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

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 {
  if (!strategy) return {};

  const out: EvalIndicatorParams = {};
  for (const ref of collectIndicatorRefs(strategy)) {
    const base = { ...getParams(ref.registryType) };
    const merged = applyStrategyRefToParams(ref, base);
    out[ref.registryType] = { ...(out[ref.registryType] ?? {}), ...merged };
  }
  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 ?? {});
}