using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Inventory : MonoBehaviour
{

    public static Inventory _instance;
    private TweenPosition tween;
    private int coinCount = 1000;//金币总数

    public List<InventoryItemGrid> itemGridList = new List<InventoryItemGrid>();
    public UILabel coinNumberLabel;
    public GameObject inventoryItem;

    void Awake()
    {
        _instance = this;
        tween = this.GetComponent<TweenPosition>();
    }


    private bool isShow = false;

    void Show()
    {
        isShow = true;
        tween.PlayForward();
    }

    void Hide()
    {
        isShow = false;
        tween.PlayReverse();
    }


    public void TransformState()
    {
        if (isShow == false)
        {
            Show();
        }
        else
        {
            Hide();
        }
    }

    public bool GetCoin(int count)
    {
        if (coinCount > count)
        {
            coinCount -= count;
            coinNumberLabel.text = coinCount.ToString();
            return true;
        }
        return false;
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.X))
        {
            GetId(Random.Range(2001, 2023));
        }
    }

    //拾取到id的物品，并添加到物品栏里面
    //处理拾取物品的功能
    public void GetId(int id,int count=1)
    {
        //第一查找在所有的物品中是否存在该物品
        //第二如果存在，让num+1
        //第三如果不存在，查找空方格，然后把新创建的InventoryItem放到这个空的方格里面

        InventoryItemGrid grid = null;
        foreach (InventoryItemGrid temp in itemGridList)
        {
            if (temp.id == id)
            {
                grid = temp;
                break;
            }
        }
        if (grid != null)//存在的情况
        {
            grid.PlusNumber(count);
        }
        else//不存在情况
        {
            foreach (InventoryItemGrid temp in itemGridList)
            {
                if (temp.id == 0)
                {
                    grid = temp; break;
                }
            }
            //第三如果不存在，查找空方格，然后把新创建的InventoryItem放到这个空的方格里面
            if (grid != null)
            {
                GameObject itemGo = NGUITools.AddChild(grid.gameObject, inventoryItem);
                itemGo.transform.localPosition = Vector3.zero;
                grid.SetId(id,count);
            }
        }
    }


}