/**
 * ═══════════════════════════════════════════════════════════════
 * MAHRAK GEO PLATFORM — API INTEGRATION
 * ═══════════════════════════════════════════════════════════════
 * 
 * This file connects the index.html UI with all backend APIs
 * Handles: Smart Scan, Audit Form, Dashboard Data
 */

// ═══ CONFIG ═══
const API_BASE = 'http://localhost:8001/api'; // Point to backend on port 8001
const API_ENDPOINTS = {
  // Analysis & Crawling
  jobs: `${API_BASE}/jobs`,
  jobResults: (jobId) => `${API_BASE}/jobs/${jobId}/results`,
  jobStatus: (jobId) => `${API_BASE}/jobs/${jobId}`,
  
  // Keywords
  keywords: (jobId) => `${API_BASE}/jobs/${jobId}/keywords`,
  
  // Tavily Search (for Smart Scan)
  tavilySearch: `${API_BASE}/tavily/search`,
  
  // Competitor Intelligence
  competitorIntel: `${API_BASE}/competitor/intelligence`,
  
  // Health Check
  health: `${API_BASE}/health`,
  
  // Auth
  auth: {
    login: `${API_BASE}/auth/login`,
    register: `${API_BASE}/auth/register`,
    me: `${API_BASE}/users/me`,
  }
};

// ═══ UTILITY: Get Auth Token ═══
function getAuthToken() {
  return localStorage.getItem('token') || null;
}

function setAuthToken(token) {
  localStorage.setItem('token', token);
}

// ═══ UTILITY: API Request Helper ═══
async function apiRequest(endpoint, options = {}) {
  const token = getAuthToken();
  const headers = {
    'Content-Type': 'application/json',
    ...options.headers,
  };
  
  if (token) {
    headers['Authorization'] = `Bearer ${token}`;
  }
  
  try {
    const response = await fetch(endpoint, {
      ...options,
      headers,
    });
    
    const data = await response.json();
    
    if (!response.ok) {
      console.error(`API Error [${response.status}]:`, data);
      throw new Error(data.error || `HTTP ${response.status}`);
    }
    
    return data;
  } catch (error) {
    console.error('API Request Failed:', error);
    throw error;
  }
}

// ═══════════════════════════════════════════════════════════════
// SMART SCAN — Connect to Real Backend
// ═══════════════════════════════════════════════════════════════

async function runSmartScanWithAPI(businessName) {
  console.log('🚀 Starting Smart Scan for:', businessName);
  
  try {
    // Step 1: Check API Health
    console.log('📡 Checking API health...');
    const health = await apiRequest(API_ENDPOINTS.health);
    console.log('✓ API Health:', health);
    
    // Step 2: Run Tavily Search for AI Visibility
    console.log('🤖 Scanning AI Search Engines...');
    const aiSearchResult = await apiRequest(API_ENDPOINTS.tavilySearch, {
      method: 'POST',
      body: JSON.stringify({
        query: `"${businessName}" OR ${businessName} best recommendation`,
        max_results: 5,
        search_depth: 'advanced'
      })
    });
    console.log('✓ AI Search Results:', aiSearchResult);
    
    // Step 3: Run Tavily Search for Google Results
    console.log('🔍 Scanning Google Search...');
    const googleSearchResult = await apiRequest(API_ENDPOINTS.tavilySearch, {
      method: 'POST',
      body: JSON.stringify({
        query: businessName,
        max_results: 10,
        search_depth: 'basic'
      })
    });
    console.log('✓ Google Search Results:', googleSearchResult);
    
    // Step 4: Run Tavily Search for Social
    console.log('📱 Scanning Social Media...');
    const socialSearchResult = await apiRequest(API_ENDPOINTS.tavilySearch, {
      method: 'POST',
      body: JSON.stringify({
        query: `${businessName} site:tiktok.com OR site:instagram.com OR site:youtube.com`,
        max_results: 5,
        search_depth: 'basic'
      })
    });
    console.log('✓ Social Search Results:', socialSearchResult);
    
    // Step 5: Compile Results
    const scanResults = {
      businessName,
      timestamp: new Date().toISOString(),
      engines: {
        aiSearch: {
          name: 'AI Search (ChatGPT/Gemini/Perplexity)',
          results: aiSearchResult.result?.results || [],
          score: calculateScore(aiSearchResult.result?.results || []),
          status: (aiSearchResult.result?.results || []).length > 0 ? 'found' : 'missing'
        },
        googleSearch: {
          name: 'Google Search',
          results: googleSearchResult.result?.results || [],
          score: calculateScore(googleSearchResult.result?.results || []),
          status: (googleSearchResult.result?.results || []).length > 0 ? 'found' : 'missing'
        },
        socialSearch: {
          name: 'Social Media (TikTok/Instagram/YouTube)',
          results: socialSearchResult.result?.results || [],
          score: calculateScore(socialSearchResult.result?.results || []),
          status: (socialSearchResult.result?.results || []).length > 0 ? 'found' : 'missing'
        }
      }
    };
    
    console.log('✓ Scan Complete:', scanResults);
    return scanResults;
    
  } catch (error) {
    console.error('❌ Smart Scan Failed:', error);
    throw error;
  }
}

function calculateScore(results) {
  if (!results || results.length === 0) return 0;
  // Score based on number of results and relevance
  return Math.min(100, results.length * 15);
}

// ═══════════════════════════════════════════════════════════════
// AUDIT FORM — Connect to Analysis System
// ═══════════════════════════════════════════════════════════════

async function submitAuditForm(formData) {
  console.log('📋 Submitting Audit Form:', formData);
  
  try {
    // Step 1: Create a new job/analysis
    console.log('🔄 Creating analysis job...');
    const jobResponse = await apiRequest(API_ENDPOINTS.jobs, {
      method: 'POST',
      body: JSON.stringify({
        url: formData.website,
        org_name: formData.businessName,
        org_url: formData.website,
        max_pages: 10,
        runs: 1,
        metadata: {
          contactName: formData.name,
          contactEmail: formData.email,
          contactPhone: formData.phone,
          sector: formData.sector
        }
      })
    });
    
    if (!jobResponse.ok) {
      throw new Error(jobResponse.error || 'Failed to create job');
    }
    
    const jobId = jobResponse.job_id;
    console.log('✓ Job Created:', jobId);
    
    // Step 2: Poll for job completion
    console.log('⏳ Waiting for analysis to complete...');
    const analysisResult = await pollJobCompletion(jobId);
    console.log('✓ Analysis Complete:', analysisResult);
    
    // Step 3: Get detailed results
    console.log('📊 Fetching detailed results...');
    const detailedResults = await apiRequest(API_ENDPOINTS.jobResults(jobId));
    console.log('✓ Detailed Results:', detailedResults);
    
    return {
      jobId,
      formData,
      analysisResult,
      detailedResults
    };
    
  } catch (error) {
    console.error('❌ Audit Form Submission Failed:', error);
    throw error;
  }
}

async function pollJobCompletion(jobId, maxAttempts = 40, interval = 3000) {
  let attempts = 0;
  
  return new Promise((resolve, reject) => {
    const poll = async () => {
      try {
        const jobStatus = await apiRequest(API_ENDPOINTS.jobStatus(jobId));
        console.log(`[Attempt ${attempts + 1}/${maxAttempts}] Job Status:`, jobStatus.status);
        
        if (jobStatus.status === 'completed') {
          resolve(jobStatus);
        } else if (jobStatus.status === 'failed') {
          reject(new Error('Job failed: ' + (jobStatus.error || 'Unknown error')));
        } else if (attempts >= maxAttempts) {
          reject(new Error('Job polling timeout'));
        } else {
          attempts++;
          setTimeout(poll, interval);
        }
      } catch (error) {
        reject(error);
      }
    };
    
    poll();
  });
}

// ═══════════════════════════════════════════════════════════════
// DASHBOARD DATA — Load Real Data
// ═══════════════════════════════════════════════════════════════

async function loadDashboardData() {
  console.log('📊 Loading Dashboard Data...');
  
  try {
    // Get all jobs
    const jobsResponse = await apiRequest(API_ENDPOINTS.jobs);
    const jobs = jobsResponse.jobs || [];
    console.log('✓ Jobs Loaded:', jobs.length);
    
    // Get latest completed job
    const completedJobs = jobs.filter(j => j.status === 'completed');
    if (completedJobs.length === 0) {
      console.warn('⚠️ No completed jobs found');
      return null;
    }
    
    const latestJob = completedJobs[completedJobs.length - 1];
    console.log('✓ Latest Job:', latestJob.id);
    
    // Get job results
    const results = await apiRequest(API_ENDPOINTS.jobResults(latestJob.id));
    console.log('✓ Job Results:', results);
    
    // Get keywords
    const keywords = await apiRequest(API_ENDPOINTS.keywords(latestJob.id));
    console.log('✓ Keywords:', keywords);
    
    return {
      job: latestJob,
      results,
      keywords
    };
    
  } catch (error) {
    console.error('❌ Dashboard Data Load Failed:', error);
    return null;
  }
}

// ═══════════════════════════════════════════════════════════════
// COMPETITOR INTELLIGENCE
// ═══════════════════════════════════════════════════════════════

async function getCompetitorIntelligence(url, industry) {
  console.log('👥 Fetching Competitor Intelligence...');
  
  try {
    const result = await apiRequest(API_ENDPOINTS.competitorIntel, {
      method: 'POST',
      body: JSON.stringify({
        url,
        industry,
        count: 5
      })
    });
    
    console.log('✓ Competitor Intelligence:', result);
    return result;
    
  } catch (error) {
    console.error('❌ Competitor Intelligence Failed:', error);
    return null;
  }
}

// ═══════════════════════════════════════════════════════════════
// HEALTH CHECK — Test All Connections
// ═══════════════════════════════════════════════════════════════

async function testAllConnections() {
  console.log('🔍 Testing All API Connections...');
  
  const results = {
    timestamp: new Date().toISOString(),
    endpoints: {}
  };
  
  // Test Health
  try {
    const health = await apiRequest(API_ENDPOINTS.health);
    results.endpoints.health = { status: 'ok', data: health };
    console.log('✓ Health:', health);
  } catch (error) {
    results.endpoints.health = { status: 'error', error: error.message };
    console.error('✗ Health:', error.message);
  }
  
  // Test Auth (if token exists)
  const token = getAuthToken();
  if (token) {
    try {
      const me = await apiRequest(API_ENDPOINTS.auth.me);
      results.endpoints.auth = { status: 'ok', data: me };
      console.log('✓ Auth:', me);
    } catch (error) {
      results.endpoints.auth = { status: 'error', error: error.message };
      console.error('✗ Auth:', error.message);
    }
  }
  
  // Test Jobs
  try {
    const jobs = await apiRequest(API_ENDPOINTS.jobs);
    results.endpoints.jobs = { status: 'ok', count: (jobs.jobs || []).length };
    console.log('✓ Jobs:', jobs.jobs?.length || 0);
  } catch (error) {
    results.endpoints.jobs = { status: 'error', error: error.message };
    console.error('✗ Jobs:', error.message);
  }
  
  console.log('📋 Connection Test Results:', results);
  return results;
}

// ═══════════════════════════════════════════════════════════════
// EXPORT FOR USE IN HTML
// ═══════════════════════════════════════════════════════════════

window.MahrakAPI = {
  runSmartScanWithAPI,
  submitAuditForm,
  loadDashboardData,
  getCompetitorIntelligence,
  testAllConnections,
  apiRequest,
  getAuthToken,
  setAuthToken,
  API_ENDPOINTS
};

console.log('✓ Mahrak API Integration Loaded');