using System;
using System.Collections.Generic;
using ET;
namespace ET
{
    public class BuffComponentAwakeSystem : AwakeSystem<BuffComponent>
    {
        public override void Awake(BuffComponent self)
        {
            self.timerId = TimerComponent.Instance.NewRepeatedTimer(500, self.Update);
        }
    }
    public class BuffComponentDestroySystem : DestroySystem<BuffComponent>
    {
        public override void Destroy(BuffComponent self)
        {
            self.buffList.Clear();
            TimerComponent.Instance.Remove(ref self.timerId);
        }
    }
    public class BuffComponent : Entity
    {
        public long timerId;
        public readonly Dictionary<long, BuffStateInfo> buffList = new Dictionary<long, BuffStateInfo>();

        public void AddBuff(BuffStateInfo buff)
        {
            buffList[buff.Id] = buff;
            Game.EventSystem.Publish(new ET.EventType.RefreshBuff
            {
            	unitId=this.Id,
            }).Coroutine();
        }
        public void RemoveBuff(long Id)
        {
            if (!buffList.Remove(Id))
            {
                Log.Error($"can't remove buff where id is {Id}");
            }
            Game.EventSystem.Publish(new ET.EventType.RefreshBuff
            {
                unitId = this.Id,
            }).Coroutine();
        }

        internal void Update()
        {
            long now = TimeHelper.ServerNow();
            using var listComponent = ListComponent<long>.Create();
            listComponent.List.AddRange(buffList.Keys);
            foreach (long key in  listComponent.List)
            {
                BuffStateInfo buff = buffList[key];
                if (now > buff.leastTime)
                    RemoveBuff(buff.Id);
            }
        }
    }
}