using System;
using System.Collections;
using System.Collections.Generic;
using UnityEditor.Search;
using UnityEngine;

//消息管理器
public class EventManager : MonoSingleton<EventManager>
{
    public delegate void EventHandler(params object[] args);

    private Dictionary<string, Action> _actionDic = new Dictionary<string, Action>();
    private Dictionary<string, EventHandler> _actionsDic = new Dictionary<string, EventHandler>();
    public void AddEventListener(string eventName, Action handler)
    {
        if (!_actionDic.ContainsKey(eventName))
        {
            _actionDic.Add(eventName, handler);
        }
        else
        {
            _actionDic[eventName] -= handler;
            _actionDic[eventName] += handler;
        }
    }

    public void RemoveEventListener(string eventName, Action handler)
    {
        if (!_actionDic.ContainsKey(eventName))
            return;

        _actionDic[eventName] -= handler;
    }

    public void Dispatch(string eventName)
    {
        if (!_actionDic.ContainsKey(eventName))
            return;

        _actionDic[eventName]?.Invoke();
    }

    //带参数的事件
    public void AddEventListener(string eventName, EventHandler handler)
    {
        if (!_actionsDic.ContainsKey(eventName))
        {
            _actionsDic.Add(eventName, handler);
        }
        else
        {
            _actionsDic[eventName] -= handler;
            _actionsDic[eventName] += handler;
        }
    }

    public void RemoveEventListener(string eventName, EventHandler handler)
    {
        if (!_actionsDic.ContainsKey(eventName))
            return;

        _actionsDic[eventName] -= handler;
    }

    public void Dispatch(string eventName, params object[] param)
    {
        if (!_actionsDic.ContainsKey(eventName))
            return;

        _actionsDic[eventName]?.Invoke(param);
    }
}