// 主动服务系统
export interface ScheduledTask {
  id: string;
  userId: string;
  channel: string;
  schedule: {
    type: 'once' | 'daily' | 'weekly' | 'cron';
    time: string;
    timezone: string;
  };
  task: {
    type: string;
    prompt: string;
  };
  status: 'active' | 'paused' | 'completed';
  lastRun?: Date;
  nextRun?: Date;
}

export class ProactiveServiceSystem {
  private tasks: Map<string, ScheduledTask> = new Map();
  private cronJobs: Map<string, any> = new Map();

  async scheduleTask(task: ScheduledTask): Promise<void> {
    task.id = task.id || this.generateId();
    task.status = 'active';
    
    this.tasks.set(task.id, task);
    
    // TODO: 使用 node-cron 设置定时任务（后续实现）
    console.log([Proactive] Task scheduled: );
  }

  async cancelTask(taskId: string): Promise<void> {
    const task = this.tasks.get(taskId);
    if (task) {
      task.status = 'paused';
      // TODO: 取消 cron job
    }
  }

  async listTasks(userId: string): Promise<ScheduledTask[]> {
    return Array.from(this.tasks.values()).filter(t => t.userId === userId);
  }

  private generateId(): string {
    return cron__;
  }
}