package controllers;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.List;

import javax.imageio.ImageIO;

import helpers.FileHelper;
import play.Logger;
import play.mvc.Controller;
import play.mvc.Result;

public class Colors extends Controller {
	public Result index() {
		List<models.Color> colors = models.Color.Find.where().order("hex DESC").findList();
		return ok(views.html.Colors.index.render(colors));
	}

	public Result sample(String hex, Integer width, Integer height) {
		models.Color c = models.Color.Find.where().eq("hex", hex).findUnique();
		if (c == null) {
			return notFound("color not found!");
		}
		File image = new File(
				FileHelper.COLORS_DIRECTORY + File.separator + c.hex + "_" + width + "_" + height + ".png");
		if (!image.exists()) {
			BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
			Graphics2D graphics = bi.createGraphics();

			graphics.setPaint(new Color(c.r, c.g, c.b));
			graphics.fillRect(0, 0, bi.getWidth(), bi.getHeight());
			try {
				ImageIO.write(bi, "png", image);
			} catch (IOException e) {
				Logger.error(e.getLocalizedMessage(), e);
			}
		}
		return ok(image);
	}
}