using UnityEngine;

#if ENABLE_INPUT_SYSTEM
using UnityEngine.InputSystem;
#endif

public static class InputAxisWrapper
{
#if ENABLE_INPUT_SYSTEM
    private static InputAction moveAction;

    private static InputAction lookAction;
#endif

    private static Vector2 smoothedMove = Vector2.zero;

#if ENABLE_INPUT_SYSTEM
    public static void InitializeMove (InputAction move)
    {
        if (move == null) {
            Debug.LogError ("InputAxisWrapper: move action not found");
            return;
        }

        moveAction = move;
        moveAction.Enable ();
    }

    public static void InitializeLook (InputAction look)
    {
        if (look == null) {
            Debug.LogError ("InputAxisWrapper: look action not found");
            return;
        }

        lookAction = look;
        lookAction.Enable ();
    }
#endif

    public static float GetAxisHorizontal ()
    {
#if ENABLE_INPUT_SYSTEM
        if (moveAction == null) return 0f;

        return moveAction.ReadValue<Vector2> ().x;
#else
        return 0;
#endif
    }

    public static float GetAxisVertical ()
    {
#if ENABLE_INPUT_SYSTEM
        if (moveAction == null) return 0f;

        return moveAction.ReadValue<Vector2> ().y;

#else
        return 0;
#endif
    }

    public static Vector2 GetMoveAxis (float smoothSpeed)
    {
        Vector2 currentValue = Vector2.zero;

#if ENABLE_INPUT_SYSTEM
        currentValue = moveAction.ReadValue<Vector2> ();
#endif

        smoothedMove = Vector2.Lerp (smoothedMove, currentValue, smoothSpeed * Time.deltaTime);

        if (currentValue.x == 0) {
            if (Mathf.Abs (smoothedMove.x) < 0.001f) {
                smoothedMove.x = 0;
            }
        }

        if (currentValue.y == 0) {
            if (Mathf.Abs (smoothedMove.y) < 0.001f) {
                smoothedMove.y = 0;
            }
        }

        return smoothedMove;
    }

    public static void resetSmoothedGetMoveAxis ()
    {
        smoothedMove = Vector2.zero;
    }

    public static Vector2 GetMoveRawAxis ()
    {
#if ENABLE_INPUT_SYSTEM
        return moveAction.ReadValue<Vector2> ();
#else
        return Vector2.zero;
#endif
    }

    public static Vector2 GetLookAxis ()
    {
#if ENABLE_INPUT_SYSTEM
        return lookAction.ReadValue<Vector2> ();
#else
        return Vector2.zero;
#endif
    }
}