package gui.image;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.SystemColor;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JSeparator;
import javax.swing.JTextPane;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.border.EmptyBorder;
import models.Image;
import models.person;
import org.apache.thrift.TException;
import server.Server.Client;
import thrift.ThriftConnection;
//import util.XMLCreator;
import ftp.UploadTask;
import gui.intro.MainMenue_GUI;

@SuppressWarnings("serial")
public class FTPCreateUploader_GUI extends JFrame implements
		PropertyChangeListener {

	@SuppressWarnings("unused")
	private JPanel contentPane;
	private final JPanel contentPanel = new JPanel();
	JLabel lblPath;
	JProgressBar progressBar;
	//String host = "141.79.128.121";
	String host = "141.79.128.102";
	int port = 21;
	server.User user;
	String filename = "";
	File uploadFile;
	static String arg = "";
	UploadTask task;
	JLabel UpSpeed;
	JLabel labelfertig;
	JLabel labelfilesize;
	JLabel labelZeit;
	JLabel labelverbleibend;
	long filesize;
	double speed;
	long bytesread;
	boolean taskrun = false;
	ThriftConnection thrift = new ThriftConnection();
	Client client = thrift.getThriftConnection();
	JButton finishButton = new JButton("Fertigstellen");
	JButton btnUploadStarten = new JButton("Upload auf Server starten");
	JButton btnZurck = new JButton("Zur\u00FCck");
	int progress = 0; // progress of upload

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					FTPCreateUploader_GUI frame = new FTPCreateUploader_GUI();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public FTPCreateUploader_GUI() {
		addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent arg0) {
				if (taskrun == true) {
					try {
						client.DeleteFtpUser(user.userName);
					} catch (TException e1) {
						// TODO Auto-generated catch block
						e1.printStackTrace();
						JOptionPane.showMessageDialog(null,
								e1.getCause()+"\n"+e1.getMessage(),
								"Debug-Message", JOptionPane.ERROR_MESSAGE);
					}
					task.cancel(true);
				}
				System.exit(0);
			}// end window closing
		});
		setResizable(false);

		try {
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		} catch (ClassNotFoundException | InstantiationException
				| IllegalAccessException | UnsupportedLookAndFeelException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			JOptionPane.showMessageDialog(null,
					e.getCause()+"\n"+e.getMessage(),
					"Debug-Message", JOptionPane.ERROR_MESSAGE);
		}

		// filename=name;
		setBackground(Color.WHITE);
		setTitle("Dozentenmodul *Prototyp* - Image erzeugen");
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		int top = (screenSize.height - 722) / 2;
		int left = (screenSize.width - 603) / 2;
		setBounds(left, top, 603, 722);
		// setBounds(100, 100, 603, 250);
		getContentPane().setLayout(new BorderLayout());
		contentPanel.setBackground(SystemColor.menu);
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		contentPanel.setLayout(null);
		{
			JButton btnSpeicherortAuswhlen = new JButton("Image ausw\u00E4hlen");
			btnSpeicherortAuswhlen.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					JFileChooser fc = new JFileChooser();
					fc.setFileSelectionMode(JFileChooser.FILES_ONLY);

					fc.showOpenDialog(getParent());
					File file = fc.getSelectedFile();
					// check if a file is selected and exists
					if (file != null) {
						// file selected
						uploadFile = file;
						filename = uploadFile.getName();
						lblPath.setText(file.getAbsolutePath());
					} else {
						// no file selected
						lblPath.setText("");
					}// end if
				}
			});

			btnSpeicherortAuswhlen.setBounds(102, 124, 173, 23);
			btnSpeicherortAuswhlen.setVerticalAlignment(SwingConstants.TOP);
			contentPanel.add(btnSpeicherortAuswhlen);
		}

		lblPath = new JLabel("");
		lblPath.addPropertyChangeListener(new PropertyChangeListener() {
			public void propertyChange(PropertyChangeEvent arg0) {
				if (lblPath.getText().isEmpty()) {
					// wenn leer, dann upload button nicht freigeben
					btnUploadStarten.setEnabled(false);
					btnUploadStarten.setText("Bitte warten");
				} else {
					// wenn leer, dann upload button nicht freigeben
					btnUploadStarten.setEnabled(true);
					btnUploadStarten.setText("Upload auf Server starten");
				}
			}
		});
		lblPath.setHorizontalAlignment(SwingConstants.LEFT);
		lblPath.setBounds(102, 158, 485, 23);
		contentPanel.add(lblPath);

		btnUploadStarten.setEnabled(false);
		btnUploadStarten.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				buttonUploadActionPerformed(arg0);

			}
		});

		btnUploadStarten.setBounds(102, 200, 173, 23);
		contentPanel.add(btnUploadStarten);

		progressBar = new JProgressBar(0, 100);
		progressBar.setStringPainted(true);

		progressBar.setBounds(102, 234, 485, 30);
		contentPanel.add(progressBar);

		JLabel lblUploadgeschwindigkeit = new JLabel("Uploadgeschwindigkeit:");
		lblUploadgeschwindigkeit.setBounds(102, 275, 141, 14);
		contentPanel.add(lblUploadgeschwindigkeit);

		JLabel label_1 = new JLabel("Fertig:");
		label_1.setBounds(102, 325, 46, 14);
		contentPanel.add(label_1);

		labelfertig = new JLabel("0");
		labelfertig.setHorizontalAlignment(SwingConstants.LEFT);
		labelfertig.setBounds(183, 325, 108, 14);
		contentPanel.add(labelfertig);

		UpSpeed = new JLabel("0");
		UpSpeed.setHorizontalAlignment(SwingConstants.LEFT);
		UpSpeed.setBounds(374, 275, 117, 14);
		contentPanel.add(UpSpeed);

		JLabel label_4 = new JLabel("von:");
		label_4.setBounds(318, 325, 46, 14);
		contentPanel.add(label_4);

		labelfilesize = new JLabel("0");
		labelfilesize.setHorizontalAlignment(SwingConstants.LEFT);
		labelfilesize.setBounds(374, 325, 117, 14);
		contentPanel.add(labelfilesize);

		JLabel label_6 = new JLabel("Verbleibend:");
		label_6.setBounds(102, 350, 71, 14);
		contentPanel.add(label_6);

		JLabel label_7 = new JLabel("Gesch\u00E4tzte Verbleibende Zeit:");
		label_7.setBounds(102, 300, 150, 14);
		contentPanel.add(label_7);

		labelZeit = new JLabel("0");
		labelZeit.setHorizontalAlignment(SwingConstants.LEFT);
		labelZeit.setBounds(374, 300, 117, 14);
		contentPanel.add(labelZeit);

		labelverbleibend = new JLabel("0");
		labelverbleibend.setHorizontalAlignment(SwingConstants.LEFT);
		labelverbleibend.setBounds(183, 350, 108, 14);
		contentPanel.add(labelverbleibend);

		JPanel panel = new JPanel();
		panel.setLayout(null);
		panel.setBackground(SystemColor.menu);
		panel.setBounds(10, 11, 577, 57);
		contentPanel.add(panel);

		JLabel lblUploadIhresImage = new JLabel("Upload Ihres Image");
		lblUploadIhresImage.setFont(new Font("Tahoma", Font.BOLD, 18));
		lblUploadIhresImage.setBounds(10, 11, 509, 22);
		panel.add(lblUploadIhresImage);

		JTextPane txtpnFhreSieBitte = new JTextPane();
		txtpnFhreSieBitte
				.setText("F\u00FChre Sie bitte die folgenden 3 Schritte aus um Ihr Image auf unseren Server zu laden.");
		txtpnFhreSieBitte.setEditable(false);
		txtpnFhreSieBitte.setBackground(SystemColor.menu);
		txtpnFhreSieBitte.setBounds(10, 36, 509, 32);
		panel.add(txtpnFhreSieBitte);

		JSeparator separator = new JSeparator();
		separator.setBounds(0, 79, 597, 2);
		contentPanel.add(separator);

		JLabel lblNewLabel_1 = new JLabel("Hauptmen\u00FC");
		lblNewLabel_1.setForeground(Color.BLUE);
		lblNewLabel_1.setBounds(20, 88, 61, 20);
		contentPanel.add(lblNewLabel_1);

		JLabel label_3 = new JLabel(">");
		label_3.setBounds(80, 91, 14, 14);
		contentPanel.add(label_3);

		JLabel lblVlimage = new JLabel("VL-Image");
		lblVlimage.setForeground(Color.BLUE);
		lblVlimage.setBounds(91, 88, 46, 20);
		contentPanel.add(lblVlimage);

		JLabel label_5 = new JLabel(">");
		label_5.setBounds(139, 91, 14, 14);
		contentPanel.add(label_5);

		JLabel lblNeubearbeiten = new JLabel("Neu");
		lblNeubearbeiten.setBounds(149, 91, 108, 14);
		contentPanel.add(lblNeubearbeiten);

		JSeparator separator_1 = new JSeparator();
		separator_1.setBounds(0, 627, 597, 2);
		contentPanel.add(separator_1);

		JButton btnCopyFileTo = new JButton("Copy File to Prod");
		btnCopyFileTo.setEnabled(false);
		btnCopyFileTo.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				try {
					System.out.println("Copying file to " + user.path + "/"
							+ uploadFile.getName());
					client.startFileCopy(user.path + "/" + uploadFile.getName());
				} catch (TException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
					JOptionPane.showMessageDialog(null,
							e1.getCause()+"\n"+e1.getMessage(),
							"Debug-Message", JOptionPane.ERROR_MESSAGE);
				}
			}
		});
		btnCopyFileTo.setBounds(102, 375, 173, 23);
		contentPanel.add(btnCopyFileTo);

		JLabel lblSchritt_1 = new JLabel("Schritt 1:");
		lblSchritt_1.setBounds(24, 128, 57, 14);
		contentPanel.add(lblSchritt_1);

		JLabel lblSchritt_2 = new JLabel("Schritt 2:");
		lblSchritt_2.setBounds(24, 204, 57, 14);
		contentPanel.add(lblSchritt_2);

		JLabel lblSchritt_3 = new JLabel("Schritt 3:");
		lblSchritt_3.setBounds(20, 423, 57, 14);
		contentPanel.add(lblSchritt_3);

		JLabel lblKlickenSieAuf = new JLabel(
				"Klicken Sie auf \"Fertigstellen\".");
		lblKlickenSieAuf.setBounds(98, 423, 241, 14);
		contentPanel.add(lblKlickenSieAuf);
		{
			JPanel buttonPane = new JPanel();
			buttonPane.setBackground(UIManager.getColor("Button.background"));
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{
				finishButton.setEnabled(false);
				finishButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent e) {
						writeData();
						dispose();
						MainMenue_GUI m = new MainMenue_GUI();
						m.setVisible(true);
						if (taskrun == true) {
							try {
								client.DeleteFtpUser(user.userName);
								thrift.closeThriftConnection();
							} catch (TException e1) {
								// TODO Auto-generated catch block
								e1.printStackTrace();
								JOptionPane.showMessageDialog(null,
										e1.getCause()+"\n"+e1.getMessage(),
										"Debug-Message", JOptionPane.ERROR_MESSAGE);
							}
							task.cancel(true);
						}

					}
				});

				btnZurck.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent e) {
						dispose();
						thrift.closeThriftConnection();
						CreateImageTechnisch_GUI m = new CreateImageTechnisch_GUI();
						m.setVisible(true);
					}
				});
				btnZurck.setActionCommand("Cancel");
				buttonPane.add(btnZurck);
				finishButton.setActionCommand("Cancel");
				buttonPane.add(finishButton);
			}
		}

		JMenuBar menuBar = new JMenuBar();
		setJMenuBar(menuBar);

		JMenu mnHillfe = new JMenu("Hillfe");
		menuBar.add(mnHillfe);
		setVisible(true);

	}

	private void buttonUploadActionPerformed(ActionEvent event) {

		progressBar.setValue(0);
		btnUploadStarten.setEnabled(false); // verhindert einen weiteren klick
		btnUploadStarten.setText("Bitte warten");

		try {
			user = client.getFtpUser();
			System.out.println("FTP name" + user.userName);
			System.out.println("FTP path" + user.path);
			System.out.println("FTP pass" + user.password);
		} catch (TException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			JOptionPane.showMessageDialog(null,
					e.getCause()+"\n"+e.getMessage(),
					"Debug-Message", JOptionPane.ERROR_MESSAGE);
		}
		DateFormat formatter = new SimpleDateFormat("yyyMMddhhmmss");

		System.out.println(formatter.format(new Date()) + "_"
				+ person.verantwortlicher.getHochschule() + "_"
				+ person.verantwortlicher.getUsername() + "_"
				+ Image.image.getImagename() + ".vmdk");
		Image.image.setNewName(formatter.format(new Date()) + "_"
				+ person.verantwortlicher.getHochschule() + "_"
				+ person.verantwortlicher.getUsername() + "_"
				+ Image.image.getImagename() + ".vmdk");
		task = new UploadTask(host, port, user.userName, user.password,
				user.path, uploadFile);

		task.addPropertyChangeListener(this);
		task.execute();
		taskrun = true;

	}

	public void propertyChange(PropertyChangeEvent arg0) {
		progress = 0;
		if ("progress" == arg0.getPropertyName()) {
			progress = (Integer) arg0.getNewValue();
			progressBar.setValue(progress);
			
			// Button zum Fertigstellen freischalten, wenn 100% erreicht sind
			if (progress == 0 || progress == 100) {
				// not uploading currently
				btnZurck.setEnabled(true);
			} else {
				// currently uploading, don't let user interact
				btnZurck.setEnabled(false);
			}

			// Fertigstellen erlauben wenn upload abgeschlossen
			if (progress == 100) {
				finishButton.setEnabled(true);
			} else {
				finishButton.setEnabled(false);
			}

		}

		

		if ("speed" == arg0.getPropertyName()) {
			speed = (double) arg0.getNewValue();
			// if(speed<=1){

			UpSpeed.setText(String.valueOf(speed).substring(0,
					String.valueOf(speed).lastIndexOf(".") + 3)
					+ " MB/s");

		}
		if ("bytesread" == arg0.getPropertyName()) {
			bytesread = (long) arg0.getNewValue();
			labelfertig.setText((bytesread / 1024 / 1024) + " MB");
			labelverbleibend
					.setText(((filesize / 1024 / 1024) - (bytesread / 1024 / 1024))
							+ " MB");

			labelZeit
					.setText(String
							.valueOf(
									((((filesize / 1024 / 1024) - (bytesread / 1024 / 1024)) / speed) / 60) + 1)
							.substring(
									0,
									String.valueOf(
											(((filesize / 1024 / 1024) - (bytesread / 1024 / 1024)) / speed) / 60)
											.lastIndexOf("."))
							+ " Minuten");

		}
		if ("filesize" == arg0.getPropertyName()) {
			filesize = (long) arg0.getNewValue();
			labelfilesize.setText((filesize / 1024 / 1024) + " MB");

		}

	}

	public boolean writeData() {

		try {

			client.writeVLdata(Image.image.getImagename(),
					person.verantwortlicher.getUsername(),
					person.verantwortlicher.getVorname(),
					person.verantwortlicher.getName(),
					person.verantwortlicher.getHochschule(),
					person.verantwortlicher.getEMail(),
					person.verantwortlicher.getTel(),
					person.verantwortlicher.getFakultät(),
					Image.image.isLicensed(), Image.image.isInternet(),
					Image.image.getRam(), Image.image.getCpu(),
					"/srv/openslx/nfs/temp/" + Image.image.getNewName());
		} catch (TException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			JOptionPane.showMessageDialog(null,
					e.getCause()+"\n"+e.getMessage(),
					"Debug-Message", JOptionPane.ERROR_MESSAGE);
			return false;
		}
		return true;

	}
}