#if ENABLE_INPUT_BINDERS

using UnityEngine;
using UnityEngine.VFX;
using UnityEngine.VFX.Utility;
using UnityEngine.InputSystem;

namespace Klak.Vfx {

public sealed class VFXPlayerInputEventBinder : VFXEventBinderBase
{
    public PlayerInput Input = null;

    InputAction _action;
    ExposedProperty _alpha = "alpha";

    [SerializeField, HideInInspector] string _actionName = null;

    protected override void SetEventAttribute(object[] parameters)
    {
        if (_action != null)
            eventAttribute.SetFloat(_alpha, _action.ReadValue<float>());
    }

    protected override void OnEnable()
    {
        if (Input != null && _actionName != null)
        {
            _action = Input.actions.FindAction(_actionName);
            if (_action != null) _action.performed += OnPerformed;
        }
        base.OnEnable();
    }

    void OnDisable()
    {
        if (_action != null)
        {
            _action.performed -= OnPerformed;
            _action = null;
        }
    }

    void OnPerformed(InputAction.CallbackContext ctx)
      => SendEventToVisualEffect();
}

} // namespace Klak.Vfx

#endif