package de.marcelkapfer.c.morseconverter;

/*
    This is a Java application for converting writtenMorse and normal morse code.
    Copyright (C) 2014-2015  Marcel Michael Kapfer

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

    Marcel Michael Kapfer
    marcelmichaelkapfer@yahoo.co.nz

 */

import de.marcelkapfer.c.morseconverter.engine.DecodeNormalMorseManager;
import de.marcelkapfer.c.morseconverter.engine.DecodeWrittenMorseManager;
import de.marcelkapfer.c.morseconverter.engine.EncodeNormalMorseManager;
import de.marcelkapfer.c.morseconverter.engine.EncodeWrittenMorseManager;
import de.marcelkapfer.c.morseconverter.intelligentCodeRecognization.NormalMorseCodeRecognization;
import de.marcelkapfer.c.morseconverter.intelligentCodeRecognization.WrittenMorseCodeRecognization;
import de.marcelkapfer.c.morseconverter.update.Update;
import de.marcelkapfer.c.morseconverter.update.UpdateDialog;

import javax.swing.*;
import javax.swing.text.BadLocationException;
import javax.swing.text.Element;
import javax.swing.text.html.HTMLDocument;
import javax.swing.text.html.HTMLEditorKit;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.io.IOException;
import java.util.ResourceBundle;

public class Main extends JFrame {

    // Version numbers for update check
    public static final int currentVersion = 191;
    public static int latestVersion = currentVersion;

    public static ResourceBundle resourceBundle = ResourceBundle.getBundle("de.marcelkapfer.c.morseconverter.text");
    public JTabbedPane morseConverterPane;
    private JPanel panel1;
    private JTextArea inputAreaWrittenMorse;
    private JTextArea outputAreaWrittenMorse;
    private JTextArea inputAreaNormalMorse;
    private JTextArea outputAreaNormalMorse;
    private JButton updateDialogButton;
    private JLabel updateAvailable;
    private JTextPane aboutText;

    // Contains mainly listeners
    public Main() {
        HTMLEditorKit htmlEditorKit = new HTMLEditorKit();
        HTMLDocument htmlDocument = (HTMLDocument) htmlEditorKit.createDefaultDocument();
        Element element = htmlDocument.getDefaultRootElement();
        try {
            htmlDocument.setInnerHTML(element, resourceBundle.getString("about"));
        } catch (BadLocationException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        aboutText.setDocument(htmlDocument);
        // Listener for the writtenMorse input field
        inputAreaWrittenMorse.addKeyListener(new KeyAdapter() {
            @Override
            public void keyReleased(KeyEvent e) {
                instantWrittenMorseConvert();
            }
        });
        // Listener for the normal Morse input field
        inputAreaNormalMorse.addKeyListener(new KeyAdapter() {
            @Override
            public void keyReleased(KeyEvent e) {
                instantNormalMorseConvert();
            }
        });

        // Trying to read a file from a server
        latestVersion = Update.getLatestVersion("http://lab.marcel-kapfer.de/writtenmorse/desktop/version.txt", currentVersion);

        if (currentVersion < latestVersion){
            JOptionPane.showMessageDialog(null, resourceBundle.getString("updateAvailable"));
            updateAvailable.setVisible(true);
            updateDialogButton.setText(resourceBundle.getString("aboutUpdateAvailableButton"));
        }

        updateDialogButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                updateDialog();
            }

        });
    }
    // The holy main method
    public static void main(String[] args){
        // Tries to present the app in an native look
        try{
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e){
            e.printStackTrace();
        }
        // Starting the application
        JFrame main = new JFrame("Main");
        main.setContentPane(new Main().morseConverterPane);
        main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        // Title
        main.setTitle(resourceBundle.getString("title"));
        main.pack();
        // Window position and Size
        main.setBounds(100, 100, 800, 400);
        main.setIconImage(Toolkit.getDefaultToolkit().getImage(Main.class.getResource("/res/icon-xxxhdpi.png")));
        // MAKE IT HAPPEN :D
        main.setVisible(true);
        System.out.print(System.lineSeparator());
    }

    // Method for converting writtenMorse
    private void instantWrittenMorseConvert(){
        // Gets the text from the input field
        String input = inputAreaWrittenMorse.getText();
        // checks if the code is a writtenMorse code
        if(WrittenMorseCodeRecognization.isCode(input)) {
            // converts the code into normal letters
            outputAreaWrittenMorse.setText(EncodeWrittenMorseManager.getEncodedString(input));
        } else {
            // converts the code into writtenMorse
            outputAreaWrittenMorse.setText(DecodeWrittenMorseManager.getDecodedString(input));
        }
    }

    // Method for converting normal Morse
    private void instantNormalMorseConvert(){
        // Gets the text from the input field
        String input = inputAreaNormalMorse.getText();
        // checks if the code is a normal Morse code
        if(NormalMorseCodeRecognization.isCode(input)){
            // converts the code into normal letters
            outputAreaNormalMorse.setText(EncodeNormalMorseManager.getEncodedString(input));
        } else {
            // converts the code into writtenMorse
            outputAreaNormalMorse.setText(DecodeNormalMorseManager.getDecodedString(input));
        }
    }

    private void updateDialog() {
        UpdateDialog.main(null);
    }

}