import { createHash } from "node:crypto";
function canonical(value: unknown): unknown {
  if (Array.isArray(value)) return value.map(canonical);
  if (value !== null && typeof value === "object") return Object.fromEntries(Object.entries(value).sort(([a], [b]) => a < b ? -1 : a > b ? 1 : 0).map(([key, item]) => [key, canonical(item)]));
  return value;
}
/** The target lives in providerMetadata.connectionId; execution keys are excluded. */
export function canonicalPostHash<T extends { providerMetadata: Record<string, unknown> }>(post: T): string {
  const metadata = { ...post.providerMetadata };
  delete metadata.idempotencyKey;
  delete metadata.draftId;
  return createHash("sha256").update(JSON.stringify(canonical({ ...post, providerMetadata: metadata }))).digest("hex");
}