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

/// <summary>
/// 图片展示点
/// </summary>
public class ImageShow : BaseShow
{
    /// <summary>
    /// 显示的材质
    /// </summary>
    Material matShow;

    /// <summary>
    /// 当前图片索引（针对多图模式）
    /// </summary>
    int currentIndex;

    Texture textureDefault;

    void Start()
    {
        Renderer renderer = GetComponent<Renderer>();
        if (renderer == null && !string.IsNullOrEmpty(info.ParentID))
        {
            GameObject obj = GameObject.Find(info.ParentID);
            if (obj != null)
            {
                renderer = obj.GetComponent<Renderer>();
            }
        }
        
        if ( renderer != null && info.PlayOnObject)
        { 
            // playOnObject = true;
            matShow = renderer.material;
            // matShow = renderer.sharedMaterial; 
            textureDefault = matShow.mainTexture;
            LoadImage();
        }

        if (info.Clickable)
        {
            // 添加碰撞器以允许单击
            if (GetComponent<Collider>() == null)
            {
                gameObject.AddComponent<MeshCollider>();
            }
        }

        currentIndex = info.Index;

        // CanClickStatusChanged += ImageShow_CanClickStatusChanged;
    }

    private void ImageShow_CanClickStatusChanged()
    {
        if (info.PlayOnObject)
        {
            LoadImage();
        }
    }

    string imgName = null;

    /// <summary>
    /// 加载图片
    /// </summary>
    public void LoadImage()
    {
        if (info.IsType(DataType.Image))
        {
            imgName = info.ImageName;
            info.CurrentURL = info.URL;
        }
        else    // if (info.Type == DataType.MultiImage)  // 多图模式
        {
            if (info.DataDetails.Length < 0)
            {
                Debug.Log(string.Format("ObjectID:{0}，DataDetails中没有数据", info.ObjectID));
                return;
            }

            if (info.DisplayMode == DisplayMode.RandomPics)           // 随机显示多图
            {
                currentIndex = Random.Range(0, info.DataDetails.Length);
            }

            // 设置显示的图片和超链接
            imgName = info.DataDetails[currentIndex];
            info.ImageName = imgName;
            if (info.Clickable)
            {
                if (currentIndex < info.UrlDetails.Length)
                {
                    info.CurrentURL = info.UrlDetails[currentIndex];
                    info.VideoName = info.CurrentURL;
                }
                else
                {
                    info.CurrentURL = "";
                    info.VideoName = info.CurrentURL;
                }

                if (currentIndex < info.TitleDetails.Length)
                {
                    info.Title = info.TitleDetails[currentIndex];
                }
            }

            if (info.DisplayMode == DisplayMode.MultiPics)  // 顺序显示多图
            {
                currentIndex++;
                currentIndex = currentIndex % info.DataDetails.Length;
            }
        }

        if (CanClick)
        {
            if (gameObject.activeInHierarchy)
            {
                StartCoroutine(
                    ImageLoader<Material>.LoadImage(CommonData.HighImageFullPath + imgName, matShow)
                    );
            }

            // 如果是多图则在设置的显示速度后再加载图片
            if (info.IsType(DataType.MultiImage) && info.AutoPlay)
            {
                Invoke("LoadImage", info.DisplaySpeed);
            }
        }
        else
        {
            matShow.mainTexture = textureDefault;
            if (matShow.IsKeywordEnabled("_EMISSION"))
            {
                matShow.SetTexture("_EmissionMap", textureDefault);
            }
            ImageLoader<Material>.RemoveImage(CommonData.HighImageFullPath + imgName);
        }
    }

    /// <summary>
    /// 鼠标单击事件
    /// </summary>
    public override void OnClick()
    {
        if (BaseController.CanControl)
        {
            Invoke("ShowImageEx", 0.01f);
        }
    }

    void ShowImageEx()
    {
        // 判断是否可以点击
        //if (!BaseController.IsJoyStickOnControl
        //    && !BaseController.IsUIClicked
        //    && BaseController.CanControl
        //    && BaseController.IsMouseOnControl
        //    && CanClick)
        if (BaseController.CanControl && CanClick)
        {
            if (info.PlayOnObject)
            {
                if (!string.IsNullOrEmpty(info.CurrentURL))
                {
                    // Debug.Log(info.CurrentURL);
                    // H5Controller.OpenUrl(url);
                }
            }
            else if ((info.IsType(DataType.Image) && !string.IsNullOrEmpty(info.ImageName)) || info.IsType(DataType.MultiImage))
            {
                ImagePlayerEx.Instance.info = info;
                ImagePlayerEx.Instance.ShowImage(info.Index);
            }
        }
    }
}