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

namespace VketCloudGUITools.Editor
{
    public abstract class SubInspector : UnityEditor.Editor
    {
        public bool HideScriptField = false;
        const float SEPALATOR_HEIGHT = 3f;

        public override void OnInspectorGUI()
        {
            var width = EditorGUIUtility.currentViewWidth;
            var height = GetSubInspectorHeight();

            Rect rect = GUILayoutUtility.GetRect(width, height);

            using (new GUI.ClipScope(rect))
            {
                rect.x = 0f;
                rect.y = 0f;

                OnSubInspectorGUI(rect);
            }

            //GUILayoutUtility.GetRect( width, height );
        }

        public virtual void OnSubInspectorGUI(Rect position)
        {
            var defaultIndentLevel = EditorGUI.indentLevel;
            serializedObject.Update();
            var itr = serializedObject.GetIterator();
            itr.Next(true);
            itr.NextVisible(true);
            do
            {
                var height = EditorGUI.GetPropertyHeight(itr);

                if (HideScriptField && itr.propertyPath == "m_Script")
                    continue;

                var propertyPosition = position;
                propertyPosition.height = height;
                position.yMin += height + SEPALATOR_HEIGHT;

                EditorGUI.indentLevel = itr.depth + defaultIndentLevel + 1;
                EditorGUI.PropertyField(propertyPosition, itr, itr.isExpanded);
            } while (itr.NextVisible(false));

            serializedObject.ApplyModifiedProperties();

            EditorGUI.indentLevel = defaultIndentLevel;
        }

        public virtual float GetSubInspectorHeight()
        {
            float height = 0f;
            var itr = serializedObject.GetIterator();
            itr.Next(true);
            itr.NextVisible(true);
            do
            {
                if (HideScriptField && itr.propertyPath == "m_Script")
                    continue;

                height += EditorGUI.GetPropertyHeight(itr, itr.isExpanded);
                height += SEPALATOR_HEIGHT;
            } while (itr.NextVisible(false));

            return height;
        }
    }
}