import type { ITaskStep } from './taskbuffer.classes.taskstep.js';

export interface ITaskMetadata {
  name: string;
  version?: string;
  status: 'idle' | 'running' | 'completed' | 'failed';
  steps: ITaskStep[];
  currentStep?: string;
  currentProgress: number; // 0-100
  lastRun?: Date;
  nextRun?: Date; // For scheduled tasks
  runCount: number;
  averageDuration?: number;
  cronSchedule?: string;
  buffered?: boolean;
  bufferMax?: number;
  timeout?: number;
  lastError?: string;
  errorCount?: number;
  labels?: Record<string, string>;
}

export interface ITaskExecutionReport {
  taskName: string;
  startTime: number;
  endTime: number;
  duration: number;
  steps: ITaskStep[];
  stepsCompleted: string[];
  progress: number;
  result?: any;
  error?: Error;
}

export interface IScheduledTaskInfo {
  name: string;
  schedule: string;
  nextRun: Date;
  lastRun?: Date;
  steps?: ITaskStep[];
  metadata?: ITaskMetadata;
}

export type TTaskEventType = 'started' | 'step' | 'completed' | 'failed';

export interface ITaskEvent {
  type: TTaskEventType;
  task: ITaskMetadata;
  timestamp: number;
  stepName?: string;   // present when type === 'step'
  error?: string;      // present when type === 'failed'
}