using UnityEngine;
using UnityEngine.EventSystems;

namespace DDD
{
    public abstract class BasePopupUi : BaseUi
    {
        public bool IsTopPopup => UiManager.Instance.UiState.IsTopPopup(this);
        public InputActionMaps InputActionMaps { get; protected set; }

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

            // BasePopupUi의 기본값 적용
            _enableBlockImage = true;
        }

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

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

            // BasePopupUi의 Update 로직 구현
            if (IsOpenPanel() == false || IsInitialized == false) return;

            var currentSelectedGameObject = EventSystem.current.currentSelectedGameObject;
            if (!currentSelectedGameObject || currentSelectedGameObject.activeInHierarchy == false)
            {
                var initialSelected = GetInitialSelected();
                if (initialSelected)
                {
                    EventSystem.current.SetSelectedGameObject(initialSelected);
                }
            }
        }

        protected override void TryRegister()
        {
            base.TryRegister();
            
            UiManager.Instance.UiState.RegisterPopupUI(this);
        }

        protected override void TryUnregister()
        {
            base.TryUnregister();
            
            UiManager.Instance?.UiState?.UnregisterPopupUI(this);
        }

        public virtual void Open(OpenPopupUiEvent evt)
        {
            OpenPanel();

            var initialSelected = GetInitialSelected();
            if (initialSelected != null)
            {
                EventSystem.current.SetSelectedGameObject(initialSelected);
            }

            transform.SetAsLastSibling();
        }

        public virtual void Close()
        {
            var evt = GameEvents.ClosePopupUiEvent;
            evt.UiType = GetType();
            EventBus.Broadcast(evt);
        }

        protected abstract GameObject GetInitialSelected();
    }
}