import { describe, expect, it, vi } from "vitest";
import { registerSampleJobProcessor } from "../src/jobs/sample.job";

vi.mock("bullmq", () => {
  class MockWorker {
    public handlers: Record<string, Function[]> = {};
    constructor(_name: string, processor: Function, _opts: any) {
      this.processor = processor;
    }
    processor: Function;
    on(event: string, handler: Function) {
      this.handlers[event] = this.handlers[event] || [];
      this.handlers[event].push(handler);
    }
  }
  return { Worker: MockWorker };
});

describe("registerSampleJobProcessor", () => {
  it("registers worker and handlers", () => {
    const consoleLog = vi.spyOn(console, "log").mockImplementation(() => {});
    const consoleError = vi.spyOn(console, "error").mockImplementation(() => {});

    const worker = registerSampleJobProcessor({ host: "localhost", port: 6379 } as any) as any;

    expect(worker.processor).toBeInstanceOf(Function);
    expect(worker.handlers.failed).toHaveLength(1);

    // simulate processing and failure
    worker.processor({ id: 1, data: { hello: "world" } });
    worker.handlers.failed[0]({ id: 1 }, new Error("boom"));

    expect(consoleLog).toHaveBeenCalledWith("Processing job 1");
    expect(consoleError).toHaveBeenCalled();

    consoleLog.mockRestore();
    consoleError.mockRestore();
  });
});