using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using AX.InputSystem;
using System;
using AX.MessageSystem;

/// <summary>
/// 鼠标指针管理类【单利模式】（游戏中，不同状态对于不同指针）
/// </summary>
public class CursorManager : MonoBehaviour
{
    /// <summary>
    /// 私有静态成员
    /// </summary>
    private static CursorManager instance;

    private GameObject cursor;
    private GameObject replayCursor;
    private Transform cursorParent;

    private DateTime t1;
    private DateTime t2;
    /// <summary>
    /// 外部访问，公共静态成员（单例）
    /// </summary>
    public static CursorManager GetInstance
    {
        get { return instance; }
    }

    void Start()
    {
        //赋值单例
        instance = this;

        //  Cursor.visible = false;

        cursorParent = GameObject.Find("Canvas").transform;

        //   cursor = Instantiate(cursorNormal, cursorParent) as GameObject;
        //添加层控制
        //Canvas c;
        //if (!cursor.GetComponent<Canvas>())
        //{
        //    c = cursor.AddComponent<Canvas>();
        //}
        //else
        //{
        //    c = cursor.GetComponent<Canvas>();
        //}
        //c.overrideSorting = true;
        //c.sortingOrder = 30002;
        //if (GameSettings.othersSettings.isReplayMode)
        //{
        //    cursor.SetActive(false);
        //}

    }

    private void OnEnable()
    {
        MessageDispatcher.AddListener("DELETE_COMMAND", SetNormalType);
        MessageDispatcher.AddListener("CANCEL_SELECTED_COMMAND", SetNormalType);

    }

    private void OnDisable()
    {
        MessageDispatcher.RemoveListener("DELETE_COMMAND", SetNormalType);
        MessageDispatcher.RemoveListener("CANCEL_SELECTED_COMMAND", SetNormalType);
    }
    private void OnDestroy()
    {
        Cursor.visible = true;
    }
    private void Update()
    {
        //SetNormal();
        //Cursor.visible = false;

        //if (GameSettings.othersSettings.isReplayMode)
        //{
        //    if (!GameSettings.othersSettings.isReplayPause && !GameSettings.othersSettings.isReplayOver)
        //    {
        //        if (replayCursor)
        //        {
        //            replayCursor.SetActive(true);
        //        }

        //        if (!cursor.activeSelf)
        //        {
        //            if (Input.GetAxis("Mouse X") != 0 || Input.GetAxis("Mouse Y") != 0)
        //            {
        //                cursor.SetActive(true);

        //                t1 = DateTime.Now;
        //            }
        //        }
        //        else
        //        {
        //            t2 = DateTime.Now;
        //            if ((t2 - t1) >= new TimeSpan(0, 0, 0, 3, 0))
        //            {
        //                if (Input.GetAxis("Mouse X") == 0 && Input.GetAxis("Mouse Y") == 0)
        //                {
        //                    cursor.SetActive(false);
        //                }
        //            }
        //        }
        //    }
        //    else
        //    {
        //        if (replayCursor)
        //        {
        //            replayCursor.SetActive(false);
        //        }

        //        if (cursor)
        //        {
        //            cursor.SetActive(true);
        //        }
        //    }
        //}
    }

    /// <summary>
    /// 正常状态指针图
    /// </summary>
    public GameObject cursorNormal;

    public Sprite cursorNormalSprite;

    /// <summary>
    /// 单击状态指针
    /// </summary>
    public Sprite cursorClickSprite;
    /// <summary>
    /// 对话状态指针图
    /// </summary>
    //public Texture2D cursorNpcTalk;

    /// <summary>
    /// 攻击状态指针图
    /// </summary>
    //public Texture2D cursorAttack;

    /// <summary>
    /// 锁定状态指针图
    /// </summary>
    //public Texture2D cursorLockTarget;

    /// <summary>
    /// 拾捡物品状态指针图
    /// </summary>
    //public Texture2D cursorPick;

    /// <summary>
    /// 指针默认点击热点位置（指针左上角）
    /// </summary>
    //private Vector2 hotspot = Vector2.zero;

    /// <summary>
    /// 指针类型（Auto：自动选择）
    /// </summary>
    //private CursorMode mode = CursorMode.Auto;


    /// <summary>
    /// 设置默认指针显示图
    /// </summary>
    public void SetNormal()
    {
        Vector3 pos;
        if (RectTransformUtility.ScreenPointToWorldPointInRectangle((RectTransform)cursorParent, Input.mousePosition, cursorParent.gameObject.GetComponent<Canvas>().worldCamera, out pos))
        {
            cursor.GetComponent<RectTransform>().position = pos;
        }
        //光标始终悬浮在UI上
        cursor.transform.SetAsLastSibling();
    }
    public void SetNormalType()
    {
        cursor.GetComponent<Image>().sprite = cursorNormalSprite;
    }

    private void SetNormalType(IMessage msg)
    {

        //SetNormalType();

    }
    /// <summary>
    /// 点击UI时的指针图
    /// </summary>
    public void SetClick(CmdArgs arg)
    {
        //if (!replayCursor)
        //{
        //    replayCursor = Instantiate(cursorNormal, cursorParent) as GameObject;
        //    Canvas c;
        //    if (!replayCursor.GetComponent<Canvas>())
        //    {
        //        c = replayCursor.AddComponent<Canvas>();
        //    }
        //    else
        //    {
        //        c = replayCursor.GetComponent<Canvas>();
        //    }
        //    c.overrideSorting = true;
        //    c.sortingOrder = 30001;
        //    replayCursor.GetComponent<Image>().sprite = cursorClickSprite;
        //    Vector3 pos;
        //    if (RectTransformUtility.ScreenPointToWorldPointInRectangle((RectTransform)cursorParent, arg.currentCursorPos, cursorParent.gameObject.GetComponent<Canvas>().worldCamera, out pos))
        //    {
        //        replayCursor.GetComponent<RectTransform>().position = pos;
        //    }
        //}
        //else
        //{
        //    replayCursor.GetComponent<Image>().sprite = cursorClickSprite;
        //    Vector3 pos;
        //    if (RectTransformUtility.ScreenPointToWorldPointInRectangle((RectTransform)cursorParent, arg.currentCursorPos, cursorParent.gameObject.GetComponent<Canvas>().worldCamera, out pos))
        //    {
        //        replayCursor.GetComponent<RectTransform>().position = pos;
        //    }
        //}
    }
}