeVal } from '@/enums';
import { useAlarmStore, usePollingStore, useStationStore } from '@/stores';
import { runTask } from '@/utils';
import { isCancelledError, useMutation, useQuery } from '@tanstack/vue-query';
import dayjs from 'dayjs';
import { storeToRefs } from 'pinia';
import { computed } from 'vue';

const createEmptyStationAlarmCounts = () => {
  return {
    [DeviceType.AlarmHost]: 0,
    [DeviceType.Camera]: 0,
    [DeviceType.Decoder]: 0,
    [DeviceType.Keyboard]: 0,
    [DeviceType.MediaServer]: 0,
    [DeviceType.Nvr]: 0,
    [DeviceType.SecurityBox]: 0,
    [DeviceType.Switch]: 0,
    [DeviceType.VideoServer]: 0,
    unclassified: 0,
  };
};

export function useLineAlarmsQuery() {
  const stationStore = useStationStore();
  const { stationList } = storeToRefs(stationStore);
  const pollingStore = usePollingStore();
  const { alarmQueryStamp } = storeToRefs(pollingStore);
  const { mutateAsync: getStationAlarmCounts } = useStationAlarmCountsMutation();

  return useQuery({
    queryKey: [LINE_ALARMS_QUERY_KEY, alarmQueryStamp],
    enabled: computed(() => alarmQueryStamp.value > 0),
    staleTime: Infinity,
    refetchOnMount: false,
    refetchOnReconnect: false,
    refetchOnWindowFocus: false,
    queryFn: async ({ signal }) => {
      console.time('useLineALarmCountsQuery');
      for (const station of stationList.value) {
        await getStationAlarmCounts({ station, signal }).catch(() => {});
      }
      console.timeEnd('useLineALarmCountsQuery');
      // pollingStore.updateAlarmQueryUpdatedAt();
      return null;
    },
  });
}

interface StationAlarmCountsMutationParams {
  station: Station;
  signal?: AbortSignal;
}

function useStationAlarmCountsMutation() {
  const lineAlarmsStore = useAlarmStore();
  const { lineAlarmCounts } = storeToRefs(lineAlarmsStore);

  return useMutation<StationAlarmCounts, Error, StationAlarmCountsMutationParams>({
    mutationFn: async ({ station, signal }) => {
      const stationAlarmCounts = createEmptyStationAlarmCounts();
      if (!station.online) {
        return stationAlarmCounts;
      }
      const now = dayjs();
      const todayStart = now.startOf('date').valueOf();
      const todayEnd = now.endOf('date').valueOf();
      const { records: alarmList, total } = await pageDeviceAlarmLogApi(
        {
          model: {
            stationCode: station.code,
          },
          extra: {
            alarmDate_ge: todayStart,
            alarmDate_le: todayEnd,
          },
          size: 50000,
          current: 1,
          sort: 'id',
          order: 'descending',
        },
        {
          stationCode: station.code,
          signal,
        },
      );
      for (const alarm of alarmList) {
        const deviceTypeVal = tryGetDeviceTypeVal(alarm.deviceType);
        if (deviceTypeVal) {
          stationAlarmCounts[deviceTypeVal]++;
        }
      }
      stationAlarmCounts.unclassified = parseInt(total);
      return stationAlarmCounts;
    },
    onSuccess: (stationAlarmCounts, { station }) => {
      runTask(() => {
        lineAlarmCounts.value[station.code] = stationAlarmCounts;
      });
    },
    onError: (error, { station }) => {
      if (!isCancelledError(error)) {
        console.error(`获取车站 ${station.name} 设备告警数据失败:`, error);
        lineAlarmCounts.value[station.code] = createEmptyStationAlarmCounts();
        throw error;
      }
    },
  });
}