---

import { Intervals, MoexChart, Timeframes } from 'moex-chart';
import { useCallback, useEffect, useRef, useState } from 'react';

import { useChangeProperties, useSelectProperties } from '@modules/widgetProperties';
import { WidgetProperties } from '@widgets/Chart/properties/types';
import { ChartIndicativeData } from '@widgets/Chart/types';

import { MOEX_CHART_CONFIG } from '../constants';
import { DataSourceProvider } from '../dataSourceProvide';

import type { __CompareManager__, IMoexChart, SymbolInfoInput } from 'moex-chart';

interface TUseMoexChartProps {
  symbolInfo: SymbolInfoInput;
  indicativeData?: ChartIndicativeData;
}

export const useMoexChart = ({ symbolInfo, indicativeData }: TUseMoexChartProps) => {
  const moexChartState = useSelectProperties(
    (widgetProperties: Partial<WidgetProperties>) => widgetProperties.moexChartState,
  );

  const { updateProperties } = useChangeProperties<WidgetProperties>();

  const [isCompareOpen, setIsCompareOpen] = useState(false);
  const [isSymbolSearchOpen, setIsSymbolSearchOpen] = useState(false);

  const containerRef = useRef<HTMLDivElement | null>(null);
  const chartRef = useRef<MoexChart | null>(null);
  const compareManagerRef = useRef<__CompareManager__ | null>(null);

  const currentSymbolInfoRef = useRef<SymbolInfoInput>(symbolInfo);
  const timeframeRef = useRef<Timeframes | undefined>(moexChartState?.timeframe);
  const savedDataRef = useRef<string | undefined>(moexChartState?.savedData);
  const initialIntervalRef = useRef<Intervals | undefined>(moexChartState?.initialInterval);
  const updateTimeframeRef = useRef<((timeframe: Timeframes) => void) | null>(null);

  useEffect(() => {
    const currentSymbolInfo = currentSymbolInfoRef.current;

    if (
      currentSymbolInfo.symbolId === symbolInfo.symbolId &&
      currentSymbolInfo.symbol === symbolInfo.symbol &&
      currentSymbolInfo.symbolName === symbolInfo.symbolName
    ) {
      return;
    }

    currentSymbolInfoRef.current = symbolInfo;
    chartRef.current?.setSymbol(symbolInfo);
  }, [symbolInfo]);

  useEffect(() => {
    timeframeRef.current = moexChartState?.timeframe;
    savedDataRef.current = moexChartState?.savedData;
  }, [moexChartState?.savedData, moexChartState?.timeframe]);

  updateTimeframeRef.current = (timeframe: Timeframes): void => {
    if (timeframeRef.current === timeframe) {
      return;
    }

    timeframeRef.current = timeframe;

    updateProperties((state) => {
      state.moexChartState = {
        ...state.moexChartState,
        timeframe,
      };
    });
  };

  const saveSnapshot = useCallback((): void => {
    const snapshot = chartRef.current?.getSnapshot();

    if (!snapshot) {
      return;
    }

    const savedData = JSON.stringify(snapshot);

    if (savedDataRef.current === savedData) {
      return;
    }

    savedDataRef.current = savedData;

    updateProperties((state) => {
      state.moexChartState = {
        ...state.moexChartState,
        timeframe: timeframeRef.current ?? Timeframes['1m'],
        savedData,
      };
    });
  }, [updateProperties]);

  const getSnapshotWithCurrentSettings = (
    snapshot: typeof MOEX_CHART_CONFIG.snapshot | IMoexChart['snapshot'],
    timeframe: Timeframes,
    initialInterval?: Intervals,
  ): IMoexChart['snapshot'] => ({
    ...snapshot,
    charts: snapshot.charts.map((chartSnapshot) => ({
      ...chartSnapshot,
      ...currentSymbolInfoRef.current,
      timeframe,
      ...(initialInterval ? { interval: initialInterval } : {}),
    })),
  });

  const applySnapshot = (): void => {
    if (!savedDataRef.current || !chartRef.current) {
      return;
    }

    const savedSnapshot = JSON.parse(savedDataRef.current) as IMoexChart['snapshot'];
    const timeframe = timeframeRef.current ?? Timeframes['1m'];

    chartRef.current.setSnapshot(getSnapshotWithCurrentSettings(savedSnapshot, timeframe));
    compareManagerRef.current = chartRef.current.getCompareManager();
  };

  useEffect(() => {
    const container = containerRef.current;

    if (!container) {
      return undefined;
    }

    const timeframe = timeframeRef.current ?? Timeframes['1m'];
    const initialInterval = initialIntervalRef.current;

    const savedSnapshot = savedDataRef.current
      ? (JSON.parse(savedDataRef.current) as IMoexChart['snapshot'])
      : MOEX_CHART_CONFIG.snapshot;

    const dataProvider = new DataSourceProvider();

    const chart = new MoexChart({
      ...MOEX_CHART_CONFIG,
      container,
      snapshot: getSnapshotWithCurrentSettings(savedSnapshot, timeframe, initialInterval),
      chartCollectionPreset: {
        ...MOEX_CHART_CONFIG.chartCollectionPreset,
        openCompareModal: () => setIsCompareOpen(true),
        openSymbolSearchModal: () => setIsSymbolSearchOpen(true),
        getDataSource: dataProvider.getDataSource(indicativeData, (nextTimeframe) => {
          updateTimeframeRef.current?.(nextTimeframe);
        }),
        startRealtime: (getSymbols, getTimeframe, update) =>
          dataProvider.startRealtime({
            getSymbols,
            getTimeframe,
            update,
            indicativeData,
          }),
      },
    });

    chartRef.current = chart;
    compareManagerRef.current = chart.getCompareManager();

    if (initialInterval) {
      initialIntervalRef.current = undefined;

      updateProperties((state) => {
        state.moexChartState = {
          ...state.moexChartState,
          initialInterval: undefined,
        };
      });
    }

    const intervalId = setInterval(() => {
      saveSnapshot();
    }, 1000);

    return () => {
      clearInterval(intervalId);
      saveSnapshot();

      chartRef.current = null;
      compareManagerRef.current = null;
      chart.destroy();
    };

    // eslint-disable-next-line react-hooks/exhaustive-deps -- график пересоздаётся только при изменении источника индикативных данных
  }, [indicativeData?.key]);

  return {
    containerRef,
    isCompareOpen,
    isSymbolSearchOpen,
    compareManagerRef,
    setIsCompareOpen,
    setIsSymbolSearchOpen,
    saveSnapshot,
    applySnapshot,
    hasSavedSnapshot: Boolean(moexChartState?.savedData),
  };
};



import React from 'react';

import { SymbolSearchModal } from '@widgets/Chart/components/MoexChart/components/SymbolSearchModal';

import { CompareModal } from './components/CompareModal';
import { useMoexChart } from './hooks';

import type { ChartIndicativeData, SelectedInstrument } from '../../types';

import type { SymbolInfoInput } from 'moex-chart';

import 'moex-chart/dist/styles.css';

interface TRProps {
  symbolInfo: SymbolInfoInput;
  indicativeData?: ChartIndicativeData;
  widgetId: number;
  addInstrumentFromModal: (instruments: SelectedInstrument[]) => void;
}

function MoexChart({ symbolInfo, indicativeData, widgetId, addInstrumentFromModal }: TRProps) {
  const {
    containerRef,
    isCompareOpen,
    isSymbolSearchOpen,
    compareManagerRef,
    setIsCompareOpen,
    setIsSymbolSearchOpen,
  } = useMoexChart({
    symbolInfo,
    indicativeData,
  });

  const handleSymbolChange = (instrument: SelectedInstrument): void => {
    addInstrumentFromModal([instrument]);
  };

  return (
    <div
      style={{
        flex: '1 1 0',
        minHeight: 0,
        minWidth: 0,
      }}
    >
      <div ref={containerRef} />

      {isCompareOpen && (
        <CompareModal
          compareManager={compareManagerRef}
          widgetId={widgetId}
          isOpen={isCompareOpen}
          setOpen={setIsCompareOpen}
        />
      )}

      {isSymbolSearchOpen && (
        <SymbolSearchModal
          widgetId={widgetId}
          isOpen={isSymbolSearchOpen}
          setOpen={setIsSymbolSearchOpen}
          onSymbolChange={handleSymbolChange}
        />
      )}
    </div>
  );
}

export default React.memo(MoexChart);



import { DateFormat, IndicatorsIds, Locale, Timeframes } from 'moex-chart';

import type { ChartCollectionPreset, IMoexChart, MoexChartSnapshotInput } from 'moex-chart';

type ChartCollectionPresetConfig = Omit<ChartCollectionPreset, 'getDataSource' | 'startRealtime'>;
type ChartSnapshotConfig = Omit<MoexChartSnapshotInput['charts'][number], 'symbolId'>;
type MoexChartSnapshotConfig = Omit<MoexChartSnapshotInput, 'charts'> & {
  charts: ChartSnapshotConfig[];
};

type MoexChartConfig = Omit<IMoexChart, 'container' | 'chartCollectionPreset' | 'snapshot'> & {
  snapshot: MoexChartSnapshotConfig;
  chartCollectionPreset: ChartCollectionPresetConfig;
};

const MOEX_CHART_CONFIG: MoexChartConfig = {
  snapshot: {
    charts: [
      {
        chartSeriesType: 'Candlestick',
        timeframe: Timeframes['10s'],
        timeFormat: '24h',
        dateFormat: DateFormat.DD_MM_YYYY_HH_mm_ss,
        panes: [
          {
            isMain: true,
            id: 0,
            indicators: [
              {
                indicatorType: IndicatorsIds.Volume,
              },
            ],
            drawings: [],
          },
        ],
      },
    ],
  },

  chartCollectionPreset: {
    undoRedoEnabled: true,
    showMenuButton: true,
    showBottomPanel: true,
    showControlBar: true,
    showFullscreenButton: true,
    showSettingsButton: true,
    showCompareButton: true,
    tooltipConfig: {
      showTooltip: false,
      time: { visible: true, label: 'Время' },
      close: { visible: true, label: 'Закр.' },
      change: { visible: true, label: 'Изм.' },
      volume: { visible: true, label: 'Объем' },
      open: { visible: true, label: 'Откр.' },
      high: { visible: true, label: 'Макс.' },
      low: { visible: true, label: 'Мин.' },
    },

    supportedTimeframes: [
      Timeframes['1m'],
      Timeframes['5m'],
      Timeframes['10m'],
      Timeframes['15m'],
      Timeframes['30m'],
      Timeframes['45m'],
      Timeframes['1h'],
      Timeframes['4h'],
      Timeframes['1d'],
      Timeframes['1w'],
      Timeframes['1М'],
    ],
    supportedChartSeriesTypes: ['Candlestick', 'Line', 'Bar'],
    theme: 'tr',
    ohlc: {
      show: true,
      precision: 4,
    },
    mode: 'dark',
    locale: Locale.rus,
  },

  lwcInheritedChartOptions: {
    timeVisible: true,
    secondsVisible: false,
  },
};

export { MOEX_CHART_CONFIG };



import React, { FC, lazy, useContext, useState } from 'react';

import { DNDWrapper } from '@components/DNDWrapper';
import { InstrumentSearch } from '@components/InstrumentSearch';
import WidgetContentWrapper from '@components/WidgetContentWrapper';
import WidgetHeader from '@components/WidgetHeader';
import { useDropInstrument } from '@hooks/dnd';

import { WidgetEnvContext } from '@terminal/desktop/workspaces/default/components/Widget/context';
import { useWidgetHeaderName } from '@utils/useWidgetName';

import useChartComponentFacade from './hooks/useChartComponentFacade';

import type { ChartContainerProps } from './types';

const MoexChart = lazy(() => import('./components/MoexChart/MoexChart'));

export const Chart: FC<ChartContainerProps> = function (props): JSX.Element {
  const indicativeData = props.widgetContentProps?.indicativeData;

  const {
    dropDownOpen,
    setDropdownOpen,
    currentSymbolInfo,
    setIsWidgetHeaderContextMenuOpen,
    isWidgetHeaderContextMenuOpen,
    onDropInstrument,
    addInstrumentFromModal,
    isOver,
  } = useChartComponentFacade(props);

  /* на дроп обновляем название бумаги в сторе
    и делаем апдейт на бэк, чтобы сохранить изменения
    при обновлении страницы */
  const { dropRef } = useDropInstrument((dragData) => {
    onDropInstrument(dragData.properties.issKey, true);
  });

  const [isOpenEmptyAction, setIsOpenEmptyAction] = useState<boolean>(false);

  const openInstrumentModal = () => {
    setIsOpenEmptyAction(true);
    setIsWidgetHeaderContextMenuOpen(false);
  };

  // TODO: Зависит от сеток
  const { isDraggedOver } = useContext(WidgetEnvContext);
  const contractsInstrumentName = useWidgetHeaderName(currentSymbolInfo.symbolId);

  const symbolInfo = indicativeData
    ? {
        symbolId: indicativeData.key,
        symbol: indicativeData.secId,
        symbolName: `${indicativeData.instrumentName} ${indicativeData.settlement} - ${indicativeData.firmName}`,
      }
    : currentSymbolInfo;

  const instrumentName = symbolInfo.symbolName || contractsInstrumentName || symbolInfo.symbol || symbolInfo.symbolId;

  return (
    <DNDWrapper
      ref={dropRef}
      isOver={isOver}
      canDrop
    >
      <WidgetHeader
        {...props}
        dropdownOpen={dropDownOpen}
        setDropdownOpen={setDropdownOpen}
        handlerSaveAsExcel={null}
        addToWidgetNamePrefix={instrumentName}
        setIsOpenContextMenuFromWidget={setIsWidgetHeaderContextMenuOpen}
        isOpenContextMenuFromWidget={isWidgetHeaderContextMenuOpen}
        openInstrumentsModal={openInstrumentModal}
      />
      <WidgetContentWrapper {...props}>
        <div
          style={{
            display: 'flex',
            flexDirection: 'column',
            height: '100%',
            pointerEvents: isDraggedOver ? 'none' : 'inherit',
          }}
        >
          <MoexChart
            symbolInfo={symbolInfo}
            indicativeData={indicativeData}
            widgetId={props.widgetId}
            addInstrumentFromModal={addInstrumentFromModal}
          />

          {isOpenEmptyAction && (
            <InstrumentSearch
              setOpen={setIsOpenEmptyAction}
              isOpen={isOpenEmptyAction}
              variant="single"
              widgetId={props.widgetId}
              // withNRD={false}
              addInstruments={addInstrumentFromModal}
            />
          )}
        </div>
      </WidgetContentWrapper>
    </DNDWrapper>
  );
};