package ru.windcorp.game.graphics.elements;

import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;

import ru.windcorp.game.GameMain;
import ru.windcorp.game.graphics.FrameHandler;

public class InfoBox extends FramedPanel {

    private static final long serialVersionUID = 828347285451552842L;
    private String text;
    public static final int OFFSET = 32;

    private InfoBox(int startX, int startY, int sizeX, int sizeY, String message) {
        super(startX, startY, sizeX, sizeY);
        this.text = message;
    }

    @Override public void paint(Graphics g) {
        g.setColor(new Color(255, 255, 255));
        g.fillRect(startX, startY, sizeX, sizeY);
        g.setColor(new Color(0, 0, 0));
        g.setFont(Font.decode("Consolas"));
        g.drawString(text, super.startX + OFFSET, super.startY + OFFSET);
        /*
        E.g. text input "Line 0\nLine 1"
        Prints as "Line 0Line 1"
        */
        super.drawFrame(g, GameMain.getGlobalObserver()); //Draws the frame (no problem here)
    }

    public static InfoBox create(String text) {
        //text may contain some number of '\n's
        Rectangle2D r = new TextLayout(
                text,
                Font.decode("Consolas"),
                new FontRenderContext(new AffineTransform(), true, true)).getBounds();
        Frame f = ((FrameHandler) GameMain.getGraphicsObject()).getFrame();

        return new InfoBox(
                (int) ((f.getWidth() / 2) - ((r.getWidth() + (2 * OFFSET)) / 2)),
                (int) ((f.getHeight() / 2) - ((r.getHeight() + (2 * OFFSET)) / 2)),
                (int) r.getWidth() + (2 * OFFSET),
                (int) r.getHeight() + (2 * OFFSET),
                text);
    }

}