using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
/// <summary>
/// 拖动对象脚本
/// </summary>
public class DragObject_Mon : MonoBehaviour, IDragHandler, IBeginDragHandler, IEndDragHandler
{
    /// <summary>
    /// 拖动根对象
    /// </summary>
    private ForgingMaterial_Mon forgingMaterial_Mon;
    /// <summary>
    /// 锻造栏组
    /// </summary>
    private List<GameObject> forgingbar_game;
    /// <summary>
    /// 顾客游戏对象
    /// </summary>
    private GameObject customerObject;
    /// <summary>
    /// 拖动放置状态
    /// </summary>
    private bool dragstate=false;
    /// <summary>
    /// 设置拖动根对象
    /// </summary>
    /// <param name="forgingMaterial_Mon_"></param>
    public void setforgingMaterial_Mon(ForgingMaterial_Mon forgingMaterial_Mon_)
    {
        this.forgingMaterial_Mon = forgingMaterial_Mon_;
    }
    public void LoadGame()
    {
        this.forgingbar_game = GameObject.FindGameObjectsWithTag("锻造栏").ToList();
        this.customerObject = GameObject.Find("顾客");

    }
    private void Start()
    {
        this.GetComponent<Image>().sprite = GameObject.FindGameObjectWithTag("铁匠玩家").GetComponent<BlacksmithPlayer_Mon>().FindArticleBoxsSprite(this.forgingMaterial_Mon.getId());

    }
    private void Awake()
    {
        this.LoadGame();
    }
    /// <summary>
    /// 更新位置
    /// </summary>
    private void Updateposition()
    {
        //判断是否放置
        if (this.dragstate)
        {
            return;
        }
        //拖动状态
        if (this.forgingMaterial_Mon.getdrastate())
        {
            this.transform.position=Input.mousePosition; 
        }
        else
        {
            //判断是否有可放置的格子判断是否是材料id
            if (this.FindClosestTransform() != null&& this.forgingMaterial_Mon.getId() < 10)
            {
                //Debug.Log("X" + Mathf.Abs(this.transform.position.x - this.FindClosestTransform().position.x)+ "Y" + Mathf.Abs(this.transform.position.y - this.FindClosestTransform().position.y));

                if (Mathf.Abs(this.transform.position.x - this.FindClosestTransform().position.x) <= 50f &&
                    Mathf.Abs(this.transform.position.y - this.FindClosestTransform().position.y) <= 50f)
                {
                    this.gameObject.transform.position=this.FindClosestTransform().position;
                    this.dragstate = true;
                    //拖拽放在锻造栏中则减少材料数量
                    GameObject.FindGameObjectWithTag("铁匠玩家").GetComponent<BlacksmithPlayer_Mon>().dragmaterial(this.forgingMaterial_Mon.getId(),1);
                    this.transform.SetParent(this.FindClosestTransform());
                    this.FindClosestTransform().GetComponent<ForgingBar_Mon>().setarticleid(this.forgingMaterial_Mon.getId());
                }
                else
                {
                    Destroy(this.gameObject);
                }
            }
            else if (this.customerObject!=null)
            {
                float x_ = Mathf.Abs(this.transform.position.x - this.customerObject.transform.position.x);
                float y_ = Mathf.Abs(this.transform.position.y - this.customerObject.transform.position.y);

               // Debug.Log("检测顾客位置");
               //Debug.Log("判断顾客距离x:"+x_+",y:"+y_);

                if (x_ <= 300f &&y_<= 300f)
               {
                    //拖拽放在锻造栏中则减少材料数量
                    GameObject.FindGameObjectWithTag("铁匠玩家").GetComponent<BlacksmithPlayer_Mon>().dragmaterial(this.forgingMaterial_Mon.getId(), 1);
                    GameObject.FindGameObjectWithTag("铁匠玩家").GetComponent<BlacksmithPlayer_Mon>().SubmitWeapons(this.forgingMaterial_Mon.getId());
                    Destroy(this.gameObject);
                }
                else
                {
                    Destroy(this.gameObject);
                }
            }
            else
            {

                    Destroy(this.gameObject);
            }
        }
    }
    private void LateUpdate()
    {
        this.Updateposition();
    }
    /// <summary>
    /// 返回距离最近的锻造栏
    /// </summary>
    /// <returns></returns>
    private Transform FindClosestTransform()
    {
        if (this.forgingbar_game == null || this.forgingbar_game.Count == 0)
        {
            return null; // 列表为空或未初始化
        }

        Transform closestObject = null;
        float minDistance = Mathf.Infinity;

        foreach (GameObject obj in this.forgingbar_game)
        {
            float distance = Vector3.Distance(obj.transform.position, this.transform.position);

            if (distance < minDistance)
            {
                minDistance = distance;
                closestObject = obj.transform;
            }
        }

        return closestObject;
    }

  



    public void OnBeginDrag(PointerEventData eventData)
    {
        Debug.Log("开始拖拽");
        GameObject.FindGameObjectWithTag("铁匠玩家").GetComponent<BlacksmithPlayer_Mon>().add_article(this.forgingMaterial_Mon.getId(),1);
        Destroy(this.gameObject);


    }

    public void OnDrag(PointerEventData eventData)
    {
    }

    public void OnEndDrag(PointerEventData eventData)
    {
    }
}