using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor.UI;
using UnityEditor;
using XRTool.Util;

namespace XRTool.WorldUI
{
    [InitializeOnLoad]
    [CustomEditor(typeof(WorldDlg))]
    public class WorldDlgEditor : Editor
    {
        private WorldDlg worldDlg;
        private Vector2 size;
        private SerializedProperty isShowTitle;
        private SerializedProperty titleDis;
        [MenuItem("GameObject/XRUI/WorldDlg", priority = 0)]
        static void Init()
        {
            var obj = Instantiate(Resources.Load<WorldDlg>(typeof(WorldDlg).Name));
            obj.name = (typeof(WorldDlg).Name);
            if (obj)
            {
                var parent = Selection.activeGameObject;
                if (!parent)
                {
                    var canvas = GameObject.FindObjectsOfType(typeof(Canvas));
                    if (canvas != null)
                    {
                        for (int i = 0; i < canvas.Length; i++)
                        {
                            if ((canvas[i] as Canvas).renderMode == RenderMode.WorldSpace)
                            {
                                parent = (canvas[i] as Canvas).gameObject;
                                break;
                            }
                        }
                    }
                }
                obj.transform.SetParent(parent.transform);
                Selection.activeGameObject = obj.gameObject;
            }
        }
        private void OnEnable()
        {
            isShowTitle = serializedObject.FindProperty("isShowTitle");
            titleDis = serializedObject.FindProperty("titleDis");
            worldDlg = target as WorldDlg;
            if (worldDlg)
            {
                if(worldDlg.BG)
                worldDlg.BG.InitComponent();
                size = worldDlg.DlgTrans.rect.size;
                worldDlg.AutoSetScale(worldDlg.DlgTrans, size);
                worldDlg.BG.UpdateSize(size * WorldDlg.UIScale);
                worldDlg.SetBoundSize(worldDlg.BG.Back, worldDlg.dragOffset);
                worldDlg.XRTitle.gameObject.SetActive(worldDlg.isShowTitle);
            }
        }

        
        
        public override void OnInspectorGUI()
        {
            base.OnInspectorGUI();
            EditorGUILayout.PropertyField(isShowTitle, new GUIContent("是否显示标题"));
            if (worldDlg.isShowTitle)
            {
                EditorGUILayout.PropertyField(titleDis, new GUIContent("标题板距离"));
            }
            serializedObject.ApplyModifiedProperties();
            if (worldDlg.DlgTrans.rect.size != size)
            {
                
                worldDlg.SetScale(worldDlg.DlgTrans.rect.size);

            }
            if (GUI.changed)
            {
                worldDlg.XRTitle.gameObject.SetActive(worldDlg.isShowTitle);
                if (worldDlg.isShowTitle)
                {
                    var pos = worldDlg.BG.Back.anchoredPosition3D;
                    pos.y = worldDlg.titleDis + worldDlg.XRTitle.rectTransform.rect.size.y / 2;
                    worldDlg.BG.Back.anchoredPosition3D = pos;
                }
                else
                {
                    worldDlg.BG.Back.anchoredPosition3D = Vector3.zero;
                }
                worldDlg.SetBoundSize(worldDlg.BG.Back, worldDlg.dragOffset);
                worldDlg.XRTitle.gameObject.SetActive(worldDlg.isShowTitle);
                worldDlg.AutoSetTitle(size);
            }
        }
        
    }
}