#!/usr/bin/env node
/**
 * Reonomy Scraper v12 - AGENT-BROWSER EDITION (Vercel Labs)
 *
 * Key features:
 * - Uses agent-browser CLI tool (Rust backend, Playwright engine)
 * - State save/load for auth persistence (no repeated login)
 * - Ref-based navigation (AI-friendly, deterministic)
 * - Semantic locators (find by role, text, label, placeholder)
 * - Extracts from BOTH Builder and Lot AND Owner tabs
 * - Uses direct ownership URLs (no property card clicking)
 * - Dual-tab extraction: property details + owner names + emails + phones
 *
 * Usage:
 *   SEARCH_ID="504a2d13-d88f-4213-9ac6-a7c8bc7c20c6" node reonomy-scraper-v12-agent-browser.js
 *   Or set as environment variable
 */

const { spawn } = require('child_process');
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_ID = process.env.REONOMY_SEARCH_ID || '504a2d13-d88f-4213-9ac6-a7c8bc7c20c6';
const MAX_PROPERTIES = parseInt(process.env.MAX_PROPERTIES) || 20;
const HEADLESS = process.env.HEADLESS !== 'false';

// Full path to agent-browser wrapper
const AGENT_BROWSER = '/opt/homebrew/bin/agent-browser';

const OUTPUT_FILE = path.join(__dirname, 'reonomy-leads-v12-agent-browser.json');
const LOG_FILE = path.join(__dirname, 'reonomy-scraper-v12.log');
const AUTH_STATE_FILE = path.join(__dirname, 'reonomy-auth-state.txt');

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));
}

/**
 * Execute agent-browser command and capture output
 */
async function execAgentBrowser(args, description = '') {
  const fullArgs = args.length > 0 ? [AGENT_BROWSER, ...args] : [AGENT_BROWSER];

  log(`🔧 ${description}`);
  log(`   Command: ${fullArgs.join(' ')}`);

  return new Promise((resolve, reject) => {
    const child = spawn(AGENT_BROWSER, args);

    let stdout = '';
    let stderr = '';

    child.stdout.on('data', data => {
      stdout += data.toString();
    });

    child.stderr.on('data', data => {
      stderr += data.toString();
    });

    child.on('close', code => {
      if (code === 0) {
        log(`   ✅ Success`);
        resolve(stdout.trim());
      } else {
        log(`   ❌ Failed (code ${code})`);
        if (stderr) {
          log(`   Error: ${stderr.trim()}`);
        }
        reject(new Error(`agent-browser failed with code ${code}: ${stderr.trim()}`));
      }
    });
  });
}

/**
 * Execute agent-browser command and parse JSON output
 */
async function execAgentBrowserJson(args, description = '') {
  const output = await execAgentBrowser([...args, '--json'], description);
  try {
    return JSON.parse(output);
  } catch (error) {
    log(`   ⚠️  JSON parse error: ${error.message}`);
    return null;
  }
}

/**
 * Check if auth state file exists and load it
 */
async function loadAuthState() {
  if (fs.existsSync(AUTH_STATE_FILE)) {
    const state = fs.readFileSync(AUTH_STATE_FILE, 'utf8');
    log('🔑 Loading saved auth state...');
    log(`   State file: ${AUTH_STATE_FILE}`);
    return state.trim();
  }
  return null;
}

/**
 * Save auth state to file
 */
async function saveAuthState(state) {
  fs.writeFileSync(AUTH_STATE_FILE, state);
  log('🔑 Saved auth state to file');
  log(`   State file: ${AUTH_STATE_FILE}`);
  log(`   State: ${state.substring(0, 100)}...`);
}

/**
 * Take screenshot for debugging
 */
async function takeScreenshot(filename) {
  const screenshotPath = `/tmp/${filename}`;
  const outputPath = await execAgentBrowser(['screenshot', screenshotPath], 'Taking screenshot');
  if (outputPath.includes('Saved')) {
    log(`   📸 Screenshot saved: ${screenshotPath}`);
  }
  return screenshotPath;
}

/**
 * Extract data from Builder and Lot tab
 */
async function extractBuilderLotData() {
  log('📊 Extracting Builder and Lot data...');

  // Get snapshot
  const snapshotResult = await execAgentBrowserJson(['snapshot', '-i'], 'Get interactive elements');
  const snapshot = JSON.parse(snapshotResult);

  if (!snapshot || !snapshot.data || !snapshot.data.refs) {
    log('   ⚠️  Could not get snapshot');
    return {
      propertyAddress: '',
      city: '',
      state: '',
      zip: '',
      squareFootage: '',
      propertyType: ''
    };
  }

  log(`   Found ${Object.keys(snapshot.data.refs || {}).length} interactive elements`);

  // Extract property details using semantic locators
  let propertyAddress = '';
  let city = '';
  let state = '';
  let zip = '';

  // Try heading first (property address)
  for (const [ref, element] of Object.entries(snapshot.data.refs || {})) {
    if (element.role === 'heading') {
      const addressMatch = element.name.match(/^(\d+[^,\n]+),\s*([A-Za-z\s,]+),\s*([A-Z]{2})\s*(\d{5})/);
      if (addressMatch) {
        propertyAddress = element.name.trim();
        city = addressMatch[1]?.trim() || '';
        state = addressMatch[2]?.trim() || '';
        zip = addressMatch[3]?.trim() || '';
        log(`   📍 Address: ${element.name}`);
        break;
      }
    }
  }

  // Extract square footage from body text
  const bodyTextResult = await execAgentBrowserJson(['eval', 'document.body.innerText'], 'Get body text');
  const bodyText = bodyTextResult?.data?.result || '';

  const sfMatch = bodyText.match(/(\d+\.?\d*\s*k?\s*SF)/i);
  const squareFootage = sfMatch ? sfMatch[0] : '';
  if (squareFootage) {
    log(`   📐 Square Footage: ${squareFootage}`);
  }

  // Extract property type
  const typePatterns = [
    'Warehouse', 'Office Building', 'Retail Stores', 'Industrial',
    'General Industrial', 'Medical Building', 'School', 'Religious',
    'Supermarket', 'Financial Building', 'Residential', 'Vacant Land',
    'Tax Exempt', 'Mixed Use'
  ];

  let propertyType = '';
  for (const type of typePatterns) {
    if (bodyText.includes(type)) {
      propertyType = type;
      log(`   🏢 Property Type: ${type}`);
      break;
    }
  }

  return {
    propertyAddress,
    city,
    state,
    zip,
    squareFootage,
    propertyType
  };
}

/**
 * Extract data from Owner tab (emails + phones + owner names)
 */
async function extractOwnerTabData() {
  log('👤 Extracting Owner tab data...');

  // Extract owner names using semantic locators
  const ownerData = await execAgentBrowserJson(['eval', `({
    ownerNames: [],
    emails: [],
    phones: []
  });`], 'Get owner data object');

  if (!ownerData || !ownerData.data?.result) {
    log('   ⚠️  Could not get owner data object');
    return {
      ownerNames: [],
      emails: [],
      phones: []
    };
  }

  const result = ownerData.data.result;

  // Extract owner names from page text (proven approach)
  const bodyTextResult = await execAgentBrowserJson(['eval', 'document.body.innerText'], 'Get body text');
  const bodyText = bodyTextResult?.data?.result || '';

  const ownerLines = bodyText.split('\n');

  for (const line of ownerLines) {
    // Look for "Owner: X properties" pattern
    const ownsMatch = line.match(/Owner:\s*(\d+)\s+properties?\s*([A-Z][a-z]+)/i);
    if (ownsMatch && ownsMatch[2]) {
      const owner = ownsMatch[2].trim();
      if (owner && owner.length > 3 && !result.ownerNames.includes(owner)) {
        result.ownerNames.push(owner);
        log(`   👤 Owner: ${owner}`);
      }
    }
  }

  log(`   👤 Owners found: ${result.ownerNames.length}`);

  // Extract emails using dual approach
  // 1. Mailto links
  const mailtoResult = await execAgentBrowserJson(['eval', `({
    mailtoLinks: Array.from(document.querySelectorAll('a[href^="mailto:"]')).map(a => a.href.replace('mailto:', ''))
  });`], 'Extract mailto links');

  if (mailtoResult && mailtoResult.data?.result?.mailtoLinks) {
    mailtoResult.data.result.mailtoLinks.forEach(email => {
      const cleanedEmail = email.trim();
      if (cleanedEmail && cleanedEmail.length > 5 && !result.emails.includes(cleanedEmail)) {
        result.emails.push(cleanedEmail);
      }
    });
    log(`   📧 Emails from mailto links: ${result.emails.length}`);
  }

  // 2. Email patterns in text
  const emailRegex = /[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}/g;
  const emailMatches = bodyText.match(emailRegex) || [];

  if (emailMatches) {
    emailMatches.forEach(email => {
      if (!result.emails.includes(email)) {
        result.emails.push(email);
      }
    });
    log(`   📧 Emails from text regex: ${emailMatches.length}`);
  }

  log(`   📧 Total emails: ${result.emails.length}`);

  // Extract phones using user-provided CSS selector
  const phoneResult = await execAgentBrowserJson(['eval', `({
    phoneTexts: Array.from(document.querySelectorAll('p.MuiTypography-root.jss1797.jss1798.MuiTypography-body2')).map(p => p.textContent.trim()).filter(text => text.length >= 10)
  });`], 'Extract phones using CSS selector');

  if (phoneResult && phoneResult.data?.result?.phoneTexts) {
    phoneResult.data.result.phoneTexts.forEach(phone => {
      // Clean phone numbers
      const cleanPhone = phone.replace(/[\s\-\(\)]/g, '');
      if (cleanPhone.length >= 10 && !result.phones.includes(cleanPhone)) {
        result.phones.push(cleanPhone);
      }
    });
    log(`   📞 Phones found: ${result.phones.length}`);
  }

  log(`   📞 Total phones: ${result.phones.length}`);

  return result;
}

/**
 * Extract property IDs from search results
 */
async function extractPropertyIds() {
  log('📍 Extracting property IDs...');

  const snapshot = await execAgentBrowserJson(['snapshot', '-c'], 'Get property links from search');

  if (!snapshot || !snapshot.data || !snapshot.data.refs) {
    log('   ⚠️  Could not get snapshot');
    return [];
  }

  const propertyIds = [];

  // Find all property links from search results
  for (const [ref, element] of Object.entries(snapshot.data.refs || {})) {
    if (element.role === 'link') {
      const match = element.url?.match(/property\/([a-f0-9-]+)/);
      if (match) {
        propertyIds.push({
          id: match[1],
          url: element.url
        });
      }
    }
  }

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

  return propertyIds;
}

/**
 * Main scraper function
 */
async function scrapeLeads() {
  log('🚀 Starting Reonomy Scraper v12 (AGENT-BROWSER EDITION)...\n');

  // Check for saved auth state
  const savedState = await loadAuthState();
  let isLoggedIn = false;

  // Step 1: Login to Reonomy (only if no saved state)
  if (!savedState) {
    log('\n📍 Step 1: Checking login status...');
    await execAgentBrowser(['open', 'https://app.reonomy.com/#!/login'], 'Open login page');
    await sleep(2000);

    // Check if we're already logged in
    const snapshot = await execAgentBrowserJson(['snapshot', '-i'], 'Check if already logged in');

    // Check if we see "Search Reonomy" button - indicates we're logged in
    const isAlreadyLoggedIn = Object.values(snapshot.data?.refs || {}).some(
      elem => elem.role === 'button' && elem.name === 'Search Reonomy'
    );

    if (isAlreadyLoggedIn) {
      log('✅ Already logged in!');
      isLoggedIn = true;
    } else {
      log('🔐 Not logged in, proceeding with login flow...');

    if (!snapshot || !snapshot.data || !snapshot.data.refs) {
      log('   ⚠️  Could not get login form snapshot');
      throw new Error('Login form not found');
    }

    // Find email and password inputs
    let emailRef = null;
    let passwordRef = null;
    let loginButtonRef = null;

    for (const [ref, element] of Object.entries(snapshot.data.refs || {})) {
      if (element.role === 'textbox') {
        const name = (element.name || element.placeholder || '').toLowerCase();
        if (name.includes('email')) {
          emailRef = ref;
        } else if (name.includes('password')) {
          passwordRef = ref;
        }
      } else if (element.role === 'button' && element.name) {
        const name = element.name.toLowerCase();
        if (name.includes('log in') || name.includes('sign in')) {
          loginButtonRef = ref;
        }
      }
    }

    if (!emailRef || !passwordRef || !loginButtonRef) {
      log('   ⚠️  Could not find login form elements');
      throw new Error('Login form not found');
    }

    // Fill email using ref
    log('  📧 Filling email...');
    await execAgentBrowser(['fill', emailRef, REONOMY_EMAIL], 'Fill email');
    await sleep(500);

    // Fill password using ref
    log('  🔒 Filling password...');
    await execAgentBrowser(['fill', passwordRef, REONOMY_PASSWORD], 'Fill password');
    await sleep(500);

    // Click login button using ref
    log('  🔑 Clicking login button...');
    await execAgentBrowser(['click', loginButtonRef], 'Click login button');
    await sleep(500);

    // Press Enter to submit the form
    log('  ⏎ Pressing Enter to submit...');
    await execAgentBrowser(['press', 'Enter'], 'Press Enter');

    // Wait for login
    log('  ⏳ Waiting for login...');
    await sleep(15000);

    // Check if logged in
    const urlCheck = await execAgentBrowserJson(['eval', 'window.location.href'], 'Check current URL');

    if (urlCheck?.data?.result && (urlCheck.data.result.includes('#!/search/') || urlCheck.data.result.includes('/!/home'))) {
      isLoggedIn = true;
      log('✅ Successfully logged in!');

      // Extract search ID from current URL if present
      const searchIdMatch = urlCheck.data.result.match(/#!\/search\/([a-f0-9-]+)/);
      if (searchIdMatch) {
        const currentSearchId = searchIdMatch[1];

        // Save auth state for future use
        await saveAuthState(urlCheck.data.result);

        log('📝 Search ID updated: ' + currentSearchId);
        SEARCH_ID = currentSearchId;
      } else {
        // Login went to home page, we'll navigate to search below
        log('🏠 Logged in to home page, will navigate to search');
      }
    } else {
      log('⚠️  Could not confirm login - URL does not match expected pattern');
      throw new Error('Login may have failed');
    }
    }
  } else {
    log('✅ Found saved auth state! Skipping login flow.');
    isLoggedIn = true;
    log(`   Saved state: ${savedState.substring(0, 100)}...`);

    // Extract search ID from saved state
    const searchIdMatch = savedState.match(/#!\/search\/([a-f0-9-]+)/);
    if (searchIdMatch) {
      const currentSearchId = searchIdMatch[1];
      SEARCH_ID = currentSearchId;
      log(`📝 Search ID from saved state: ${currentSearchId}`);
    } else {
      log('⚠️  Could not extract search ID from saved state');
      throw new Error('Could not extract search ID from saved auth state');
    }
  }

  // Step 2: Navigate to search
  log('\n📍 Step 2: Navigating to search...');
  const searchUrl = `https://app.reonomy.com/#!/search/${SEARCH_ID}`;

  await execAgentBrowser(['open', searchUrl], 'Open search URL');
  await sleep(3000);

  // Step 3: Extract property IDs
  log('\n📍 Step 3: Extracting property IDs...');
  const propertyIds = await extractPropertyIds();

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

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

  // Step 4: Process each property
  const propertiesToScrape = propertyIds.slice(0, MAX_PROPERTIES);

  log(`\n📍 Step 4: Processing ${propertiesToScrape.length} properties...\n`);

  const leads = [];

  for (let i = 0; i < propertiesToScrape.length; i++) {
    const prop = propertiesToScrape[i];

    log(`\n[${i + 1}/${propertiesToScrape.length}] Property ID: ${prop.id}`);

    // Navigate directly to ownership page (from your research)
    const ownershipUrl = `https://app.reonomy.com/#!/search/${SEARCH_ID}/property/${prop.id}/ownership`;
    log(`  🔗 Navigating to ownership page...`);

    await execAgentBrowser(['open', ownershipUrl], 'Open ownership URL');
    await sleep(5000);

    // Wait for Owner tab to load
    log('  ⏳ Waiting for Owner tab to load...');
    await sleep(8000);

    // Extract data from Builder and Lot tab
    log('  📊 Extracting Builder and Lot data...');
    const builderLotData = await extractBuilderLotData();

    // Wait a moment before extracting Owner tab
    await sleep(500);

    // Extract data from Owner tab
    log('  👤 Extracting Owner tab data...');
    const ownerData = await extractOwnerTabData();

    const lead = {
      scrapeDate: new Date().toISOString().split('T')[0],
      propertyId: prop.id,
      propertyUrl: ownershipUrl,
      ...builderLotData,
      ...ownerData,
      searchId: SEARCH_ID
    };

    log(`  📧 Emails: ${ownerData.emails.length}`);
    log(`  📞 Phones: ${ownerData.phones.length}`);
    log(`  👤 Owners: ${ownerData.ownerNames.length}`);
    log(`  📍 Address: ${builderLotData.propertyAddress || 'N/A'}`);

    leads.push(lead);

    // Screenshot for debugging (first 3 properties only)
    if (i < 3) {
      const screenshotPath = `/tmp/reonomy-v12-property-${i + 1}.png`;
      await takeScreenshot(screenshotPath);
    }
  }

  // Step 5: Save results
  if (leads.length > 0) {
    log(`\n✅ Total leads scraped: ${leads.length}`);

    const outputData = {
      scrapeDate: new Date().toISOString(),
      searchId: SEARCH_ID,
      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 };
}

/**
 * Main execution
 */
(async () => {
  try {
    await scrapeLeads();
    process.exit(0);
  } catch (error) {
    log(`\n❌ Error: ${error.message}`);
    log(error.stack);

    // Take screenshot of error state
    try {
      await takeScreenshot('reonomy-v12-error.png');
      log('📸 Error screenshot saved: /tmp/reonomy-v12-error.png');
    } catch (e) {
      log('Could not save error screenshot');
    }

    process.exit(1);
  }
})();