path: root/src/main/java/Main.java

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;

import org.jaudiotagger.audio.AudioFile;
import org.jaudiotagger.audio.AudioFileIO;
import org.jaudiotagger.tag.FieldKey;
import org.jaudiotagger.tag.Tag;
import org.jaudiotagger.tag.datatype.Artwork;

import javax.swing.*;
import javax.swing.text.DefaultCaret;


public class Main extends JFrame {
    String textPath = "";
    String formats[] = {"maxresdefault.jpg", "mqdefault.jpg", "hqdefault.jpg"};

    JPanel panel = new JPanel();
    JScrollPane scrollPane;
    JButton songsGen = new JButton("Generate text file");
    JButton editButton = new JButton("Edit Tags");
    JButton startButton = new JButton("Set .txt File");
    JCheckBox defaultFileBox = new JCheckBox("Use Default songs.txt file");
    JCheckBox useBlacklistBox = new JCheckBox("Use Blacklist.txt");
    JProgressBar progressBar = new JProgressBar();
    static JTextArea outputArea = new JTextArea("");
    JLabel title = new JLabel("YouTube to MP3 Auto Tagging [1]");

    int progress = 0;
    Boolean useBlacklist = false;
    Boolean readyState = false;
    Boolean useDefault = false;
    FileUtility fileUtil = new FileUtility();

    public Main() {
        initializeComponents();
        initializeActionsListeners();
        createDirectories();
    }

    public static void main(String[] args) {
        new Main().setVisible(true);
    }

    private void downloadAndTag() {
        ArrayList<String> songs = fileUtil.txtToArrayList(textPath);
        progress = 0;
        String timeAppend = "";
        boolean partFlag = false;
        for (int i = 0; i < songs.size(); i++) {
            try {
                fileUtil.deleteAllFilesDir("downloaded");
                ArrayList<String> splitStamp = null;
                try {
                    splitStamp = new ArrayList<>(Arrays.asList(songs.get(i).split(",")));
                } catch (Exception e) {

                }
                if (splitStamp.size() >= 2) {
                    timeAppend = youtubeToMP3Part(splitStamp.get(0), splitStamp.get(1));
                    partFlag = true;
                } else {
                    youtubeToMP3Full(songs.get(i));
                }

                String info[] = fileUtil.parseJson(fileUtil.jsonToString(fileUtil.findJsonFile("downloaded"))); //title,uploader
                String uploader = info[1];
                String title = info[0];
                if (useBlacklist) {
                    System.out.println("Using blacklist");
                    uploader = fileUtil.removeBlacklist(uploader, "blacklist.txt");
                    title = fileUtil.removeBlacklist(title, "blacklist.txt");
                }
                AudioFile f = AudioFileIO.read(fileUtil.findMP3File("downloaded"));
                Tag tag = f.getTag();
                System.out.println("Uploader: " + uploader);
                System.out.println("Title: " + title);
                tag.setField(FieldKey.ARTIST, uploader);
                tag.setField(FieldKey.TITLE, title);
                fileUtil.downloadImage("https://img.youtube.com/vi/" + info[2] + "/", "img.jpg", formats);
                Artwork cover = Artwork.createArtworkFromFile(new File("img.jpg"));
                tag.addField(cover);
                f.commit();
                fileUtil.deleteFile("img.jpg");
                if (partFlag) {
                    fileUtil.moveFile(fileUtil.findMP3File("downloaded").getAbsolutePath(), "completed/"
                            + fileUtil.removeNonAlphaNumeric(info[0]) +
                            " [" + info[2] + "]" + timeAppend + ".mp3");
                } else {
                    fileUtil.moveFile(fileUtil.findMP3File("downloaded").getAbsolutePath(), "completed/" +
                            fileUtil.removeNonAlphaNumeric(info[0]) + " [" + info[2] + "].mp3");
                }
                outputArea.setText(outputArea.getText() + "\n" + "Moved file to Completed Folder");
                progress = i;
                System.out.println("Current Progress " + calculatePercentage(i + 1, songs.size()));
                progressBar.setValue(calculatePercentage(i + 1, songs.size()));
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    private int calculatePercentage(int current, int total) {//Calculate the percentage when give numerator and denominator
        double currentD = current;
        double totalD = total;
        return (int) ((currentD / totalD) * 100);
    }

    public static void youtubeToMP3Full(String url) {//Download mp3 of youtube video using yt-dlp.exe. Ran from cmd
        try {

            ProcessBuilder builder = new ProcessBuilder(
                    "yt-dlp.exe",
                    "-vU",
                    "--extract-audio",
                    "--audio-format", "mp3",
                    "--audio-quality", "0",
                    "--output", "downloaded/%(title)s_%(id)s.mp3",
                    "--ffmpeg-location", "ffmpeg.exe",
                    "--write-info-json",
                    url
            );
            builder.redirectErrorStream(true);
            Process p = builder.start();
            relayConsole(p);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, "An Error occured while downloading using" +
                    " yt-dlp", "Error", JOptionPane.ERROR_MESSAGE);
            e.printStackTrace();
        }

    }

    public static String youtubeToMP3Part(String url, String stamp) { //Download mp3 of youtube video using yt-dlp.exe. Ran from cmd
        System.out.println(url + " " + stamp);
        ArrayList<String> times = new ArrayList<>(Arrays.asList(stamp.split("-")));
        ArrayList<String> startTimeComponents = new ArrayList<>(Arrays.asList(times.get(0).split(":")));
        ArrayList<String> endTimeComponents = new ArrayList<>(Arrays.asList(times.get(1).split(":")));
        int startSec = 0;
        int endSec = 0;
        if (startTimeComponents.size() == 3) {
            startSec = Integer.parseInt(startTimeComponents.get(0)) * 60 * 60 + Integer.parseInt(startTimeComponents.get(1)) *
                    60 + Integer.parseInt(startTimeComponents.get(2));
        } else if (startTimeComponents.size() == 2) {
            startSec = Integer.parseInt(startTimeComponents.get(0)) * 60 + Integer.parseInt(startTimeComponents.get(1));
        }
        if (endTimeComponents.size() == 3) {
            endSec = Integer.parseInt(endTimeComponents.get(0)) * 60 * 60 + Integer.parseInt(endTimeComponents.get(1))
                    * 60 + Integer.parseInt(endTimeComponents.get(2));
        } else if (endTimeComponents.size() == 2) {
            endSec = Integer.parseInt(endTimeComponents.get(0)) * 60 + Integer.parseInt(endTimeComponents.get(1));
        }
        try {
            ProcessBuilder builder = new ProcessBuilder(
                    "yt-dlp.exe",
                    "-vU",
                    "--extract-audio",
                    "--audio-format", "mp3",
                    "--audio-quality", "0",
                    "--output", "downloaded/%(title)s_%(id)s.mp3",
                    "--ffmpeg-location", "ffmpeg.exe",
                    "--write-info-json", "--download-sections", "\"*" + startSec + "-" + endSec + "\"",
                    "--force-keyframes-at-cuts",
                    url
            );
            builder.redirectErrorStream(true);
            Process p = builder.start();
            relayConsole(p);
        } catch (Exception e) {
            JOptionPane.showMessageDialog(null, "An Error occured while downloading using" +
                    " yt-dlp", "Error", JOptionPane.ERROR_MESSAGE);
            e.printStackTrace();
        }
        return startSec + "to" + endSec;
    }


    private void initializeComponents() {//Initiate GUI components
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        this.setLocationRelativeTo(null);
        this.add(panel);
        panel.setLayout(new BoxLayout(panel, BoxLayout.PAGE_AXIS));
        scrollPane = new JScrollPane(outputArea);
        scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
        outputArea.setEditable(true);
        outputArea.setLineWrap(true);
        DefaultCaret caret = (DefaultCaret) outputArea.getCaret();
        caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
        panel.add(Box.createRigidArea(new Dimension(0, 5)));
        panel.setBorder(BorderFactory.createEmptyBorder(25, 10, 20, 10));
        startButton.setAlignmentX(CENTER_ALIGNMENT);
        title.setAlignmentX(Component.CENTER_ALIGNMENT);
        defaultFileBox.setAlignmentX(Component.CENTER_ALIGNMENT);
        useBlacklistBox.setAlignmentX(Component.CENTER_ALIGNMENT);
        editButton.setAlignmentX(Component.CENTER_ALIGNMENT);
        songsGen.setAlignmentX(Component.CENTER_ALIGNMENT);
        progressBar.setStringPainted(true);
        title.setFont(new Font("Verdana", Font.PLAIN, 14));
        panel.add(title);
        panel.add(Box.createVerticalStrut(10));
        panel.add(progressBar);
        panel.add(Box.createVerticalStrut(10));
        panel.add(startButton);
        panel.add(defaultFileBox);
        panel.add(Box.createVerticalStrut(8));
        panel.add(scrollPane);
        panel.add(Box.createVerticalStrut(5));
        panel.add(editButton);
        panel.add(useBlacklistBox);
        panel.add(Box.createVerticalStrut(8));
        this.setSize(550, 450);
        this.setTitle("YTMP3Tagger");

    }

    private void initializeActionsListeners() {//Add all actionlisteners for buttons
        defaultFileBox.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                File f = new File("songs.txt");
                if (f.exists() & !f.isDirectory() && !useDefault) {
                    System.out.println("songs found");
                    textPath = "songs.txt";
                    showWarning("Default File has been set.\nMake sure you add a new line for each URL");
                    readyState = true;
                    startButton.setText("Start Download");
                    outputArea.setText(outputArea.getText() + "\n" + "Ready to begin downloading. Press the button");
                    System.out.println("Ready to begin downloading. Press the button");
                    useDefault = true;

                } else {
                    useDefault = false;
                    readyState = false;
                    startButton.setText("Set .txt file");
                }
            }
        });
        useBlacklistBox.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                if (useBlacklistBox.isSelected()) {
                    useBlacklist = true;
                } else {
                    useBlacklist = false;
                }

            }
        });

        startButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                if (readyState == false) {
                    outputArea.setText(outputArea.getText() + "\n" + "txt path has not been set. Launching chooserPane");
                    System.out.println(".txt path has not been set. Launching chooserPane");
                    textPath = fileUtil.showTextFileChooser();
                    try {
                        if (!textPath.equals("")) {
                            showWarning("File has been set.\nMake sure you add a new line for each URL");
                            readyState = true;
                            startButton.setText("Start Download");
                            outputArea.setText(outputArea.getText() + "\n" + "Ready to begin downloading. Press the button");
                            System.out.println("Ready to begin downloading. Press the button");
                        }
                    } catch (Exception ex) {

                    }
                } else {
                    Runnable runnable = () -> {
                        outputArea.setText("");
                        startButton.setEnabled(false);
                        downloadAndTag();
                        startButton.setEnabled(true);

                    };
                    Thread thread = new Thread(runnable);
                    thread.start();
                }
            }
        });
        editButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new TagEditorScreen().setVisible(true);
            }
        });
        songsGen.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
            }
        });
    }

    public static void relayConsole(Process p) {
        BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String cmd_line;
        while (true) {
            try {
                cmd_line = r.readLine();
                if (cmd_line == null) {
                    break;
                }
                outputArea.setText(outputArea.getText() + "\n" + cmd_line);
                System.out.println(cmd_line);
            }
            catch (IOException e) {
                System.out.println("Error while relaying from CMD");
            }
        }
    }

    public void createDirectories(){
        File f = new File("downloaded");
        if (!f.exists()) {
            f.mkdir();
        }
        File f2 = new File("completed");
        if (!f2.exists()) {
            f2.mkdir();
        }
    }

    public static void showWarning(String message) {
        JOptionPane.showMessageDialog(null, message, "JUST YOUR FRIENDLY NEIGHBORLY REMINDER", JOptionPane.WARNING_MESSAGE);
    }


}