/**
 * Task Tool - Stub implementation
 * Handles task execution and management
 */

export interface Task {
  id: string;
  name: string;
  description: string;
  status: 'pending' | 'running' | 'completed' | 'failed';
  created_at: Date;
  updated_at: Date;
  metadata?: Record<string, any>;
}

export class TaskTool {
  private tasks: Map<string, Task> = new Map();

  async createTask(name: string, description: string, metadata?: Record<string, any>): Promise<Task> {
    const task: Task = {
      id: `task_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`,
      name,
      description,
      status: 'pending',
      created_at: new Date(),
      updated_at: new Date(),
      metadata,
    };

    this.tasks.set(task.id, task);
    return task;
  }

  async getTask(id: string): Promise<Task | null> {
    return this.tasks.get(id) || null;
  }

  async updateTaskStatus(id: string, status: Task['status']): Promise<void> {
    const task = this.tasks.get(id);
    if (task) {
      task.status = status;
      task.updated_at = new Date();
      this.tasks.set(id, task);
    }
  }

  async listTasks(): Promise<Task[]> {
    return Array.from(this.tasks.values());
  }

  async executeTask(id: string): Promise<void> {
    await this.updateTaskStatus(id, 'running');
    // Stub implementation - actual task execution would go here
    await new Promise(resolve => setTimeout(resolve, 100));
    await this.updateTaskStatus(id, 'completed');
  }
}