import java.awt.*;
import java.awt.image.BufferedImage;

public class MapWithSetAircraftsGeneric<T extends IDrawingObject, U extends AbstractMap>
{
    private int _pictureWidth;
    private int _pictureHeight;
    private int _placeSizeWidth = 210;
    private int _placeSizeHeight = 170;
    private SetAircraftsGeneric<T> _setCars;
    private U _map;

    public MapWithSetAircraftsGeneric(int picWidth, int picHeight, U map)
    {
        int width = picWidth / _placeSizeWidth;
        int height = picHeight / _placeSizeHeight;
        _setCars = new SetAircraftsGeneric<T>(width * height);
        _pictureWidth = picWidth;
        _pictureHeight = picHeight;
        _map = map;
    }

    public int addAircraft(T aircraft)
    {
        return _setCars.Insert(aircraft);
    }

    public T removeAircraft(int position)
    {
        return _setCars.Remove(position);
    }

    public Image ShowSet()
    {
        BufferedImage img = new BufferedImage(_pictureWidth, _pictureHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D gr = (Graphics2D) img.getGraphics();

        DrawBackground(gr);
        DrawCars(gr);

        return img;
    }

    public Image ShowOnMap()
    {
        BufferedImage img = new BufferedImage(_pictureWidth, _pictureHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = (Graphics2D) img.getGraphics();

        Shaking();
        for (int i = 0; i < _setCars.getCount(); i++)
        {
            var car = _setCars.Get(i);
            if (car != null)
            {
                _map.CreateMap(_pictureWidth, _pictureHeight, car);
                _map.DrawMapWithObject(g);
                return img;
            }
        }

        return img;
    }

    public Image MoveObject(Direction direction)
    {
        BufferedImage img = new BufferedImage(_pictureWidth, _pictureHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = (Graphics2D) img.getGraphics();

        if (_map != null)
        {
            _map.MoveObject(direction);
            _map.DrawMapWithObject(g);
        }
        return img;
    }

    private void Shaking()
    {
        int j = _setCars.getCount() - 1;
        for (int i = 0; i < _setCars.getCount(); i++)
        {
            if (_setCars.Get(i) == null)
            {
                for (; j > i; j--)
                {
                    var car = _setCars.Get(j);
                    if (car != null)
                    {
                        _setCars.Insert(car, i);
                        _setCars.Remove(j);
                        break;
                    }
                }
                if (j <= i)
                {
                    return;
                }
            }
        }
    }

    private void DrawBackground(Graphics2D g)
    {
        Polygon angar = new Polygon();


        angar.addPoint(0, _pictureHeight );
        angar.addPoint(0, _pictureHeight / 4 );
        angar.addPoint(_pictureWidth / 2 , 9);
        angar.addPoint(_pictureWidth, _pictureHeight / 4 );
        angar.addPoint(_pictureWidth, _pictureHeight );

        g.setPaint(new Color(211, 136, 84));
        g.fillPolygon(angar);

        g.setPaint(new Color(160, 160, 160));
        g.fillRect(_pictureWidth / 6, (_pictureHeight * 5) / 12, (_pictureWidth * 2) / 3, (_pictureHeight * 7) / 12);

        g.setPaint(Color.black);
        g.setStroke(new BasicStroke(3));

        for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++)
        {
            for (int j = 0; j < _pictureHeight / _placeSizeHeight + 1; ++j)
            {
                g.drawLine(i * _placeSizeWidth, j * _placeSizeHeight, i *
                        _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight);
            }
            g.drawLine( i * _placeSizeWidth, 0, i * _placeSizeWidth,
                    (_pictureHeight / _placeSizeHeight) * _placeSizeHeight);
        }

        g.setStroke(new BasicStroke(1));
    }

    private void DrawCars(Graphics2D g)
    {
        int width = _pictureWidth / _placeSizeWidth;

        for (int i = 0; i < _setCars.getCount(); i++)
        {
            int x = i % width;
            int y = i / width;

            T current =_setCars.Get(i);

            if(current == null) continue;

            current.SetObject(x * _placeSizeWidth, y * _placeSizeHeight, _pictureWidth, _pictureHeight);
            current.DrawningObject(g);
        }
    }
}