/**
 * Basic metrics collector for benchmarking.
 * This is a placeholder implementation that will be expanded later.
 */

/**
 * MetricsCollector class for tracking performance metrics.
 */
export class MetricsCollector {
  sampling_interval: number;
  private startTime?: Date;
  private endTime?: Date;
  private metrics: Record<string, any> = {};

  /**
   * Create a new metrics collector
   */
  constructor(sampling_interval: number = 0.1) {
    this.sampling_interval = sampling_interval;
  }

  /**
   * Start metrics collection
   */
  start_collection(): void {
    this.startTime = new Date();
  }

  /**
   * Stop metrics collection and return results
   */
  stop_collection(): any {
    this.endTime = new Date();
    const executionTime = this.endTime.getTime() - (this.startTime?.getTime() || 0);
    
    return {
      execution_time: executionTime / 1000, // Convert to seconds
      throughput: 1 / (executionTime / 1000) // Tasks per second
    };
  }

  /**
   * Save metrics report to file
   */
  save_metrics_report(outputPath: string): void {
    // This is a placeholder - will be implemented later
  }
}

/**
 * ProcessMonitor for tracking process metrics like CPU and memory usage
 */
export class ProcessMonitor {
  private sampling_interval: number;
  
  constructor(sampling_interval: number = 0.1) {
    this.sampling_interval = sampling_interval;
  }
  
  /**
   * Start monitoring
   */
  start(): void {
    // This is a placeholder - will be implemented later
  }
  
  /**
   * Stop monitoring and return metrics
   */
  stop(): { cpu_percent: number, memory_mb: number } {
    // Placeholder values
    return { 
      cpu_percent: 0, 
      memory_mb: 0 
    };
  }
}