import type { NodeId } from "../types";

export type MissingRuntimeNodeDetail = {
  nodeId: NodeId;
  kind: "node" | "trigger";
  missingTokenId: string | undefined;
};

export class WorkflowParityMismatchError extends Error {
  readonly name = "WorkflowParityMismatchError";
  readonly missingNodes: ReadonlyArray<MissingRuntimeNodeDetail>;

  constructor(missingNodes: ReadonlyArray<MissingRuntimeNodeDetail>) {
    const labels = missingNodes.map((n) => `${n.nodeId} (token: ${n.missingTokenId ?? "unknown"})`).join(", ");
    super(`Workflow parity mismatch: nodes resolve to MissingRuntime and cannot execute: ${labels}`);
    this.missingNodes = missingNodes;
  }
}