import { describe, it, expect, vi, beforeEach } from 'vitest';
import { AutoModeService } from '@/services/auto-mode-service.js';

describe('auto-mode-service.ts', () => {
  let service: AutoModeService;
  const mockEvents = {
    subscribe: vi.fn(),
    emit: vi.fn(),
  };

  beforeEach(() => {
    vi.clearAllMocks();
    service = new AutoModeService(mockEvents as any);
  });

  describe('constructor', () => {
    it('should initialize with event emitter', () => {
      expect(service).toBeDefined();
    });
  });

  describe('startAutoLoop', () => {
    it('should throw if auto mode is already running', async () => {
      // Start first loop
      const promise1 = service.startAutoLoop('/test/project', 3);

      // Try to start second loop
      await expect(service.startAutoLoop('/test/project', 3)).rejects.toThrow('already running');

      // Cleanup
      await service.stopAutoLoop();
      await promise1.catch(() => {});
    });

    it('should emit auto mode start event', async () => {
      const promise = service.startAutoLoop('/test/project', 3);

      // Give it time to emit the event
      await new Promise((resolve) => setTimeout(resolve, 10));

      expect(mockEvents.emit).toHaveBeenCalledWith(
        expect.any(String),
        expect.objectContaining({
          message: expect.stringContaining('Auto mode started'),
        })
      );

      // Cleanup
      await service.stopAutoLoop();
      await promise.catch(() => {});
    });
  });

  describe('stopAutoLoop', () => {
    it('should stop the auto loop', async () => {
      const promise = service.startAutoLoop('/test/project', 3);

      const runningCount = await service.stopAutoLoop();

      expect(runningCount).toBe(0);
      await promise.catch(() => {});
    });

    it('should return 0 when not running', async () => {
      const runningCount = await service.stopAutoLoop();
      expect(runningCount).toBe(0);
    });
  });
});