package data.io;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Hashtable;

import javax.imageio.ImageIO;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.qrcode.QRCodeWriter;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;

public class WebcamUploader {
	public static void takePictureAndUpload(int id) throws IOException{
		Runtime.getRuntime().exec("streamer -c /dev/video0 -b 16 -o" + System.getProperty( "user.home" ) + "/ColorStrike/picture.jpeg");
		
		HttpURLConnection httpUrlConnection = (HttpURLConnection)new URL("http://178.62.254.153/colorstrike/images/photoupload.php?filename="+id+".jpeg").openConnection();
        httpUrlConnection.setDoOutput(true);
        httpUrlConnection.setRequestMethod("POST");
        OutputStream os = httpUrlConnection.getOutputStream();
        try {
			Thread.sleep(2000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
        FileInputStream fis = new FileInputStream(System.getProperty( "user.home" ) +"/ColorStrike/picture.jpeg");

        byte[] buffer = new byte[2048]; 
        int bytesRead;
        while ((bytesRead = fis.read(buffer)) != -1)
        {
            os.write(buffer, 0, bytesRead);
        }

        os.close();
        BufferedReader in = new BufferedReader(
                new InputStreamReader(
                httpUrlConnection.getInputStream()));

        String s = null;
        while ((s = in.readLine()) != null) {
            System.out.println(s);
        }
        in.close();
        fis.close();
	}
	
    public static BufferedImage createQRImage(String qrCodeText, int size) throws WriterException, IOException {
        // Create the ByteMatrix for the QR-Code that encodes the given String
        Hashtable hintMap = new Hashtable();
        hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        BitMatrix byteMatrix = qrCodeWriter.encode(qrCodeText,
                BarcodeFormat.QR_CODE, size, size, hintMap);
        // Make the BufferedImage that are to hold the QRCode
        int matrixWidth = byteMatrix.getWidth();
        BufferedImage image = new BufferedImage(matrixWidth, matrixWidth,
                BufferedImage.TYPE_INT_RGB);
        image.createGraphics();
 
        Graphics2D graphics = (Graphics2D) image.getGraphics();
        graphics.setColor(Color.WHITE);
        graphics.fillRect(0, 0, matrixWidth, matrixWidth);
        // Paint and save the image using the ByteMatrix
        graphics.setColor(Color.BLACK);
 
        for (int i = 0; i < matrixWidth; i++) {
            for (int j = 0; j < matrixWidth; j++) {
                if (byteMatrix.get(i, j)) {
                    graphics.fillRect(i, j, 1, 1);
                }
            }
        }
        return image;
    }
}