using GeometryTD.CustomEvent;
using GeometryTD.Definition;
using UnityEngine;

namespace GeometryTD.UI
{
    public class CombineSlotItem : MonoBehaviour
    {
        [SerializeField] private TowerCompSlotType _acceptSlotType = TowerCompSlotType.None;

        [SerializeField] private IconArea _iconArea;

        [SerializeField] private CommonButton _button;

        private long _boundItemId;

        private int _slotIndex = -1;

        public TowerCompSlotType AcceptSlotType => _acceptSlotType;

        public bool HasItem => _boundItemId > 0;

        public int SlotIndex => _slotIndex;

        public long BoundItemId => _boundItemId;

        public void OnInit(int slotIndex)
        {
            _slotIndex = slotIndex;
            ClearSlot();
            _iconArea.OnReset();
        }

        public void BindItem(RepoItemContext itemContext)
        {
            _boundItemId = itemContext?.InstanceId ?? 0;
            _button.Interactive = true;

            if (itemContext != null)
            {
                _iconArea.OnInit(itemContext.IconAreaContext);
            }
        }

        public void ClearSlot()
        {
            _boundItemId = 0;
            _button.Interactive = false;
            _iconArea.OnReset();
        }

        public void OnReset()
        {
            _slotIndex = -1;
            ClearSlot();
            _iconArea.OnReset();
        }

        public void OnClick()
        {
            if (_slotIndex < 0)
            {
                return;
            }

            GameEntry.Event.Fire(this, CombineSlotClickedEventArgs.Create(_slotIndex));
        }
    }
}