using KitsuneCafe.Sys;
using UnityEngine;
using UnityEngine.Events;

namespace KitsuneCafe.Interaction
{
    public class Interactable : MonoBehaviour, IInteractable
    {
        [SerializeField]
        private bool oneTimeUse = false;

        [SerializeField]
        private UnityEvent<IInteractor> onSelected = default;

        [SerializeField]
        private UnityEvent<IInteractor> onDeselected = default;

        [SerializeField]
        private UnityEvent<IInteractor> onInteracted = default;

        public bool IsInteractable => enabled;

        void IInteractable.Select(IInteractor interactor)
        {
            if (enabled)
            {
                onSelected.Invoke(interactor);
            }
        }

        void IInteractable.Deselect(IInteractor interactor)
        {
            onDeselected.Invoke(interactor);
        }

        public IResult<Unit, InteractionError> Interact(IInteractor interactor)
        {
            if (!enabled) { return Result.Err<Unit, InteractionError>(InteractionError.Inactive()); }

            onInteracted.Invoke(interactor);

            if (oneTimeUse)
            {
                enabled = false;
            }

            return Result.Ok<Unit, InteractionError>(default);
        }
    }
}