using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using UnityEditor.Experimental.SceneManagement;

namespace BFEditor.Resource
{	
	public class CheckRaycastTargetWindow : EditorWindow
	{
	    ShowRaycast raycastHelper;
	    RectTransform rt;
	    Vector2 scrollPos;
	
	    CheckRaycastTargetWindow()
	    {
	        this.titleContent = new GUIContent("检查RaycastTarget");
	    }
	
	    void OnEnable()
	    {
	        PrefabStage currentPrefabStage = PrefabStageUtility.GetCurrentPrefabStage();
	        Transform tran;
	        if (currentPrefabStage == null)
	            tran = Selection.activeTransform;
	        else
	            tran = currentPrefabStage.prefabContentsRoot.transform;
	        if (tran != null)
	            rt = tran.GetComponent<RectTransform>();
	        if (rt != null)
	        {
	            raycastHelper = rt.GetComponent<ShowRaycast>();
	            if (raycastHelper == null)
	                raycastHelper = rt.gameObject.AddComponent<ShowRaycast>();
	            raycastHelper.SetEditorWindowMode(true);
	        }
	    }
	
	    void OnGUI()
	    {
	        GUILayout.BeginVertical();
	        EditorGUI.BeginChangeCheck();
	        rt = (RectTransform)EditorGUILayout.ObjectField("", rt, typeof(RectTransform), true, GUILayout.Width(200));
	        GUILayout.Space(6);
	        if (EditorGUI.EndChangeCheck())
	        {
	            if (raycastHelper != null)
	                DestroyImmediate(raycastHelper);
	            if (rt != null)
	            {
	                raycastHelper = rt.GetComponent<ShowRaycast>();
	                if (raycastHelper == null)
	                    raycastHelper = rt.gameObject.AddComponent<ShowRaycast>();
	                raycastHelper.SetEditorWindowMode(true);
	            }
	        }
	        if (raycastHelper != null)
	        {
	            GUILayout.Label(string.Format("raycastTarget组件一共有 {0} 个", raycastHelper.GetTotalCount()));
	            GUILayout.Label("(红色)image  " + raycastHelper.GetImageCount() +
	                "    (绿色)text " + raycastHelper.GetTextCount());
	            GUILayout.Label("(黄色)emptyRaycast " + raycastHelper.GetEmptyCount() +
	                "    (蓝色)rawImage " + raycastHelper.GetRawImageCount());
	            GUILayout.Space(6);
	            scrollPos = GUILayout.BeginScrollView(scrollPos, GUILayout.Width(400), GUILayout.Height(270));
	            List<string> pathList = raycastHelper.GetImagePathList();
	            int i = 0;
	            if (pathList.Count > 0)
	            {
	                GUILayout.Label("image路径:");
	                for (; i < pathList.Count; i++)
	                    GUILayout.Label(pathList[i]);
	            }
	            pathList = raycastHelper.GetTextPathList();
	            i = 0;
	            if (pathList.Count > 0)
	            {
	                GUILayout.Label("text路径:");
	                for (; i < pathList.Count; i++)
	                    GUILayout.Label(pathList[i]);
	            }
	            pathList = raycastHelper.GetEmptyPathList();
	            i = 0;
	            if (pathList.Count > 0)
	            {
	                GUILayout.Label("emptyRaycast路径:");
	                for (; i < pathList.Count; i++)
	                    GUILayout.Label(pathList[i]);
	            }
	            pathList = raycastHelper.GetRawImagePathList();
	            i = 0;
	            if (pathList.Count > 0)
	            {
	                GUILayout.Label("rawImage路径:");
	                for (; i < pathList.Count; i++)
	                    GUILayout.Label(pathList[i]);
	            }
	            GUILayout.EndScrollView();
	        }
	        GUILayout.EndVertical();
	    }
	
	    void OnDestroy()
	    {
	        if (raycastHelper != null)
	            DestroyImmediate(raycastHelper);
	    }
	
	    //[MenuItem("资源工具/资源检查/检查RaycastTarget", false, 401)]
	    public static void OpenWindow()
	    {
	        CheckRaycastTargetWindow window = (CheckRaycastTargetWindow)GetWindowWithRect(typeof(CheckRaycastTargetWindow),
	            new Rect(Screen.width / 2, Screen.height / 2, 400, 400), true);
	        window.Show();
	    }
	}
}