package siprp.images.servlet;

import com.evolute.utils.error.ErrorLogger;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import siprp.data.outer.ImageData;

public final class ImagesServlet extends HttpServlet
{
	private static final long serialVersionUID = 999506147931075031L;
//	private static final double MAX_WIDTH = 4.5;
//	private static final double MAX_HEIGHT = 2.0;
	
	private static final String PARAMETER_ID = "id";

//	private static Boolean logger = false;
//	static
//	{
//		if ( ! logger )
//		{
//			WebImagesLogger.init();
//			logger = true;
//		}
//	}

	public void doGet( HttpServletRequest request, HttpServletResponse response ) //throws IOException, ServletException
	{
		response.setContentType( "image/png" );
		String param = request.getParameter( PARAMETER_ID );
		
		System.out.println( "SIPRPImages . ImagesServlet . doGet() : ImageData.ID = " + param );

		try
		{
			ServletOutputStream out = response.getOutputStream();

			if ( param != null )
			{
				try
				{
					Integer imageID = new Integer( param );

					ImageDataProvider imgProvider = ImageDataProvider.getProvider();
					ImageData img = imgProvider.loadImageDataByID( imageID );
					if ( img != null )
					{
						out.write( img.getImage_data() );
					}
				}
				catch ( Exception e )
				{
					ErrorLogger.logException( e );
				}
			}

			out.flush();
			out.close();
		}
		catch ( Exception e )
		{
			e.printStackTrace();
//			ErrorLogger.logException( e );
		}


		
//		response.setContentType( "image/png" );
//		ServletOutputStream out = response.getOutputStream();
//		String param = request.getParameter( PARAMETER_ID );
//		System.out.println(param);
//		try
//		{
//			Integer id = new Integer( param );
//			Image img = new ImageDAO().getImageForID( id );
////			int width = img.getWidth( null );
////			int height = img.getHeight( null );
////			double wrel = ((double)width ) / MAX_WIDTH;
////			double hrel = ((double)height ) / MAX_HEIGHT;
////			if( wrel > 1 && wrel > hrel )
////			{
////				img = img.getScaledInstance( MAX_WIDTH, -1, Image.SCALE_FAST );
////			}
////			else if( hrel > 1 && hrel > wrel )
////			{
////				img = img.getScaledInstance( -1, MAX_HEIGHT, Image.SCALE_FAST );
////			}
//			out.write( img.getImageData() );
//		}
//		catch (Exception e) {
//			e.printStackTrace();
//		}
	}
	
}