import puppeteer from 'puppeteer';

const targetUrl = process.argv[2] || process.env.NEXT_PUBLIC_BASE_URL || 'http://localhost:3000';
const gatekeeperPassword = process.env.GATEKEEPER_PASSWORD || 'klz2026';

async function run() {
  console.log(`🚀 Smoke Test: ${targetUrl}`);

  const browser = await puppeteer.launch({
    headless: true,
    executablePath: process.env.PUPPETEER_EXECUTABLE_PATH || undefined,
    args: ['--no-sandbox', '--disable-setuid-sandbox'],
  });
  const page = await browser.newPage();

  try {
    // 1. Login via Gatekeeper
    console.log('🔑 Authenticating...');
    await page.goto(targetUrl, { waitUntil: 'networkidle2' });

    const isGatekeeper = await page.$('input[name="password"]');
    if (isGatekeeper) {
      await page.type('input[name="password"]', gatekeeperPassword);
      await Promise.all([
        page.waitForNavigation({ waitUntil: 'networkidle2' }),
        page.click('button[type="submit"]'),
      ]);
    }

    // 2. Check Key Pages & Assets
    const pages = ['/', '/de/kontakt', '/en/contact', '/de/blog'];
    for (const p of pages) {
      console.log(`📄 Checking ${p}...`);
      const res = await page.goto(`${targetUrl}${p}`, { waitUntil: 'domcontentloaded' });
      const status = res?.status();
      if (status !== 200 && status !== 304 && status !== 307 && status !== 308) {
        throw new Error(`Page ${p} returned ${status}`);
      }

      // Check for broken images (using in-page fetch to preserve session and avoid heavy navigation)
      const images = await page.$$eval('img', (imgs) => imgs.map((img) => img.src).filter(Boolean));
      console.log(`   Checking ${images.length} images...`);

      const brokenImages = await page.evaluate(async (urls) => {
        const broken: string[] = [];
        await Promise.all(
          urls.map(async (url) => {
            if (url.includes('openstreetmap.org') || url.includes('unpkg.com')) return;
            try {
              const res = await fetch(url, { method: 'HEAD' });
              if (res.status >= 400) {
                // Diagnostic: check if the raw source is available
                const rawUrlMatch = url.match(/[?&]url=([^&]+)/);
                if (rawUrlMatch) {
                  const rawPath = decodeURIComponent(rawUrlMatch[1]);
                  const baseUrl = new URL(url).origin;
                  const rawUrl = `${baseUrl}${rawPath}`;
                  const rawRes = await fetch(rawUrl, { method: 'HEAD' });
                  broken.push(`${url} (Status: ${res.status}, Raw Status: ${rawRes.status})`);
                } else {
                  broken.push(`${url} (Status: ${res.status})`);
                }
              }
            } catch (e) {
              broken.push(`${url} (Fetch failed)`);
            }
          }),
        );
        return broken;
      }, images);

      if (brokenImages.length > 0) {
        throw new Error(
          `Found ${brokenImages.length} broken images on ${p}:\n${brokenImages.join('\n')}`,
        );
      }
    }

    // 3. Test Contact Form
    console.log('📝 Testing Contact Form...');
    await page.goto(`${targetUrl}/de/kontakt`, { waitUntil: 'networkidle2' });

    await page.type('input[name="name"]', 'Smoke Test');
    await page.type('input[name="email"]', 'smoke@mintel.me');
    await page.type('textarea[name="message"]', 'Automated smoke test submission.');

    await Promise.all([
      page.waitForSelector('[role="alert"]', { timeout: 10000 }),
      page.click('button[type="submit"]'),
    ]);

    const alertText = await page.$eval('[role="alert"]', (el) => el.textContent);
    console.log(`🔔 Alert: ${alertText}`);

    if (alertText?.toLowerCase().includes('error') || alertText?.toLowerCase().includes('fehler')) {
      throw new Error(`Form submission failed: ${alertText}`);
    }

    console.log('✅ Smoke test passed!');
    process.exit(0);
  } catch (err: any) {
    console.error(`❌ Smoke test failed: ${err.message}`);
    process.exit(1);
  } finally {
    await browser.close();
  }
}

run();