using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace ProjectBase.Event
{
    public class EventHandlerItem
    {
        public string eventKey;

        public List<EventInfo> eventInfos = new List<EventInfo>();

        public EventHandler action;

        public EventHandlerItem(string key, EventHandler handler, int time)
        {
            eventKey = key;
            eventInfos.Add(new EventInfo(handler, time));
            action += handler;
        }

        /// <summary>
        /// 添加事件
        /// </summary>
        /// <param name="handler">事件</param>
        /// <param name="time">次数</param>
        public void AddEventHandler(EventHandler handler, int time)
        {
            eventInfos.Add(new EventInfo(handler, time));
            action += handler;
        }

        /// <summary>
        /// 触发事件
        /// </summary>
        /// <param name="info">参数</param>
        public void EventHandlerTrigger(BaseEventData eventData)
        {
            action?.Invoke(eventData);

            for (int i = eventInfos.Count - 1; i >= 0; i--)
            {
                if (eventInfos[i].time == EventCenter.Infinity)
                {
                    continue;
                }

                eventInfos[i].time--;

                if (eventInfos[i].time <= 0)
                {
                    eventInfos.Remove(eventInfos[i]);
                    action -= eventInfos[i].action;
                }
            }
        }

        public void RemoveEventHandler(EventHandler handler)
        {
            for (int i = eventInfos.Count - 1; i >= 0; i--)
            {
                if (eventInfos[i].action == handler)
                {
                    eventInfos.Remove(eventInfos[i]);
                    action -= handler;
                }
            }
        }
    }
}