import java.awt.*;

public class DrawingSquaredRollers implements IDrawingRollers {
    private RollersCount rollersCount;
    private Color color;

    public DrawingSquaredRollers(int rollersCount, Color bodyColor) {
        setRollersCount(rollersCount);
        color = bodyColor;
    }

    public void setRollersCount(int num) {
        if (num <= 4) {
            rollersCount = RollersCount.Four;
        } else if (num >= 6) {
            rollersCount = RollersCount.Six;
        } else {
            rollersCount = RollersCount.Five;
        }
    }

    public void draw(Graphics2D g, int x, int y, int artilleryWidth, int artilleryHeight) {
        g.setColor(color != null ? color : Color.BLACK);
        g.fillOval(x + artilleryWidth / 20, y + artilleryHeight * 7 / 15, artilleryWidth * 4 / 20, artilleryHeight * 10 / 32);
        g.fillOval(x + artilleryWidth * 15 / 20, y + artilleryHeight * 7 / 15, artilleryWidth * 4 / 20, artilleryHeight * 10 / 32);
        switch (rollersCount) {
            case Six: {
                g.fillOval(x + artilleryWidth * 8 / 20, y + artilleryHeight * 10 / 16, artilleryWidth * 2 / 20, artilleryHeight * 6 / 32);
            }
            case Five: {
                g.fillOval(x + artilleryWidth * 10 / 20, y + artilleryHeight * 10 / 16, artilleryWidth * 2 / 20, artilleryHeight * 6 / 32);
            }
            case Four: {
                g.fillOval(x + artilleryWidth * 5 / 20, y + artilleryHeight * 9 / 16, artilleryWidth * 3 / 20, artilleryHeight * 8 / 32);
                g.fillOval(x + artilleryWidth * 12 / 20, y + artilleryHeight * 9 / 16, artilleryWidth * 3 / 20, artilleryHeight * 8 / 32);
            }
        }
        drawOrnament(g, x, y, artilleryWidth, artilleryHeight);
    }

    private void drawOrnament(Graphics2D g, int x, int y, int artilleryWidth, int artilleryHeight) {
        g.setStroke(new BasicStroke(1));
        g.setColor(Color.BLACK);

        Polygon bigRollerFirstPattern = new Polygon();
        bigRollerFirstPattern.addPoint(x + artilleryWidth / 20 + 1, y + artilleryHeight * 7 / 15 + artilleryHeight * 5 / 32);
        bigRollerFirstPattern.addPoint(x + artilleryWidth * 3 / 20, y + artilleryHeight * 7 / 15 + 1);
        bigRollerFirstPattern.addPoint(x + artilleryWidth * 5 / 20 - 1, y + artilleryHeight * 7 / 15 + artilleryHeight * 5 / 32);
        bigRollerFirstPattern.addPoint(x + artilleryWidth * 3 / 20, y + artilleryHeight * 7 / 15 + artilleryHeight * 10 / 32 - 1);
        g.drawPolygon(bigRollerFirstPattern);
        bigRollerFirstPattern.translate(artilleryWidth * 14 / 20, 0);
        g.drawPolygon(bigRollerFirstPattern);

        Polygon bigRollerSecondPattern = new Polygon();
        bigRollerSecondPattern.addPoint(x + artilleryWidth * 2 / 20, y + artilleryHeight * 7 / 15 + artilleryHeight * 5 / 64);
        bigRollerSecondPattern.addPoint(x + artilleryWidth * 4 / 20, y + artilleryHeight * 7 / 15 + artilleryHeight * 5 / 64);
        bigRollerSecondPattern.addPoint(x + artilleryWidth * 4 / 20, y + artilleryHeight * 7 / 15 + artilleryHeight * 15 / 64);
        bigRollerSecondPattern.addPoint(x + artilleryWidth * 2 / 20, y + artilleryHeight * 7 / 15 + artilleryHeight * 15 / 64);
        g.drawPolygon(bigRollerSecondPattern);
        bigRollerSecondPattern.translate(artilleryWidth * 14 / 20, 0);
        g.drawPolygon(bigRollerSecondPattern);

        Polygon smallRollerFirstPattern = new Polygon();
        smallRollerFirstPattern.addPoint(x + artilleryWidth * 8 / 20, y + artilleryHeight * 10 / 16 + artilleryHeight * 3 / 32);
        smallRollerFirstPattern.addPoint(x + artilleryWidth * 9 / 20, y + artilleryHeight * 10 / 16);
        smallRollerFirstPattern.addPoint(x + artilleryWidth * 10 / 20, y + artilleryHeight * 10 / 16 + artilleryHeight * 3 / 32);
        smallRollerFirstPattern.addPoint(x + artilleryWidth * 9 / 20, y + artilleryHeight * 10 / 16 + artilleryHeight * 6 / 32);

        Polygon smallRollerSecondPattern = new Polygon();
        smallRollerSecondPattern.addPoint(x + artilleryWidth * 8 / 20 + artilleryWidth * 2 / 80, y + artilleryHeight * 10 / 16 + artilleryHeight * 3 / 32 - artilleryHeight * 3 / 64);
        smallRollerSecondPattern.addPoint(x + artilleryWidth * 9 / 20 + artilleryWidth * 2 / 80, y + artilleryHeight * 10 / 16 + artilleryHeight * 3 / 32 - artilleryHeight * 3 / 64);
        smallRollerSecondPattern.addPoint(x + artilleryWidth * 10 / 20 - artilleryWidth * 2 / 80, y + artilleryHeight * 10 / 16 + artilleryHeight * 3 / 32 + artilleryHeight * 3 / 64);
        smallRollerSecondPattern.addPoint(x + artilleryWidth * 8 / 20 + artilleryWidth * 2 / 80, y + artilleryHeight * 10 / 16 + artilleryHeight * 3 / 32 + artilleryHeight * 3 / 64);

        switch(rollersCount) {
            case Six: {
                g.drawPolygon(smallRollerFirstPattern);
                g.drawPolygon(smallRollerSecondPattern);
            }
            case Five: {
                smallRollerFirstPattern.translate(artilleryWidth * 2 / 20, 0);
                smallRollerSecondPattern.translate(artilleryWidth * 2 / 20, 0);
                g.drawPolygon(smallRollerFirstPattern);
                g.drawPolygon(smallRollerSecondPattern);
            }
            case Four: {
                Polygon mediumRollerFirstPattern = new Polygon();
                mediumRollerFirstPattern.addPoint(x + artilleryWidth * 5 / 20, y + artilleryHeight * 9 / 16 + artilleryHeight * 4 / 32);
                mediumRollerFirstPattern.addPoint(x + artilleryWidth * 5 / 20 + artilleryWidth * 3 / 40, y + artilleryHeight * 9 / 16);
                mediumRollerFirstPattern.addPoint(x + artilleryWidth * 5 / 20 + artilleryWidth * 3 / 20, y + artilleryHeight * 9 / 16 + artilleryHeight * 4 / 32);
                mediumRollerFirstPattern.addPoint(x + artilleryWidth * 5 / 20 + artilleryWidth * 3 / 40, y + artilleryHeight * 9 / 16 + artilleryHeight * 8 / 32);
                g.drawPolygon(mediumRollerFirstPattern);
                mediumRollerFirstPattern.translate(artilleryWidth * 7 / 20, 0);
                g.drawPolygon(mediumRollerFirstPattern);

                Polygon mediumRollerSecondPattern = new Polygon();
                mediumRollerSecondPattern.addPoint(x + artilleryWidth * 5 / 20 + artilleryWidth * 3 / 80, y + artilleryHeight * 9 / 16 + artilleryHeight * 2 / 32);
                mediumRollerSecondPattern.addPoint(x + artilleryWidth * 5 / 20 + artilleryWidth * 9 / 80, y + artilleryHeight * 9 / 16 + artilleryHeight * 2 / 32);
                mediumRollerSecondPattern.addPoint(x + artilleryWidth * 5 / 20 + artilleryWidth * 9 / 80, y + artilleryHeight * 9 / 16 + artilleryHeight * 6 / 32);
                mediumRollerSecondPattern.addPoint(x + artilleryWidth * 5 / 20 + artilleryWidth * 3 / 80, y + artilleryHeight * 9 / 16 + artilleryHeight * 6 / 32);
                g.drawPolygon(mediumRollerSecondPattern);
                mediumRollerSecondPattern.translate(artilleryWidth * 7 / 20, 0);
                g.drawPolygon(mediumRollerSecondPattern);
            }
        }
    }
}