#!/usr/bin/env node
/**
 * Test: Mobile Updates Verification
 *
 * Verifies the updated mobile features:
 * 1. Keyboard shortcuts button is visible
 * 2. All 6 buttons are positioned in a single row
 * 3. Footer has 120px bottom padding
 * 4. Footer hover effect enlarges text
 */

import { chromium } from 'playwright';

const TEST_URL = 'http://localhost:1999';
const VIEWPORT_WIDTH = 375; // Mobile width
const VIEWPORT_HEIGHT = 812; // iPhone X height

async function testMobileUpdates() {
  console.log('🧪 Testing Mobile Updates (6-Button Row, Footer Padding, Hover Effect)');
  console.log('='.repeat(70));

  const browser = await chromium.launch({ headless: true });
  const context = await browser.newContext({
    viewport: { width: VIEWPORT_WIDTH, height: VIEWPORT_HEIGHT },
    deviceScaleFactor: 2,
  });
  const page = await context.newPage();

  // Disable cache
  await page.route('**/*', (route) => {
    route.continue({
      headers: {
        ...route.request().headers(),
        'Cache-Control': 'no-cache, no-store, must-revalidate',
      },
    });
  });

  try {
    await page.goto(TEST_URL, { waitUntil: 'networkidle' });
    console.log(`✅ Navigated to ${TEST_URL}`);
    await page.waitForTimeout(1500);

    let allTestsPassed = true;

    // TEST 1: Keyboard shortcuts button should be visible on mobile
    console.log('\n📊 TEST 1: Keyboard shortcuts button visible on mobile');
    console.log('-'.repeat(70));

    const shortcutsBtn = await page.$('.shortcuts-btn');
    if (shortcutsBtn) {
      const isVisible = await shortcutsBtn.isVisible();
      if (isVisible) {
        console.log('✅ Keyboard shortcuts button is visible on mobile');
      } else {
        console.log('❌ Keyboard shortcuts button is hidden (should be visible)');
        allTestsPassed = false;
      }
    } else {
      console.log('❌ Keyboard shortcuts button not found in DOM');
      allTestsPassed = false;
    }

    // TEST 2: All 6 buttons should be positioned in a row
    console.log('\n📊 TEST 2: All 6 buttons positioned in a row');
    console.log('-'.repeat(70));

    const buttonPositions = await page.evaluate(() => {
      const buttons = [
        { name: 'Download', selector: '.download-btn' },
        { name: 'Print', selector: '.print-friendly-btn' },
        { name: 'Shortcuts', selector: '.shortcuts-btn' },
        { name: 'Theme', selector: '.color-theme-switcher' },
        { name: 'Info', selector: '.info-button' },
        { name: 'Back-to-top', selector: '.back-to-top' }
      ];

      return buttons.map(({ name, selector }) => {
        const btn = document.querySelector(selector);
        if (!btn) return { name, exists: false };

        const rect = btn.getBoundingClientRect();
        const styles = window.getComputedStyle(btn);
        return {
          name,
          exists: true,
          bottom: rect.bottom,
          left: rect.left,
          width: rect.width,
          position: styles.position
        };
      });
    });

    // Check all buttons exist and are at same bottom position
    const bottomPosition = buttonPositions[0]?.bottom;
    let allButtonsAligned = true;

    for (const btn of buttonPositions) {
      if (!btn.exists) {
        console.log(`❌ ${btn.name}: Button not found`);
        allTestsPassed = false;
        allButtonsAligned = false;
      } else {
        const bottomMatch = Math.abs(btn.bottom - bottomPosition) < 5; // 5px tolerance
        if (bottomMatch) {
          console.log(`✅ ${btn.name}: Positioned at bottom=${btn.bottom.toFixed(0)}px, left=${btn.left.toFixed(0)}px`);
        } else {
          console.log(`❌ ${btn.name}: Wrong bottom position (${btn.bottom.toFixed(0)}px, expected ~${bottomPosition.toFixed(0)}px)`);
          allTestsPassed = false;
          allButtonsAligned = false;
        }
      }
    }

    if (allButtonsAligned && buttonPositions.every(b => b.exists)) {
      console.log('✅ All 6 buttons are aligned in a row');
    }

    // TEST 3: Footer should have 120px bottom padding
    console.log('\n📊 TEST 3: Footer has 120px bottom padding');
    console.log('-'.repeat(70));

    await page.evaluate(() => {
      window.scrollTo(0, document.body.scrollHeight);
    });
    await page.waitForTimeout(500);

    const footerPadding = await page.evaluate(() => {
      const footer = document.querySelector('footer.no-print');
      if (!footer) return { exists: false };

      const styles = window.getComputedStyle(footer);
      return {
        exists: true,
        paddingBottom: styles.paddingBottom,
        paddingBottomValue: parseInt(styles.paddingBottom, 10)
      };
    });

    if (footerPadding.exists) {
      if (footerPadding.paddingBottomValue >= 110) {
        console.log(`✅ Footer has adequate padding: ${footerPadding.paddingBottom}`);
      } else {
        console.log(`❌ Footer padding insufficient: ${footerPadding.paddingBottom} (expected >= 110px)`);
        allTestsPassed = false;
      }
    } else {
      console.log('❌ Footer element not found');
      allTestsPassed = false;
    }

    // TEST 4: Footer hover effect should enlarge text
    console.log('\n📊 TEST 4: Footer hover effect enlarges text');
    console.log('-'.repeat(70));

    // Get initial font size
    const initialFontSize = await page.evaluate(() => {
      const footer = document.querySelector('footer.no-print p');
      if (!footer) return null;
      return parseFloat(window.getComputedStyle(footer).fontSize);
    });

    // Trigger footer hover by adding class
    await page.evaluate(() => {
      const footer = document.querySelector('footer.no-print');
      if (footer) {
        footer.classList.add('footer-hovered');
        // Trigger transition
        footer.offsetHeight; // Force reflow
      }
    });

    await page.waitForTimeout(500); // Wait for CSS transition

    const hoveredFontSize = await page.evaluate(() => {
      const footer = document.querySelector('footer.no-print p');
      if (!footer) return null;
      return parseFloat(window.getComputedStyle(footer).fontSize);
    });

    if (initialFontSize && hoveredFontSize) {
      if (hoveredFontSize > initialFontSize) {
        console.log(`✅ Footer text enlarged on hover: ${initialFontSize.toFixed(1)}px → ${hoveredFontSize.toFixed(1)}px`);
      } else {
        console.log(`❌ Footer text not enlarged: ${initialFontSize.toFixed(1)}px → ${hoveredFontSize.toFixed(1)}px`);
        allTestsPassed = false;
      }
    } else {
      console.log('❌ Could not measure footer font sizes');
      allTestsPassed = false;
    }

    console.log('-'.repeat(70));

    if (allTestsPassed) {
      console.log('\n✅ ALL TESTS PASSED!');
      console.log('   • Keyboard shortcuts button visible');
      console.log('   • All 6 buttons in a single row');
      console.log('   • Footer has 120px bottom padding');
      console.log('   • Footer hover effect enlarges text');
    } else {
      console.log('\n❌ SOME TESTS FAILED - Check output above');
    }

    await browser.close();
    process.exit(allTestsPassed ? 0 : 1);

  } catch (error) {
    console.error('\n❌ Test error:', error);
    await browser.close();
    process.exit(1);
  }
}

testMobileUpdates();