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

namespace POSV.MessageEvent
{
    /// <summary>
    /// 消息订阅-发布的操作类
    /// </summary>
    public class MsgEvent
    {
        /// <summary>
        /// 发送消息
        /// </summary>
        /// <param name="args">消息体对象</param>
        /// <param name="sender">发送者对象</param>
        public static void Send(MsgEventArgs args , object sender = null)
        {
            MsgEventFactory.EventsContainer.Run(sender , args);
        }

        /// <summary>
        /// 发送消息
        /// </summary>
        /// <param name="msgType">信道ID</param>
        /// <param name="data">消息数据</param>
        /// <param name="sender">发送者对象</param>
        public static void Send(string msgType , object data , object sender = null)
        {
            MsgEventArgs args = new MsgEventArgs(msgType);
            args.Data = data;
            MsgEventFactory.EventsContainer.Run(sender , args);
        }

        /// <summary>
        /// 订阅消息
        /// </summary>
        /// <param name="msgType">信道ID</param>
        /// <param name="func">用于处理接收到消息的方法</param>
        /// <param name="receiver">订阅者对象，默认为null</param>
        /// <param name="isOnce">是否接收方法只处理一次，默认为false</param>
        public static void Receive(string msgType , EventHandler<MsgEventArgs> func , object receiver = null , bool isOnce = false)
        {
            MsgEventFactory.EventsContainer.AddListener(msgType , func , receiver , isOnce);
        }

        /// <summary>
        /// 移除消息的订阅
        /// </summary>
        /// <param name="msgType">信道ID</param>
        /// <param name="func">需要移除的接收消息处理方法</param>
        /// <param name="receiver">订阅者对象，默认为null</param>
        public static void RemoveListener(string msgType , EventHandler<MsgEventArgs> func , object receiver = null)
        {
            MsgEventFactory.EventsContainer.RemoveListener(msgType , func , receiver);
        }

    }
}