using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;
using UnityEngine.UI;
using YLBattle;

/// <summary>
/// 面板管理器
/// </summary>
public class PanelHelper : MonoSingleton<PanelHelper>
{
    /// <summary>
    /// WindowsObjDict 列表
    /// </summary>
    private Dictionary<string, GameObject> WindowsObjDict = new Dictionary<string, GameObject>();

    /// <summary>
    /// 正在加载的界面
    /// </summary>
    private List<string> loadingUIs = new List<string>();

    /// <summary>
    /// 当前 最后打开的界面名称
    /// </summary>
    private string nowPanelName;

    /// <summary>
    /// 显示面板
    /// </summary>
    /// <param name="__name">面板名称</param>
    /// <param name="acCallBack">成功的回调</param>
    /// <param name="param">参数</param>
    /// <param name="sortingLayerOrder">显示序列</param>
    /// <param name="tran">父级</param>
    /// <param name="cameraPath">相机路径</param>
    public void ShowPanel(string __name, Action<GameObject> acCallBack = null, object param = null, int sortingLayerOrder = -1, Transform tran = null, string cameraPath = "")
    {
        //Debug.Log("ShowPanel :" + _name);
        // UI_DBControlWindow.Instance().ResetCurrentType(EDBControlWindowType.Others);
        nowPanelName = __name;
        if (WindowsObjDict.ContainsKey(__name))
        {
            if (WindowsObjDict[__name] == null)
            {
                WindowsObjDict.Remove(__name);
            }
            else
            {
                SetSortingLayerOrder(WindowsObjDict[__name], sortingLayerOrder);

                // 设置参数
                GameBehavior behavior = WindowsObjDict[__name].GetComponent<GameBehavior>();
                if (behavior != null)
                {
                    behavior.SetParameter(param);
                    behavior.enterAc = acCallBack;
                }

                if (WindowsObjDict[__name].active)
                {
                    if (behavior != null)
                    {
                        behavior.BaseRefresh();
                    }
                }
                else
                {
                    WindowsObjDict[__name].SetActive(true);
                }

                if (acCallBack != null)
                {
                    acCallBack(WindowsObjDict[__name]);
                }

                return;
            }
        }

        // 改界面正在加载中,中断
        if (loadingUIs.Contains(__name))
        {
            return;
        }
        else
        {
            loadingUIs.Add(__name);
        }

        ResourceHelper.Instance.LoadAssetBundle(__name, (AssetBundle ab) =>
        {
            loadingUIs.Remove(__name);

            if (ab == null)
            {
                Debug.LogError("loaderror:" + __name);
                return;
            }

            GameObject abGo = ab.LoadAsset<GameObject>(__name);

            GameObject obj = (GameObject)Instantiate(abGo);
            obj.name = nowPanelName;
            obj.AddComponent<FixUIShader>();
            obj.SetActive(false);
            SetFont(obj);       // 设置字体
            SetCamera(obj, cameraPath);     // 设置摄像机
            SetLabelContentByLanaguage(obj); // 
            SetSortingLayerOrder(obj, sortingLayerOrder);

            if (obj != null)
            {
                if (tran != null)
                {
                    obj.transform.SetParent(tran);
                    obj.transform.localPosition = Vector3.zero;
                    obj.transform.localScale = Vector3.one;
                }

                // 设置 localScale 为 1 ，不然在编辑器的全屏模式下，scroll view 的滚动条会自己移动一段距离
                obj.transform.localScale = Vector3.one;

                // 绑定脚本
                if (Application.platform == RuntimePlatform.Android)
                {
                    AssemblyHelper.Instance.BindScript(__name, obj);
                }
                else
                {
                    Type tp = Type.GetType(__name);
                    obj.AddComponent(tp);
                }

                // 设置参数
                GameBehavior behavior = obj.GetComponent<GameBehavior>();

                if (behavior != null)
                {
                    behavior.SetParameter(param);
                    behavior.enterAc = acCallBack;
                }

                if (obj.active)
                {
                    behavior.BaseRefresh();
                }
                else
                {
                    obj.SetActive(true);

                    // 返回所有使用此界面的回调
                    if (acCallBack != null)
                    {
                        acCallBack(obj);
                    }
                }

                WindowsObjDict.Add(__name, obj);
            }
            else
            {
                Debug.LogWarning("读取界面失败 " + __name);
            }
        });
    }

    internal void ShowPanel(string functionPanel, object p1, NpcInfoVo npcVo, object p2)
    {
        throw new NotImplementedException();
    }

    /// <summary>
    /// 显示面板
    /// </summary>
    /// <param name="__name">面板名称</param>
    /// <param name="acCallBack">成功的回调</param>
    /// <param name="param">参数</param>
    /// <param name="sortingLayerOrder">显示序列</param>
    /// <param name="tran">父级</param>
    /// <param name="cameraPath">相机路径</param>
    public void LoadPanel(string __name, Transform tran = null, string cameraPath = "")
    {
        if (WindowsObjDict.ContainsKey(__name))
        {
            if (WindowsObjDict[__name] == null)
            {
                WindowsObjDict.Remove(__name);
            }
        }

        ResourceHelper.Instance.LoadAssetBundle(__name, (AssetBundle ab) =>
        {
            if (ab == null)
            {
                Debug.LogError("loaderror:" + __name);
                return;
            }

            GameObject obj = (GameObject)Instantiate(ab.LoadAsset(__name));
            obj.AddComponent<FixUIShader>();
            obj.SetActive(false);
            SetFont(obj);       // 设置字体
            SetCamera(obj, cameraPath);     // 设置摄像机
            SetLabelContentByLanaguage(obj); // 

            if (obj != null)
            {
                if (tran != null)
                {
                    obj.transform.SetParent(tran);
                    obj.transform.localPosition = Vector3.zero;
                    obj.transform.localScale = Vector3.one;
                }

                // 设置 localScale 为 1 ，不然在编辑器的全屏模式下，scroll view 的滚动条会自己移动一段距离
                obj.transform.localScale = Vector3.one;

                // 绑定脚本
                if (Application.platform == RuntimePlatform.Android)
                {
                    AssemblyHelper.Instance.BindScript(__name, obj);
                }
                else
                {
                    Type tp = Type.GetType(__name);
                    obj.AddComponent(tp);
                }
                WindowsObjDict.Add(__name, obj);
            }
            else
            {
                Debug.LogWarning("读取界面失败 " + __name);
            }
        });
    }

    public string GetNowPanelName()
    {
        return this.nowPanelName;
    }
    /// <summary>
    /// 关闭指定panel
    /// </summary>
    /// <param name="_name">panel名称</param>
    public void ClosePanel(string _name, bool unload = false)
    {
        if (unload)
        {
            UnloadPanel(_name);

            return;
        }

        if (WindowsObjDict.ContainsKey(_name))
        {
            if (WindowsObjDict[_name] != null)
            {
                WindowsObjDict[_name].SetActive(false);
            }
        }
    }

    /// <summary>
    /// 关闭所有panel
    /// </summary>
    public void CloseAllPanel(string excludeName = "")
    {
        List<string> KeyList = new List<string>(WindowsObjDict.Keys);
        for (int i = 0; i < KeyList.Count; i++)
        {
            if (excludeName != KeyList[i])
            {
                ClosePanel(KeyList[i]);
            }
        }
    }

    /// <summary>
    /// 卸载界面资源
    /// </summary>
    /// <param name="_name">界面名称</param>
    public void UnloadPanel(string _name)
    {
        ResourceHelper.Instance.UnloadAssetBundle(_name);

        if (WindowsObjDict.ContainsKey(_name))
        {
            Destroy(WindowsObjDict[_name]);
            WindowsObjDict.Remove(_name);
        }
    }

    /// <summary>
    /// 卸载所有加载的界面资源
    /// </summary>
    public void UnloadAllPanel()
    {
        List<string> KeyList = new List<string>(WindowsObjDict.Keys);
        for (int i = 0; i < KeyList.Count; i++)
        {
            UnloadPanel(KeyList[i]);
        }

        Resources.UnloadUnusedAssets();
    }

    /// <summary>
    /// 设置 UI 的字体
    /// </summary>
    /// <param name="uiObj"> UI对象 </param>
    public void SetFont(GameObject uiObj)
    {
        if (null == uiObj)
        {
            Debug.LogError("PanelHelper 设置字体，UI 为空，中断");
            return;
        }

        // 获取所有的 Text
        Text[] allText = uiObj.GetComponentsInChildren<Text>(true);

        // 设置字体
        for (int i = 0; i < allText.Length; i++)
        {
            if (allText[i].font == null)
            {
                allText[i].font = FontManager.Instance().CurFont;
            }
            else if (allText[i].font.fontNames.Contains("Arial"))
            {
                allText[i].font = FontManager.Instance().CurFont;
            }
            else
            {
                Debug.Log(uiObj + "界面中" + allText[i].name + "为特殊字体,无需更换!");
            }
            ////allText[i].fontStyle = FontStyle.Normal;
        }
    }

    /// <summary>
    /// 根据对应的语言，刷新UI上显示的文字
    /// </summary>
    /// <param name="uiObj"></param>
    public void SetLabelContentByLanaguage(GameObject uiObj)
    {
        Text[] allLabels = uiObj.transform.GetComponentsInChildren<Text>(true);
        string prefix = uiObj.name.Replace("(Clone)", "");
        foreach (Text text in allLabels)
        {
            string key = prefix + "_" + text.name;
            if (GameCfg.CheckIsExistKey(key))
            {
                text.text = GameCfg.GetStr(key);
            }
        }
    }

    /// <summary>
    /// 
    /// </summary>
    public void SetSortingLayerOrder(GameObject uiObj, int sortingLayerOrder = -1)
    {
        if (null == uiObj)
        {
            Debug.LogError("PanelHelper 设置canvas的order in Layer，UI 为空，中断");
            return;
        }

        Canvas canvas = uiObj.GetComponent<Canvas>();
        if (null == canvas)
        {
            Debug.LogError("PanelHelper 设置摄像机，获取画布组件失败，中断");
            return;
        }

        if (sortingLayerOrder > 0)
        {
            canvas.sortingOrder = sortingLayerOrder;
        }
    }

    /// <summary>
    /// 设置 UI 的摄像机
    /// </summary>
    /// <param name="uiObj"> UI对象 </param>
    /// <param name="camPath">指定相机位置</param>
    public void SetCamera(GameObject uiObj, string camPath)
    {
        if (null == uiObj)
        {
            Debug.LogWarning("PanelHelper 设置摄像机，UI 为空，中断");
            return;
        }

        GameObject cameraObj = null;
        if (string.IsNullOrEmpty(camPath) == false)
        {
            cameraObj = GameObject.Find(camPath);
        }
        else
        {
            cameraObj = GameObject.Find("UICamera");
        }
        if (null == cameraObj)
        {
            Debug.LogWarning("PanelHelper 设置摄像机，找不到摄像机，中断");
            return;
        }

        Canvas canvas = uiObj.GetComponent<Canvas>();
        if (null == canvas)
        {
            Debug.LogWarning("PanelHelper 设置摄像机，获取画布组件失败，中断");
            return;
        }

        canvas.worldCamera = cameraObj.GetComponent<Camera>();
    }

    /// <summary>
    /// 获取某个界面的显示状态
    /// </summary>
    /// <param name="panel_name"></param>
    /// <returns></returns>
    public bool GetPanelShowState(string _name)
    {
        if (WindowsObjDict.ContainsKey(_name))
        {
            return WindowsObjDict[_name].activeSelf;
        }
        return false;
    }

    #region Guide

    /// <summary>
    /// 是否存在某个物体
    /// </summary>
    /// <param name="ui"></param>
    /// <param name="path"></param>
    /// <param name="obj_name"></param>
    /// <returns></returns>
    public GameObject CheckOjbIsExist(string ui, string path, string obj_name = "")
    {
        if (WindowsObjDict.ContainsKey(ui))
        {
            if (null != WindowsObjDict[ui])
            {
                Transform t = WindowsObjDict[ui].transform.Find(path);
                if (t != null)
                {
                    if (obj_name.Length <= 0)
                    {
                        return t.gameObject;
                    }

                    Transform novArrow = t.Find(obj_name);
                    if (novArrow != null)
                    {
                        return novArrow.gameObject;
                    }
                }
            }
        }
        return null;
    }

    /// <summary>
    /// 卸载指定控件
    /// </summary>
    /// <param name="ui"></param>
    /// <param name="path"></param>
    /// <param name="obj_name"></param>
    public void UnInstallObjToUI(string ui, string path, string obj_name)
    {
        if (WindowsObjDict.ContainsKey(ui))
        {
            if (null != WindowsObjDict[ui])
            {
                Transform t = WindowsObjDict[ui].transform.Find(path);
                Transform novArrow = t.Find(obj_name);
                if (novArrow != null)
                {
                    MonoBehaviour.DestroyObject(novArrow.gameObject);
                }
            }
        }
    }

    /// <summary>
    /// 给 UI 添加一个游戏物体
    /// </summary>
    /// <param name="go"> 游戏物体 </param>
    /// <param name="ui"> UI 的名称 </param>
    /// <param name="path"> 路径 </param>
    /// <param name="offset"> 偏移量 </param>
    /// <param name="ac_Find"> 回调，返回是否查找成功 </param>
    public void AttachObjToUI(GameObject go, string ui, string path, Vector3 offset, Action<GameObject> ac_Find, string cameraPath = "", bool isAbsolute = false)
    {
        Transform t = null;

        if (WindowsObjDict.ContainsKey(ui))
        {
            if (null != WindowsObjDict[ui])
            {
                WindowsObjDict[ui].SetActive(true);
                t = WindowsObjDict[ui].transform.Find(path);
            }
        }
        else
        {
            GameObject Trg = GameObject.Find(ui + "/" + path);
            if (Trg != null)
            {
                t = Trg.transform;
            }
        }

        if (null != t)
        {
            if (go != null)
            {
                go.transform.SetParent(t, false);
                go.transform.localPosition = offset;
            }

            // 新手引导 节点  该节点为  绝对事件 （只该指向UI 受事件响应）
            if (isAbsolute)
            {
                UI_GuideMarkWindow.Instance().OpenCover();
            }
            Canvas canvas = t.gameObject.GetComponent<Canvas>();
            if (canvas == null)
            {
                canvas = t.gameObject.AddComponent<Canvas>();
            }
            canvas.overrideSorting = true;
            canvas.sortingLayerID = 1;
            GraphicRaycaster GR = t.gameObject.GetComponent<GraphicRaycaster>();
            if (GR == null)
            {
                GR = t.gameObject.AddComponent<GraphicRaycaster>();
            }
            GR.enabled = true;
            t.gameObject.AddComponent<UI_GuideDelayCanvas>();
            canvas.sortingOrder = 100;
            // 查找成功
            if (null != ac_Find)
            {
                ac_Find(t.gameObject);
            }
            return;
        }
        //else
        //{
        //    Debug.LogError("查找失败..." + path);
        //    if (go != null)
        //    {
        //        go.transform.SetParent(WindowsObjDict[ui].transform, false);
        //    }
        //    // 查找失败
        //    if (null != ac_Find)
        //    {
        //        ac_Find(null);
        //    }
        //}


        // 查找失败
        if (null != ac_Find)
        {
            ac_Find(null);
        }

        #region old
        //else
        //{
        //    PanelHelper.Instance.ShowPanel(ui, null, null, false, true, (GameObject uiObj) =>
        //    {

        //        Transform t = WindowsObjDict[ui].transform.Find(path);
        //        if (null != t)
        //        {
        //            go.transform.SetParent(t, false);

        //            go.transform.localPosition = Vector3.zero;
        //            go.transform.localPosition += offset;

        //            // 新手引导 节点  该节点为  绝对事件 （只该指向UI 受事件响应）
        //            if (isAbsolute)
        //            {
        //                UI_GuideMarkWindow.Instance().OpenCover();

        //                t.gameObject.AddComponent<Canvas>();
        //                t.gameObject.AddComponent<GraphicRaycaster>();
        //                t.gameObject.AddComponent<UI_GuideDelayCanvas>();
        //            }
        //            // 查找成功
        //            if (null != ac_Find)
        //            {
        //                ac_Find(t.gameObject);
        //            }
        //        }
        //        else
        //        {
        //            // 查找失败
        //            if (null != ac_Find)
        //            {
        //                ac_Find(null);
        //            }
        //        }
        //    }, cameraPath);
        //}
        #endregion
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="go"></param>
    /// <param name="arraw"></param>
    public void UnloadObjToUI(GameObject arraw)
    {
        //Debug.LogError("UnloadObjToUI xx");
        Transform prtTran = arraw.transform.parent;
        if (prtTran == null)
        {
            return;
        }
        //回到原来的层级
        Canvas canvas = prtTran.GetComponent<Canvas>();

        if (null != canvas)
        {
            canvas.sortingLayerName = "Default";
            canvas.overrideSorting = false;
        }

        Renderer[] renders = prtTran.GetComponentsInChildren<Renderer>(true);
        for (int i = 0; i < renders.Length; i++)
        {
            renders[i].sortingLayerName = "Default";
        }

        UI_GuideDelayCanvas delay = prtTran.GetComponent<UI_GuideDelayCanvas>();
        if (null != delay)
        {
            delay.enabled = false;
        }
        MonoBehaviour.DestroyObject(arraw);
    }

    /// <summary>
    /// 高亮指定控件
    /// </summary>
    /// <param name="ui"></param>
    /// <param name="path"></param>
    public void OnLightGetComponent(string ui, string path, Action<bool> ac, Vector3 offset, int angle, GameObject markOjb = null)
    {
        Transform t = null;

        if (WindowsObjDict.ContainsKey(ui))
        {
            if (null != WindowsObjDict[ui])
            {
                WindowsObjDict[ui].SetActive(true);
                t = WindowsObjDict[ui].transform.Find(path);
            }
        }
        else
        {

            GameObject Trg = GameObject.Find(ui + "/" + path);
            if (Trg != null)
            {
                t = Trg.transform;
            }
        }

        if (null != t)
        {
            if (markOjb != null)
            {
                markOjb.transform.SetParent(t, false);
                markOjb.transform.localPosition = offset;
                markOjb.transform.localRotation = new Quaternion(0, 0, angle, 0);
            }

            Canvas canvas = t.gameObject.GetComponent<Canvas>();
            if (canvas == null)
            {
                canvas = t.gameObject.AddComponent<Canvas>();
            }
            canvas.sortingOrder = 100;
            GraphicRaycaster GR = t.gameObject.GetComponent<GraphicRaycaster>();
            if (GR == null)
            {
                t.gameObject.AddComponent<GraphicRaycaster>();
            }

            t.gameObject.AddComponent<UI_GuideDelayCanvas>();

            if (ac != null)
            {
                ac(true);

            }
            return;
        }



        if (ac != null)
        {
            ac(false);
        }
    }

    /// <summary>
    /// 恢复（变暗）指定控件
    /// </summary>
    /// <param name="ui"></param>
    /// <param name="path"></param>
    public void OnDarkGetComponent(string ui, string path, Action<bool> ac, GameObject markOjb = null)
    {

        if (markOjb != null)
        {
            MonoBehaviour.DestroyObject(markOjb);
        }

        if (WindowsObjDict.ContainsKey(ui))
        {
            if (null != WindowsObjDict[ui])
            {
                Transform t = WindowsObjDict[ui].transform.Find(path);
                if (t != null)
                {


                    //回到原来的层级
                    Canvas canvas = (Canvas)BattleStaticFunc.GetParentScript(t, "Canvas", true);
                    if (null != canvas)
                    {
                        canvas.sortingLayerName = "Default";
                        canvas.overrideSorting = false;
                    }

                    Renderer[] renders = gameObject.GetComponentsInChildren<Renderer>(true);
                    for (int i = 0; i < renders.Length; i++)
                    {
                        renders[i].sortingLayerName = "Default";
                    }

                    UI_GuideDelayCanvas delay = gameObject.GetComponent<UI_GuideDelayCanvas>();
                    if (null != delay)
                    {
                        delay.enabled = false;
                    }
                    if (ac != null)
                    {
                        ac(true);
                        return;
                    }

                }
            }
        }
        if (ac != null)
        {
            ac(false);
        }
    }

    public GameObject GetPanelByName(string panelName)
    {
        if (WindowsObjDict.ContainsKey(panelName))
            if (WindowsObjDict.ContainsKey(panelName))
            {
                return WindowsObjDict[panelName];
            }
        return null;
    }

    #endregion
}