using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace YG.Lib
{
    /// <summary>
    /// 委托
    /// </summary>
    /// <param name="ob"></param>
    /// <returns></returns>
    public delegate bool queue_Delegate(object ob);
    /// <summary>
    /// 任务列表信息
    /// </summary>
    public class Queue_Task_List
    {
        /// <summary>
        /// 任务标识符
        /// </summary>
        public string queueID { get; set; }
        /// <summary>
        /// 委托对象的参数
        /// </summary>
        public object ob { get; set; }
        /// <summary>
        /// 委托
        /// </summary>
        public queue_Delegate QDTL { get; set; }

    }
    public class QueueLib
    {
        private static QueueLib qh = new QueueLib();
        public static QueueLib Instance
        {
            get { return qh; }
        }
        /// <summary>
        /// 执行事件的列表
        /// </summary>
        System.Collections.Concurrent.ConcurrentQueue<Queue_Task_List> qlist = new System.Collections.Concurrent.ConcurrentQueue<Queue_Task_List>();
        /// <summary>
        /// 添加任务到列表信息中
        /// </summary>
        /// <param name="ob"></param>
        /// <param name="qd"></param>
        public void Queue_Add(object ob, queue_Delegate qd)
        {
            qlist.Enqueue(new Queue_Task_List() { ob = ob, QDTL = qd });
        }
        /// <summary>
        /// 弹出一个任务
        /// </summary>
        /// <param name="qt"></param>
        /// <returns></returns>
        public bool Queue_Dequeue(out Queue_Task_List qt)
        {
            qt = new Queue_Task_List();
            if (qlist.Count > 0)
            {
                if (qlist.TryDequeue(out qt))
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
            return false;
        }
        /// <summary>
        /// 查找任务
        /// </summary>
        /// <param name="id"></param>
        /// <param name="qt"></param>
        /// <returns></returns>
        public bool Queue_Find(string id, Queue_Task_List qt)
        {
            try
            {
                Queue_Task_List ql = qlist.Where(m => m.queueID.Equals(id)).FirstOrDefault();
                ql = qt;
                return true;
            }
            catch(Exception ex)
            {
                YG.Log.Instance.WriteLogAdd($"91-->{ex.Message}");
                return false;
            }
        }
        public void Queue_Close()
        {
           
           // qlist.
        }
    }
}