using System.Collections.Generic;
using Common.Utility.CombatEvent;
using Core.Utility;
using Fort23.Core;
using GameLogic.Equipment;
using UnityEngine;
using Utility;

namespace GameLogic.Bag
{
    public class BagController : Singleton<BagController>
    {
        /// <summary>
        /// 玩家的所有道具（包含货币）
        /// </summary>
        // private List<ItemInfo> m_bagList = new List<ItemInfo>();
        
        private Dictionary<string, ItemInfo> m_allBagDic = new Dictionary<string, ItemInfo>();

        /// <summary>
        /// 外部访问用
        /// </summary>
        // public List<ItemInfo> BagList => m_bagList;


        public void Init()
        {
            foreach (var itemData in AccountFileInfo.Instance.playerData.ItemListData)
            {
                ItemInfo itemInfo = new ItemInfo(itemData);
                // m_bagList.Add(itemInfo);
                m_allBagDic.Add(itemInfo.guid, itemInfo);
                PlayerManager.Instance.eqController.Init(itemInfo);
            }
        }

        #region 快速添加和扣除常用道具

        /// <summary>
        /// 加金币
        /// </summary>
        /// <param name="count"></param>
        public void AddCoin(long count)
        {
            AddItem(GlobalParam.Item_Coin_ID, count);
        }

        /// <summary>
        /// 扣金币
        /// </summary>
        /// <param name="count"></param>
        public bool DeductCoin(long count)
        {
            return DeductItem(GlobalParam.Item_Coin_ID, count);
        }

        /// <summary>
        /// 加钻石
        /// </summary>
        /// <param name="count"></param>
        public void AddDiamond(long count)
        {
            AddItem(GlobalParam.Item_Diamond_ID, count);
        }

        /// <summary>
        /// 扣钻石
        /// </summary>
        /// <param name="count"></param>
        public bool DeductDiamond(long count)
        {
            return DeductItem(GlobalParam.Item_Diamond_ID, count);
        }

        /// <summary>
        /// 加英雄经验
        /// </summary>
        /// <param name="count"></param>
        public void AddHeroExp(long count)
        {
            AddItem(GlobalParam.Item_HeroExp_ID, count);
        }

        /// <summary>
        /// 扣英雄经验
        /// </summary>
        /// <param name="count"></param>
        public bool DuctHeroExp(long count)
        {
            return DeductItem(GlobalParam.Item_HeroExp_ID, count);
        }


        /// <summary>
        /// 道具是否足够
        /// </summary>
        /// <param name="itemId"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        public bool IsEnough(ItemInfo item, long count)
        {
            if (item.config.ID <= 0)
            {
                return false;
            }

            if (item.count >= count)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 道具是否足够
        /// </summary>
        /// <param name="itemId"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        public bool IsEnough(int itemId, long count)
        {
            ItemInfo item = GetItemInfo(itemId);
            return IsEnough(item, count);
        }

        #endregion

        public bool AddItem(int itemId, long count)
        {
            ItemInfo item = GetItemInfo(itemId);
            return AddItem(item, count);
        }

        /// <summary>
        /// 添加道具，最后都走这里
        /// </summary>
        /// <param name="item"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        private bool AddItem(ItemInfo item, long count)
        {
            if (item.config.ID <= 0 && string.IsNullOrEmpty(item.guid))
            {
                return false;
            }

            item.count += count;
            EventManager.Instance.Dispatch(CustomEventType.ItemUpdate, new ItemUpdateData() { ItemInfo = item });

            AccountFileInfo.Instance.SaveItemData(item);
            return true;
        }

        // private void AddEqToDic(ItemInfo eqItemInfo)
        // {
        //     if (eqItemInfo.eqInfo == null)
        //     {
        //         return;
        //     }
        //     
        //     int pro = eqItemInfo.eqInfo.basicEquipConfig.profession;
        //     
        //     if (m_EqDic.ContainsKey(pro))
        //     {
        //         m_EqDic[pro].Add(eqItemInfo);
        //     }
        //     else
        //     {
        //         m_EqDic.Add(pro, new List<ItemInfo>());
        //         m_EqDic[pro].Add(eqItemInfo);
        //     }
        // }

        /// <summary>
        /// 添加装备道具
        /// </summary>
        /// <param name="item"></param>
        public void AddEquipmentItem(ItemInfo item)
        {
            //掉落的数量
            long count = item.count.Value;

            // AddEqToDic(eqItemInfo);
            ItemInfo eqItemInfo = GetItemInfo(item);
            PlayerManager.Instance.eqController.AddEquipment(eqItemInfo);

            // m_bagEqList.Add(eqItemInfo);
            AddItem(eqItemInfo, count);
        }

        /// <summary>
        /// 一般是掉了（随机）一个东西（ItemInfo），然后来背包找，是否之前掉过一样的
        /// 一般用于有guid的item
        /// 比如掉了一个装备，装备有guid（组装的）
        /// 后续有其他类似装备这种，动态组织出来的有guid的物品，也可以走这里。宝石，词条等。
        /// </summary>
        /// <param name="itemInfo"></param>
        /// <returns></returns>
        public ItemInfo GetItemInfo(ItemInfo itemInfo)
        {
            
            string guidStr = string.IsNullOrEmpty(itemInfo.guid) ? itemInfo.itemID.ToString() : itemInfo.guid;

            if (m_allBagDic.TryGetValue(guidStr, out ItemInfo item))
            {
                return item;
            }

            //这里要设成0是因为，随机掉落的东西，第一次进背包时，先把数量去掉（否则会掉会多加1个）
            //该方法结束后，有统一加数量的代码，看后续代码。
            itemInfo.count.Value = 0l;
            m_allBagDic.Add(itemInfo.guid, itemInfo);

            return itemInfo;
        }

        /// <summary>
        /// 获取道具信息
        /// 不传guid，默认itemId就是guid
        /// </summary>
        /// <param name="itemId"></param>
        /// <param name="guid"></param>
        /// <returns></returns>
        public ItemInfo GetItemInfo(int itemId, string guid = "")
        {
            // for (int i = 0; i < m_bagList.Count; i++)
            // {
            //     ItemInfo item = m_bagList[i];
            //     if (item.itemID == itemId)
            //     {
            //         return item;
            //     }
            // }

            string guidStr = string.IsNullOrEmpty(guid) ? itemId.ToString() : guid;

            if (m_allBagDic.TryGetValue(guidStr, out ItemInfo item))
            {
                return item;
            }

            ItemInfo newItem = new ItemInfo(itemId);
            if (newItem.config.ID > 0)
            {
                // m_bagList.Add(newItem);
                m_allBagDic.Add(newItem.guid, newItem);
            }

            return newItem;
        }
        

        /// <summary>
        /// 扣除道具,最后都这里
        /// </summary>
        /// <param name="item"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        public bool DeductItem(ItemInfo item, long count)
        {
            if (item.config.ID <= 0)
            {
                return false;
            }

            if (item.count >= count)
            {
                item.count -= count;
            }
            else
            {
                return false;
            }

            EventManager.Instance.Dispatch(CustomEventType.ItemUpdate, new ItemUpdateData() { ItemInfo = item });
            AccountFileInfo.Instance.SaveItemData(item);
            return true;
        }

        public bool DeductItem(int itemId, long count)
        {
            ItemInfo item = GetItemInfo(itemId);
            return DeductItem(item, count);
        }

        public void DropHeroExp(Vector3 startPos_WorldPos, int showCount, int itemCount)
        {
            CombatItemShowEventData combatItemShowEventData = CombatItemShowEventData.Create();
            combatItemShowEventData.count = showCount;
            combatItemShowEventData.startPos_WorldPos = startPos_WorldPos;
            combatItemShowEventData.showName = "icon_res_upgrade_1";
            combatItemShowEventData.showType = CombatItemShowEventData.ShowType.HeroExp;
            combatItemShowEventData.addValue = itemCount;
            EventManager.Instance.Dispatch(CustomEventType.Combat_ItemShow, combatItemShowEventData);
        }

        public void DropLevelExp(Vector3 startPos_WorldPos, int showCount, int itemCount)
        {
            CombatItemShowEventData combatItemShowEventData = CombatItemShowEventData.Create();
            combatItemShowEventData.count = showCount;
            combatItemShowEventData.startPos_WorldPos = startPos_WorldPos;
            combatItemShowEventData.showName = "icon_Energy";
            combatItemShowEventData.showType = CombatItemShowEventData.ShowType.LevelExp;
            combatItemShowEventData.addValue = itemCount;
            EventManager.Instance.Dispatch(CustomEventType.Combat_ItemShow, combatItemShowEventData);
        }

        public void DropMonsterGold(Vector3 startPos_WorldPos, int showCount, int itemCount)
        {
            CombatItemShowEventData combatItemShowEventData = CombatItemShowEventData.Create();
            combatItemShowEventData.count = showCount;
            combatItemShowEventData.startPos_WorldPos = startPos_WorldPos;
            combatItemShowEventData.showName = "icon_Coin";
            combatItemShowEventData.showType = CombatItemShowEventData.ShowType.MonsterGold;
            combatItemShowEventData.addValue = itemCount;
            EventManager.Instance.Dispatch(CustomEventType.Combat_ItemShow, combatItemShowEventData);
        }
    }
}