namespace ElectricLocomotive;

public class MoveToEdge: AbstractStrategy
{
    protected override bool IsTargetDestinaion()
    {
        var objParams = GetObjectParameters;
        if (objParams == null)
        {
            return false;
        }
        return objParams.RightBorder < FieldWidth && objParams.RightBorder + GetStep() >= FieldWidth;
    }

    protected override void MoveToTarget()
    {
        var objParams = GetObjectParameters;
        if (objParams == null)
        {
            return;
        }
        var diffX = objParams.RightBorder - (FieldWidth-1);
        if (Math.Abs(diffX) > GetStep())
        {
            if (diffX < 0)
            {
                MoveRight();
            }
        }
        var diffY = objParams.DownBorder - (FieldHeight-1);
        if (Math.Abs(diffY) > GetStep())
        {
            if (diffY < 0)
            {
                MoveDown();
            }
        }
    }
}