using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;

namespace Managers
{
   public class BagManager
    {
        PlayerInfo Owner;
        public BagManager(PlayerInfo owner)
        {
            this.Owner = owner;
        }
        public void AddItem(int key, int value)
        {
            if (Owner == null) return;
            if (Owner.info.BagInfo.ContainsKey(key))
            {
                Owner.info.BagInfo[key] = Owner.info.BagInfo[key] + value;
            }
            else
            {
                Owner.info.BagInfo.Add(key, value);
            }

            Owner.OnUpdateBagInfo?.Invoke();
            Owner.OnUpdateMainUI?.Invoke();
        }
        public void UserItem(int id, int num)
        {
            if (Owner == null) return;
            if (Owner.info.BagInfo.ContainsKey(id))
            {
                foreach (var item in Date.Instance.ItemDate)//测试使用道具
                {
                    if (item.Id == id && item.type == ItemClass.User)
                    {
                        if(Remove(item,num))
                        {
                            Debug.Log("使用道具");
                            item.UseItem(item);
                        }
                    }
                    if(item.Id == id && item.type == ItemClass.Up)
                    {
                        Remove(item, num);
                    }
                }
            }
            else
            {
                Debug.LogError("道具缺失");
                return;
            }
        }
        private bool Remove(Item item,int num)
        {
            if (Owner.info.BagInfo[item.Id] < num)
            {
                Debug.LogFormat("UserItem [{0}] count Insufficient", item.ItemName);
                return false;
            }
            Owner.info.BagInfo[item.Id] = Owner.info.BagInfo[item.Id] - num;//背包减少

            if (Owner.info.BagInfo[item.Id] <= 0)
            {
                Owner.info.BagInfo.Remove(item.Id);
            }

            Owner.OnUpdateBagInfo?.Invoke();
            Owner.OnUpdateMainUI?.Invoke();

            Owner.WriteBagInfo();

            //保存数据
            //Debug.Log(Owner.info.BagValue[item.Id]);
            
            SaveSystem.SaveDate(Owner.info.DatePath, Owner.info);

            return true;
        }
    }
}