using System;
using System.Collections.Generic;
using XGame.Framework.Data;

namespace FL.Data
{
    /// <summary>
    /// 背包格子数据
    /// </summary>
    public class BagItemData
    {
        public int tableId;
        public int num;
    }

    public class ItemData : DataSingleton<ItemData>, IDisposable
    {
        private Dictionary<int, BagItemData> _bagItemDataDic = new Dictionary<int, BagItemData>(); // 背包中的道具数据

        /// <summary>
        /// 添加一个物品道具数据
        /// </summary>
        /// <param name="tableId"></param>
        /// <param name="count"></param>
        public void AddItemData(int tableId, int count)
        {
            if (_bagItemDataDic.ContainsKey(tableId))
            {
                _bagItemDataDic[tableId].num = count;
                if (_bagItemDataDic[tableId].num == 0)
                {
                    // 移除
                    _bagItemDataDic.Remove(tableId);
                }
                return;
            }
            _bagItemDataDic.Add(tableId, new BagItemData()
            {
                tableId = tableId,
                num = count,
            });
        }

        /// <summary>
        /// 拥有的道具数量
        /// </summary>
        /// <param name="tableId"></param>
        /// <returns></returns>
        public int GetItemNum(int tableId)
        {
            return _bagItemDataDic.ContainsKey(tableId) ? _bagItemDataDic[tableId].num : 0;  
        }
        
        /// <summary>
        /// 获取礼包|红包类型道具(道具页签)，常规道具类型(材料页签)用来在背包界面显示
        /// </summary>
        /// <returns></returns>
        public Dictionary<int, BagItemData> GetBackpackData()
        {
            return _bagItemDataDic;
        }

        void IDisposable.Dispose()
        {
            if (_bagItemDataDic?.Count > 0) 
            {
                _bagItemDataDic.Clear();
            }
        }
    }
}