가상투자 종목카드박스 레이아웃 수정

frontend/src/utils/priceExtremeIndicators.ts

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+/** 신고가·신저가 — 단일(보조) 지표: 종가/고가 vs 직전 N봉 최고·최저 */
+import type { ConditionDSL } from './strategyTypes';
+import { parseDonchianPeriod } from './compositeIndicators';
+
+export function isPriceExtremeIndicator(ind?: string): boolean {
+  return ind === 'NEW_HIGH' || ind === 'NEW_LOW';
+}
+
+export function nhPriorField(period: number): string {
+  return `NH_PRIOR_${Math.max(1, Math.round(period))}`;
+}
+
+export function nlPriorField(period: number): string {
+  return `NL_PRIOR_${Math.max(1, Math.round(period))}`;
+}
+
+export function parsePriorExtremePeriod(field?: string): number | null {
+  if (!field) return null;
+  const m = field.match(/^(?:NH|NL)_PRIOR_(\d+)$/);
+  if (m) {
+    const n = parseInt(m[1], 10);
+    return Number.isFinite(n) && n > 0 ? n : null;
+  }
+  return parseDonchianPeriod(field);
+}
+
+export function priorExtremeField(ind: string, period: number): string {
+  return ind === 'NEW_LOW' ? nlPriorField(period) : nhPriorField(period);
+}
+
+/** 단일 지표 — 기간에 맞춰 직전 N봉 신고가/신저가선 필드 동기화 */
+export function syncPriceExtremeSimpleFields(cond: ConditionDSL): ConditionDSL {
+  if (!isPriceExtremeIndicator(cond.indicatorType)) return cond;
+  const period = cond.period
+    ?? parsePriorExtremePeriod(cond.rightField)
+    ?? parsePriorExtremePeriod(cond.leftField)
+    ?? 9;
+  const p = Math.max(1, Math.min(500, Math.round(period)));
+  const band = priorExtremeField(cond.indicatorType, p);
+  const priceFields = new Set(['CLOSE_PRICE', 'HIGH_PRICE', 'LOW_PRICE', 'OPEN_PRICE']);
+  let leftField = cond.leftField;
+  let rightField = cond.rightField;
+  if (cond.indicatorType === 'NEW_HIGH') {
+    leftField = leftField && priceFields.has(leftField) ? leftField : 'CLOSE_PRICE';
+    rightField = band;
+  } else {
+    leftField = leftField && priceFields.has(leftField) ? leftField : 'CLOSE_PRICE';
+    rightField = band;
+  }
+  return {
+    ...cond,
+    composite: false,
+    period: p,
+    leftPeriod: undefined,
+    rightPeriod: undefined,
+    leftCandleType: undefined,
+    rightCandleType: undefined,
+    leftField,
+    rightField,
+  };
+}
+
+/** 저장 DSL — 복합지표 승격·DC_UPPER_N 필드를 단일 신고가/신저가로 정규화 */
+export function migratePriceExtremeCondition(cond: ConditionDSL): ConditionDSL {
+  const ind = cond.indicatorType;
+  if (!isPriceExtremeIndicator(ind)) return cond;
+
+  if (cond.composite && isPriceExtremeIndicator(ind)) {
+    const period = cond.leftPeriod ?? cond.rightPeriod ?? 9;
+    const priceFields = new Set(['CLOSE_PRICE', 'HIGH_PRICE', 'LOW_PRICE', 'OPEN_PRICE']);
+    const leftField = cond.leftField && priceFields.has(cond.leftField)
+      ? cond.leftField
+      : 'CLOSE_PRICE';
+    return syncPriceExtremeSimpleFields({
+      ...cond,
+      composite: false,
+      leftField,
+      period,
+      conditionType: cond.conditionType === 'CROSS_UP' ? 'GTE'
+        : cond.conditionType === 'CROSS_DOWN' ? 'LTE'
+          : cond.conditionType,
+    });
+  }
+
+  if (!isPriceExtremeIndicator(ind)) return cond;
+
+  const fromRight = parsePriorExtremePeriod(cond.rightField);
+  const fromLeft = parsePriorExtremePeriod(cond.leftField);
+  const period = cond.period ?? fromRight ?? fromLeft ?? 9;
+  let migrated = syncPriceExtremeSimpleFields({ ...cond, period });
+
+  if (migrated.rightField?.startsWith('DC_UPPER_') || migrated.rightField?.startsWith('DC_LOWER_')) {
+    migrated = syncPriceExtremeSimpleFields({
+      ...migrated,
+      period: parseDonchianPeriod(migrated.rightField) ?? period,
+    });
+  }
+
+  if (migrated.conditionType === 'CROSS_UP' && ind === 'NEW_HIGH') {
+    migrated = { ...migrated, conditionType: 'GTE' };
+  }
+  if (migrated.conditionType === 'CROSS_DOWN' && ind === 'NEW_LOW') {
+    migrated = { ...migrated, conditionType: 'LTE' };
+  }
+
+  return migrated;
+}
+
+export function priceExtremePeriodLabel(ind: string, period: number): string {
+  return ind === 'NEW_LOW' ? `${period}일 신저가선` : `${period}일 신고가선`;
+}