알림목록 백테스팅 차트에서 이동평균선, 일목균형표, 볼린저 그래프 표시

frontend/src/hooks/useSessionCandleOverlayControls.ts

@@ -0,0 +1,56 @@
+import { useCallback, useMemo, useRef, useState, type RefObject } from 'react';
+import type { IndicatorConfig } from '../types';
+import type { ChartManager } from '../utils/ChartManager';
+import type { ChartOverlayToggleKey } from '../utils/chartOverlayVisibility';
+import {
+  applyPaperOverlayVisibility,
+  DEFAULT_PAPER_OVERLAY_VISIBILITY,
+  listPaperOverlayToggleItems,
+  paperOverlayVisibilityToChart,
+  type PaperOverlayToggleKey,
+  type PaperOverlayVisibility,
+} from '../utils/paperChartOverlayVisibility';
+
+/** 알림·백테스트 등 — 캔들 오버레이 표시/숨김 (세션만, DB 미저장) */
+export function useSessionCandleOverlayControls(
+  managerRef: RefObject<ChartManager | null>,
+  baseIndicators: IndicatorConfig[],
+) {
+  const [overlayVisibility, setOverlayVisibility] = useState<PaperOverlayVisibility>(
+    () => ({ ...DEFAULT_PAPER_OVERLAY_VISIBILITY }),
+  );
+  const overlayVisibilityRef = useRef(overlayVisibility);
+  overlayVisibilityRef.current = overlayVisibility;
+
+  const indicators = useMemo(
+    () => applyPaperOverlayVisibility(baseIndicators, overlayVisibility),
+    [baseIndicators, overlayVisibility],
+  );
+
+  const candleOverlayToggles = useMemo(
+    () => listPaperOverlayToggleItems(baseIndicators, overlayVisibility),
+    [baseIndicators, overlayVisibility],
+  );
+
+  const syncToManager = useCallback((mgr: ChartManager) => {
+    mgr.setChartOverlayVisibility(paperOverlayVisibilityToChart(overlayVisibilityRef.current));
+  }, []);
+
+  const handleToggleCandleOverlay = useCallback((key: ChartOverlayToggleKey) => {
+    const pKey = key as PaperOverlayToggleKey;
+    if (!(pKey in DEFAULT_PAPER_OVERLAY_VISIBILITY)) return;
+    setOverlayVisibility(prev => {
+      const nextVisible = !prev[pKey];
+      managerRef.current?.setChartOverlayGroupVisible(key, nextVisible);
+      return { ...prev, [pKey]: nextVisible };
+    });
+  }, [managerRef]);
+
+  return {
+    indicators,
+    candleOverlayToggles,
+    handleToggleCandleOverlay,
+    syncToManager,
+    overlayVisibility,
+  };
+}