// tests/sidekiq_client.test.ts
import { createClient, RedisClientType } from 'redis';
import { SidekiqClient, JobPayload } from '../src/index';
import { jest } from '@jest/globals';

function assertJidFormat(jid: string) {
  expect(typeof jid).toBe('string');
  expect(jid).toMatch(/^[0-9a-f]{24}$/);
}

describe('SidekiqClient (TypeScript)', () => {
  let redisClient: RedisClientType;
  let sidekiq: SidekiqClient;

  beforeAll(async () => {
    redisClient = createClient({ url: 'redis://redis:6379/0' });
    await redisClient.connect();
  });

  afterAll(async () => {
    await redisClient.quit();
  });

  beforeEach(async () => {
    await redisClient.flushDb();
    sidekiq = new SidekiqClient(redisClient);
  });

  afterEach(async () => {
    await redisClient.flushDb();
  });

  it('performAsync enqueues a job', async () => {
    const queue = 'default';
    const jobClass = 'MyWorker';
    const args = [1, 2, 3];

    const jid = await sidekiq.performAsync(queue, jobClass, args);
    assertJidFormat(jid);

    const length = await redisClient.lLen(`queue:${queue}`);
    expect(length).toBe(1);

    const raw = await redisClient.lPop(`queue:${queue}`);
    expect(raw).not.toBeNull();

    const job: JobPayload = JSON.parse(raw!);
    expect(job.class).toBe(jobClass);
    expect(job.queue).toBe(queue);
    expect(job.args).toEqual(args);
    expect(job.created_at).toBeDefined();
    expect(job.enqueued_at).toBeDefined();
    assertJidFormat(job.jid);
  });

  it('performIn schedules a job after a delay', async () => {
    const queue = 'delayed';
    const jobClass = 'DelayedJob';
    const args = ['x'];
    const seconds = 2;

    const before = Date.now();
    const jid = await sidekiq.performIn(seconds, queue, jobClass, args);
    assertJidFormat(jid);

    const zcount = await redisClient.zCard('schedule');
    expect(zcount).toBe(1);

    const { value: member, score } = (await redisClient.zRangeWithScores('schedule', 0, 0))[0];
    const job: JobPayload = JSON.parse(member);

    expect(job.class).toBe(jobClass);
    expect(job.queue).toBe(queue);
    expect(job.args).toEqual(args);
    expect(job.created_at).toBeDefined();
    expect(job.enqueued_at).toBeUndefined();
    assertJidFormat(job.jid);
    // Score should be ≈ before + seconds
    expect(Math.abs(score - (before + seconds))).toBeLessThan(1);
  });

  it('performAt schedules a job at an exact time', async () => {
    const queue = 'scheduled';
    const jobClass = 'SpecificTimeJob';
    const args = ['run_at'];
    const timestamp = Date.now() + 3000;

    const jid = await sidekiq.performAt(timestamp, queue, jobClass, args);
    assertJidFormat(jid);

    const zcount = await redisClient.zCard('schedule');
    expect(zcount).toBe(1);

    const { value: member, score } = (await redisClient.zRangeWithScores('schedule', 0, 0))[0];
    const job: JobPayload = JSON.parse(member);

    expect(job.class).toBe(jobClass);
    expect(job.queue).toBe(queue);
    expect(job.args).toEqual(args);
    expect(job.created_at).toBeDefined();
    expect(job.enqueued_at).toBeUndefined();
    assertJidFormat(job.jid);
    expect(score).toBe(timestamp/1000);
  });
});