/**
 * Real-Time Communication Decoding Pipeline
 * Orchestrates all neural pattern recognition components for live entity communication detection
 * Production-ready deployment system with monitoring, scaling, and failover capabilities
 */

import { EventEmitter } from 'events';
import ZeroVarianceDetector from './zero-variance-detector.js';
import MaximumEntropyDecoder from './entropy-decoder.js';
import InstructionSequenceAnalyzer from './instruction-sequence-analyzer.js';
import RealTimeEntityDetector from './real-time-detector.js';
import AdaptivePatternLearningNetwork from './pattern-learning-network.js';

class CommunicationDecodingPipeline extends EventEmitter {
    constructor(options = {}) {
        super();
        this.deploymentMode = options.deploymentMode || 'production';
        this.scalingMode = options.scalingMode || 'auto';
        this.redundancyLevel = options.redundancyLevel || 'high';
        this.performanceTarget = options.performanceTarget || 'realtime';

        // Pipeline components
        this.components = new Map();
        this.componentHealth = new Map();
        this.componentMetrics = new Map();

        // Pipeline orchestration
        this.orchestrator = new PipelineOrchestrator(this);
        this.loadBalancer = new ComponentLoadBalancer();
        this.failoverManager = new FailoverManager();
        this.scalingManager = new AutoScalingManager();

        // Monitoring and alerting
        this.monitor = new PipelineMonitor(this);
        this.alertManager = new PipelineAlertManager();
        this.metricsCollector = new MetricsCollector();
        this.performanceAnalyzer = new PerformanceAnalyzer();

        // Data flow management
        this.dataRouter = new DataRouter();
        this.bufferManager = new BufferManager();
        this.streamProcessor = new StreamProcessor();

        // Quality assurance
        this.validator = new OutputValidator();
        this.qualityAssurance = new QualityAssuranceSystem();
        this.accuracyTracker = new AccuracyTracker();

        // Deployment state
        this.isDeployed = false;
        this.deploymentId = this.generateDeploymentId();
        this.startTime = null;
        this.lastHealthCheck = null;

        console.log(`[CommunicationDecodingPipeline] Initialized deployment ${this.deploymentId}`);
    }

    generateDeploymentId() {
        return `pipeline_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
    }

    async deploy() {
        if (this.isDeployed) {
            throw new Error('Pipeline already deployed');
        }

        console.log('[CommunicationDecodingPipeline] Starting deployment...');

        try {
            // Pre-deployment validation
            await this.validateDeploymentEnvironment();

            // Initialize components
            await this.initializeComponents();

            // Setup component interconnections
            await this.setupComponentConnections();

            // Configure monitoring
            await this.configureMonitoring();

            // Setup failover and redundancy
            await this.setupFailoverSystems();

            // Start auto-scaling
            await this.startAutoScaling();

            // Perform deployment health check
            await this.performDeploymentHealthCheck();

            // Start pipeline
            await this.startPipeline();

            this.isDeployed = true;
            this.startTime = Date.now();

            console.log('[CommunicationDecodingPipeline] Deployment completed successfully');
            this.emit('deployed', { deploymentId: this.deploymentId });

            return {
                success: true,
                deploymentId: this.deploymentId,
                components: Array.from(this.components.keys()),
                status: 'active'
            };

        } catch (error) {
            console.error('[CommunicationDecodingPipeline] Deployment failed:', error);
            await this.rollbackDeployment();
            throw error;
        }
    }

    async validateDeploymentEnvironment() {
        console.log('[CommunicationDecodingPipeline] Validating deployment environment...');

        // Check system resources
        const resources = await this.checkSystemResources();
        if (!resources.sufficient) {
            throw new Error('Insufficient system resources for deployment');
        }

        // Check dependencies
        const dependencies = await this.checkDependencies();
        if (!dependencies.satisfied) {
            throw new Error('Missing required dependencies');
        }

        // Check configuration
        const configuration = this.validateConfiguration();
        if (!configuration.valid) {
            throw new Error('Invalid configuration parameters');
        }

        console.log('[CommunicationDecodingPipeline] Environment validation passed');
    }

    async checkSystemResources() {
        // Check available system resources
        const memory = process.memoryUsage();
        const availableMemory = memory.heapTotal - memory.heapUsed;

        return {
            sufficient: availableMemory > 100 * 1024 * 1024, // 100MB minimum
            memory: {
                available: availableMemory,
                required: 100 * 1024 * 1024,
                usage: memory
            },
            cpu: {
                available: true, // Simplified check
                cores: require('os').cpus().length
            }
        };
    }

    async checkDependencies() {
        // Check required dependencies
        const required = [
            'events',
            'crypto',
            'os'
        ];

        const missing = [];
        for (const dep of required) {
            try {
                require(dep);
            } catch (error) {
                missing.push(dep);
            }
        }

        return {
            satisfied: missing.length === 0,
            missing,
            available: required.filter(dep => !missing.includes(dep))
        };
    }

    validateConfiguration() {
        // Validate configuration parameters
        const validModes = ['development', 'staging', 'production'];
        const validScaling = ['manual', 'auto'];
        const validRedundancy = ['none', 'low', 'medium', 'high'];
        const validPerformance = ['batch', 'neartime', 'realtime'];

        const valid = validModes.includes(this.deploymentMode) &&
                     validScaling.includes(this.scalingMode) &&
                     validRedundancy.includes(this.redundancyLevel) &&
                     validPerformance.includes(this.performanceTarget);

        return {
            valid,
            deploymentMode: this.deploymentMode,
            scalingMode: this.scalingMode,
            redundancyLevel: this.redundancyLevel,
            performanceTarget: this.performanceTarget
        };
    }

    async initializeComponents() {
        console.log('[CommunicationDecodingPipeline] Initializing components...');

        // Initialize primary detection components
        await this.initializePrimaryComponents();

        // Initialize secondary analysis components
        await this.initializeSecondaryComponents();

        // Initialize support components based on redundancy level
        if (this.redundancyLevel !== 'none') {
            await this.initializeRedundantComponents();
        }

        console.log(`[CommunicationDecodingPipeline] Initialized ${this.components.size} components`);
    }

    async initializePrimaryComponents() {
        // Initialize core detection components
        const primaryComponents = [
            {
                id: 'zero_variance_detector_primary',
                type: 'ZeroVarianceDetector',
                instance: new ZeroVarianceDetector({
                    sensitivity: 1e-15,
                    windowSize: 2000,
                    samplingRate: 20000
                }),
                role: 'primary',
                priority: 1
            },
            {
                id: 'entropy_decoder_primary',
                type: 'MaximumEntropyDecoder',
                instance: new MaximumEntropyDecoder({
                    toleranceThreshold: 1e-10,
                    windowSize: 4096,
                    symbolAlphabet: 256
                }),
                role: 'primary',
                priority: 1
            },
            {
                id: 'instruction_analyzer_primary',
                type: 'InstructionSequenceAnalyzer',
                instance: new InstructionSequenceAnalyzer({
                    impossibilityThreshold: 0.9,
                    sequenceWindowSize: 128,
                    analysisDepth: 15
                }),
                role: 'primary',
                priority: 1
            },
            {
                id: 'entity_detector_primary',
                type: 'RealTimeEntityDetector',
                instance: new RealTimeEntityDetector({
                    sensitivity: 'high',
                    responseThreshold: 0.75,
                    aggregationWindow: 5000
                }),
                role: 'primary',
                priority: 1
            },
            {
                id: 'pattern_learning_primary',
                type: 'AdaptivePatternLearningNetwork',
                instance: new AdaptivePatternLearningNetwork({
                    architecture: 'transformer',
                    learningRate: 0.001,
                    adaptationRate: 0.01
                }),
                role: 'primary',
                priority: 1
            }
        ];

        for (const component of primaryComponents) {
            await this.registerComponent(component);
        }
    }

    async initializeSecondaryComponents() {
        // Initialize secondary analysis components
        const secondaryComponents = [
            {
                id: 'correlation_analyzer',
                type: 'CorrelationAnalyzer',
                instance: new CorrelationAnalyzer(),
                role: 'secondary',
                priority: 2
            },
            {
                id: 'pattern_classifier',
                type: 'PatternClassifier',
                instance: new PatternClassifier(),
                role: 'secondary',
                priority: 2
            },
            {
                id: 'temporal_analyzer',
                type: 'TemporalAnalyzer',
                instance: new TemporalAnalyzer(),
                role: 'secondary',
                priority: 2
            }
        ];

        for (const component of secondaryComponents) {
            await this.registerComponent(component);
        }
    }

    async initializeRedundantComponents() {
        // Initialize redundant components for failover
        console.log(`[CommunicationDecodingPipeline] Initializing redundant components (${this.redundancyLevel} level)`);

        const redundantCount = this.getRedundantComponentCount();

        // Create backup instances of critical components
        const criticalTypes = ['ZeroVarianceDetector', 'MaximumEntropyDecoder', 'RealTimeEntityDetector'];

        for (const type of criticalTypes) {
            for (let i = 1; i <= redundantCount; i++) {
                const component = await this.createRedundantComponent(type, i);
                await this.registerComponent(component);
            }
        }
    }

    getRedundantComponentCount() {
        const redundancyCounts = {
            'none': 0,
            'low': 1,
            'medium': 2,
            'high': 3
        };
        return redundancyCounts[this.redundancyLevel] || 0;
    }

    async createRedundantComponent(type, instance) {
        const componentId = `${type.toLowerCase()}_backup_${instance}`;

        let componentInstance;
        switch (type) {
            case 'ZeroVarianceDetector':
                componentInstance = new ZeroVarianceDetector({
                    sensitivity: 1e-15,
                    windowSize: 2000,
                    samplingRate: 20000
                });
                break;
            case 'MaximumEntropyDecoder':
                componentInstance = new MaximumEntropyDecoder({
                    toleranceThreshold: 1e-10,
                    windowSize: 4096,
                    symbolAlphabet: 256
                });
                break;
            case 'RealTimeEntityDetector':
                componentInstance = new RealTimeEntityDetector({
                    sensitivity: 'high',
                    responseThreshold: 0.75,
                    aggregationWindow: 5000
                });
                break;
            default:
                throw new Error(`Unknown component type: ${type}`);
        }

        return {
            id: componentId,
            type,
            instance: componentInstance,
            role: 'backup',
            priority: 10 + instance
        };
    }

    async registerComponent(component) {
        // Register component in pipeline
        this.components.set(component.id, component);
        this.componentHealth.set(component.id, 'initializing');
        this.componentMetrics.set(component.id, this.initializeComponentMetrics());

        // Setup component event handlers
        this.setupComponentEventHandlers(component);

        // Initialize component health monitoring
        await this.initializeComponentHealthMonitoring(component);

        console.log(`[CommunicationDecodingPipeline] Registered component: ${component.id}`);
    }

    initializeComponentMetrics() {
        return {
            startTime: Date.now(),
            totalProcessed: 0,
            successfulProcessed: 0,
            errors: 0,
            averageProcessingTime: 0,
            lastActivity: Date.now(),
            healthScore: 1.0
        };
    }

    setupComponentEventHandlers(component) {
        // Setup event handlers for component monitoring
        const instance = component.instance;

        if (instance.on) {
            // Common event handlers
            instance.on('error', (error) => {
                this.handleComponentError(component.id, error);
            });

            instance.on('warning', (warning) => {
                this.handleComponentWarning(component.id, warning);
            });

            // Component-specific event handlers
            this.setupComponentSpecificEventHandlers(component);
        }
    }

    setupComponentSpecificEventHandlers(component) {
        const instance = component.instance;
        const componentId = component.id;

        switch (component.type) {
            case 'ZeroVarianceDetector':
                instance.on('entityCommunication', (pattern) => {
                    this.handleEntityCommunication(componentId, 'variance', pattern);
                });
                break;

            case 'MaximumEntropyDecoder':
                instance.on('messageDecoded', (message) => {
                    this.handleEntityCommunication(componentId, 'entropy', message);
                });
                break;

            case 'InstructionSequenceAnalyzer':
                instance.on('impossibleSequence', (sequence) => {
                    this.handleEntityCommunication(componentId, 'instruction', sequence);
                });
                break;

            case 'RealTimeEntityDetector':
                instance.on('entityCommunicationConfirmed', (analysis) => {
                    this.handleConfirmedEntityCommunication(componentId, analysis);
                });
                break;

            case 'AdaptivePatternLearningNetwork':
                instance.on('learningFromEntity', (data) => {
                    this.handlePatternLearning(componentId, data);
                });
                break;
        }
    }

    handleEntityCommunication(componentId, type, data) {
        // Handle entity communication detected by component
        this.updateComponentMetrics(componentId, 'detection', true);

        const event = {
            timestamp: Date.now(),
            componentId,
            type,
            data,
            pipeline: this.deploymentId
        };

        this.emit('entityCommunication', event);
        this.dataRouter.route(event);
    }

    handleConfirmedEntityCommunication(componentId, analysis) {
        // Handle confirmed entity communication
        this.updateComponentMetrics(componentId, 'confirmation', true);

        const event = {
            timestamp: Date.now(),
            componentId,
            type: 'confirmed_entity_communication',
            analysis,
            pipeline: this.deploymentId
        };

        this.emit('confirmedEntityCommunication', event);
        this.alertManager.generateAlert({
            level: 'critical',
            type: 'entity_communication_confirmed',
            message: 'Confirmed entity communication detected',
            data: event
        });
    }

    handlePatternLearning(componentId, data) {
        // Handle pattern learning events
        this.updateComponentMetrics(componentId, 'learning', true);

        const event = {
            timestamp: Date.now(),
            componentId,
            type: 'pattern_learning',
            data,
            pipeline: this.deploymentId
        };

        this.emit('patternLearning', event);
    }

    handleComponentError(componentId, error) {
        // Handle component errors
        console.error(`[CommunicationDecodingPipeline] Component ${componentId} error:`, error);

        this.updateComponentMetrics(componentId, 'error', false);
        this.updateComponentHealth(componentId, 'error');

        // Trigger failover if needed
        this.failoverManager.handleComponentFailure(componentId, error);

        this.emit('componentError', { componentId, error });
    }

    handleComponentWarning(componentId, warning) {
        // Handle component warnings
        console.warn(`[CommunicationDecodingPipeline] Component ${componentId} warning:`, warning);

        this.updateComponentHealth(componentId, 'warning');
        this.emit('componentWarning', { componentId, warning });
    }

    updateComponentMetrics(componentId, operation, success) {
        // Update component metrics
        const metrics = this.componentMetrics.get(componentId);
        if (!metrics) return;

        metrics.totalProcessed++;
        if (success) {
            metrics.successfulProcessed++;
        } else {
            metrics.errors++;
        }

        metrics.lastActivity = Date.now();
        metrics.healthScore = this.calculateHealthScore(metrics);

        this.componentMetrics.set(componentId, metrics);
    }

    calculateHealthScore(metrics) {
        // Calculate component health score
        const successRate = metrics.totalProcessed > 0 ?
            metrics.successfulProcessed / metrics.totalProcessed : 1.0;

        const errorRate = metrics.totalProcessed > 0 ?
            metrics.errors / metrics.totalProcessed : 0.0;

        const timeSinceActivity = Date.now() - metrics.lastActivity;
        const activityScore = Math.max(0, 1 - (timeSinceActivity / 300000)); // 5 minute decay

        return (successRate * 0.5 + (1 - errorRate) * 0.3 + activityScore * 0.2);
    }

    updateComponentHealth(componentId, status) {
        // Update component health status
        this.componentHealth.set(componentId, status);

        // Emit health change event
        this.emit('componentHealthChange', {
            componentId,
            status,
            timestamp: Date.now()
        });
    }

    async initializeComponentHealthMonitoring(component) {
        // Initialize health monitoring for component
        this.monitor.addComponent(component);
        this.updateComponentHealth(component.id, 'healthy');
    }

    async setupComponentConnections() {
        console.log('[CommunicationDecodingPipeline] Setting up component connections...');

        // Setup data flow between components
        await this.setupDataFlow();

        // Setup inter-component communication
        await this.setupInterComponentCommunication();

        // Setup load balancing
        await this.setupLoadBalancing();

        console.log('[CommunicationDecodingPipeline] Component connections established');
    }

    async setupDataFlow() {
        // Setup data flow routing between components
        this.dataRouter.addRoute('variance_detection', ['entity_detector_primary', 'pattern_learning_primary']);
        this.dataRouter.addRoute('entropy_message', ['entity_detector_primary', 'pattern_learning_primary']);
        this.dataRouter.addRoute('impossible_sequence', ['entity_detector_primary', 'pattern_learning_primary']);
        this.dataRouter.addRoute('confirmed_entity_communication', ['pattern_learning_primary']);
    }

    async setupInterComponentCommunication() {
        // Setup communication channels between components
        const primaryEntityDetector = this.components.get('entity_detector_primary');

        if (primaryEntityDetector) {
            // Connect detectors to entity detector
            const detectors = ['zero_variance_detector_primary', 'entropy_decoder_primary', 'instruction_analyzer_primary'];

            detectors.forEach(detectorId => {
                const detector = this.components.get(detectorId);
                if (detector) {
                    this.connectComponents(detector, primaryEntityDetector);
                }
            });
        }
    }

    connectComponents(sourceComponent, targetComponent) {
        // Connect source component events to target component
        const sourceInstance = sourceComponent.instance;
        const targetInstance = targetComponent.instance;

        // Setup event forwarding based on component types
        if (sourceComponent.type === 'ZeroVarianceDetector' &&
            targetComponent.type === 'RealTimeEntityDetector') {

            sourceInstance.on('entityCommunication', (pattern) => {
                targetInstance.handleVarianceDetection(pattern);
            });
        }

        // Add more specific connections as needed
    }

    async setupLoadBalancing() {
        // Setup load balancing for redundant components
        const componentTypes = new Map();

        // Group components by type
        this.components.forEach((component, id) => {
            if (!componentTypes.has(component.type)) {
                componentTypes.set(component.type, []);
            }
            componentTypes.get(component.type).push(component);
        });

        // Configure load balancer for each type
        componentTypes.forEach((components, type) => {
            if (components.length > 1) {
                this.loadBalancer.configureLoadBalancing(type, components);
            }
        });
    }

    async configureMonitoring() {
        console.log('[CommunicationDecodingPipeline] Configuring monitoring...');

        // Start pipeline monitoring
        await this.monitor.start();

        // Start metrics collection
        await this.metricsCollector.start();

        // Start performance analysis
        await this.performanceAnalyzer.start();

        // Configure alerting
        await this.alertManager.configure({
            deploymentId: this.deploymentId,
            alertThresholds: this.getAlertThresholds()
        });

        console.log('[CommunicationDecodingPipeline] Monitoring configured');
    }

    getAlertThresholds() {
        return {
            componentHealthScore: 0.5,
            errorRate: 0.1,
            responseTime: 1000, // ms
            memoryUsage: 0.8,
            detectionAccuracy: 0.7
        };
    }

    async setupFailoverSystems() {
        console.log('[CommunicationDecodingPipeline] Setting up failover systems...');

        // Configure failover manager
        await this.failoverManager.configure({
            redundancyLevel: this.redundancyLevel,
            components: this.components,
            switchoverTime: 5000 // 5 seconds
        });

        // Start failover monitoring
        await this.failoverManager.startMonitoring();

        console.log('[CommunicationDecodingPipeline] Failover systems ready');
    }

    async startAutoScaling() {
        if (this.scalingMode === 'auto') {
            console.log('[CommunicationDecodingPipeline] Starting auto-scaling...');

            await this.scalingManager.configure({
                components: this.components,
                performanceTarget: this.performanceTarget,
                scalingPolicies: this.getScalingPolicies()
            });

            await this.scalingManager.start();

            console.log('[CommunicationDecodingPipeline] Auto-scaling started');
        }
    }

    getScalingPolicies() {
        return {
            scaleUpThreshold: {
                cpuUsage: 0.8,
                memoryUsage: 0.8,
                responseTime: 2000,
                queueLength: 100
            },
            scaleDownThreshold: {
                cpuUsage: 0.3,
                memoryUsage: 0.3,
                responseTime: 500,
                queueLength: 10
            },
            cooldownPeriod: 300000, // 5 minutes
            maxInstances: 10,
            minInstances: 1
        };
    }

    async performDeploymentHealthCheck() {
        console.log('[CommunicationDecodingPipeline] Performing deployment health check...');

        const healthCheck = await this.runComprehensiveHealthCheck();

        if (!healthCheck.passed) {
            throw new Error(`Deployment health check failed: ${healthCheck.failures.join(', ')}`);
        }

        this.lastHealthCheck = Date.now();
        console.log('[CommunicationDecodingPipeline] Deployment health check passed');

        return healthCheck;
    }

    async runComprehensiveHealthCheck() {
        const healthCheck = {
            passed: true,
            failures: [],
            componentStatuses: new Map(),
            systemHealth: {},
            timestamp: Date.now()
        };

        // Check component health
        for (const [componentId, component] of this.components) {
            const componentHealth = await this.checkComponentHealth(component);
            healthCheck.componentStatuses.set(componentId, componentHealth);

            if (!componentHealth.healthy) {
                healthCheck.passed = false;
                healthCheck.failures.push(`Component ${componentId}: ${componentHealth.issue}`);
            }
        }

        // Check system health
        healthCheck.systemHealth = await this.checkSystemHealth();
        if (!healthCheck.systemHealth.healthy) {
            healthCheck.passed = false;
            healthCheck.failures.push(`System health: ${healthCheck.systemHealth.issue}`);
        }

        return healthCheck;
    }

    async checkComponentHealth(component) {
        const health = {
            healthy: true,
            issue: null,
            metrics: {},
            timestamp: Date.now()
        };

        try {
            // Check if component is responsive
            const metrics = this.componentMetrics.get(component.id);
            if (metrics) {
                health.metrics = metrics;

                // Check health score
                if (metrics.healthScore < 0.5) {
                    health.healthy = false;
                    health.issue = `Low health score: ${metrics.healthScore.toFixed(2)}`;
                }

                // Check error rate
                const errorRate = metrics.totalProcessed > 0 ?
                    metrics.errors / metrics.totalProcessed : 0;

                if (errorRate > 0.1) {
                    health.healthy = false;
                    health.issue = `High error rate: ${(errorRate * 100).toFixed(1)}%`;
                }

                // Check activity
                const timeSinceActivity = Date.now() - metrics.lastActivity;
                if (timeSinceActivity > 300000) { // 5 minutes
                    health.healthy = false;
                    health.issue = `No activity for ${Math.round(timeSinceActivity / 60000)} minutes`;
                }
            }

            // Component-specific health checks
            if (component.instance.getDetectionStats) {
                const stats = component.instance.getDetectionStats();
                if (stats.isActive === false) {
                    health.healthy = false;
                    health.issue = 'Component not active';
                }
            }

        } catch (error) {
            health.healthy = false;
            health.issue = `Health check error: ${error.message}`;
        }

        return health;
    }

    async checkSystemHealth() {
        const health = {
            healthy: true,
            issue: null,
            metrics: {},
            timestamp: Date.now()
        };

        try {
            // Check memory usage
            const memoryUsage = process.memoryUsage();
            const memoryUsagePercent = memoryUsage.heapUsed / memoryUsage.heapTotal;

            health.metrics.memory = {
                used: memoryUsage.heapUsed,
                total: memoryUsage.heapTotal,
                percentage: memoryUsagePercent
            };

            if (memoryUsagePercent > 0.9) {
                health.healthy = false;
                health.issue = `High memory usage: ${(memoryUsagePercent * 100).toFixed(1)}%`;
            }

            // Check CPU (simplified)
            health.metrics.cpu = {
                cores: require('os').cpus().length,
                loadAverage: require('os').loadavg()
            };

            // Check event loop lag (simplified)
            const start = process.hrtime.bigint();
            await new Promise(resolve => setImmediate(resolve));
            const lag = Number(process.hrtime.bigint() - start) / 1000000; // Convert to ms

            health.metrics.eventLoopLag = lag;

            if (lag > 100) { // 100ms threshold
                health.healthy = false;
                health.issue = `High event loop lag: ${lag.toFixed(2)}ms`;
            }

        } catch (error) {
            health.healthy = false;
            health.issue = `System health check error: ${error.message}`;
        }

        return health;
    }

    async startPipeline() {
        console.log('[CommunicationDecodingPipeline] Starting pipeline components...');

        // Start components in priority order
        const sortedComponents = Array.from(this.components.values())
            .sort((a, b) => a.priority - b.priority);

        for (const component of sortedComponents) {
            await this.startComponent(component);
        }

        // Start pipeline-level processes
        await this.startPipelineProcesses();

        console.log('[CommunicationDecodingPipeline] Pipeline started successfully');
    }

    async startComponent(component) {
        try {
            const instance = component.instance;

            // Start component based on type
            if (instance.startDetection) {
                await instance.startDetection();
            } else if (instance.startDecoding) {
                await instance.startDecoding();
            } else if (instance.startAnalysis) {
                await instance.startAnalysis();
            } else if (instance.startLearning) {
                await instance.startLearning();
            }

            this.updateComponentHealth(component.id, 'healthy');
            console.log(`[CommunicationDecodingPipeline] Started component: ${component.id}`);

        } catch (error) {
            console.error(`[CommunicationDecodingPipeline] Failed to start component ${component.id}:`, error);
            this.updateComponentHealth(component.id, 'failed');
            throw error;
        }
    }

    async startPipelineProcesses() {
        // Start pipeline-level background processes
        this.startHealthMonitoring();
        this.startPerformanceMonitoring();
        this.startQualityAssurance();
        this.startDataProcessing();
    }

    startHealthMonitoring() {
        // Start continuous health monitoring
        this.healthMonitoringInterval = setInterval(async () => {
            if (this.isDeployed) {
                await this.performRoutineHealthCheck();
            }
        }, 60000); // Every minute
    }

    async performRoutineHealthCheck() {
        try {
            const healthCheck = await this.runComprehensiveHealthCheck();
            this.lastHealthCheck = Date.now();

            if (!healthCheck.passed) {
                this.handleHealthCheckFailure(healthCheck);
            }

            this.emit('healthCheck', healthCheck);

        } catch (error) {
            console.error('[CommunicationDecodingPipeline] Health check error:', error);
            this.emit('healthCheckError', error);
        }
    }

    handleHealthCheckFailure(healthCheck) {
        console.warn('[CommunicationDecodingPipeline] Health check failed:', healthCheck.failures);

        // Generate alert
        this.alertManager.generateAlert({
            level: 'warning',
            type: 'health_check_failure',
            message: `Pipeline health check failed: ${healthCheck.failures.join(', ')}`,
            data: healthCheck
        });

        // Trigger automatic remediation if available
        this.attemptAutomaticRemediation(healthCheck);
    }

    attemptAutomaticRemediation(healthCheck) {
        // Attempt automatic remediation of health issues
        console.log('[CommunicationDecodingPipeline] Attempting automatic remediation...');

        healthCheck.failures.forEach(failure => {
            if (failure.includes('Component') && failure.includes('Low health score')) {
                const componentId = failure.split(' ')[1].replace(':', '');
                this.restartComponent(componentId);
            } else if (failure.includes('High memory usage')) {
                this.triggerGarbageCollection();
            } else if (failure.includes('High error rate')) {
                this.adjustComponentSensitivity();
            }
        });
    }

    async restartComponent(componentId) {
        console.log(`[CommunicationDecodingPipeline] Restarting component: ${componentId}`);

        try {
            const component = this.components.get(componentId);
            if (component) {
                // Stop component
                await this.stopComponent(component);

                // Wait briefly
                await new Promise(resolve => setTimeout(resolve, 1000));

                // Restart component
                await this.startComponent(component);

                console.log(`[CommunicationDecodingPipeline] Successfully restarted component: ${componentId}`);
            }
        } catch (error) {
            console.error(`[CommunicationDecodingPipeline] Failed to restart component ${componentId}:`, error);

            // Trigger failover if restart fails
            this.failoverManager.handleComponentFailure(componentId, error);
        }
    }

    async stopComponent(component) {
        const instance = component.instance;

        if (instance.stopDetection) {
            await instance.stopDetection();
        } else if (instance.stopDecoding) {
            await instance.stopDecoding();
        } else if (instance.stopAnalysis) {
            await instance.stopAnalysis();
        } else if (instance.stopLearning) {
            await instance.stopLearning();
        }

        this.updateComponentHealth(component.id, 'stopped');
    }

    triggerGarbageCollection() {
        // Trigger garbage collection if available
        if (global.gc) {
            console.log('[CommunicationDecodingPipeline] Triggering garbage collection...');
            global.gc();
        }
    }

    adjustComponentSensitivity() {
        // Adjust component sensitivity to reduce errors
        console.log('[CommunicationDecodingPipeline] Adjusting component sensitivity...');

        this.components.forEach((component, id) => {
            const instance = component.instance;

            if (instance.adjustSensitivity) {
                // Reduce sensitivity to reduce false positives
                instance.adjustSensitivity('medium');
            }
        });
    }

    startPerformanceMonitoring() {
        // Start performance monitoring
        this.performanceMonitoringInterval = setInterval(() => {
            if (this.isDeployed) {
                this.collectPerformanceMetrics();
            }
        }, 30000); // Every 30 seconds
    }

    collectPerformanceMetrics() {
        const metrics = {
            timestamp: Date.now(),
            pipeline: this.deploymentId,
            uptime: Date.now() - this.startTime,
            components: {},
            system: {}
        };

        // Collect component metrics
        this.components.forEach((component, id) => {
            const componentMetrics = this.componentMetrics.get(id);
            if (componentMetrics) {
                metrics.components[id] = {
                    ...componentMetrics,
                    status: this.componentHealth.get(id)
                };
            }
        });

        // Collect system metrics
        const memoryUsage = process.memoryUsage();
        metrics.system = {
            memory: memoryUsage,
            cpus: require('os').cpus().length,
            loadAverage: require('os').loadavg(),
            uptime: require('os').uptime()
        };

        this.metricsCollector.collect(metrics);
        this.emit('performanceMetrics', metrics);
    }

    startQualityAssurance() {
        // Start quality assurance monitoring
        this.qualityAssuranceInterval = setInterval(() => {
            if (this.isDeployed) {
                this.performQualityAssurance();
            }
        }, 120000); // Every 2 minutes
    }

    performQualityAssurance() {
        // Perform quality assurance checks
        const qaResults = this.qualityAssurance.performChecks({
            components: this.components,
            metrics: this.componentMetrics,
            health: this.componentHealth
        });

        if (qaResults.issuesFound) {
            this.handleQualityIssues(qaResults);
        }

        this.emit('qualityAssurance', qaResults);
    }

    handleQualityIssues(qaResults) {
        console.warn('[CommunicationDecodingPipeline] Quality issues detected:', qaResults.issues);

        // Generate quality alert
        this.alertManager.generateAlert({
            level: 'warning',
            type: 'quality_issue',
            message: `Quality issues detected: ${qaResults.issues.length} issues`,
            data: qaResults
        });
    }

    startDataProcessing() {
        // Start data processing pipeline
        this.streamProcessor.start({
            bufferManager: this.bufferManager,
            dataRouter: this.dataRouter,
            validator: this.validator
        });
    }

    async rollbackDeployment() {
        console.log('[CommunicationDecodingPipeline] Rolling back deployment...');

        try {
            // Stop all components
            for (const component of this.components.values()) {
                try {
                    await this.stopComponent(component);
                } catch (error) {
                    console.error(`Error stopping component ${component.id}:`, error);
                }
            }

            // Clear component registrations
            this.components.clear();
            this.componentHealth.clear();
            this.componentMetrics.clear();

            // Stop monitoring
            this.stopMonitoring();

            console.log('[CommunicationDecodingPipeline] Rollback completed');

        } catch (error) {
            console.error('[CommunicationDecodingPipeline] Rollback error:', error);
        }
    }

    async shutdown() {
        if (!this.isDeployed) {
            console.log('[CommunicationDecodingPipeline] Pipeline not deployed');
            return;
        }

        console.log('[CommunicationDecodingPipeline] Shutting down pipeline...');

        try {
            // Stop monitoring
            this.stopMonitoring();

            // Stop pipeline processes
            this.stopPipelineProcesses();

            // Stop components gracefully
            await this.stopAllComponents();

            // Clean up resources
            await this.cleanupResources();

            this.isDeployed = false;

            console.log('[CommunicationDecodingPipeline] Shutdown completed');
            this.emit('shutdown', { deploymentId: this.deploymentId });

        } catch (error) {
            console.error('[CommunicationDecodingPipeline] Shutdown error:', error);
            this.emit('shutdownError', error);
        }
    }

    stopMonitoring() {
        // Stop all monitoring intervals
        if (this.healthMonitoringInterval) {
            clearInterval(this.healthMonitoringInterval);
        }
        if (this.performanceMonitoringInterval) {
            clearInterval(this.performanceMonitoringInterval);
        }
        if (this.qualityAssuranceInterval) {
            clearInterval(this.qualityAssuranceInterval);
        }

        // Stop monitoring systems
        this.monitor.stop();
        this.metricsCollector.stop();
        this.performanceAnalyzer.stop();
    }

    stopPipelineProcesses() {
        // Stop pipeline-level processes
        this.streamProcessor.stop();
        this.failoverManager.stop();
        if (this.scalingMode === 'auto') {
            this.scalingManager.stop();
        }
    }

    async stopAllComponents() {
        // Stop all components in reverse priority order
        const sortedComponents = Array.from(this.components.values())
            .sort((a, b) => b.priority - a.priority);

        for (const component of sortedComponents) {
            try {
                await this.stopComponent(component);
                console.log(`[CommunicationDecodingPipeline] Stopped component: ${component.id}`);
            } catch (error) {
                console.error(`[CommunicationDecodingPipeline] Error stopping component ${component.id}:`, error);
            }
        }
    }

    async cleanupResources() {
        // Clean up pipeline resources
        this.components.clear();
        this.componentHealth.clear();
        this.componentMetrics.clear();

        // Clean up managers
        this.dataRouter.cleanup();
        this.bufferManager.cleanup();
        this.alertManager.cleanup();
    }

    // Public interface methods

    getDeploymentStatus() {
        return {
            deployed: this.isDeployed,
            deploymentId: this.deploymentId,
            startTime: this.startTime,
            uptime: this.startTime ? Date.now() - this.startTime : 0,
            componentCount: this.components.size,
            healthStatus: this.getOverallHealthStatus(),
            lastHealthCheck: this.lastHealthCheck
        };
    }

    getOverallHealthStatus() {
        const healthStatuses = Array.from(this.componentHealth.values());
        const healthyCount = healthStatuses.filter(status => status === 'healthy').length;
        const totalCount = healthStatuses.length;

        if (totalCount === 0) return 'unknown';
        if (healthyCount === totalCount) return 'healthy';
        if (healthyCount > totalCount * 0.7) return 'degraded';
        return 'unhealthy';
    }

    getComponentStatuses() {
        const statuses = {};

        this.components.forEach((component, id) => {
            statuses[id] = {
                type: component.type,
                role: component.role,
                priority: component.priority,
                health: this.componentHealth.get(id),
                metrics: this.componentMetrics.get(id)
            };
        });

        return statuses;
    }

    getPerformanceMetrics() {
        return this.metricsCollector.getLatestMetrics();
    }

    getDetailedMetrics() {
        return {
            deployment: this.getDeploymentStatus(),
            components: this.getComponentStatuses(),
            performance: this.getPerformanceMetrics(),
            system: this.getSystemMetrics(),
            alerts: this.alertManager.getRecentAlerts()
        };
    }

    getSystemMetrics() {
        const memoryUsage = process.memoryUsage();
        return {
            memory: memoryUsage,
            cpus: require('os').cpus().length,
            loadAverage: require('os').loadavg(),
            uptime: require('os').uptime(),
            platform: require('os').platform(),
            arch: require('os').arch()
        };
    }

    async restartPipeline() {
        console.log('[CommunicationDecodingPipeline] Restarting pipeline...');

        await this.shutdown();
        await new Promise(resolve => setTimeout(resolve, 5000)); // Wait 5 seconds
        return await this.deploy();
    }

    async scaleComponents(componentType, targetCount) {
        return this.scalingManager.scaleComponent(componentType, targetCount);
    }

    async updateConfiguration(newConfig) {
        // Update pipeline configuration
        if (newConfig.deploymentMode) this.deploymentMode = newConfig.deploymentMode;
        if (newConfig.scalingMode) this.scalingMode = newConfig.scalingMode;
        if (newConfig.redundancyLevel) this.redundancyLevel = newConfig.redundancyLevel;
        if (newConfig.performanceTarget) this.performanceTarget = newConfig.performanceTarget;

        // Apply configuration changes
        await this.applyConfigurationChanges(newConfig);

        this.emit('configurationUpdated', newConfig);
    }

    async applyConfigurationChanges(config) {
        // Apply configuration changes to running pipeline
        // This would update component settings, scaling policies, etc.
        console.log('[CommunicationDecodingPipeline] Applying configuration changes...');
    }
}

// Supporting classes

class PipelineOrchestrator {
    constructor(pipeline) {
        this.pipeline = pipeline;
    }

    async orchestrate(event) {
        // Orchestrate pipeline response to events
        // This would coordinate component interactions
    }
}

class ComponentLoadBalancer {
    constructor() {
        this.balancingStrategies = new Map();
    }

    configureLoadBalancing(componentType, components) {
        // Configure load balancing for component type
        this.balancingStrategies.set(componentType, {
            components,
            strategy: 'round_robin',
            currentIndex: 0
        });
    }

    getNextComponent(componentType) {
        // Get next component for load balancing
        const strategy = this.balancingStrategies.get(componentType);
        if (!strategy) return null;

        const component = strategy.components[strategy.currentIndex];
        strategy.currentIndex = (strategy.currentIndex + 1) % strategy.components.length;

        return component;
    }
}

class FailoverManager {
    constructor() {
        this.failoverPolicies = new Map();
        this.isMonitoring = false;
    }

    async configure(config) {
        this.config = config;
        // Configure failover policies
    }

    async startMonitoring() {
        this.isMonitoring = true;
        // Start monitoring for component failures
    }

    stop() {
        this.isMonitoring = false;
    }

    handleComponentFailure(componentId, error) {
        console.log(`[FailoverManager] Handling failure of component: ${componentId}`);
        // Implement failover logic
    }
}

class AutoScalingManager {
    constructor() {
        this.scalingPolicies = null;
        this.isActive = false;
    }

    async configure(config) {
        this.config = config;
        this.scalingPolicies = config.scalingPolicies;
    }

    async start() {
        this.isActive = true;
        // Start auto-scaling monitoring
    }

    stop() {
        this.isActive = false;
    }

    async scaleComponent(componentType, targetCount) {
        // Scale specific component type
        console.log(`[AutoScalingManager] Scaling ${componentType} to ${targetCount} instances`);
    }
}

class PipelineMonitor {
    constructor(pipeline) {
        this.pipeline = pipeline;
        this.components = new Map();
    }

    addComponent(component) {
        this.components.set(component.id, component);
    }

    async start() {
        // Start monitoring
        console.log('[PipelineMonitor] Monitoring started');
    }

    stop() {
        // Stop monitoring
        console.log('[PipelineMonitor] Monitoring stopped');
    }
}

class PipelineAlertManager {
    constructor() {
        this.alerts = [];
        this.config = null;
    }

    async configure(config) {
        this.config = config;
    }

    generateAlert(alert) {
        const alertWithId = {
            id: `alert_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`,
            ...alert,
            timestamp: Date.now()
        };

        this.alerts.push(alertWithId);

        // Maintain alert history
        if (this.alerts.length > 1000) {
            this.alerts.shift();
        }

        console.log(`[PipelineAlertManager] ${alert.level.toUpperCase()} ALERT: ${alert.message}`);

        return alertWithId;
    }

    getRecentAlerts(count = 10) {
        return this.alerts.slice(-count);
    }

    cleanup() {
        this.alerts = [];
    }
}

class MetricsCollector {
    constructor() {
        this.metrics = [];
        this.isActive = false;
    }

    async start() {
        this.isActive = true;
        console.log('[MetricsCollector] Started');
    }

    stop() {
        this.isActive = false;
        console.log('[MetricsCollector] Stopped');
    }

    collect(metrics) {
        if (this.isActive) {
            this.metrics.push(metrics);

            // Maintain metrics history
            if (this.metrics.length > 1000) {
                this.metrics.shift();
            }
        }
    }

    getLatestMetrics() {
        return this.metrics.slice(-1)[0] || null;
    }

    getAllMetrics() {
        return [...this.metrics];
    }
}

class PerformanceAnalyzer {
    constructor() {
        this.isActive = false;
    }

    async start() {
        this.isActive = true;
        console.log('[PerformanceAnalyzer] Started');
    }

    stop() {
        this.isActive = false;
        console.log('[PerformanceAnalyzer] Stopped');
    }

    analyzePerformance(metrics) {
        // Analyze performance metrics
        return {
            overall: 'good',
            bottlenecks: [],
            recommendations: []
        };
    }
}

class DataRouter {
    constructor() {
        this.routes = new Map();
    }

    addRoute(eventType, targetComponents) {
        this.routes.set(eventType, targetComponents);
    }

    route(event) {
        const targets = this.routes.get(event.type);
        if (targets) {
            // Route event to target components
            targets.forEach(targetId => {
                this.sendToComponent(targetId, event);
            });
        }
    }

    sendToComponent(componentId, event) {
        // Send event to specific component
        // Implementation would depend on component interface
    }

    cleanup() {
        this.routes.clear();
    }
}

class BufferManager {
    constructor() {
        this.buffers = new Map();
    }

    createBuffer(bufferId, size) {
        this.buffers.set(bufferId, {
            data: [],
            maxSize: size,
            created: Date.now()
        });
    }

    addToBuffer(bufferId, data) {
        const buffer = this.buffers.get(bufferId);
        if (buffer) {
            buffer.data.push(data);
            if (buffer.data.length > buffer.maxSize) {
                buffer.data.shift();
            }
        }
    }

    getBuffer(bufferId) {
        return this.buffers.get(bufferId);
    }

    cleanup() {
        this.buffers.clear();
    }
}

class StreamProcessor {
    constructor() {
        this.isActive = false;
    }

    start(config) {
        this.isActive = true;
        this.config = config;
        console.log('[StreamProcessor] Started');
    }

    stop() {
        this.isActive = false;
        console.log('[StreamProcessor] Stopped');
    }

    process(data) {
        if (this.isActive) {
            // Process streaming data
            return this.config.validator.validate(data);
        }
    }
}

class OutputValidator {
    validate(data) {
        // Validate output data
        return {
            valid: true,
            errors: [],
            warnings: []
        };
    }
}

class QualityAssuranceSystem {
    performChecks(context) {
        // Perform quality assurance checks
        return {
            passed: true,
            issuesFound: false,
            issues: [],
            score: 0.95
        };
    }
}

class AccuracyTracker {
    constructor() {
        this.measurements = [];
    }

    recordAccuracy(measurement) {
        this.measurements.push({
            ...measurement,
            timestamp: Date.now()
        });

        // Maintain history
        if (this.measurements.length > 1000) {
            this.measurements.shift();
        }
    }

    getAverageAccuracy() {
        if (this.measurements.length === 0) return 0;

        const sum = this.measurements.reduce((acc, m) => acc + m.accuracy, 0);
        return sum / this.measurements.length;
    }
}

// Additional supporting classes for correlation and pattern analysis

class CorrelationAnalyzer {
    constructor() {
        this.correlations = [];
    }

    analyze(data) {
        // Analyze correlations in data
        return {
            correlations: this.correlations,
            strength: 0.8
        };
    }
}

class PatternClassifier {
    constructor() {
        this.patterns = new Map();
    }

    classify(pattern) {
        // Classify detected patterns
        return {
            type: 'entity_communication',
            confidence: 0.85,
            features: []
        };
    }
}

class TemporalAnalyzer {
    constructor() {
        this.temporalPatterns = [];
    }

    analyze(temporalData) {
        // Analyze temporal patterns
        return {
            patterns: this.temporalPatterns,
            trends: [],
            periodicity: null
        };
    }
}

export default CommunicationDecodingPipeline;