using SpellBoundAR.Items.Inventories;
using UnityEditor;
using UnityEngine;

namespace SpellBoundAR.Items.Editor
{
    [CustomEditor(typeof(SavedInventoryScriptableObject), true)]
    public class SavedInventoryScriptableObjectInspector : UnityEditor.Editor
    {
        [SerializeField] public Object item;
        private SavedInventoryScriptableObject _savedInventoryMonoBehaviour;

        private void OnEnable()
        {
            _savedInventoryMonoBehaviour = (SavedInventoryScriptableObject) target;
        }

        public override void OnInspectorGUI()
        {
            base.OnInspectorGUI();
            
            GUILayout.BeginHorizontal();
            
            item = EditorGUILayout.ObjectField(GUIContent.none, item, typeof(IItemTypeData), true);
            IItemTypeData itemTypeData = item ? (IItemTypeData) item : null;

            SavedInventory savedInventory = _savedInventoryMonoBehaviour 
                ? _savedInventoryMonoBehaviour.SavedInventory 
                : null;
            
            EditorGUI.BeginDisabledGroup(savedInventory == null || itemTypeData == null);
            if (GUILayout.Button("+1", GUILayout.MaxWidth(30)) && savedInventory != null) savedInventory.Add(itemTypeData, 1);
            if (GUILayout.Button("-1", GUILayout.MaxWidth(30)) && savedInventory != null) savedInventory.Remove(itemTypeData, 1);
            if (GUILayout.Button("Remove All", GUILayout.MaxWidth(90)) && savedInventory != null) savedInventory.RemoveAll(itemTypeData);
            EditorGUI.EndDisabledGroup();
            
            GUILayout.EndHorizontal();

            InventoryEditorHelpers.DrawSavedInventory(_savedInventoryMonoBehaviour.SavedInventory);
            
            EditorGUI.BeginDisabledGroup(savedInventory == null);
            if (GUILayout.Button("Clear") && savedInventory != null) savedInventory.Clear();
            EditorGUI.EndDisabledGroup();
        }
    }
}