package Trolleybus;

public class MoveToBorder extends AbstractStrategy{
    @Override
    protected boolean IsTargetDestination()
    {
        var objParams = GetObjectParameters();
        if (objParams == null)
        {
            return false;
        }
        return objParams.RightBorder() <= FieldWidth() &&
                objParams.RightBorder() + GetStep() >= FieldWidth() &&
                objParams.DownBorder() <= FieldHeight() &&
                objParams.DownBorder() + GetStep() >= FieldHeight();
    }
    @Override
    protected void MoveToTarget()
    {
        var objParams = GetObjectParameters();
        if (objParams == null)
        {
            return;
        }
        var diffX = objParams.RightBorder() - FieldWidth();
        if (Math.abs(diffX) >= GetStep())
        {
            if (diffX > 0)
            {
                MoveLeft();
            }
            else
            {
                MoveRight();
            }
        }
        var diffY = objParams.DownBorder() - FieldHeight();
        if (Math.abs(diffY) >= GetStep())
        {
            if (diffY > 0)
            {
                MoveUp();
            }
            else
            {
                MoveDown();
            }
        }
    }
}