/**
 * Health Event Publisher Port
 * 
 * Defines the interface for publishing health-related events.
 * This port is implemented by adapters that can publish events.
 */

export interface HealthEventPublisher {
  /**
   * Publish a health check completed event
   */
  publishHealthCheckCompleted(event: HealthCheckCompletedEvent): Promise<void>;
  
  /**
   * Publish a health check failed event
   */
  publishHealthCheckFailed(event: HealthCheckFailedEvent): Promise<void>;
  
  /**
   * Publish a health check timeout event
   */
  publishHealthCheckTimeout(event: HealthCheckTimeoutEvent): Promise<void>;
  
  /**
   * Publish a connected event
   */
  publishConnected(event: ConnectedEvent): Promise<void>;
  
  /**
   * Publish a disconnected event
   */
  publishDisconnected(event: DisconnectedEvent): Promise<void>;
  
  /**
   * Publish a degraded event
   */
  publishDegraded(event: DegradedEvent): Promise<void>;
  
  /**
   * Publish a checking event
   */
  publishChecking(event: CheckingEvent): Promise<void>;
}

export interface HealthCheckCompletedEvent {
  healthy: boolean;
  responseTime: number;
  timestamp: Date;
  endpoint?: string;
}

export interface HealthCheckFailedEvent {
  error: string;
  timestamp: Date;
  endpoint?: string;
}

export interface HealthCheckTimeoutEvent {
  timestamp: Date;
  endpoint?: string;
}

export interface ConnectedEvent {
  timestamp: Date;
  responseTime: number;
}

export interface DisconnectedEvent {
  timestamp: Date;
  consecutiveFailures: number;
}

export interface DegradedEvent {
  timestamp: Date;
  reliability: number;
}

export interface CheckingEvent {
  timestamp: Date;
}