import type { ChainResult, MultiChainResult } from "./types";

export const mergeChainResults = (
  chainResults: ChainResult[],
  computeTimeSec: number,
): MultiChainResult => {
  const sorted = [...chainResults].sort((a, b) => a.chainId - b.chainId);
  const paramNames = sorted[0].paramNames;
  // concatenate draws across chains, per parameter
  const draws = paramNames.map((_, p) => sorted.flatMap((c) => c.draws[p]));
  return {
    paramNames,
    draws,
    numChains: sorted.length,
    computeTimeSec,
    consoleText: sorted
      .map((c) => `--- chain ${c.chainId} ---\n${c.consoleText}`)
      .join("\n"),
  };
};