import { Logger } from '../utils/logger';
import { CrossComponentCommunication } from '../core/integration/cross-communication';
import { SystemReliability } from '../core/production/reliability';
import { ProductionMonitoring } from '../core/production/monitoring';

/**
 * @interface IntegrationEnhancementConfig
 * @description Configuration for Integration Enhancement.
 */
export interface IntegrationEnhancementConfig {
  // Add configuration for communication protocols, error thresholds, etc.
}

/**
 * @interface IntegrationEnhancementOperations
 * @description Defines operations for enhancing system integration.
 */
export interface IntegrationEnhancementOperations {
  strengthenCrossComponentCommunication(): Promise<void>;
  optimizeDataFlow(): Promise<void>;
  enhanceErrorHandlingAndRecovery(): Promise<void>;
  improveMonitoringAndObservability(): Promise<void>;
}

/**
 * @class IntegrationEnhancer
 * @description Addresses gaps and optimizes the complete system integration.
 */
export class IntegrationEnhancer implements IntegrationEnhancementOperations {
  private config: IntegrationEnhancementConfig;
  private logger: Logger;
  private crossCommunication: CrossComponentCommunication;
  private systemReliability: SystemReliability;
  private productionMonitoring: ProductionMonitoring;

  constructor(
    config: IntegrationEnhancementConfig,
    crossCommunication: CrossComponentCommunication,
    systemReliability: SystemReliability,
    productionMonitoring: ProductionMonitoring
  ) {
    this.config = config;
    this.logger = new Logger('IntegrationEnhancer');
    this.crossCommunication = crossCommunication;
    this.systemReliability = systemReliability;
    this.productionMonitoring = productionMonitoring;
    this.logger.info('Integration Enhancer initialized.');
  }

  /**
   * Strengthens cross-component communication.
   * @returns {Promise<void>}
   */
  public async strengthenCrossComponentCommunication(): Promise<void> {
    this.logger.info('Strengthening cross-component communication (conceptual)...');
    // This would involve:
    // - Implementing more robust message queues.
    // - Optimizing serialization/deserialization.
    // - Ensuring message delivery guarantees.
    await this.crossCommunication.publishSystemEvent('system:communication_optimized', { level: 'enhanced' });
    this.logger.debug('Cross-component communication strengthened.');
  }

  /**
   * Optimizes data flow between systems.
   * @returns {Promise<void>}
   */
  public async optimizeDataFlow(): Promise<void> {
    this.logger.info('Optimizing data flow between systems (conceptual)...');
    // This would involve:
    // - Batching data transfers.
    // - Implementing data compression.
    // - Optimizing data pipelines.
    await this.crossCommunication.syncData('all', 'all', { optimized: true }); // Conceptual sync
    this.logger.debug('Data flow optimized.');
  }

  /**
   * Enhances error handling and recovery mechanisms.
   * @returns {Promise<void>}
   */
  public async enhanceErrorHandlingAndRecovery(): Promise<void> {
    this.logger.info('Enhancing error handling and recovery (conceptual)...');
    // This would involve:
    // - Implementing more sophisticated retry policies.
    // - Enhancing circuit breaker configurations.
    // - Improving graceful degradation strategies.
    await this.systemReliability.executeWithRetry(async () => { this.logger.debug('Simulating enhanced error handling.'); return true; });
    this.logger.debug('Error handling and recovery enhanced.');
  }

  /**
   * Improves monitoring and observability.
   * @returns {Promise<void>}
   */
  public async improveMonitoringAndObservability(): Promise<void> {
    this.logger.info('Improving monitoring and observability (conceptual)...');
    // This would involve:
    // - Adding more custom metrics.
    // - Enhancing distributed tracing.
    // - Improving log analysis capabilities.
    await this.productionMonitoring.recordCustomMetric('integration_health', 1, { status: 'improved' });
    this.logger.debug('Monitoring and observability improved.');
  }
}