using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace UnityEditor.UI
{
    [CustomEditor(typeof(HotkeyComponent), true)]
    public class HotkeyComponentEditor : UnityEditor.Editor
    {
        private SerializedProperty _hotkeyAction;
        private SerializedProperty _hotkeyPressType;
        private SerializedProperty _component;

        private void OnEnable()
        {
            _component = serializedObject.FindProperty("_component");
            _hotkeyAction = serializedObject.FindProperty("_hotkeyAction");
            _hotkeyPressType = serializedObject.FindProperty("_hotkeyPressType");
        }

        public override void OnInspectorGUI()
        {
            serializedObject.Update();
            if (_component.objectReferenceValue == null)
            {
                EditorGUILayout.HelpBox("物体身上不存在ISubmitHandler得到组件", MessageType.Error);
                HotkeyComponent hotkeyComponent = (HotkeyComponent)target;
                if (hotkeyComponent.TryGetComponent(typeof(ISubmitHandler), out Component submitHandler))
                {
                    _component.objectReferenceValue = submitHandler;
                }
            }

            using (new EditorGUILayout.VerticalScope(EditorStyles.helpBox))
            {
                EditorGUILayout.LabelField("Hotkey Setting", EditorStyles.boldLabel);

                EditorGUI.BeginDisabledGroup(true);
                EditorGUILayout.PropertyField(_component, new GUIContent("Component"));
                EditorGUI.EndDisabledGroup();

                EditorGUILayout.PropertyField(_hotkeyAction, new GUIContent("输入映射"));
                EditorGUILayout.PropertyField(_hotkeyPressType, new GUIContent("触发类型"));
            }

            serializedObject.ApplyModifiedProperties();
        }
    }
}