/******************************************************************************
 * Copyright (C) Ultraleap, Inc. 2011-2021.                                   *
 *                                                                            *
 * Use subject to the terms of the Apache License 2.0 available at            *
 * http://www.apache.org/licenses/LICENSE-2.0, or another agreement           *
 * between Ultraleap and you, your company or other organization.             *
 ******************************************************************************/

using Leap.Unity.Query;
using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

namespace Leap.Unity.Animation
{

    [CanEditMultipleObjects]
    [CustomEditor(typeof(TransformTweenBehaviour))]
    public class TransformTweenBehaviourEditor : CustomEditorBase<TransformTweenBehaviour>
    {

        protected override void OnEnable()
        {
            base.OnEnable();

            dontShowScriptField();

            deferProperty("_eventTable");
            specifyCustomDrawer("_eventTable", drawEventTable);
        }

        private EnumEventTableEditor _tableEditor;
        private void drawEventTable(SerializedProperty property)
        {
            if (_tableEditor == null)
            {
                _tableEditor = new EnumEventTableEditor(property, typeof(TransformTweenBehaviour.EventType));
            }

            _tableEditor.DoGuiLayout();
        }

        public override void OnInspectorGUI()
        {

            drawScriptField();

            EditorGUI.BeginDisabledGroup(target.targetTransform == null
                                        || target.startTransform == null
                                        || Utils.IsObjectPartOfPrefabAsset(target.gameObject));

            EditorGUILayout.BeginHorizontal();

            if (GUILayout.Button(new GUIContent("Set Target" + (targets.Length > 1 ? "s" : "") + " To Start",
                                                "If this TransformTweenBehaviour has a valid target and start transform, "
                                              + "you can press this button to set the target transform to the start state.")))
            {
                Undo.IncrementCurrentGroup();
                Undo.SetCurrentGroupName("Set Target(s) To Start");
                foreach (var individualTarget in targets)
                {
                    Undo.RecordObject(individualTarget.targetTransform, "Move Target To Start");
                    individualTarget.SetTargetToStart();
                }
            }

            EditorGUI.EndDisabledGroup();

            EditorGUI.BeginDisabledGroup(target.targetTransform == null
                                        || target.endTransform == null
                                        || Utils.IsObjectPartOfPrefabAsset(target.gameObject));

            if (GUILayout.Button(new GUIContent("Set Target" + (targets.Length > 1 ? "s" : "") + " To End",
                                                "If this TransformTweenBehaviour has a valid target and end transform, "
                                              + "you can press this button to set the target transform to the end state.")))
            {
                Undo.IncrementCurrentGroup();
                Undo.SetCurrentGroupName("Set Target(s) To End");
                foreach (var individualTarget in targets)
                {
                    Undo.RecordObject(individualTarget.targetTransform, "Move Target To End");
                    individualTarget.SetTargetToEnd();
                }
            }

            EditorGUILayout.EndHorizontal();

            EditorGUI.EndDisabledGroup();

            base.OnInspectorGUI();
        }

    }

}