import { readFileSync } from "node:fs";

export function mergePresets(
  base: Record<string, unknown>,
  local: Record<string, unknown>,
): Record<string, unknown> {
  return { ...base, ...local };
}

function readJson(file: string): Record<string, unknown> {
  try {
    return JSON.parse(readFileSync(file, "utf8")) as Record<string, unknown>;
  } catch {
    return {};
  }
}

export function loadPresetsFromDirs(
  basePresetsFile: string,
  projectPresetsFile: string,
): Record<string, unknown> {
  return mergePresets(readJson(basePresetsFile), readJson(projectPresetsFile));
}