#!/usr/bin/env node

import { chromium } from 'playwright';

const MOBILE_VIEWPORT = { width: 375, height: 667 };
const DESKTOP_VIEWPORT = { width: 1920, height: 1080 };

(async () => {
    const browser = await chromium.launch({ headless: true });

    console.log('🧪 Testing Default Theme by Device Type\n');

    // TEST 1: Mobile First Visit - Should Default to Light Theme
    console.log('📱 TEST 1: Mobile First Visit (No localStorage)\n');
    const mobileContext = await browser.newContext({ viewport: MOBILE_VIEWPORT });
    const mobilePage = await mobileContext.newPage();

    // Clear localStorage to simulate first visit
    await mobilePage.goto('http://localhost:1999/?lang=en&view=extended');
    await mobilePage.evaluate(() => localStorage.clear());
    await mobilePage.reload();
    await mobilePage.waitForLoadState('networkidle');

    // Check theme attribute
    const mobileTheme = await mobilePage.evaluate(() => {
        return document.documentElement.getAttribute('data-color-theme');
    });

    console.log(`📊 Mobile Theme:`);
    console.log(`  • Theme attribute: ${mobileTheme}`);
    console.log(`  • Expected: light`);
    console.log(`  • Match: ${mobileTheme === 'light' ? '✅' : '❌'}\n`);

    await mobilePage.screenshot({
        path: 'tests/screenshots/mobile-light-theme-default.png',
        fullPage: true
    });
    console.log('📸 Screenshot: tests/screenshots/mobile-light-theme-default.png\n');

    await mobileContext.close();

    // TEST 2: Desktop First Visit - Should Default to Auto Theme
    console.log('🖥️  TEST 2: Desktop First Visit (No localStorage)\n');
    const desktopContext = await browser.newContext({ viewport: DESKTOP_VIEWPORT });
    const desktopPage = await desktopContext.newPage();

    // Clear localStorage to simulate first visit
    await desktopPage.goto('http://localhost:1999/?lang=en&view=extended');
    await desktopPage.evaluate(() => localStorage.clear());
    await desktopPage.reload();
    await desktopPage.waitForLoadState('networkidle');

    // Check theme attribute
    const desktopTheme = await desktopPage.evaluate(() => {
        return document.documentElement.getAttribute('data-color-theme');
    });

    console.log(`📊 Desktop Theme:`);
    console.log(`  • Theme attribute: ${desktopTheme}`);
    console.log(`  • Expected: auto`);
    console.log(`  • Match: ${desktopTheme === 'auto' ? '✅' : '❌'}\n`);

    await desktopPage.screenshot({
        path: 'tests/screenshots/desktop-auto-theme-default.png',
        fullPage: true
    });
    console.log('📸 Screenshot: tests/screenshots/desktop-auto-theme-default.png\n');

    await desktopContext.close();

    // TEST 3: Mobile with Saved Preference - Should Respect localStorage
    console.log('📱 TEST 3: Mobile with Saved Preference (Should Honor User Choice)\n');
    const mobileContext2 = await browser.newContext({ viewport: MOBILE_VIEWPORT });
    const mobilePage2 = await mobileContext2.newPage();

    await mobilePage2.goto('http://localhost:1999/?lang=en&view=extended');
    await mobilePage2.evaluate(() => {
        localStorage.setItem('color-theme-mode', 'dark');
    });
    await mobilePage2.reload();
    await mobilePage2.waitForLoadState('networkidle');

    const savedTheme = await mobilePage2.evaluate(() => {
        return document.documentElement.getAttribute('data-color-theme');
    });

    console.log(`📊 Mobile with Saved Preference:`);
    console.log(`  • Theme attribute: ${savedTheme}`);
    console.log(`  • Expected: dark (from localStorage)`);
    console.log(`  • Match: ${savedTheme === 'dark' ? '✅' : '❌'}\n`);

    await mobileContext2.close();

    // Final Results
    const allPassed = mobileTheme === 'light' &&
                      desktopTheme === 'auto' &&
                      savedTheme === 'dark';

    console.log(`${allPassed ? '✅' : '❌'} All tests ${allPassed ? 'PASSED' : 'FAILED'}\n`);

    await browser.close();

    process.exit(allPassed ? 0 : 1);
})();