import { test, expect } from '@playwright/test';

test.describe('Visual Regression Tests', () => {
  test.beforeEach(async ({ page }) => {
    await page.goto('/');
    // Wait for all content to load
    await page.waitForLoadState('networkidle');
  });

  test('homepage full page screenshot', async ({ page }) => {
    // Take full page screenshot
    await expect(page).toHaveScreenshot('homepage-full.png', {
      fullPage: true,
      animations: 'disabled'
    });
  });

  test('homepage viewport screenshot', async ({ page }) => {
    // Take viewport screenshot
    await expect(page).toHaveScreenshot('homepage-viewport.png', {
      animations: 'disabled'
    });
  });

  test('hero banner section screenshot', async ({ page }) => {
    // Scroll to hero section and take screenshot
    await page.locator('text=Collaborate').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500); // Wait for animations
    
    const heroSection = page.locator('section').first();
    await expect(heroSection).toHaveScreenshot('hero-banner.png', {
      animations: 'disabled'
    });
  });

  test('logo wall section screenshot', async ({ page }) => {
    // Scroll to logo wall section
    await page.locator('text=Trusted by leading cooperators').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const logoSection = page.locator('section').nth(1);
    await expect(logoSection).toHaveScreenshot('logo-wall.png', {
      animations: 'disabled'
    });
  });

  test('numbered cards section screenshot', async ({ page }) => {
    // Scroll to numbered cards section
    await page.locator('h2:has-text("How CommunityRule works")').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const cardsSection = page.locator('section').nth(2);
    await expect(cardsSection).toHaveScreenshot('numbered-cards.png', {
      animations: 'disabled'
    });
  });

  test('rule stack section screenshot', async ({ page }) => {
    // Scroll to rule stack section
    await page.locator('text=Consensus clusters').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const ruleSection = page.locator('section').nth(3);
    await expect(ruleSection).toHaveScreenshot('rule-stack.png', {
      animations: 'disabled'
    });
  });

  test('feature grid section screenshot', async ({ page }) => {
    // Scroll to feature grid section
    await page.locator('h2:has-text("We\'ve got your back")').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const featureSection = page.locator('section').nth(4);
    await expect(featureSection).toHaveScreenshot('feature-grid.png', {
      animations: 'disabled'
    });
  });

  test('quote block section screenshot', async ({ page }) => {
    // Scroll to quote block section
    await page.locator('text=Jo Freeman').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const quoteSection = page.locator('section').nth(5);
    await expect(quoteSection).toHaveScreenshot('quote-block.png', {
      animations: 'disabled'
    });
  });

  test('ask organizer section screenshot', async ({ page }) => {
    // Scroll to ask organizer section
    await page.locator('text=Still have questions?').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const askSection = page.locator('section').nth(6);
    await expect(askSection).toHaveScreenshot('ask-organizer.png', {
      animations: 'disabled'
    });
  });

  test('header component screenshot', async ({ page }) => {
    const header = page.locator('header');
    await expect(header).toHaveScreenshot('header.png', {
      animations: 'disabled'
    });
  });

  test('footer component screenshot', async ({ page }) => {
    // Scroll to footer
    await page.evaluate(() => window.scrollTo(0, document.body.scrollHeight));
    await page.waitForTimeout(500);
    
    const footer = page.locator('footer');
    await expect(footer).toHaveScreenshot('footer.png', {
      animations: 'disabled'
    });
  });

  test('mobile viewport screenshots', async ({ page }) => {
    // Test mobile viewport
    await page.setViewportSize({ width: 375, height: 667 });
    await page.waitForTimeout(1000);
    
    await expect(page).toHaveScreenshot('homepage-mobile.png', {
      animations: 'disabled'
    });
    
    // Test mobile hero section
    await page.locator('text=Collaborate').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const heroSection = page.locator('section').first();
    await expect(heroSection).toHaveScreenshot('hero-banner-mobile.png', {
      animations: 'disabled'
    });
  });

  test('tablet viewport screenshots', async ({ page }) => {
    // Test tablet viewport
    await page.setViewportSize({ width: 768, height: 1024 });
    await page.waitForTimeout(1000);
    
    await expect(page).toHaveScreenshot('homepage-tablet.png', {
      animations: 'disabled'
    });
    
    // Test tablet hero section
    await page.locator('text=Collaborate').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const heroSection = page.locator('section').first();
    await expect(heroSection).toHaveScreenshot('hero-banner-tablet.png', {
      animations: 'disabled'
    });
  });

  test('desktop viewport screenshots', async ({ page }) => {
    // Test desktop viewport
    await page.setViewportSize({ width: 1440, height: 900 });
    await page.waitForTimeout(1000);
    
    await expect(page).toHaveScreenshot('homepage-desktop.png', {
      animations: 'disabled'
    });
    
    // Test desktop hero section
    await page.locator('text=Collaborate').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const heroSection = page.locator('section').first();
    await expect(heroSection).toHaveScreenshot('hero-banner-desktop.png', {
      animations: 'disabled'
    });
  });

  test('large desktop viewport screenshots', async ({ page }) => {
    // Test large desktop viewport
    await page.setViewportSize({ width: 1920, height: 1080 });
    await page.waitForTimeout(1000);
    
    await expect(page).toHaveScreenshot('homepage-large-desktop.png', {
      animations: 'disabled'
    });
  });

  test('button hover states', async ({ page }) => {
    // Test button hover states
    const ctaButton = page.locator('button:has-text("Learn how CommunityRule works")');
    
    // Normal state
    await expect(ctaButton).toHaveScreenshot('button-normal.png', {
      animations: 'disabled'
    });
    
    // Hover state
    await ctaButton.hover();
    await page.waitForTimeout(500);
    await expect(ctaButton).toHaveScreenshot('button-hover.png', {
      animations: 'disabled'
    });
  });

  test('rule card hover states', async ({ page }) => {
    // Scroll to rule stack section
    await page.locator('text=Consensus clusters').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const consensusCard = page.locator('[aria-label*="Consensus clusters"]');
    
    // Normal state
    await expect(consensusCard).toHaveScreenshot('rule-card-normal.png', {
      animations: 'disabled'
    });
    
    // Hover state
    await consensusCard.hover();
    await page.waitForTimeout(500);
    await expect(consensusCard).toHaveScreenshot('rule-card-hover.png', {
      animations: 'disabled'
    });
  });

  test('feature card hover states', async ({ page }) => {
    // Scroll to feature grid section
    await page.locator('h2:has-text("We\'ve got your back")').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const featureCard = page.locator('a[href="#decision-making"]');
    
    // Normal state
    await expect(featureCard).toHaveScreenshot('feature-card-normal.png', {
      animations: 'disabled'
    });
    
    // Hover state
    await featureCard.hover();
    await page.waitForTimeout(500);
    await expect(featureCard).toHaveScreenshot('feature-card-hover.png', {
      animations: 'disabled'
    });
  });

  test('logo hover states', async ({ page }) => {
    // Scroll to logo wall section
    await page.locator('text=Trusted by leading cooperators').scrollIntoViewIfNeeded();
    await page.waitForTimeout(500);
    
    const logo = page.locator('img[alt="Food Not Bombs"]');
    
    // Normal state
    await expect(logo).toHaveScreenshot('logo-normal.png', {
      animations: 'disabled'
    });
    
    // Hover state
    await logo.hover();
    await page.waitForTimeout(500);
    await expect(logo).toHaveScreenshot('logo-hover.png', {
      animations: 'disabled'
    });
  });

  test('focus states', async ({ page }) => {
    // Test focus states for interactive elements
    const ctaButton = page.locator('button:has-text("Learn how CommunityRule works")');
    
    // Focus the button
    await ctaButton.focus();
    await page.waitForTimeout(500);
    
    await expect(ctaButton).toHaveScreenshot('button-focus.png', {
      animations: 'disabled'
    });
  });

  test('loading states', async ({ page }) => {
    // Test loading states by blocking resources
    await page.route('**/*', route => {
      // Delay all requests to simulate loading
      setTimeout(() => route.continue(), 1000);
    });
    
    // Reload page to trigger loading states
    await page.reload();
    
    // Take screenshot during loading
    await expect(page).toHaveScreenshot('homepage-loading.png', {
      animations: 'disabled'
    });
  });

  test('error states', async ({ page }) => {
    // Test error states by blocking critical resources
    await page.route('**/*.css', route => {
      route.abort();
    });
    
    // Reload page to trigger error states
    await page.reload();
    
    // Take screenshot of error state
    await expect(page).toHaveScreenshot('homepage-error.png', {
      animations: 'disabled'
    });
  });

  test('high contrast mode', async ({ page }) => {
    // Simulate high contrast mode
    await page.evaluate(() => {
      document.body.style.filter = 'contrast(200%)';
    });
    
    await expect(page).toHaveScreenshot('homepage-high-contrast.png', {
      animations: 'disabled'
    });
    
    // Reset contrast
    await page.evaluate(() => {
      document.body.style.filter = 'none';
    });
  });

  test('reduced motion mode', async ({ page }) => {
    // Simulate reduced motion preference
    await page.evaluate(() => {
      document.documentElement.style.setProperty('--prefers-reduced-motion', 'reduce');
    });
    
    await expect(page).toHaveScreenshot('homepage-reduced-motion.png', {
      animations: 'disabled'
    });
  });

  test('dark mode simulation', async ({ page }) => {
    // Simulate dark mode (if supported)
    await page.evaluate(() => {
      document.documentElement.classList.add('dark');
      document.body.style.backgroundColor = '#000';
      document.body.style.color = '#fff';
    });
    
    await expect(page).toHaveScreenshot('homepage-dark-mode.png', {
      animations: 'disabled'
    });
    
    // Reset to light mode
    await page.evaluate(() => {
      document.documentElement.classList.remove('dark');
      document.body.style.backgroundColor = '';
      document.body.style.color = '';
    });
  });
});