using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TableConfig;

namespace Snxxz.UI
{
    public class KnapsackTimeCDMgr : SingletonMonobehaviour<KnapsackTimeCDMgr>
    {
        private List<ItemCDCool> itemCDList = new List<ItemCDCool>();
        public event Action<string> RefresCoolTimeAct;
        public event Action<string> RefreshItemOverdueTimeAct;
        public event Action<string> RefreshItemOverdueAct;
        int secondBuf = -1;
        int minuteBuf = -1;
        private void LateUpdate()
        {
            CheckItemCoolTime(TimeRefreshType.Frame);
            var minute = DateTime.Now.Minute;
            if (minute != minuteBuf)
            {
                CheckItemCoolTime(TimeRefreshType.Minute);
                minuteBuf = minute;
            }

        }

        private void CheckItemCoolTime(TimeRefreshType type)
        {
            for (int i = itemCDList.Count - 1; i > -1; i--)
            {
                double remianCD = itemCDList[i].GetRemainTime();
                switch (type)
                {
                    case TimeRefreshType.Frame:
                        if (RefresCoolTimeAct != null)
                        {
                            RefresCoolTimeAct(itemCDList[i].guid);
                        }
                       
                        break;
                    case TimeRefreshType.Minute:
                        if(RefreshItemOverdueTimeAct != null)
                        {
                            RefreshItemOverdueTimeAct(itemCDList[i].guid);
                        }
                        break;
                }

                if (remianCD <= 0)
                {
                    string guid = itemCDList[i].guid;
                    itemCDList.RemoveAt(i);
                    if (RefreshItemOverdueAct != null)
                    {
                        RefreshItemOverdueAct(guid);
                    }
                }
            }

        }

        public void Register(string guid,int itemId,double cdTime)
        {
            int index;
            if (ContainsItemCD(guid,out index))
            {
                itemCDList[index].SetTime(cdTime);
            }
            else
            {
                ItemCDCool cool = new ItemCDCool(guid,itemId,cdTime);
                itemCDList.Add(cool);
            }
        }

        public void UnRegister(string guid)
        {
            int index;
            if (ContainsItemCD(guid, out index))
            {
                itemCDList.RemoveAt(index);
            }
        }

        public ItemCDCool GetItemCoolById(string guid)
        {
            int index;
            if (ContainsItemCD(guid, out index))
            {
                return itemCDList[index];
            }
            return null;
        }

        List<ItemCDCool> typeCoollist = new List<ItemCDCool>();
        public List<ItemCDCool> GetItemCoolByCDType(int type,out bool isCool)
        {
           typeCoollist.Clear();
           isCool = false;
           for (int i = 0; i < itemCDList.Count; i++)
            {
                ItemConfig itemConfig = Config.Instance.Get<ItemConfig>(itemCDList[i].itemId);
                if(itemConfig != null 
                    && itemConfig.CDType == type
                    && itemCDList[i].GetRemainTime() > 0)
                {
                    typeCoollist.Add(itemCDList[i]);
                    isCool = true;
                }
            }
            return typeCoollist;
        }

        private bool ContainsItemCD(string guid, out int index)
        {
            index = 0;
            for (int i = 0; i < itemCDList.Count; i++)
            {
                if (itemCDList[i].guid == guid)
                {
                    index = i;
                    return true;
                }
            }
            return false;
        }

        public enum TimeRefreshType
        {
            Frame, //每帧
            Second, //每秒
            Minute //每分
        }
    }

    public class ItemCDCool
    {
        public string guid;
        public int itemId;
        public double totalTime;
        public DateTime startTime { get; private set; }
        public ItemCDCool(string guid,int itemId,double totalTime)
        {
            this.guid = guid;
            this.itemId = itemId;
            this.totalTime = totalTime;
            this.startTime = DateTime.Now;
        }

        public void SetTime(double totalTime)
        {
            this.totalTime = totalTime;
            this.startTime = DateTime.Now;
        }

        public double GetRemainTime()
        {
            double remainTime = totalTime - (DateTime.Now - startTime).TotalSeconds;
            if(remainTime <= 0)
            {
                remainTime = 0;
            }
            return remainTime;
        }
    }

}