import { describe, it, expect, vi, beforeEach } from 'vitest';
import ProgressManager from '../utils/renderer/ProgressManager';

describe('ProgressManager', () => {
  let progressContainer, progressText, progressCount;
  let pm;

  beforeEach(() => {
    progressContainer = document.createElement('div');
    progressText = document.createElement('span');
    progressCount = document.createElement('span');
    pm = new ProgressManager(progressContainer, progressText, progressCount);
  });

  describe('showProgress', () => {
    it('shows progress with default message', () => {
      pm.showProgress();
      expect(progressContainer.style.display).toBe('block');
      expect(progressText.textContent).toBe('Scanning directory...');
      expect(progressCount.textContent).toBe('');
    });

    it('shows progress with custom message', () => {
      pm.showProgress('Custom message');
      expect(progressText.textContent).toBe('Custom message');
    });
  });

  describe('hideProgress', () => {
    it('hides progress container', () => {
      pm.hideProgress();
      expect(progressContainer.style.display).toBe('none');
    });
  });

  describe('updateProgress', () => {
    it('updates progress with current/total', () => {
      pm.updateProgress(2, 10, 'video.mp4');
      expect(progressText.textContent).toBe('Processing: video.mp4');
      expect(progressCount.textContent).toBe('3 of 10 files');
    });

    it('handles first file (current=0)', () => {
      pm.updateProgress(0, 5, 'file1.mp4');
      expect(progressCount.textContent).toBe('1 of 5 files');
    });
  });

  describe('updateProgressText', () => {
    it('updates progress text', () => {
      pm.updateProgressText('Custom text');
      expect(progressText.textContent).toBe('Custom text');
    });
  });

  describe('updateProgressCount', () => {
    it('updates progress count', () => {
      pm.updateProgressCount(5, 20);
      expect(progressCount.textContent).toBe('6 of 20 files');
    });

    it('handles last file', () => {
      pm.updateProgressCount(19, 20);
      expect(progressCount.textContent).toBe('20 of 20 files');
    });
  });

  describe('showDirectoryFeedback', () => {
    it('logs directory feedback', () => {
      const consoleSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
      pm.showDirectoryFeedback('extras');
      expect(consoleSpy).toHaveBeenCalledWith('Directory "extras" created and file moved');
      consoleSpy.mockRestore();
    });
  });
});