Best Heap Analytics Comprehensive User Analytics Phone Validation API & Email Verification Integration 2025

// Enhanced Heap Analytics integration with 1lookup validation
// Initialize Heap Analytics
window.heap=window.heap||[],heap.load=function(e,t){window.heap.appid=e,window.heap.config=t=t||{};var r=document.createElement("script");r.type="text/javascript",r.async=!0,r.src="https://cdn.heapanalytics.com/js/heap-"+e+".js";var a=document.getElementsByTagName("script")[0];a.parentNode.insertBefore(r,a);for(var n=function(e){return function(){heap.push([e].concat(Array.prototype.slice.call(arguments,0)))}},p=["addEventProperties","addUserProperties","clearEventProperties","identify","resetIdentity","removeEventProperty","setEventProperties","track","unsetEventProperty"],o=0;o<p.length;o++)heap[p[o]]=n(p[o])};
heap.load("YOUR_HEAP_APP_ID");

// Enhanced user identification with contact validation
window.identifyHeapUserWithValidation = async function(userId, userProperties) {
  try {
    // Validate user contact information if present
    if (userProperties.email || userProperties.phone) {
      const validationData = await validateUserContactForHeap({
        phone: userProperties.phone,
        email: userProperties.email
      });
      
      // Enhance user properties with validation results
      const enhancedProperties = {
        ...userProperties,
        // Phone validation properties
        phone_validation_status: validationData.phone?.is_valid ? 'valid' : 'invalid',
        phone_carrier: validationData.phone?.carrier_details?.name || '',
        phone_line_type: validationData.phone?.carrier_details?.type || '',
        phone_country: validationData.phone?.location_details?.country || '',
        phone_region: validationData.phone?.location_details?.region || '',
        phone_risk_level: validationData.phone?.risk_assessment?.risk_level || '',
        // Email validation properties
        email_validation_status: validationData.email?.is_valid ? 'valid' : 'invalid',
        email_deliverability: validationData.email?.deliverability?.status || '',
        email_domain_type: validationData.email?.domain_details?.type || '',
        email_risk_level: validationData.email?.risk_assessment?.risk_level || '',
        // User analytics specific enhancements
        user_quality_score: calculateHeapUserQualityScore(validationData),
        user_quality_tier: determineHeapUserTier(validationData),
        is_verified_user: isVerifiedHeapUser(validationData),
        analytics_validation_timestamp: new Date().toISOString(),
        // Heap-specific properties
        heap_user_validation_version: '2025.1',
        user_analytics_segment: determineUserAnalyticsSegment(validationData),
        automatic_capture_priority: calculateAutomaticCapturePriority(validationData)
      };
      
      // Identify user with enhanced properties in Heap Analytics
      heap.identify(userId);
      heap.addUserProperties(enhancedProperties);
      
      // Set global event properties for automatic capture enhancement
      heap.addEventProperties({
        user_quality_score: enhancedProperties.user_quality_score,
        user_quality_tier: enhancedProperties.user_quality_tier,
        validation_status: enhancedProperties.is_verified_user ? 'verified' : 'unverified',
        automatic_capture_priority: enhancedProperties.automatic_capture_priority
      });
      
      // Track validation event for user analytics
      heap.track('User Contact Validated', {
        validation_type: 'user_analytics_enhancement',
        phone_valid: validationData.phone?.is_valid,
        email_valid: validationData.email?.is_valid,
        quality_score: enhancedProperties.user_quality_score,
        analytics_segment: enhancedProperties.user_analytics_segment
      });
      
    } else {
      // Standard identification without validation
      heap.identify(userId);
      heap.addUserProperties(userProperties);
    }
    
  } catch (error) {
    console.error('Heap Analytics user validation error:', error);
    // Fallback to standard identification
    heap.identify(userId);
    heap.addUserProperties({
      ...userProperties,
      validation_error: true,
      validation_error_message: error.message
    });
  }
};

// Contact validation function optimized for comprehensive user analytics
async function validateUserContactForHeap(contactData) {
  const response = await fetch('https://app.1lookup.io/api/v1/validate', {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer YOUR_1LOOKUP_API_KEY',
      'Content-Type': 'application/json',
      'X-Integration': 'heap-analytics'
    },
    body: JSON.stringify({
      ...contactData,
      include_carrier_details: true,
      include_location_details: true,
      include_risk_assessment: true,
      user_analytics_context: true
    })
  });
  
  if (!response.ok) {
    throw new Error(`User analytics validation failed: ${response.status}`);
  }
  
  return await response.json();
}

// Calculate user analytics-specific quality score
function calculateHeapUserQualityScore(validationData) {
  let score = 0;
  
  // Email scoring for user analytics
  if (validationData.email?.is_valid) score += 40;
  if (validationData.email?.deliverability?.status === 'deliverable') score += 15;
  
  // Phone scoring for user analytics
  if (validationData.phone?.is_valid) score += 35;
  if (validationData.phone?.risk_assessment?.risk_level === 'low') score += 10;
  
  return Math.min(100, score);
}

// Determine user analytics tier
function determineHeapUserTier(validationData) {
  const qualityScore = calculateHeapUserQualityScore(validationData);
  
  if (qualityScore >= 80) return 'premium_analytics_user';
  if (qualityScore >= 60) return 'high_value_analytics_user';
  if (qualityScore >= 40) return 'standard_analytics_user';
  return 'basic_analytics_user';
}

// Calculate automatic capture priority based on user quality
function calculateAutomaticCapturePriority(validationData) {
  const qualityScore = calculateHeapUserQualityScore(validationData);
  
  if (qualityScore >= 80) return 'high';
  if (qualityScore >= 60) return 'medium';
  return 'standard';
}

// Enhanced Heap Analytics server-side integration with contact validation
const axios = require('axios');

class HeapAnalyticsUserValidator {
  constructor(appId, lookupApiKey) {
    this.appId = appId;
    this.lookupApiKey = lookupApiKey;
    this.baseUrl = 'https://heapanalytics.com/api/track';
    this.userCache = new Map();
  }
  
  async trackUserEventWithValidation(userId, eventName, eventProperties, userContext) {
    try {
      // Get or validate user contact data
      let userValidation = this.userCache.get(userId);
      if (!userValidation) {
        userValidation = await this.validateUserForAnalytics(userContext);
        this.userCache.set(userId, userValidation);
      }
      
      // Calculate comprehensive event quality
      const eventQuality = this.calculateComprehensiveEventQuality(
        eventName,
        eventProperties,
        userValidation
      );
      
      // Enhanced user analytics event properties
      const enhancedEventProperties = {
        ...eventProperties,
        // User validation context
        user_quality_score: userValidation.quality_score,
        user_quality_tier: userValidation.tier,
        user_verification_status: userValidation.verification_status,
        // Event quality metrics
        event_quality_score: eventQuality.score,
        event_reliability: eventQuality.reliability,
        analytics_value_tier: eventQuality.value_tier,
        is_high_value_event: eventQuality.is_high_value,
        // Behavioral insights
        user_behavior_authenticity: eventQuality.behavior_authenticity,
        user_engagement_quality: eventQuality.engagement_quality,
        automatic_capture_confidence: eventQuality.capture_confidence,
        // User analytics insights
        behavioral_pattern_reliability: eventQuality.pattern_reliability,
        user_journey_quality: eventQuality.journey_quality,
        conversion_potential_score: eventQuality.conversion_potential,
        // Geographic and demographic context
        user_geographic_region: userValidation.region,
        device_trust_score: eventQuality.device_trust,
        analytics_anomaly_score: eventQuality.anomaly_score,
        // Heap-specific enhancements
        automatic_event_priority: eventQuality.auto_event_priority,
        funnel_analysis_weight: eventQuality.funnel_weight,
        user_analytics_optimization_value: eventQuality.optimization_value
      };
      
      // Track enhanced event in Heap Analytics
      await this.sendHeapAnalyticsEvent(userId, eventName, enhancedEventProperties);
      
      // Track user analytics quality event
      await this.sendHeapAnalyticsEvent(userId, 'User Analytics Quality Event', {
        original_event: eventName,
        quality_score: eventQuality.score,
        user_tier: userValidation.tier,
        analytics_value: eventQuality.analytics_value
      });
      
      // Update user analytics profile
      await this.updateUserAnalyticsProfile(userId, eventQuality, userValidation);
      
      return { success: true, eventQuality, userValidation };
      
    } catch (error) {
      console.error('User analytics event validation error:', error);
      
      // Fallback tracking
      await this.sendHeapAnalyticsEvent(userId, eventName, {
        ...eventProperties,
        validation_error: true,
        error_type: 'analytics_validation_failed'
      });
      
      return { success: false, error: error.message };
    }
  }
  
  async validateUserForAnalytics(userContext) {
    try {
      const contactData = {
        phone: userContext.phone,
        email: userContext.email
      };
      
      if (!contactData.phone && !contactData.email) {
        return this.getDefaultAnalyticsValidation();
      }
      
      const response = await axios.post('https://app.1lookup.io/api/v1/validate', contactData, {
        headers: {
          'Authorization': `Bearer ${this.lookupApiKey}`,
          'Content-Type': 'application/json',
          'X-Integration': 'heap-analytics-server'
        }
      });
      
      const validation = response.data;
      
      return {
        quality_score: this.calculateAnalyticsQualityScore(validation),
        tier: this.determineAnalyticsTier(validation),
        verification_status: this.getAnalyticsVerificationStatus(validation),
        phone_verified: validation.phone?.is_valid,
        email_verified: validation.email?.is_valid,
        fraud_risk_level: validation.fraud_risk_level,
        country: validation.phone?.location_details?.country,
        region: validation.phone?.location_details?.region,
        carrier_type: validation.phone?.carrier_details?.type,
        analytics_segment: this.determineAnalyticsSegment(validation),
        behavioral_reliability: this.calculateBehavioralReliability(validation)
      };
      
    } catch (error) {
      console.error('User analytics validation error:', error);
      return this.getDefaultAnalyticsValidation();
    }
  }
  
  calculateComprehensiveEventQuality(eventName, eventProperties, userValidation) {
    let score = 0;
    let reliability = 0;
    let behaviorAuthenticity = 0;
    
    // Base score from user validation
    const userQuality = userValidation.quality_score || 0;
    score = userQuality * 0.5; // 50% weight from user quality
    
    // Event-specific scoring for user analytics
    const analyticsEventMultipliers = {
      'pageview': 1.0,
      'click': 1.1,
      'form_submit': 1.4,
      'signup': 1.8,
      'purchase': 2.0,
      'subscription': 2.2,
      'feature_usage': 1.3,
      'engagement_action': 1.5,
      'retention_action': 1.6,
      'referral_action': 1.7
    };
    
    score *= (analyticsEventMultipliers[eventName] || 1.0);
    
    // User analytics value calculation
    const analyticsValue = this.calculateEventAnalyticsValue(eventName, eventProperties, userValidation);
    
    // Reliability scoring for comprehensive analytics
    reliability = this.calculateEventAnalyticsReliability(userValidation, eventProperties);
    
    // Behavior authenticity for automatic capture
    behaviorAuthenticity = this.calculateBehaviorAuthenticity(
      userValidation,
      eventName,
      eventProperties
    );
    
    return {
      score: Math.min(100, score),
      reliability: Math.min(100, reliability),
      value_tier: this.determineAnalyticsValueTier(analyticsValue),
      is_high_value: score >= 70 && reliability >= 80,
      behavior_authenticity: Math.min(100, behaviorAuthenticity),
      engagement_quality: this.calculateEngagementQuality(userValidation, eventName),
      capture_confidence: this.calculateCaptureConfidence(userValidation, eventProperties),
      pattern_reliability: this.calculatePatternReliability(userValidation),
      journey_quality: this.calculateJourneyQuality(userValidation, eventName),
      conversion_potential: this.calculateConversionPotential(userValidation, eventName),
      device_trust: this.calculateDeviceTrust(eventProperties, userValidation),
      anomaly_score: this.calculateAnalyticsAnomalyScore(eventProperties),
      auto_event_priority: this.calculateAutoEventPriority(score, behaviorAuthenticity),
      funnel_weight: this.calculateFunnelWeight(userValidation),
      optimization_value: this.calculateOptimizationValue(score, reliability),
      analytics_value: analyticsValue
    };
  }
  
  async sendHeapAnalyticsEvent(userId, eventName, properties) {
    const payload = {
      app_id: this.appId,
      identity: userId,
      event: eventName,
      properties: properties,
      timestamp: new Date().toISOString()
    };
    
    try {
      await axios.post(this.baseUrl, payload, {
        headers: {
          'Content-Type': 'application/json'
        }
      });
    } catch (error) {
      console.error('Heap Analytics event tracking error:', error);
      throw error;
    }
  }
  
  calculateEventAnalyticsValue(eventName, eventProperties, userValidation) {
    let baseValue = 0;
    
    // Event value mapping for user analytics
    const eventValues = {
      'pageview': 1,
      'click': 2,
      'form_submit': 8,
      'signup': 20,
      'purchase': 30,
      'subscription': 35,
      'feature_usage': 5,
      'engagement_action': 10,
      'retention_action': 15,
      'referral_action': 25
    };
    
    baseValue = eventValues[eventName] || 1;
    
    // User quality multiplier
    const qualityMultiplier = userValidation.quality_score / 100;
    
    // Revenue-based adjustment if available
    if (eventProperties.revenue) {
      baseValue += parseFloat(eventProperties.revenue) * 0.1;
    }
    
    return Math.round(baseValue * qualityMultiplier * 100) / 100;
  }
  
  determineAnalyticsSegment(validation) {
    const qualityScore = this.calculateAnalyticsQualityScore(validation);
    const hasPhone = validation.phone?.is_valid;
    const hasEmail = validation.email?.is_valid;
    
    if (qualityScore >= 80 && hasPhone && hasEmail) {
      return 'premium_comprehensive_analytics';
    } else if (qualityScore >= 70) {
      return 'high_value_verified_analytics';
    } else if (qualityScore >= 50) {
      return 'standard_analytics';
    } else {
      return 'basic_analytics_prospect';
    }
  }
}

// Advanced automatic event capture enhancement with user quality intelligence
class HeapAutomaticCaptureEnhancer {
  constructor(lookupApiKey) {
    this.lookupApiKey = lookupApiKey;
    this.captureRules = new Map();
    this.qualityThresholds = {
      premium: 80,
      high: 60,
      standard: 40,
      basic: 0
    };
  }
  
  async enhanceAutomaticEventCapture(userId, capturedEvent, eventContext) {
    try {
      // Get user validation data for capture enhancement
      const userValidation = await this.getUserValidationForCapture(userId);
      
      // Calculate capture enhancement metrics
      const captureEnhancement = this.calculateCaptureEnhancement(
        capturedEvent,
        eventContext,
        userValidation
      );
      
      // Enhanced automatic event capture data
      const enhancedCaptureData = {
        user_id: userId,
        original_event: capturedEvent.event_name,
        capture_timestamp: capturedEvent.timestamp,
        // User quality context
        user_quality_score: userValidation.quality_score,
        user_verification_level: userValidation.verification_level,
        user_analytics_tier: userValidation.analytics_tier,
        // Capture enhancement metrics
        capture_quality_score: captureEnhancement.quality_score,
        capture_reliability: captureEnhancement.reliability,
        capture_priority: captureEnhancement.priority,
        automatic_capture_confidence: captureEnhancement.confidence,
        // Behavioral analysis enhancement
        behavior_authenticity_score: captureEnhancement.behavior_authenticity,
        user_interaction_quality: captureEnhancement.interaction_quality,
        event_sequence_reliability: captureEnhancement.sequence_reliability,
        // Analytics optimization
        funnel_analysis_weight: captureEnhancement.funnel_weight,
        cohort_analysis_priority: captureEnhancement.cohort_priority,
        retention_analysis_value: captureEnhancement.retention_value,
        // Quality indicators
        is_high_quality_capture: captureEnhancement.is_high_quality,
        capture_anomaly_score: captureEnhancement.anomaly_score,
        fraud_risk_indicators: captureEnhancement.fraud_indicators.join(',')
      };
      
      // Apply capture enhancement in Heap Analytics
      heap.addEventProperties({
        capture_quality_score: enhancedCaptureData.capture_quality_score,
        capture_priority: enhancedCaptureData.capture_priority,
        user_analytics_tier: enhancedCaptureData.user_analytics_tier,
        automatic_capture_confidence: enhancedCaptureData.automatic_capture_confidence
      });
      
      // Track capture enhancement analytics
      heap.track('Automatic Capture Enhanced', {
        original_event: capturedEvent.event_name,
        quality_score: captureEnhancement.quality_score,
        user_tier: userValidation.analytics_tier,
        capture_value: captureEnhancement.capture_value
      });
      
      // Store enhanced capture data
      this.storeCaptureEnhancement(userId, enhancedCaptureData);
      
      return enhancedCaptureData;
      
    } catch (error) {
      console.error('Automatic capture enhancement error:', error);
      
      // Track error but continue capture
      heap.addEventProperties({
        capture_enhancement_error: true,
        error_message: error.message
      });
      
      return {
        user_id: userId,
        enhancement_error: true,
        error_details: error.message
      };
    }
  }
  
  calculateCaptureEnhancement(capturedEvent, eventContext, userValidation) {
    let qualityScore = 0;
    let reliability = 0;
    let behaviorAuthenticity = 0;
    
    // Base score from user validation
    const userQuality = userValidation.quality_score || 0;
    qualityScore = userQuality * 0.4; // 40% weight from user quality
    
    // Event capture quality scoring
    const captureQuality = this.analyzeCaptureQuality(capturedEvent, eventContext);
    qualityScore += captureQuality.score * 0.3; // 30% from capture quality
    
    // User interaction quality scoring
    const interactionQuality = this.analyzeInteractionQuality(eventContext, userValidation);
    qualityScore += interactionQuality.score * 0.3; // 30% from interaction quality
    
    // Calculate reliability
    reliability = this.calculateCaptureReliability(userValidation, capturedEvent);
    
    // Calculate behavior authenticity
    behaviorAuthenticity = this.calculateCaptureBehaviorAuthenticity(
      userValidation,
      capturedEvent,
      eventContext
    );
    
    // Determine capture priority
    const priority = this.determineCaptureePriority(qualityScore, reliability);
    
    return {
      quality_score: Math.min(100, qualityScore),
      reliability: Math.min(100, reliability),
      priority: priority,
      confidence: this.calculateCaptureConfidence(userValidation, capturedEvent),
      behavior_authenticity: Math.min(100, behaviorAuthenticity),
      interaction_quality: interactionQuality.score,
      sequence_reliability: this.calculateSequenceReliability(capturedEvent, userValidation),
      funnel_weight: this.calculateCaptureFunnelWeight(userValidation),
      cohort_priority: this.calculateCohortPriority(userValidation, capturedEvent),
      retention_value: this.calculateRetentionValue(userValidation, capturedEvent),
      is_high_quality: qualityScore >= 70 && reliability >= 80,
      anomaly_score: this.calculateCaptureAnomalyScore(capturedEvent),
      fraud_indicators: this.detectCaptureFraudIndicators(capturedEvent, userValidation),
      capture_value: this.calculateCaptureValue(capturedEvent, userValidation),
      auto_event_priority: this.calculateAutoEventPriority(qualityScore, behaviorAuthenticity),
      optimization_value: this.calculateCaptureOptimizationValue(qualityScore, reliability)
    };
  }
  
  analyzeCaptureQuality(capturedEvent, eventContext) {
    let score = 0;
    
    // Event type quality scoring
    const eventTypeScores = {
      'click': 10,
      'pageview': 8,
      'form_interaction': 15,
      'scroll': 5,
      'hover': 3,
      'focus': 7,
      'input_change': 12,
      'submit': 18
    };
    
    score += eventTypeScores[capturedEvent.event_type] || 5;
    
    // Event context quality
    if (eventContext.element_id) score += 5;
    if (eventContext.element_class) score += 3;
    if (eventContext.element_text) score += 4;
    if (eventContext.page_url) score += 2;
    
    // Interaction depth
    if (eventContext.interaction_depth > 3) score += 10;
    else if (eventContext.interaction_depth > 1) score += 5;
    
    return {
      score: Math.min(50, score),
      type_quality: eventTypeScores[capturedEvent.event_type] || 5,
      context_richness: this.calculateContextRichness(eventContext),
      interaction_depth: eventContext.interaction_depth || 0
    };
  }
  
  async getUserValidationForCapture(userId) {
    // This would typically fetch user data from your database
    // and validate their contact information for capture enhancement
    try {
      const userData = await this.fetchUserDataForAnalytics(userId);
      
      if (userData.phone || userData.email) {
        const validation = await this.validateUserContact({
          phone: userData.phone,
          email: userData.email
        });
        
        return {
          quality_score: this.calculateAnalyticsQualityScore(validation),
          tier: this.determineAnalyticsTier(validation),
          verification_level: this.getAnalyticsVerificationLevel(validation),
          phone_verified: validation.phone?.is_valid,
          email_verified: validation.email?.is_valid,
          fraud_risk_level: this.getFraudRiskLevel(validation),
          country: validation.phone?.location_details?.country,
          region: validation.phone?.location_details?.region,
          analytics_tier: this.determineAnalyticsTier(validation),
          behavioral_reliability: this.calculateBehavioralReliability(validation)
        };
      }
      
      return { quality_score: 0, tier: 'unverified' };
      
    } catch (error) {
      console.error('User validation for capture error:', error);
      return { quality_score: 0, tier: 'unknown', error: true };
    }
  }
}

// Advanced user journey analysis with contact validation for Heap Analytics
class HeapUserJourneyAnalyzer {
  constructor(appId, lookupApiKey) {
    this.appId = appId;
    this.lookupApiKey = lookupApiKey;
    this.journeyCache = new Map();
    this.userProfiles = new Map();
  }
  
  async analyzeUserJourneyWithValidation(userId, journeyEvents, analysisTimeframe) {
    try {
      // Get comprehensive user validation data
      const userValidation = await this.getComprehensiveUserValidation(userId);
      
      // Enhance journey events with validation context
      const enhancedJourneyEvents = await this.enhanceJourneyEventsWithValidation(
        journeyEvents,
        userValidation
      );
      
      // Perform comprehensive journey analysis
      const journeyAnalysis = this.performComprehensiveJourneyAnalysis(
        enhancedJourneyEvents,
        userValidation
      );
      
      // Generate user analytics insights
      const userAnalyticsInsights = {
        user_id: userId,
        analysis_timeframe: analysisTimeframe,
        total_events: enhancedJourneyEvents.length,
        // User validation context
        user_quality_score: userValidation.quality_score,
        user_verification_level: userValidation.verification_level,
        user_analytics_tier: userValidation.analytics_tier,
        // Journey analysis results
        journey_quality_score: journeyAnalysis.overall_quality,
        journey_completion_rate: journeyAnalysis.completion_rate,
        journey_conversion_probability: journeyAnalysis.conversion_probability,
        user_engagement_score: journeyAnalysis.engagement_score,
        // Behavioral insights
        behavior_pattern_quality: journeyAnalysis.pattern_quality,
        user_interaction_authenticity: journeyAnalysis.interaction_authenticity,
        behavioral_consistency_score: journeyAnalysis.consistency_score,
        // Funnel and conversion insights
        funnel_progression_quality: journeyAnalysis.funnel_progression,
        conversion_likelihood: journeyAnalysis.conversion_likelihood,
        retention_probability: journeyAnalysis.retention_probability,
        // Geographic and demographic insights
        user_geographic_context: userValidation.geographic_context,
        demographic_reliability: journeyAnalysis.demographic_reliability,
        // Analytics optimization insights
        optimization_opportunities: journeyAnalysis.optimization_opportunities.length,
        recommended_optimizations: journeyAnalysis.optimization_recommendations,
        analytics_confidence_score: journeyAnalysis.confidence_score
      };
      
      // Track comprehensive journey analysis in Heap Analytics
      heap.track('Comprehensive User Journey Analyzed', {
        user_id: userId,
        journey_quality: journeyAnalysis.overall_quality,
        user_tier: userValidation.analytics_tier,
        analysis_confidence: journeyAnalysis.confidence_score,
        optimization_opportunities: journeyAnalysis.optimization_opportunities.length
      });
      
      // Update user analytics profile
      await this.updateUserAnalyticsProfile(userId, userAnalyticsInsights);
      
      return userAnalyticsInsights;
      
    } catch (error) {
      console.error('User journey analysis error:', error);
      return { error: error.message, user_id: userId };
    }
  }
  
  async enhanceJourneyEventsWithValidation(journeyEvents, userValidation) {
    const enhancedEvents = [];
    
    for (const event of journeyEvents) {
      try {
        // Calculate event-specific quality metrics
        const eventQuality = this.calculateJourneyEventQuality(event, userValidation);
        
        // Enhance event with validation context
        const enhancedEvent = {
          ...event,
          // User validation context
          user_quality_score: userValidation.quality_score,
          user_verification_status: userValidation.verification_status,
          // Event quality metrics
          event_quality_score: eventQuality.score,
          event_reliability: eventQuality.reliability,
          event_authenticity: eventQuality.authenticity,
          event_value_tier: eventQuality.value_tier,
          // Behavioral context
          interaction_quality: eventQuality.interaction_quality,
          sequence_position_quality: eventQuality.sequence_quality,
          journey_stage_quality: eventQuality.stage_quality,
          // Analytics enhancement
          funnel_weight: eventQuality.funnel_weight,
          attribution_weight: eventQuality.attribution_weight,
          cohort_analysis_value: eventQuality.cohort_value
        };
        
        enhancedEvents.push(enhancedEvent);
        
      } catch (error) {
        console.error('Event enhancement error:', error);
        // Add event with error flag
        enhancedEvents.push({
          ...event,
          enhancement_error: true,
          error_message: error.message
        });
      }
    }
    
    return enhancedEvents;
  }
  
  performComprehensiveJourneyAnalysis(enhancedEvents, userValidation) {
    // Calculate overall journey quality
    const overallQuality = this.calculateOverallJourneyQuality(enhancedEvents);
    
    // Calculate journey completion rate
    const completionRate = this.calculateJourneyCompletionRate(enhancedEvents);
    
    // Calculate conversion probability
    const conversionProbability = this.calculateJourneyConversionProbability(
      enhancedEvents,
      userValidation
    );
    
    // Calculate engagement score
    const engagementScore = this.calculateJourneyEngagementScore(enhancedEvents);
    
    // Analyze behavior patterns
    const patternQuality = this.analyzeBehaviorPatterns(enhancedEvents);
    
    // Calculate interaction authenticity
    const interactionAuthenticity = this.calculateJourneyInteractionAuthenticity(
      enhancedEvents,
      userValidation
    );
    
    // Analyze behavioral consistency
    const consistencyScore = this.analyzeBehavioralConsistency(enhancedEvents);
    
    // Analyze funnel progression
    const funnelProgression = this.analyzeFunnelProgression(enhancedEvents);
    
    // Calculate retention probability
    const retentionProbability = this.calculateJourneyRetentionProbability(
      enhancedEvents,
      userValidation
    );
    
    // Identify optimization opportunities
    const optimizationOpportunities = this.identifyJourneyOptimizationOpportunities(
      enhancedEvents,
      userValidation
    );
    
    return {
      overall_quality: overallQuality,
      completion_rate: completionRate,
      conversion_probability: conversionProbability,
      engagement_score: engagementScore,
      pattern_quality: patternQuality,
      interaction_authenticity: interactionAuthenticity,
      consistency_score: consistencyScore,
      funnel_progression: funnelProgression,
      conversion_likelihood: this.calculateConversionLikelihood(enhancedEvents, userValidation),
      retention_probability: retentionProbability,
      demographic_reliability: this.calculateDemographicReliability(userValidation),
      optimization_opportunities: optimizationOpportunities,
      optimization_recommendations: this.generateOptimizationRecommendations(optimizationOpportunities),
      confidence_score: this.calculateAnalysisConfidenceScore(enhancedEvents, userValidation)
    };
  }
  
  identifyJourneyOptimizationOpportunities(enhancedEvents, userValidation) {
    const opportunities = [];
    
    // High-quality user with low engagement
    if (userValidation.quality_score >= 80) {
      const engagementScore = this.calculateJourneyEngagementScore(enhancedEvents);
      if (engagementScore < 60) {
        opportunities.push({
          type: 'high_quality_low_engagement',
          priority: 'high',
          description: 'High-quality user with low engagement - optimization potential',
          user_quality: userValidation.quality_score,
          engagement_score: engagementScore,
          recommended_actions: ['Personalized engagement campaigns', 'Feature discovery optimization']
        });
      }
    }
    
    // Verified user with incomplete journey
    if (userValidation.phone_verified && userValidation.email_verified) {
      const completionRate = this.calculateJourneyCompletionRate(enhancedEvents);
      if (completionRate < 70) {
        opportunities.push({
          type: 'verified_user_incomplete_journey',
          priority: 'medium',
          description: 'Verified user with incomplete journey - conversion optimization potential',
          completion_rate: completionRate,
          verification_level: 'fully_verified',
          recommended_actions: ['Journey optimization', 'Friction point removal']
        });
      }
    }
    
    // Quality drop-off points in journey
    const qualityDropoffs = this.identifyQualityDropoffs(enhancedEvents);
    if (qualityDropoffs.length > 0) {
      opportunities.push({
        type: 'quality_dropoff_optimization',
        priority: 'medium',
        description: 'Quality-based journey drop-off points identified',
        dropoff_points: qualityDropoffs,
        recommended_actions: ['Targeted retention campaigns', 'Quality-specific optimization']
      });
    }
    
    return opportunities;
  }
}