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

namespace JwKdsV.Core.MessageEvent
{
    /// <summary>
    /// 消息事件管理器
    /// </summary>
    public class MsgEventsContainer
    {
        public MsgEventsContainer()
        {
            eventsList = new Dictionary<string , MsgEventProvider>();
        }

        #region 属性|字段
        private Dictionary<string , MsgEventProvider> eventsList;
        #endregion

        #region 方法

        public void AddListener(string msgType , EventHandler<MsgEventArgs> func , object _receiver , bool isOnce)
        {
            if (eventsList.ContainsKey(msgType) == false)
            {
                MsgEventProvider _msgEventProvider = new MsgEventProvider(msgType);
                eventsList.Add(msgType , _msgEventProvider);
            }

            MsgEventProvider msgEventProvider = eventsList[msgType];

            #region 构建消息接收对象
            MsgReceiver receiver = new MsgReceiver();
            receiver.IsOnce = isOnce;
            receiver.ReceiverObj = _receiver;
            receiver.appEventHandler = func;
            #endregion

            msgEventProvider.AddListener(receiver);
        }

        public void RemoveListener(string msgType , EventHandler<MsgEventArgs> func , object _receiver)
        {
            if (eventsList.ContainsKey(msgType) == false) return;

            MsgEventProvider msgEventProvider = eventsList[msgType];

            #region 构建消息接受者对象
            MsgReceiver receiver = new MsgReceiver();
            receiver.IsOnce = true;
            receiver.ReceiverObj = _receiver;
            receiver.appEventHandler = func;
            #endregion

            msgEventProvider.RemoveListener(receiver);
        }

        public void Run(Object sender , MsgEventArgs args)
        {
            string msgType = args.EventType;

            //未存在注册的消息事件，则直接返回
            if (eventsList.ContainsKey(msgType) == false) return;

            MsgEventProvider msgEventProvider = eventsList[msgType];

            msgEventProvider.Run(sender , args);
        }

        public MsgEventProvider GetAllProvider(string msgType)
        {
            if (eventsList.ContainsKey(msgType) == false) return null;

            return eventsList[msgType];
        }

        #endregion

    }
}