using System.Collections.Generic;
using cfg.BuffCfg;
using Framework;
namespace Gameplay.Buff
{
    public class GroupBuffManager
    {

        private static GroupBuffManager _instance;
        public static GroupBuffManager instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new GroupBuffManager();
                }
                return _instance;
            }
        }

        private Dictionary<int, GroupBuffCache> _groupMap;

        private GroupBuffManager()
        {
            _groupMap = new Dictionary<int, GroupBuffCache>();
            var allBuffs = TableManager.Instance.Tables.BuffConfig.DataList;
            foreach (var buff in allBuffs)
            {
                var groupId = buff.GroupId;
                if (groupId == 0)
                {
                    continue;
                }
                if (_groupMap.TryGetValue(groupId, out var cache))
                {
                    cache.AddBuff(buff);
                }
                else
                {
                    cache = new GroupBuffCache();
                    cache.groupId = groupId;
                    cache.AddBuff(buff);
                    _groupMap.Add(groupId, cache);
                }
            }
        }

        public DataBuff SearchBuff(int groupId,
            int level)
        {
            if (_groupMap.TryGetValue(groupId, out var cache))
            {
                return cache.SearchBuff(level);
            }
            return null;
        }

        /// <summary>
        /// 清空数据
        /// 理论上不需要调用
        /// </summary>
        public void Dispose()
        {
            _groupMap.Clear();
            _instance = null;
        }
    }
}