#!/usr/bin/env node

/**
 * Reonomy Scraper v6 - CLICK-THROUGH APPROACH
 *
 * Key changes:
 * 1. Use advanced filters: "Has Phone" + "Has Email"
 * 2. Click into properties (not just navigate to ownership)
 * 3. Extract contact info from property page
 * 4. Go back to results
 * 5. Repeat for next properties
 */

const puppeteer = require('puppeteer');
const fs = require('fs');
const path = require('path');

// Configuration
const REONOMY_EMAIL = process.env.REONOMY_EMAIL || 'henry@realestateenhanced.com';
const REONOMY_PASSWORD = process.env.REONOMY_PASSWORD || '9082166532';
const SEARCH_LOCATION = process.env.REONOMY_LOCATION || 'Eatontown, NJ';
const HEADLESS = process.env.HEADLESS === 'true';
const MAX_PROPERTIES = 20;
const PAGE_LOAD_DELAY_MS = 8000; // Longer wait for property pages

// Output files
const OUTPUT_FILE = path.join(__dirname, 'reonomy-leads-v6-clickthrough.json');
const LOG_FILE = path.join(__dirname, 'reonomy-scraper-v6.log');

function log(message) {
  const timestamp = new Date().toISOString();
  const logMessage = `[${timestamp}] ${message}\n`;
  console.log(message);
  fs.appendFileSync(LOG_FILE, logMessage);
}

function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}

/**
 * Apply advanced filters
 */
async function applyAdvancedFilters(page) {
  log('🔍 Applying advanced filters: Has Phone + Has Email...');

  // Look for "More Filters" button
  const moreFiltersBtn = await page.waitForSelector('button:has-text("More Filters"), button[aria-label*="Filters"], button:has-text("Filters")', {
    timeout: 15000
  }).catch(() => null);

  if (moreFiltersBtn) {
    await moreFiltersBtn.click();
    await sleep(2000);
  }

  // Look for "Has Phone" filter
  const hasPhoneFilter = await page.evaluate(() => {
    const labels = Array.from(document.querySelectorAll('label, span, div'));
    const phoneFilter = labels.find(el => {
      const text = el.textContent?.toLowerCase() || '';
      return text.includes('phone') || text.includes('has phone');
    });
    return phoneFilter ? phoneFilter.textContent : null;
  }).catch(() => null);

  if (hasPhoneFilter) {
    // Find the checkbox or radio button near this label
    const checkbox = await page.evaluateHandle((label) => {
      const parent = label.closest('div, form, label');
      if (!parent) return null;
      const input = parent.querySelector('input[type="checkbox"], input[type="radio"]');
      return input ? { tag: input.tagName, id: input.id } : null;
    }, hasPhoneFilter).catch(() => null);

    if (checkbox) {
      log(`  ✅ Found Has Phone filter: ${checkbox.tag}#${checkbox.id}`);
      await page.evaluate((el) => {
        const input = document.getElementById(el.id);
        if (input && !input.checked) {
          input.click();
        }
      }, { id: checkbox.id }).catch(() => {
        log(`  ⚠️  Could not interact with Has Phone filter checkbox, trying label click...`);
        await page.evaluateHandle((label) => {
          if (label) label.click();
        }, hasPhoneFilter).catch(() => {});
      });
      await sleep(1000);
    }
  }

  // Look for "Has Email" filter
  const hasEmailFilter = await page.evaluate(() => {
    const labels = Array.from(document.querySelectorAll('label, span, div'));
    const emailFilter = labels.find(el => {
      const text = el.textContent?.toLowerCase() || '';
      return text.includes('email') || text.includes('has email');
    });
    return emailFilter ? emailFilter.textContent : null;
  }).catch(() => null);

  if (hasEmailFilter) {
    const checkbox = await page.evaluateHandle((label) => {
      const parent = label.closest('div, form, label');
      if (!parent) return null;
      const input = parent.querySelector('input[type="checkbox"], input[type="radio"]');
      return input ? { tag: input.tagName, id: input.id } : null;
    }, hasEmailFilter).catch(() => null);

    if (checkbox) {
      log(`  ✅ Found Has Email filter: ${checkbox.tag}#${checkbox.id}`);
      await page.evaluate((el) => {
        const input = document.getElementById(el.id);
        if (input && !input.checked) {
          input.click();
        }
      }, { id: checkbox.id }).catch(() => {
        log(`  ⚠️  Could not interact with Has Email filter checkbox, trying label click...`);
        await page.evaluateHandle((label) => {
          if (label) label.click();
        }, hasEmailFilter).catch(() => {});
      });
      await sleep(1000);
    }
  }

  await sleep(2000);
}

/**
 * Extract contact info from property page (after clicking into it)
 */
async function extractContactInfoFromProperty(page) {
  return await page.evaluate(() => {
    const info = {
      emails: [],
      phones: [],
      address: '',
      owners: [],
      pageTitle: document.title
    };

    // Extract emails from mailto: links
    document.querySelectorAll('a[href^="mailto:"]').forEach(a => {
      const email = a.href.replace('mailto:', '');
      if (email && email.length > 5) {
        info.emails.push(email);
      }
    });

    // Extract phones from tel: links
    document.querySelectorAll('a[href^="tel:"]').forEach(a => {
      const phone = a.href.replace('tel:', '');
      if (phone && phone.length > 7) {
        info.phones.push(phone);
      }
    });

    // Extract property address
    const addressMatch = document.body.innerText.match(/^(\d+[^,]+),\s*([A-Za-z\s]+),\s*([A-Z]{2})\s*(\d{5})/);
    if (addressMatch) {
      info.address = addressMatch[0];
    }

    // Look for owner names
    const ownerPattern = /Owns\s+(\d+)\s+properties?\s+([A-Za-z\s,]+)/i;
    const ownerMatch = document.body.innerText.match(ownerPattern);
    if (ownerMatch) {
      info.owners.push(ownerMatch[2]?.trim());
    }

    return info;
  });
}

/**
 * Main scraper
 */
async function scrapeLeads() {
  log('🚀 Starting Reonomy Scraper v6 (CLICK-THROUGH APPROACH)...\n');

  const browser = await puppeteer.launch({
    headless: HEADLESS ? 'new' : false,
    args: ['--no-sandbox', '--disable-setuid-sandbox', '--window-size=1920,1080']
  });

  const page = await browser.newPage();
  await page.setViewport({ width: 1920, height: 1080 });

  const leads = [];

  try {
    // Login
    log('📍 Step 1: Logging into Reonomy...');
    await page.goto('https://app.reonomy.com/#!/account', {
      waitUntil: 'domcontentloaded',
      timeout: 60000
    });

    await sleep(2000);

    await page.type('input[type="email"]', REONOMY_EMAIL, { delay: 100 });
    await page.type('input[type="password"]', REONOMY_PASSWORD, { delay: 100 });
    await page.click('button[type="submit"]');

    log('⏳ Waiting for login...');
    await sleep(10000);

    // Check if logged in
    const url = page.url();
    if (url.includes('login') || url.includes('auth')) {
      throw new Error('Login failed. Please check credentials.');
    }

    log('✅ Successfully logged in!');

    // Navigate to search
    log('\n📍 Step 2: Navigating to search...');
    await page.goto('https://app.reonomy.com/#!/search', {
      waitUntil: 'networkidle2',
      timeout: 60000
    });

    await sleep(3000);

    // Apply advanced filters for contact info
    log('\n📍 Step 3: Applying advanced filters...');
    await applyAdvancedFilters(page);

    // Perform search
    log(`📍 Step 4: Searching for: ${SEARCH_LOCATION}...`);

    const searchInput = await page.waitForSelector('input[placeholder*="address"], input[placeholder*="Search"]', {
      timeout: 10000
    }).catch(() => {
      return page.waitForSelector('input[type="text"]', { timeout: 5000 });
    });

    if (searchInput) {
      await searchInput.click({ clickCount: 3 });
      await searchInput.type(SEARCH_LOCATION, { delay: 100 });
      await sleep(1000);
      await page.keyboard.press('Enter');
      log('⏳ Searching...');
      await sleep(5000);
    }

    // Extract search ID
    const urlMatch = page.url().match(/search\/([a-f0-9-]+)/);
    if (!urlMatch) {
      throw new Error('Could not extract search ID from URL');
    }
    const searchId = urlMatch[1];
    log(`✅ Search ID: ${searchId}`);

    // Extract property IDs from search results
    log('\n📍 Step 5: Extracting property IDs...');
    const propertyIds = await page.evaluate(() => {
      const ids = [];
      const links = document.querySelectorAll('a[href*="/property/"]');

      links.forEach(link => {
        const href = link.href;
        const match = href.match(/property\/([a-f0-9-]+)/);
        if (match) {
          ids.push({
            id: match[1],
            url: href
          });
        }
      });

      return ids;
    });

    log(`✅ Found ${propertyIds.length} property IDs`);

    if (propertyIds.length === 0) {
      log('⚠️  No property IDs found. Check search results.');
      throw new Error('No properties found on search page.');
    }

    // Limit properties
    const propertiesToScrape = propertyIds.slice(0, MAX_PROPERTIES);

    log(`\n📍 Step 6: Clicking through ${propertiesToScrape.length} properties...`);

    for (let i = 0; i < propertiesToScrape.length; i++) {
      const prop = propertiesToScrape[i];
      
      log(`\n[${i + 1}/${propertiesToScrape.length}] Property ID: ${prop.id}`);
      
      // Click on property button
      log(`  🔗 Clicking property...`);
      try {
        await page.evaluateHandle((propData) => {
          const buttons = Array.from(document.querySelectorAll('button'));
          const target = buttons.find(b => {
            const link = b.querySelector('a[href*="/property/"]');
            return link && link.href.includes(propData.id);
          });
          
          if (target) {
            // Scroll into view if needed
            target.scrollIntoView({ behavior: 'smooth', block: 'center' });
            target.click();
          }
        }, { id: prop.id });
      } catch (e) {
        log(`  ⚠️  Could not click property: ${e.message}`);
      }

      await sleep(3000);

      // Wait for property page to load
      log(`  ⏳ Waiting for property page to load...`);
      await sleep(PAGE_LOAD_DELAY_MS);

      // Extract contact info from property page
      const contactInfo = await extractContactInfoFromProperty(page);
      log(`  📧 Emails: ${contactInfo.emails.length} found`);
      log(`  📞 Phones: ${contactInfo.phones.length} found`);

      const lead = {
        scrapeDate: new Date().toISOString().split('T')[0],
        propertyId: prop.id,
        propertyUrl: prop.url,
        address: contactInfo.address || '',
        emails: contactInfo.emails,
        phones: contactInfo.phones,
        owners: contactInfo.owners,
        pageTitle: contactInfo.pageTitle
      };

      leads.push(lead);

      // Go back to search results
      log(`  🔙 Going back to search results...`);
      await page.goto(`https://app.reonomy.com/#!/search/${searchId}`, {
        waitUntil: 'networkidle2',
        timeout: 30000
      });

      await sleep(3000);

      // Rate limiting
      const rateDelay = 2000;
      log(`  ⏸ Rate limit delay: ${rateDelay}ms...`);
      await sleep(rateDelay);
    }

    // Save results
    if (leads.length > 0) {
      log(`\n✅ Total leads scraped: ${leads.length}`);

      const outputData = {
        scrapeDate: new Date().toISOString(),
        location: SEARCH_LOCATION,
        searchId: searchId,
        leadCount: leads.length,
        leads: leads
      };

      fs.writeFileSync(OUTPUT_FILE, JSON.stringify(outputData, null, 2));
      log(`💾 Saved to: ${OUTPUT_FILE}`);
    } else {
      log('\n⚠️  No leads scraped.');
    }

    log('\n✅ Scraping complete!');

    return { leadCount: leads.length, outputFile: OUTPUT_FILE };

  } catch (error) {
    log(`\n❌ Error: ${error.message}`);
    log(error.stack);

    try {
      await page.screenshot({ path: '/tmp/reonomy-v6-error.png', fullPage: true });
      log('📸 Error screenshot saved: /tmp/reonomy-v6-error.png');
    } catch (e) {}

    throw error;

  } finally {
    await browser.close();
    log('\n🔚 Browser closed');
  }
}

// Run
scrapeLeads()
  .then(result => {
    log(`\n🎉 Success! ${result.leadCount} leads scraped.`);
    console.log(`\n💾 View your leads at: ${result.outputFile}`);
    process.exit(0);
  })
  .catch(error => {
    log(`\n💥 Scraper failed: ${error.message}`);
    process.exit(1);
  });