export interface ITaskStep {
  name: string;
  description: string;
  percentage: number; // Weight of this step (0-100)
  status: 'pending' | 'active' | 'completed';
  startTime?: number;
  endTime?: number;
  duration?: number;
}

export class TaskStep implements ITaskStep {
  public name: string;
  public description: string;
  public percentage: number;
  public status: 'pending' | 'active' | 'completed' = 'pending';
  public startTime?: number;
  public endTime?: number;
  public duration?: number;

  constructor(config: { name: string; description: string; percentage: number }) {
    this.name = config.name;
    this.description = config.description;
    this.percentage = config.percentage;
  }

  public start(): void {
    this.status = 'active';
    this.startTime = Date.now();
  }

  public complete(): void {
    if (this.startTime) {
      this.endTime = Date.now();
      this.duration = this.endTime - this.startTime;
    }
    this.status = 'completed';
  }

  public reset(): void {
    this.status = 'pending';
    this.startTime = undefined;
    this.endTime = undefined;
    this.duration = undefined;
  }

  public toJSON(): ITaskStep {
    return {
      name: this.name,
      description: this.description,
      percentage: this.percentage,
      status: this.status,
      startTime: this.startTime,
      endTime: this.endTime,
      duration: this.duration,
    };
  }
}