import { ref } from "vue";
import { defineStore } from "pinia";
import dayjs from "dayjs";
import type {
  NiagaraElecData,
  ElecCostSummary,
  ElecStandCostSummary,
} from "../utils/types";
import { CalcuEleCost, CalcuEleStandCost } from "../utils/CalcuEleCost";

const useElecStore = defineStore("elecData", () => {
  const elecData = ref<NiagaraElecData[]>([]);
  // @ts-ignore
  let timerId = null;
  const elecFlowCostSummary = ref<ElecCostSummary | null>(null);
  const elecStandCostSummary = ref<ElecStandCostSummary | null>(null);

  // get data from baja
  const getElecDataFromBaja = () => {
    // @ts-ignore
    window.require &&
      // @ts-ignore
      window.requirejs(["baja!"], (baja: any) => {
        console.log("進入 bajaSubscriber 準備執行用電度數 BQL 訂閱");

        // 定義BQL 查詢
        const Total_kwhBql = `local:|foxs:4918|station:|neql:EMS:Total_kwh|bql:select slotPath,parent.displayName,displayName,NumericInterval.historyConfig.id,out`;

        // 執行各電表的 BQL 查詢
        fetchElecData(baja, Total_kwhBql);
      });
  };

  const fetchElecData = (baja: any, bql: string) => {
    let eleclist: NiagaraElecData[] = [];
    baja.Ord.make(bql).get({
      cursor: {
        before: () => {},
        each: (record: any) => {
          eleclist.push({
            slotPath: record.get("slotPath"),
            displayName: record.get("parent$2edisplayName"),
            id: record.get("NumericInterval$2ehistoryConfig$2eid"),
            out: record.get("out")?.get("value") ?? null,
          });
        },
        after: () => {
          const validElecList = eleclist.filter(
            (item) => item.id !== undefined
          );
          elecData.value = [];
          elecData.value.push(...validElecList);
          validElecList.forEach((item) => {
            gettimeToHistory(item);
          });
        },
      },
    });
  };

  const gettimeToHistory = (item: NiagaraElecData) => {
    const id = item.id;
    const startTime = dayjs(
      `${dayjs().year()}-01-01T00:00:00.000+08:00`
    ).format("YYYY-MM-DDTHH:mm:ss.000+08:00");
    const endTime = dayjs().format("YYYY-MM-DDTHH:mm:ss.000+08:00");

    const ordString = `local:|foxs:4918|history:${id}?period=timerange;;start=${startTime};end=${endTime}|bql:history:HistoryRollup.rollup(baja:RelTime '3600000')`; //每小时一个rollup
    console.log(ordString);
    // @ts-ignore
    window.require &&
      // @ts-ignore
      window.requirejs(["baja!"], (baja: any) => {
        console.log("進入 bajaSubscriber 準備執行 BQL 訂閱");
        const dataMap = new Map<string, number>(); // key: timestamp string, value: energy diff
        let lastTimestamp: string | null = null;
        let lastValue: number | null = null;
        baja.Ord.make(ordString).get({
          cursor: {
            before: () => {
              console.log(`開始訂閱 ${id} 的歷史資料`);
            },
            each: (record: any) => {
              const currentValue = record.get("min");
              const timestamp = record.get("timestamp").$cEncStr;
              if (
                currentValue !== null &&
                !isNaN(currentValue) &&
                currentValue !== 0 &&
                timestamp !== null
              ) {
                if (
                  lastTimestamp !== null &&
                  lastValue !== null &&
                  lastValue !== 0
                ) {
                  const diff = currentValue - lastValue;
                  dataMap.set(lastTimestamp, diff);
                }
                lastValue = currentValue;
                lastTimestamp = timestamp;
              }
            },
            after: () => {
              console.log("⏱️ 每小時差值 map：", dataMap);
              elecFlowCostSummary.value = CalcuEleCost(dataMap);
              elecStandCostSummary.value = CalcuEleStandCost(dataMap);
            },
            limit: -1,
            offset: 0,
          },
        });
      });
  };

  // 定時更新資料的函數
  const updateHistoryData = () => {
    console.log("定時器觸發，重新獲取歷史資料");
    if (elecData.value && elecData.value.length > 0) {
      elecData.value.forEach((item) => {
        gettimeToHistory(item);
      });
    }
  };

  // 啟動定時器
  const startTimer = () => {
    timerId = setInterval(() => {
      updateHistoryData();
    }, 60 * 60 * 1000); // 每小時執行一次
  };

  // 停止定時器
  const stopTimer = () => {
    // @ts-ignore
    if (timerId) {
      clearInterval(timerId);
      timerId = null;
      console.log("計時器已停止");
    }
  };
  return {
    getElecDataFromBaja,
    startTimer,
    stopTimer,
    elecData,
    elecFlowCostSummary,
    elecStandCostSummary,
  };
});

export default useElecStore;