import { describe, expect, it } from "vitest";
import * as shared from "../src/index.js";

describe("createApiError", () => {
  it("returns the uniform safe error envelope", () => {
    const factory = Reflect.get(shared, "createApiError") as ((code: string, message: string, requestId: string, details?: Record<string, unknown>) => unknown) | undefined;
    expect(factory, "createApiError must be exported").toBeDefined();
    expect(factory?.("SESSION_NOT_FOUND", "Session not found", "req_1", { sessionId: "ses_1" })).toEqual({
      error: {
        code: "SESSION_NOT_FOUND",
        message: "Session not found",
        requestId: "req_1",
        details: { sessionId: "ses_1" },
      },
    });
  });

  it("rejects malformed envelopes", () => {
    const candidate = Reflect.get(shared, "ApiErrorSchema") as { safeParse(value: unknown): { success: boolean } } | undefined;
    expect(candidate, "ApiErrorSchema must be exported").toBeDefined();
    expect(candidate?.safeParse({ error: { code: "", message: "bad" } }).success).toBe(false);
  });
});