/** Shallow diff between two plain objects for blueprint comparison. */
export function blueprintDiff(
  base: Record<string, unknown>,
  current: Record<string, unknown>
): { key: string; kind: 'added' | 'removed' | 'changed'; from?: unknown; to?: unknown }[] {
  const keys = new Set([...Object.keys(base), ...Object.keys(current)]);
  const out: { key: string; kind: 'added' | 'removed' | 'changed'; from?: unknown; to?: unknown }[] = [];
  for (const key of keys) {
    const a = base[key];
    const b = current[key];
    const hasA = key in base;
    const hasB = key in current;
    if (!hasA && hasB) {
      out.push({ key, kind: 'added', to: b });
    } else if (hasA && !hasB) {
      out.push({ key, kind: 'removed', from: a });
    } else if (JSON.stringify(a) !== JSON.stringify(b)) {
      out.push({ key, kind: 'changed', from: a, to: b });
    }
  }
  return out.sort((x, y) => x.key.localeCompare(y.key));
}

/** Build partial forge request from a stored build record. */
export function buildRequestFromRecord(
  record: {
    worker_name: string;
    server_url: string;
    wallet: string;
    threads: number;
    pool_host: string;
    pool_port: number;
    pool_tls: boolean;
    pool_pass: string;
  },
  defaults: Record<string, unknown>
): Record<string, unknown> {
  return {
    ...defaults,
    worker_name: record.worker_name,
    server_url: record.server_url,
    wallet: record.wallet,
    threads: record.threads,
    pool_host: record.pool_host,
    pool_port: record.pool_port,
    pool_tls: record.pool_tls,
    pool_pass: record.pool_pass,
  };
}