using UnityEditor;
using UnityEngine;

namespace SpellBoundAR.Items.Editor
{
    [CustomEditor(typeof(Item), true)]
    public class ItemInspector : UnityEditor.Editor
    {
        private UnityEditor.Editor _typeEditor;
        private UnityEditor.Editor _instanceEditor;

        public override void OnInspectorGUI()
        {
            Object typeObject = serializedObject.FindProperty("type").objectReferenceValue;
            Object instanceObject = serializedObject.FindProperty("instance").objectReferenceValue;
            
            EditorGUI.BeginDisabledGroup(instanceObject);
            EditorGUILayout.PropertyField(serializedObject.FindProperty("type"));
            EditorGUI.EndDisabledGroup();
            EditorGUILayout.PropertyField(serializedObject.FindProperty("instance"));
            
            if (typeObject)
            {
                CreateCachedEditor(typeObject, null, ref _typeEditor);
                if (_typeEditor) _typeEditor.OnInspectorGUI();
            }
            else
            {
                _typeEditor = null;
                DrawDefaultTypeSettings();
            }
            
            if (instanceObject)
            {
                CreateCachedEditor(instanceObject, null, ref _instanceEditor);
                if (_instanceEditor) _instanceEditor.OnInspectorGUI();
            }
            else
            {
                _instanceEditor = null;
                DrawDefaultInstanceSettings();
            }

            serializedObject.ApplyModifiedProperties();
        }

        private void DrawDefaultTypeSettings()
        {
            GUILayout.Space(10);
            EditorGUILayout.BeginVertical(Styles.Subbox, GUILayout.MinHeight(30));
            GUILayout.Label("Type Settings", Styles.H3, GUILayout.ExpandWidth(true));
            EditorGUI.indentLevel++;
            EditorGUILayout.PropertyField(serializedObject.FindProperty("defaultID"), new GUIContent("ID"));
            EditorGUILayout.PropertyField(serializedObject.FindProperty("defaultName"), new GUIContent("Name"));
            EditorGUILayout.PropertyField(serializedObject.FindProperty("defaultLocalizedName"), new GUIContent("Localized Name"));
            EditorGUILayout.PropertyField(serializedObject.FindProperty("defaultDescription"), new GUIContent("Description"));
            EditorGUILayout.PropertyField(serializedObject.FindProperty("defaultDepiction"), new GUIContent("Depiction"));
            EditorGUILayout.PropertyField(serializedObject.FindProperty("defaultShowInInventory"), new GUIContent("Show In Inventory"));
            EditorGUI.indentLevel--;
            EditorGUILayout.EndVertical();
        }
        
        private void DrawDefaultInstanceSettings()
        {
            GUILayout.Space(10);
            EditorGUILayout.BeginVertical(Styles.Subbox, GUILayout.MinHeight(30));
            GUILayout.Label("Instance Settings", Styles.H3, GUILayout.ExpandWidth(true));
            EditorGUI.indentLevel++;
            EditorGUILayout.PropertyField(serializedObject.FindProperty("visible"));
            EditorGUILayout.PropertyField(serializedObject.FindProperty("interactable"));
            EditorGUI.indentLevel--;
            EditorGUILayout.EndVertical();
        }
    }
}