/**
 * 전략 평가 — 전략에 포함된 지표 파라미터 맵
 */
import type { StrategyDto } from './backendApi';
import { collectStrategyRegistryTypes } from './strategyToChartIndicators';

export type EvalIndicatorParams = Record<string, Record<string, number | string | boolean>>;

export function buildEvalParamsFromStrategy(
  strategy: StrategyDto | null | undefined,
  getParams: (type: string) => Record<string, number | string | boolean>,
): EvalIndicatorParams {
  const types = collectStrategyRegistryTypes(strategy);
  const out: EvalIndicatorParams = {};
  for (const type of types) {
    out[type] = { ...getParams(type) };
  }
  return out;
}

export function mergeEvalGetParams(
  baseGetParams: (type: string, defaults?: Record<string, number | string | boolean>) => Record<string, number | string | boolean>,
  applied: EvalIndicatorParams | null | undefined,
) {
  return (type: string, defaults?: Record<string, number | string | boolean>) => {
    const base = baseGetParams(type, defaults);
    const override = applied?.[type];
    return override ? { ...base, ...override } : base;
  };
}

export function hasEvalParamsDiff(
  draft: EvalIndicatorParams,
  applied: EvalIndicatorParams | null | undefined,
): boolean {
  return JSON.stringify(draft) !== JSON.stringify(applied ?? {});
}