/*
<copyright file="BGGCGetRelated.cs" company="BansheeGz">
    Copyright (c) 2018-2021 All Rights Reserved
</copyright>
*/

using GameCreator.Core;
using GameCreator.Variables;
using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;

#endif


namespace BansheeGz.BGDatabase
{
    /// <summary>
    ///  get index of related entity (if any) or -1 if not set
    /// </summary>
    public class BGGCGetRelated : BGGCGetA
    {
        [VariableFilter(Variable.DataType.Number)]
        public VariableProperty saveToVar;

        public override VariableProperty TargetVariable
        {
            get { return saveToVar; }
        }

        public override bool IsSupported(BGField field)
        {
            return field is BGFieldRelationSingle;
        }

        public override bool InstantExecute(GameObject target, IAction[] actions, int index)
        {
            var variable = TargetVariable;
            if (variable == null)
            {
                Debug.Log("WARNING! BGDatabase: can not access variable!");
                return true;
            }

            var cell = GetCell(target);
            if (cell == null)
            {
                Debug.Log("WARNING! BGDatabase: can not access a target cell!");
                return true;
            }

            var valueValue = (BGEntity) cell.Value.Value;
            variable.Set(valueValue?.Index ?? -1, target);
            return true;
        }

        // +--------------------------------------------------------------------------------------+
        // | EDITOR                                                                               |
        // +--------------------------------------------------------------------------------------+
#if UNITY_EDITOR
        public static new string NAME = "BansheeGz/Get related";
        protected override string Title => "BGDatabase: Get related";

        public override void EditorGui()
        {
            base.EditorGui();
            EditorGUILayout.PropertyField(Prop(nameof(saveToVar)));
        }
#endif
    }
}