import { Logger } from '../../utils/logger';
import { NeuralCoordinationModels } from '../neural/coordination-models';
import { VertexAiPerformanceOptimizer } from './vertex-ai-performance-optimizer';

/**
 * @interface NeuralOptimizationConfig
 * @description Configuration for Neural Performance Optimization.
 */
export interface NeuralOptimizationConfig {
  projectID: string;
  // Add configuration for optimization models, thresholds, etc.
}

/**
 * @interface NeuralOptimizationOperations
 * @description Defines operations for AI-driven performance optimization.
 */
export interface NeuralOptimizationOperations {
  tuneSystemPerformance(currentMetrics: any): Promise<any>;
  predictiveScale(workloadForecast: any): Promise<void>;
  allocateResourcesIntelligently(resourceRequests: any): Promise<any>;
  detectPerformanceAnomalies(metricsStream: any): Promise<boolean>;
  optimizeCost(usageData: any): Promise<any>;
}

/**
 * @class NeuralPerformanceOptimizer
 * @description Provides AI-driven system performance tuning and optimization using neural networks.
 */
export class NeuralPerformanceOptimizer implements NeuralOptimizationOperations {
  private config: NeuralOptimizationConfig;
  private logger: Logger;
  private neuralModels: NeuralCoordinationModels;
  private vertexAiOptimizer: VertexAiPerformanceOptimizer;

  constructor(
    config: NeuralOptimizationConfig,
    neuralModels: NeuralCoordinationModels,
    vertexAiOptimizer: VertexAiPerformanceOptimizer
  ) {
    this.config = config;
    this.logger = new Logger('NeuralPerformanceOptimizer');
    this.neuralModels = neuralModels;
    this.vertexAiOptimizer = vertexAiOptimizer;
    this.logger.info('Neural Performance Optimizer initialized.');
  }

  /**
   * Tunes system performance using an AI-driven approach.
   * @param {any} currentMetrics Current system performance metrics.
   * @returns {Promise<any>} Recommended tuning actions.
   */
  public async tuneSystemPerformance(currentMetrics: any): Promise<any> {
    this.logger.info('AI-driven system performance tuning...', currentMetrics);
    // Use neural network to recommend tuning actions
    const recommendations = await this.neuralModels.optimizeSystemPerformance(currentMetrics);
    this.logger.debug('System tuning recommendations:', recommendations);
    return recommendations;
  }

  /**
   * Performs predictive scaling based on workload patterns.
   * @param {any} workloadForecast Forecasted workload data.
   * @returns {Promise<void>}
   */
  public async predictiveScale(workloadForecast: any): Promise<void> {
    this.logger.info('Performing predictive scaling...', workloadForecast);
    // Use neural network to predict optimal scaling actions
    await this.vertexAiOptimizer.optimizeModelEndpoints(); // Example of using Vertex AI optimizer
    this.logger.debug('Predictive scaling actions initiated.');
  }

  /**
   * Allocates resources intelligently using neural networks.
   * @param {any} resourceRequests Data describing resource requests.
   * @returns {Promise<any>} Optimized resource allocation.
   */
  public async allocateResourcesIntelligently(resourceRequests: any): Promise<any> {
    this.logger.info('Intelligently allocating resources...', resourceRequests);
    // Use neural network to optimize resource allocation
    const allocation = await this.neuralModels.makeDecision(resourceRequests);
    this.logger.debug('Resource allocation:', allocation);
    return allocation;
  }

  /**
   * Detects performance anomalies in real-time metrics streams.
   * @param {any} metricsStream A stream of real-time metrics.
   * @returns {Promise<boolean>} True if an anomaly is detected, false otherwise.
   */
  public async detectPerformanceAnomalies(metricsStream: any): Promise<boolean> {
    this.logger.info('Detecting performance anomalies...', metricsStream);
    // Use neural network for anomaly detection
    const isAnomaly = await this.neuralModels.detectAnomaly(metricsStream);
    this.logger.debug(`Performance anomaly detected: ${isAnomaly}`);
    return isAnomaly;
  }

  /**
   * Optimizes cost through intelligent resource utilization.
   * @param {any} usageData Data on resource usage and costs.
   * @returns {Promise<any>} Cost optimization recommendations.
   */
  public async optimizeCost(usageData: any): Promise<any> {
    this.logger.info('Optimizing cost through intelligent resource utilization...', usageData);
    // Use Vertex AI optimizer for cost analysis
    const recommendations = await this.vertexAiOptimizer.analyzeCostAndRecommendOptimizations();
    this.logger.debug('Cost optimization recommendations:', recommendations);
    return recommendations;
  }
}