import type { BacktestSettingsDto } from './backendApi';

export type TradeExecutionMode = 'SCAN_SIGNALS' | 'BACKTEST_ENGINE';

export const TRADE_EXECUTION_MODE_OPTIONS: {
  value: TradeExecutionMode;
  label: string;
  desc: string;
}[] = [
  {
    value: 'BACKTEST_ENGINE',
    label: '백테스트 엔진 (슬리피지·리스크 반영)',
    desc: '슬리피지, 손절/익절, 진입/청산가 기준. 실제 수익률 분석에 가깝습니다.',
  },
  {
    value: 'SCAN_SIGNALS',
    label: '조건 스캔 (현재가·DSL 충족)',
    desc: '차트 마커·조건 패널과 동일. 시그널 시점 현재가 기준 체결.',
  },
];

export function normalizeTradeExecutionMode(
  value?: string | null,
): TradeExecutionMode {
  return value === 'SCAN_SIGNALS' ? 'SCAN_SIGNALS' : 'BACKTEST_ENGINE';
}

export function isScanSignalsExecutionMode(
  settings?: Pick<BacktestSettingsDto, 'tradeExecutionMode'> | null,
): boolean {
  return normalizeTradeExecutionMode(settings?.tradeExecutionMode) === 'SCAN_SIGNALS';
}

export function tradeExecutionModeLabel(mode?: string | null): string {
  const normalized = normalizeTradeExecutionMode(mode);
  return TRADE_EXECUTION_MODE_OPTIONS.find(o => o.value === normalized)?.label
    ?? TRADE_EXECUTION_MODE_OPTIONS[0].label;
}