import java.awt.*;
import java.util.Random;

class DrawingAircraft
{
    public EntityAircraft AirFighter;
    public IDrawingEngines drawingEngines;

    protected float _startPosX;
    protected float _startPosY;

    private int _pictureWidth = -1;
    private int _pictureHeight = -1;

    private int _airFighterWidth = 195;
    private int _airFighterHeight = 166;

    private void peekRandomEngines(Color color) {
        Random rnd = new Random();
        int randEngine = rnd.nextInt(1, 4);

        switch(randEngine) {
            case 1:
                drawingEngines = new DrawingEngines(rnd.nextInt(1, 8), color);
                break;
            case 2:
                drawingEngines = new DrawingTruncatedEngines(rnd.nextInt(1, 8), color);
                break;
            case 3:
                drawingEngines = new DrawingWavyEngines(rnd.nextInt(1, 8), color);
                break;
        }
    }

    public DrawingAircraft(int speed, float weight, Color bodyColor)
    {
        AirFighter = new EntityAircraft(speed, weight, bodyColor);
        peekRandomEngines(bodyColor);
    }


    public DrawingAircraft(int speed, float weight, Color bodyColor, int airFighterWidth, int airFighterHeight)
    {
        this(speed, weight, bodyColor);
        _airFighterWidth = airFighterWidth;
        _airFighterHeight = airFighterHeight;
    }


    public void SetPosition(int x, int y, int width, int height)
    {
        if (width < _airFighterWidth || height < _airFighterHeight) return;

        if (x + _airFighterWidth > width || x < 0) return;
        if (y + _airFighterHeight > height || y < 0) return;

        _startPosX = x;
        _startPosY = y;

        _pictureWidth = width;
        _pictureHeight = height;
    }

    public void MoveTransport(Direction direction)
    {
        if (_pictureWidth == -1 || _pictureHeight == -1)
        {
            return;
        }


        switch (direction)
        {
            case Right:
                if (_startPosX + _airFighterWidth + AirFighter.Step < _pictureWidth)
                {
                    _startPosX += AirFighter.Step;
                }
                break;
            case Left:
                if (_startPosX - AirFighter.Step > 0)
                {
                    _startPosX -= AirFighter.Step;
                }
                break;
            case Up:
                if (_startPosY - AirFighter.Step > 0)
                {
                    _startPosY -= AirFighter.Step;
                }
                break;
            case Down:
                if (_startPosY + _airFighterHeight + AirFighter.Step < _pictureHeight)
                {
                    _startPosY += AirFighter.Step;
                }
                break;
        }

    }

    public void DrawTransport(Graphics2D g)
    {
        if (_pictureWidth == -1 || _pictureHeight == -1)
        {
            return;
        }

        g.setPaint(AirFighter.BodyColor);

        Polygon front = new Polygon();
        front.addPoint((int)(_startPosX + 160), (int)(_startPosY + 70));
        front.addPoint((int)(_startPosX + 195), (int)(_startPosY + 83));
        front.addPoint((int)(_startPosX + 160), (int)(_startPosY + 96));


        Polygon tailTop = new Polygon();
        tailTop.addPoint((int)(_startPosX), (int)(_startPosY + 30));
        tailTop.addPoint((int)(_startPosX), (int)(_startPosY + 70));
        tailTop.addPoint((int)(_startPosX + 25), (int)(_startPosY + 70));
        tailTop.addPoint((int)(_startPosX + 25), (int)(_startPosY + 55));


        Polygon tailBottom = new Polygon();
        tailBottom.addPoint((int)(_startPosX), (int)(_startPosY + 96));
        tailBottom.addPoint((int)(_startPosX), (int)(_startPosY + 136));
        tailBottom.addPoint((int)(_startPosX + 25), (int)(_startPosY + 111));
        tailBottom.addPoint((int)(_startPosX + 25), (int)(_startPosY + 96));


        Polygon wingTop = new Polygon();
        wingTop.addPoint((int)(_startPosX + 100), (int)(_startPosY));
        wingTop.addPoint((int)(_startPosX + 100), (int)(_startPosY + 70));
        wingTop.addPoint((int)(_startPosX + 75), (int)(_startPosY + 70));
        wingTop.addPoint((int)(_startPosX + 90), (int)(_startPosY));



        Polygon wingBottom = new Polygon();
        wingBottom.addPoint((int)(_startPosX + 100), (int)(_startPosY + 96));
        wingBottom.addPoint((int)(_startPosX + 100), (int)(_startPosY + 166));
        wingBottom.addPoint((int)(_startPosX + 90), (int)(_startPosY + 166));
        wingBottom.addPoint((int)(_startPosX + 75), (int)(_startPosY + 96));

        g.fillPolygon(front);
        g.drawPolygon(tailTop);
        g.drawPolygon(tailBottom);
        g.drawPolygon(wingTop);
        g.drawPolygon(wingBottom);
        g.drawRect((int)_startPosX, (int)_startPosY + 70, 160, 26);

        drawingEngines.draw(g, (int)_startPosX, (int)_startPosY);
    }

    public void ChangeBorders(int width, int height)
    {
        _pictureWidth = width;
        _pictureHeight = height;
        if (_pictureWidth <= _airFighterWidth || _pictureHeight <= _airFighterHeight)
        {
            _pictureWidth = -1;
            _pictureHeight = -1;
            return;
        }
        if (_startPosX + _airFighterWidth > _pictureWidth)
        {
            _startPosX = _pictureWidth - _airFighterWidth;
        }
        if (_startPosY + _airFighterHeight > _pictureHeight)
        {
            _startPosY = _pictureHeight - _airFighterHeight;
        }
    }

    public Point getLeftTop() {
        return new Point((int)_startPosX, (int)_startPosY);
    }

    public Point getRightBottom() {
        return new Point((int)_startPosX + _airFighterWidth, (int)_startPosY + _airFighterHeight);
    }
}