#if INPUTSYSTEM_SUPPORT
using System.Linq;
using System.Reflection;
using AlicizaX.UI.Runtime;
using UnityEngine;
using UnityEngine.UI;

namespace UnityEditor.UI
{
    [CustomEditor(typeof(HotkeyBindComponent))]
    public class HotkeyBindComponentInspector : UnityEditor.Editor
    {
        private SerializedProperty hotButtonsProp;
        private HotkeyBindComponent _target;

        private void OnEnable()
        {
            _target = (HotkeyBindComponent)target;
            hotButtonsProp = serializedObject.FindProperty("hotButtons");
        }

        public override void OnInspectorGUI()
        {
            serializedObject.Update();

            var holder = _target.GetComponent<UIHolderObjectBase>();
            if (holder == null)
            {
                EditorGUILayout.HelpBox(
                    "⚠ 当前对象缺少 UIHolderObjectBase 组件。\nHotkeyBindComponent 依赖它进行热键绑定事件。",
                    MessageType.Error
                );
            }

            EditorGUILayout.Space();

            // 灰掉显示 hotButtons 列表（不可手动编辑）
            GUI.enabled = false;
            DrawHotButtonListAlwaysExpanded(hotButtonsProp);
            GUI.enabled = true;

            EditorGUILayout.Space();

            // 按钮：扫描子物体（包含隐藏）
            if (GUILayout.Button("🔍 扫描所有子物体 (包含隐藏对象)"))
            {
                FindAllUXHotkeys();
            }

            serializedObject.ApplyModifiedProperties();
        }

        /// <summary>
        /// 自定义展开显示 hotButtons 列表
        /// </summary>
        private void DrawHotButtonListAlwaysExpanded(SerializedProperty listProp)
        {
            EditorGUILayout.LabelField("Hot Buttons", EditorStyles.boldLabel);

            if (listProp == null || listProp.arraySize == 0)
            {
                EditorGUILayout.HelpBox("当前没有绑定任何 UXHotkey。", MessageType.Info);
                return;
            }

            EditorGUI.indentLevel++;
            for (int i = 0; i < listProp.arraySize; i++)
            {
                var element = listProp.GetArrayElementAtIndex(i);
                var comp = element.objectReferenceValue as Component;
                string name = comp != null ? comp.name + " (" + comp.GetType().Name + ")" : "Null";
                // 注意：这里用 typeof(Component)
                EditorGUILayout.ObjectField($"[{i}] {name}", element.objectReferenceValue, typeof(Component), true);
            }
            EditorGUI.indentLevel--;
        }

        /// <summary>
        /// 查找所有子物体（包含隐藏）并绑定 UXHotkey
        /// </summary>
        private void FindAllUXHotkeys()
        {
            Undo.RecordObject(_target, "Scan UXHotkey");

            var collectMethod = target.GetType().GetMethod("CollectUXHotkeys", BindingFlags.NonPublic | BindingFlags.Instance);
            if (collectMethod != null)
            {
                collectMethod.Invoke(target, null);
                EditorUtility.SetDirty(_target);
                serializedObject.Update();
            }
            else
            {
                Debug.LogWarning("未找到 CollectUXHotkeys 方法。");
            }
        }
    }
}
#endif