/**
 * Jest Test Setup
 * Configure testing environment for YT2AI Bookmarklet
 */

// Mock performance API with proper Jest mocks
const performanceMocks = {
  now: jest.fn(() => Date.now()),
  mark: jest.fn(),
  measure: jest.fn()
};

global.performance = performanceMocks;

// Ensure window.performance is available
window.performance = global.performance;

beforeEach(() => {
  // Reset DOM
  document.head.innerHTML = '';
  document.body.innerHTML = '';
  document.body.style.overflow = '';
  
  // Reset window properties
  delete window.__YT2AI_INITIALIZED__;
  delete window.__YT2AI_VERSION__;
  delete window.__YT2AI__;
  
  // Reset performance mocks
  performanceMocks.mark.mockClear();
  performanceMocks.measure.mockClear();
  performanceMocks.now.mockClear();
  
  // Clear module cache to allow fresh requires
  jest.resetModules();
});

afterEach(() => {
  // Clear timers
  jest.clearAllTimers();
  
  // Clear mocks
  jest.clearAllMocks();
});

// Global test utilities
global.mockYouTubeUrl = (videoId = 'dQw4w9WgXcQ') => {
  Object.defineProperty(window, 'location', {
    value: {
      href: `https://www.youtube.com/watch?v=${videoId}`,
      hostname: 'youtube.com',
      search: ''
    },
    writable: true
  });
};

global.mockMobileEnvironment = () => {
  Object.defineProperty(navigator, 'userAgent', {
    writable: true,
    value: 'Mozilla/5.0 (Linux; Android 10; SM-G975F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.120 Mobile Safari/537.36'
  });
  
  Object.defineProperty(window, 'innerWidth', { writable: true, value: 375 });
  Object.defineProperty(window, 'innerHeight', { writable: true, value: 667 });
};