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

namespace Mesnac.Compressor.Entity
{
    public class DictionaryOperation<T>
    {
        public Dictionary<int,T> _dic=new Dictionary<int,T>();
        public Dictionary<int, T> Dic
        {
            get
            {
                return _dic;
            }
        }

        public T find(int i)
        {
            lock (this)
            {
                if (_dic.ContainsKey(i))
                {
                    return _dic[i];
                }
                else
                {
                    return default(T);
                }
            }
        }

        public void Delete(int i)
        {
            lock (this)
            {
                if (_dic.ContainsKey(i))
                {
                    _dic.Remove(i);
                }              
            }
            
        }
        
        /// <summary>
        /// 已经包好返回原来key，否则返回新key
        /// </summary>
        /// <param name="i"></param>
        /// <param name="t"></param>
        /// <returns></returns>
        public int Add(int i,T t)
        {
            lock (this)
            {
                if (_dic.ContainsValue(t))
                {
                    foreach (KeyValuePair<int, T> item in _dic)
                    {
                        if (item.Value.Equals(t))
                        {
                            return item.Key;
                        }
                    }
                }
                if (!_dic.ContainsKey(i))
                {
                    _dic.Add(i, t);                   
                }
                else
                {
                    i++;
                    Add(i, t);
                }
                return i;
            }           
        }
    }

    //站，先进先出
    public class Queue<T>
    {
        private readonly List<T> _TrayQueue=new List<T>();

        public List<T> TrayQueue
        {
            get { return _TrayQueue; }
        }


        #region 队列操作
        //添加
        public bool InsertQueue(T Tray)
        {
            foreach (T t in _TrayQueue)
            {
                if (t.Equals(Tray))
                {
                    return false;
                }
            }
            lock (this)
            {
                _TrayQueue.Add(Tray);
            }
            return true;
        }
        /// <summary>
        /// 出队
        /// </summary>
        /// <returns></returns>
        public T OutQueue()
        {
            T tyre = default(T);
            lock (this)
            {
                if (_TrayQueue != null && _TrayQueue.Count > 0)
                {
                    tyre = _TrayQueue[0];
                }
            }
            return tyre;
        }
        /// <summary>
        /// 删除第一个信息
        /// </summary>
        /// <param name=""></param>
        public void DeleteTyre()
        {
            if (_TrayQueue.Count > 0)
            {
                T df = _TrayQueue[0];
                lock (this)
                {
                    _TrayQueue.RemoveAt(0);
                }
            }
        }
        /// <summary>
        /// 队列是否为空
        /// </summary>
        /// <returns></returns>
        public bool IsRFIDAvailable()
        {
            bool exist;
            lock (this)
            {
                exist = _TrayQueue.Count > 0;
            }
            return exist;

        } 
        /// <summary>
        /// 处理超时则清空某些轮胎
        /// </summary>
        /// <param name="time"></param>
        public void ClearQueue(DateTime time)
        {
            lock (this)
            {
                for (int i = 0; i < _TrayQueue.Count; i++)
                {
                    var tyre = _TrayQueue[i];
                    //if (tyre.InputTime < time)
                    //{
                    _TrayQueue.RemoveAt(i);
                    //}
                }
            }
        }

        #endregion
    }

}