package GUI;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Toolkit;
import java.io.File;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.border.EmptyBorder;
import downloader.DownloadTask;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

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

	@SuppressWarnings("unused")
	private JPanel contentPane;
	private final JPanel contentPanel = new JPanel();
	JLabel lblNewLabel;
	JLabel downspeed;
	JProgressBar progressBar;
	String host="132.230.4.16";
	int port=21;
	String username="openslx";
	String password="openslx-ng";
	String downloadPath="";
	String filename="";
	static String arg="";
	DownloadTask task;
	JLabel bytesreadlbl;
	JLabel lblNewLabel_3;
	JLabel labelVerbleibend;
	long filesize;
	double speed;
	long bytesread;
	JLabel labelZeit; 
	boolean taskrun=false;
	/**
	 * Launch the application.
	 */
	/*public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					FTPDownloader frame = new FTPDownloader();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}*/

	/**
	 * Create the frame.
	 */
	public FTPDownloader(String name) {
		addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent e) {
				if(taskrun==true)
				{
				task.cancel(true);
				}
				dispose();
			}
		});
		setResizable(false);
		//setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
		
		filename=name;
		
		try {
			UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
		} catch (ClassNotFoundException | InstantiationException
				| IllegalAccessException | UnsupportedLookAndFeelException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	
		//filename=name;
		setBackground(Color.WHITE);
		setTitle("Dozentenmodul *Prototyp*");
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		int top=(screenSize.height - 603) / 2;
		int left=(screenSize.width - 250) / 2;
		setBounds(left, top, 603, 250);
		//setBounds(100, 100, 603, 250);
		getContentPane().setLayout(new BorderLayout());
		contentPanel.setBackground(Color.WHITE);
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		contentPanel.setLayout(null);
		{
			JButton btnSpeicherortAuswhlen = new JButton("Speicherort ausw\u00E4hlen");
			btnSpeicherortAuswhlen.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					JFileChooser fc=new JFileChooser();
					fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
					
					fc.showOpenDialog(getParent());
					File dir=fc.getSelectedFile();
					lblNewLabel.setText(dir.getAbsolutePath());
				}
			});

			btnSpeicherortAuswhlen.setBounds(10, 11, 141, 23);
			btnSpeicherortAuswhlen.setVerticalAlignment(SwingConstants.TOP);
			btnSpeicherortAuswhlen.setHorizontalAlignment(SwingConstants.LEFT);
			contentPanel.add(btnSpeicherortAuswhlen);
		}
		
		lblNewLabel = new JLabel("C:\\");
		lblNewLabel.setBounds(169, 11, 255, 23);
		contentPanel.add(lblNewLabel);
		
		JButton btnDownloadStarten = new JButton("Download starten");
		btnDownloadStarten.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				buttonDownloadActionPerformed(arg0);
			}
		});

		btnDownloadStarten.setBounds(10, 155, 141, 23);
		contentPanel.add(btnDownloadStarten);
		
		progressBar = new JProgressBar(0,100);
		progressBar.setStringPainted(true);

		
		progressBar.setBounds(10, 45, 577, 30);
		contentPanel.add(progressBar);
		
		JLabel lblDownloadgeschwindigkeit = new JLabel("Downloadgeschwindigkeit:");
		lblDownloadgeschwindigkeit.setBounds(10, 81, 141, 14);
		contentPanel.add(lblDownloadgeschwindigkeit);
		
		downspeed = new JLabel("0");
		downspeed.setBounds(169, 81, 95, 14);
		contentPanel.add(downspeed);
		
		JLabel lblNewLabel_1 = new JLabel("Fertig:");
		lblNewLabel_1.setBounds(10, 106, 46, 14);
		contentPanel.add(lblNewLabel_1);
		
		bytesreadlbl = new JLabel("");
		bytesreadlbl.setBounds(66, 106, 108, 14);
		contentPanel.add(bytesreadlbl);
		
		JLabel lblNewLabel_2 = new JLabel("von:");
		lblNewLabel_2.setBounds(179, 106, 46, 14);
		contentPanel.add(lblNewLabel_2);
		
		lblNewLabel_3 = new JLabel("");
		lblNewLabel_3.setBounds(235, 106, 108, 14);
		contentPanel.add(lblNewLabel_3);
		
		JLabel lblMbVerbleibend = new JLabel("Verbleibend:");
		lblMbVerbleibend.setBounds(353, 106, 71, 14);
		contentPanel.add(lblMbVerbleibend);
		
		labelVerbleibend = new JLabel("");
		labelVerbleibend.setBounds(434, 106, 108, 14);
		contentPanel.add(labelVerbleibend);
		
		JLabel lblGeschtzteVerbleibendeZeit = new JLabel("Gesch\u00E4tzte Verbleibende Zeit:");
		lblGeschtzteVerbleibendeZeit.setBounds(274, 81, 150, 14);
		contentPanel.add(lblGeschtzteVerbleibendeZeit);
		
		labelZeit = new JLabel("");
		labelZeit.setBounds(425, 81, 117, 14);
		contentPanel.add(labelZeit);
		{
			JPanel buttonPane = new JPanel();
			buttonPane.setBackground(UIManager.getColor("Button.background"));
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{
				JButton okButton = new JButton("OK");
				okButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent arg0) {
						dispose();
					}
				});
				okButton.setActionCommand("OK");
				buttonPane.add(okButton);
				getRootPane().setDefaultButton(okButton);
			}
			{
				JButton cancelButton = new JButton("Zur\u00FCck");
				cancelButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent e) {
						if(taskrun==true)
						{
						task.cancel(true);
						}
						dispose();
					}
				});
				cancelButton.setActionCommand("Cancel");
				buttonPane.add(cancelButton);
			}
		}
		setVisible(true);
		
	}
	
    private void buttonDownloadActionPerformed(ActionEvent event) {
 
        progressBar.setValue(0);
        task = new DownloadTask(host, port, username, password,downloadPath+filename, lblNewLabel.getText(), this);
        task.addPropertyChangeListener(this);
        task.execute();
        taskrun=true;

    }
    
	public void propertyChange(PropertyChangeEvent arg0) {

		
        if ("progress" == arg0.getPropertyName()) {
            int progress = (Integer) arg0.getNewValue();
            progressBar.setValue(progress);
        }
        if("speed"==arg0.getPropertyName()){
        	speed=(double)arg0.getNewValue();
        	//if(speed<=1){
        		
        		downspeed.setText(String.valueOf(speed).substring(0,String.valueOf(speed).lastIndexOf(".")+3)+" MB/s");
        		
        //	}else
        	//{
        		//double MBSpeed=speed/1024;
        		//downspeed.setText(String.valueOf((MBSpeed)).substring(0, String.valueOf(MBSpeed).indexOf(".")));
        	//}
        	
        }
        if("bytesread"==arg0.getPropertyName())
        {
        	bytesread=(long)arg0.getNewValue();
        	bytesreadlbl.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();
        	lblNewLabel_3.setText((filesize/1024/1024)+" MB");
        	
        }
		
	}
}