using UnityEditor;
using UnityEngine;
using VketCloudGUITools.Runtime;
using UnityEditorInternal;
using UnityEngine.UI;

namespace VketCloudGUITools.Editor
{
    [CustomEditor(typeof(VCLayerList))]
    public class VCLayerListInspector : UnityEditor.Editor
    {
        private ReorderableList _reorderableList;
        private bool showAdvancedOptions = false;

        public void OnEnable()
        {
        }
        public override void OnInspectorGUI()
        {
            serializedObject.Update();
            DrawProperties();
            serializedObject.ApplyModifiedProperties();
        }

        //各要素の描画
        void DrawProperties()
        {
            DrawDefaultInspector();
            showAdvancedOptions = EditorGUILayout.Foldout(showAdvancedOptions, "Advanced Options");
            if (showAdvancedOptions)
            {
                if (_reorderableList == null)
                {
                    var componentsProperty = serializedObject.FindProperty("_components");
                    _reorderableList = new ReorderableList(serializedObject, componentsProperty, true, true, true, true);
                    _reorderableList.drawElementCallback = (Rect rect, int index, bool isActive, bool isFocused) =>
                    {
                        var element = _reorderableList.serializedProperty.GetArrayElementAtIndex(index);
                        rect.y += 2;
                        EditorGUI.BeginChangeCheck();
                        var text = EditorGUI.TextField(new Rect(rect.x, rect.y, rect.width, EditorGUIUtility.singleLineHeight), element.stringValue);
                        if (EditorGUI.EndChangeCheck())
                        {
                            element.stringValue = text;
                        }
                    };

                    _reorderableList.drawHeaderCallback = rect =>
                    {
                        EditorGUI.LabelField(rect, "Components");
                    };
                }
                _reorderableList.DoLayoutList();
                var layerList = target as VCLayerList;
                layerList.MaskFoldout = EditorGUILayout.Foldout(layerList.MaskFoldout, "Mask");
                if (layerList.MaskFoldout)
                {
                    if (layerList.Mask.HasValue)
                    {
                        EditorGUI.BeginChangeCheck();
                        var URI = (Sprite)EditorGUILayout.ObjectField("Click Area Image", layerList.Mask.URI, typeof(Sprite), true);
                        var Show = EditorGUILayout.Toggle("Show", layerList.Mask.Show);
                        var Pos = EditorGUILayout.Vector2Field("Pos", layerList.Mask.Pos);
                        var Size = EditorGUILayout.Vector2Field("Size", layerList.Mask.Size);
                        var Z = EditorGUILayout.IntField("Z", layerList.Mask.Z);
                        var Pivot = EditorGUILayout.Vector2Field("Pivot", layerList.Mask.Pivot);
                        var Anchor = (AnchorType)EditorGUILayout.EnumPopup("Anchor", layerList.Mask.Anchor);
                        var Color = EditorGUILayout.ColorField("Color", layerList.Mask.Color);
                        var Vertical = EditorGUILayout.Toggle("Vertical", layerList.Mask.Vertical);
                        var FreeSlide = EditorGUILayout.Toggle("Free Slide", layerList.Mask.FreeSlide);
                        var WheelTravel = EditorGUILayout.FloatField("Wheel Travel", layerList.Mask.WheelTravel);
                        if (EditorGUI.EndChangeCheck())
                        {
                            Undo.RecordObject(layerList, "Layer");
                            layerList.Mask.URI = URI;
                            layerList.Mask.Show = Show;
                            layerList.Mask.Pos = Pos;
                            layerList.Mask.Size = Size;
                            layerList.Mask.Z = Z;
                            layerList.Mask.Pivot = Pivot;
                            layerList.Mask.Anchor = Anchor;
                            layerList.Mask.Color = Color;
                            layerList.Mask.Vertical = Vertical;
                            layerList.Mask.FreeSlide = FreeSlide;
                            layerList.Mask.WheelTravel = WheelTravel;
                        }
                        EditorGUILayout.LabelField("Seek Bar");
                        EditorGUILayout.BeginVertical(GUI.skin.box);
                        if (layerList.Mask.SeekBar.HasVerticalValue)
                        {
                            DrawSeekBarItem(layerList, true);
                            if (GUILayout.Button("Delete Vertical Seek Bar"))
                            {
                                Undo.RecordObject(layerList, "Layer");
                                layerList.Mask.SeekBar.SetVertical(null);
                                Repaint();
                            }
                        }
                        else
                        {
                            if (GUILayout.Button("Add Vertical Seek Bar"))
                            {
                                Undo.RecordObject(layerList, "Layer");
                                var item = new VCLayerMaskSeekBarItem();
                                layerList.Mask.SeekBar.SetVertical(item);
                                Repaint();
                            }
                        }
                        if (layerList.Mask.SeekBar.HasHorizontalValue)
                        {
                            DrawSeekBarItem(layerList, false);
                            if (GUILayout.Button("Delete Horizontal Seek Bar"))
                            {
                                Undo.RecordObject(layerList, "Layer");
                                layerList.Mask.SeekBar.SetHorizontal(null);
                                Repaint();
                            }
                        }
                        else
                        {
                            if (GUILayout.Button("Add Horizontal Seek Bar"))
                            {
                                Undo.RecordObject(layerList, "Layer");
                                var item = new VCLayerMaskSeekBarItem();
                                layerList.Mask.SeekBar.SetHorizontal(item);
                                Repaint();
                            }
                        }
                        EditorGUILayout.EndVertical();
                        if (GUILayout.Button("Delete Mask"))
                        {
                            Undo.RecordObject(layerList, "Layer");
                            layerList.Mask.Initialize(false);
                            Repaint();
                        }
                    }
                    else
                    {
                        if (GUILayout.Button("Add Mask"))
                        {
                            Undo.RecordObject(layerList, "Layer");
                            layerList.Mask.Initialize(true);
                            Repaint();
                        }
                    }
                }
            }

            
        }
        void DrawSeekBarItem(VCLayerList layerList, bool isVertical)
        {
            var item = isVertical ? layerList.Mask.SeekBar.Vertical : layerList.Mask.SeekBar.Horizontal;

            EditorGUILayout.LabelField(isVertical ? "Vertical" : "Horizontal");
            EditorGUILayout.BeginVertical(GUI.skin.box);
            EditorGUI.BeginChangeCheck();
            var Base = (Sprite)EditorGUILayout.ObjectField("Base Image", item.Base, typeof(Sprite), true);
            var Front = (Sprite)EditorGUILayout.ObjectField("Front Image", item.Front, typeof(Sprite), true);
            var On = (Sprite)EditorGUILayout.ObjectField("On Image", item.On, typeof(Sprite), true);
            var Off = (Sprite)EditorGUILayout.ObjectField("Off Image", item.Off, typeof(Sprite), true);
            var BarWidth = EditorGUILayout.IntField("Bar Width", item.BarWidth);
            var OnSize = EditorGUILayout.Vector2IntField("On Size", item.OnSize);
            var OffSize = EditorGUILayout.Vector2IntField("Off Size", item.OffSize);
            if (EditorGUI.EndChangeCheck())
            {
                item.Base = Base;
                item.Front = Front;
                item.On = On;
                item.Off = Off;
                item.BarWidth = BarWidth;
                item.OnSize = OnSize;
                item.OffSize = OffSize;
            }
            EditorGUILayout.EndVertical();
        }
    }
}