const { chromium } = require('playwright');
const fs = require('fs');
const path = require('path');
const os = require('os');

const BASE_DIR = path.join(os.homedir(), 'holiday-planning');
const SCREENSHOT_DIR = path.join(BASE_DIR, 'price-evidence');
const PRICES_DIR = path.join(BASE_DIR, 'prices');

async function searchEurocamp() {
  // Ensure directories exist
  fs.mkdirSync(SCREENSHOT_DIR, { recursive: true });
  fs.mkdirSync(PRICES_DIR, { recursive: true });
  
  console.log('Starting Eurocamp search for La Grande Métairie...');
  console.log('Screenshot dir:', SCREENSHOT_DIR);
  console.log('Prices dir:', PRICES_DIR);
  
  const browser = await chromium.launch({
    headless: true,
    args: [
      '--no-sandbox',
      '--disable-setuid-sandbox',
      '--disable-blink-features=AutomationControlled'
    ]
  });
  
  const context = await browser.newContext({
    viewport: { width: 1920, height: 1080 },
    userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36',
    locale: 'en-GB',
    timezoneId: 'Europe/London'
  });
  
  // Add headers to appear more like a real browser
  await context.addInitScript(() => {
    Object.defineProperty(navigator, 'webdriver', { get: () => false });
  });
  
  const page = await context.newPage();
  
  const results = {
    searchDate: new Date().toISOString(),
    checkIn: '2026-07-18',
    checkOut: '2026-08-02',
    nights: 14,
    adults: 2,
    children: 1,
    childAge: 6,
    campsite: 'La Grande Métairie',
    url: 'https://www.eurocamp.co.uk/campsites/france/brittany/la-grande-metairie-campsite',
    prices: [],
    screenshots: [],
    status: 'in_progress',
    errors: [],
    notes: []
  };

  try {
    // Step 1: Go to the campsite page
    console.log('\n=== Step 1: Loading campsite page ===');
    await page.goto(results.url, { 
      waitUntil: 'domcontentloaded',
      timeout: 90000 
    });
    
    console.log('Page loaded, waiting for content...');
    await page.waitForTimeout(5000);
    
    // Take screenshot
    const screenshot1 = path.join(SCREENSHOT_DIR, 'eurocamp-01-initial.png');
    await page.screenshot({ path: screenshot1, fullPage: false });
    results.screenshots.push(screenshot1);
    console.log('✓ Screenshot saved:', screenshot1);
    
    // Log page title
    const title = await page.title();
    results.notes.push(`Page title: ${title}`);
    console.log('Page title:', title);
    
    // Save page HTML for debugging
    const html = await page.content();
    fs.writeFileSync(path.join(SCREENSHOT_DIR, 'eurocamp-page.html'), html);
    console.log('✓ HTML saved');
    
    // Step 2: Try to find and interact with the booking widget
    console.log('\n=== Step 2: Looking for booking elements ===');
    
    // Look for various booking elements
    const bookingElements = await page.evaluate(() => {
      const elements = [];
      
      // Look for buttons
      document.querySelectorAll('button, a').forEach(el => {
        const text = el.textContent.trim();
        if (text.toLowerCase().includes('book') || 
            text.toLowerCase().includes('check') ||
            text.toLowerCase().includes('search') ||
            text.toLowerCase().includes('availability')) {
          elements.push({
            tag: el.tagName,
            text: text.substring(0, 100),
            class: el.className,
            id: el.id
          });
        }
      });
      
      // Look for date inputs
      document.querySelectorAll('input').forEach(el => {
        elements.push({
          tag: 'INPUT',
          type: el.type,
          placeholder: el.placeholder,
          name: el.name,
          id: el.id
        });
      });
      
      return elements;
    });
    
    console.log('Found booking elements:', JSON.stringify(bookingElements.slice(0, 15), null, 2));
    results.notes.push(`Found ${bookingElements.length} potential booking elements`);
    
    // Step 3: Try to find prices on the page
    console.log('\n=== Step 3: Looking for prices ===');
    
    const priceInfo = await page.evaluate(() => {
      const prices = [];
      const bodyText = document.body.innerText;
      
      // Look for price patterns
      const priceRegex = /£[\d,]+/g;
      const matches = bodyText.match(priceRegex);
      if (matches) {
        matches.slice(0, 20).forEach(m => prices.push(m));
      }
      
      // Look for accommodation cards
      const cards = document.querySelectorAll('[class*="accommodation"], [class*="card"], [class*="result"], [class*="price"]');
      const cardInfo = [];
      cards.forEach(card => {
        const text = card.textContent.trim();
        if (text.length > 50 && text.length < 1000) {
          cardInfo.push(text.substring(0, 300));
        }
      });
      
      return { prices, cards: cardInfo.slice(0, 10) };
    });
    
    console.log('Prices found on page:', priceInfo.prices);
    results.notes.push(`Prices found: ${priceInfo.prices.join(', ')}`);
    
    if (priceInfo.cards.length > 0) {
      console.log('\nAccommodation cards found:');
      priceInfo.cards.forEach((card, i) => {
        console.log(`Card ${i + 1}:`, card.substring(0, 150) + '...');
      });
    }
    
    // Step 4: Try to construct a direct booking URL
    console.log('\n=== Step 4: Trying direct search URL ===');
    
    // Eurocamp uses various URL patterns for search
    const searchUrls = [
      `https://www.eurocamp.co.uk/search?campsite=la-grande-metairie&checkIn=2026-07-18&nights=14&adults=2&children=1&childAge1=6`,
      `https://www.eurocamp.co.uk/campsites/france/brittany/la-grande-metairie-campsite?checkIn=2026-07-18&nights=14&adults=2&children=1&childAge1=6`,
      `https://www.eurocamp.co.uk/booking?campsite=la-grande-metairie&arrival=2026-07-18&departure=2026-08-02&adults=2&children=1&childAges=6`
    ];
    
    for (const searchUrl of searchUrls) {
      try {
        console.log('Trying URL:', searchUrl);
        await page.goto(searchUrl, { 
          waitUntil: 'domcontentloaded',
          timeout: 60000 
        });
        await page.waitForTimeout(3000);
        
        const urlName = searchUrl.split('?')[0].split('/').pop();
        const screenshot = path.join(SCREENSHOT_DIR, `eurocamp-search-${urlName}.png`);
        await page.screenshot({ path: screenshot, fullPage: false });
        results.screenshots.push(screenshot);
        console.log('✓ Screenshot saved for search URL');
        
        // Check for prices on this page
        const searchPrices = await page.evaluate(() => {
          const prices = [];
          const bodyText = document.body.innerText;
          const priceRegex = /£[\d,]+/g;
          const matches = bodyText.match(priceRegex);
          if (matches) {
            matches.forEach(m => {
              if (!prices.includes(m)) prices.push(m);
            });
          }
          return prices;
        });
        
        if (searchPrices.length > 0) {
          console.log('Found prices on search page:', searchPrices);
          results.prices.push(...searchPrices);
        }
        
      } catch (e) {
        console.log('Error with URL:', e.message);
        results.errors.push(`Search URL error: ${e.message}`);
      }
    }
    
    // Take final screenshot
    const finalScreenshot = path.join(SCREENSHOT_DIR, 'eurocamp-final.png');
    await page.screenshot({ path: finalScreenshot, fullPage: true });
    results.screenshots.push(finalScreenshot);
    
    // Get final URL
    results.url = page.url();
    console.log('\nFinal URL:', results.url);
    
    // Step 5: Check if we need to try a different approach
    console.log('\n=== Step 5: Trying to find actual booking form ===');
    
    // Look for iframe booking widgets
    const frames = page.frames();
    console.log(`Found ${frames.length} frames`);
    
    for (const frame of frames) {
      if (frame !== page.mainFrame()) {
        console.log('Checking frame:', frame.url());
        try {
          const frameContent = await frame.content();
          if (frameContent.includes('price') || frameContent.includes('£')) {
            console.log('Found potential price content in frame');
            results.notes.push('Found booking iframe with potential price data');
          }
        } catch (e) {
          console.log('Could not access frame:', e.message);
        }
      }
    }
    
    results.status = 'completed';
    
  } catch (error) {
    console.error('Error:', error.message);
    results.errors.push(error.message);
    results.status = 'error';
    
    // Take error screenshot
    const errorScreenshot = path.join(SCREENSHOT_DIR, 'eurocamp-error.png');
    await page.screenshot({ path: errorScreenshot, fullPage: true });
    results.screenshots.push(errorScreenshot);
  } finally {
    await browser.close();
  }
  
  // Remove duplicates from prices
  results.prices = [...new Set(results.prices)];
  
  // Save results
  const outputPath = path.join(PRICES_DIR, 'eurocamp-la-grande-metairie.json');
  fs.writeFileSync(outputPath, JSON.stringify(results, null, 2));
  console.log('\n=== Results saved ===');
  console.log('Output file:', outputPath);
  
  return results;
}

searchEurocamp().then(results => {
  console.log('\n=== Search Complete ===');
  console.log('Status:', results.status);
  console.log('Prices found:', results.prices);
  console.log('Screenshots:', results.screensshots);
  console.log('Errors:', results.errors);
}).catch(err => {
  console.error('Fatal error:', err);
  process.exit(1);
});