package org.s1gma.tutorial;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.io.FileFilter;
import java.util.Scanner;

/**
 * @author s1gma
 */
public class Notepad extends JFrame implements ActionListener {//  like it can use all the
    private JTextArea txt = new JTextArea(); // basically i had to make it local so that it could be used in more than 1 method yh i see thnx for explaining :d

    private JMenuBar newMenubar() {
        JMenuBar menubar = new JMenuBar(); //Sets up the menubar
        String[] titles = {"File", "test"};    // leave lol ok
        String[][] elements = {{"New", "Open", "Save"}, {"LOL"}};   //allready there lol ok go :d k lol
        for(int i = 0; i < titles.length; i++) { // basically loops through the menu titles
            String title = titles[i]; // selects the titles from the loop
            String[] elems = elements[i];//basically finds the menuitems for the menu
            menubar.add(newMenu(title, elems)); // adds a new menu with the title and elements, u understand? lhl yes ;d
            //Okay now we add the menu to the frame and we will boot it up

        }
        return menubar;//Returns the menubar ok
    }

    /**
     *
     * @param title The title like "File"
     * @param elements  The elements like "New", "Load", "Save"
     * @return  returns the JMenu that you make o
     */
    private JMenu newMenu(String title, String[] elements) {
        JMenu menu = new JMenu(title); //Creates a new JMenu with the title ik
        for(String element : elements) { //u understand?yes :d
            JMenuItem menuitem = new JMenuItem(element);//already told you about this :Pok
            menu.add(menuitem); // uses the add method in the JMenu class for our menu to add them menuitems yh ok :d
            menuitem.addActionListener(this);//makes it so that the menuitems respond to the actionlistenerok
        }
        return menu;
    }

    private Notepad() {
        setTitle("untitled - Notepad");  //Wanna add the title thing now? k we'll do it now
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());  //basically gives it the system themeik
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (UnsupportedLookAndFeelException e) {
            e.printStackTrace();
        }
        setSize(800, 600); // straight forward lol
        setJMenuBar(newMenubar());
        JScrollPane scroller = new JScrollPane(txt);//it has the txt(JTextArea) in it to select what its the container fork
        add(scroller); // adds the scroller which has the text area in it.ok
        //Now this is where we have to make a menubar for files, i'll show you a nice way to do menus.ok
        //what else was i going to add?scrollbar oh yeah
    }

    public static void main(String[] args) {
        new Notepad().setVisible(true);//loads and sets it visible ik :p
    }

    //This shit here is for later to make the buttons and shit work. i know :d fk don't delete this class sent over msn soon :d
    public void actionPerformed(ActionEvent actionEvent) {
        String cmd = actionEvent.getActionCommand(); // basically retrieves what you've clickedok
        if(cmd.equals("Save")) { // If the button pressed has the text "Save" on it do something inside.
            //Forgot file chooser
            JFileChooser chooser = new JFileChooser(); // sets up the file choosing dialog. ok
            int option = chooser.showSaveDialog(this); // Shows the save dialog and is the option for what you've clicked
            if(option == JFileChooser.APPROVE_OPTION) {   //if you've pressed the ok or save button or w/e do somethingok
                 //also stop pressing o when i press control, it's frustrating l0lklol
                try {
                    BufferedWriter buf = new BufferedWriter(new FileWriter(chooser.getSelectedFile().getAbsolutePath()));
                    //^ Basically the bufferedwriter is something used for writing to a file along with filewriter
                    // yeah and the chooser.getSelectedFile().getAbsolutePath() basically finds the place in the filechooserik
                    //and writes to it.
                    buf.write(txt.getText()); // basically this gets the text in the text area and writes it to the file
                    setTitle(chooser.getSelectedFile().getName()); //this basically gets the file name in the chooser. rofl thisi s easy lol :d thnx, i told you it wasnt hard :Pyh
                    buf.close(); // closes the stream for memory purposesk, now we can run it
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        } else if(cmd.equals("Open")) {
            JFileChooser chooser = new JFileChooser(); // filechooser object
            chooser.setFileFilter(new Filter());
            int option = chooser.showOpenDialog(this); // same as before but with open this time. ok w8
            if(option == JFileChooser.APPROVE_OPTION) {
                try {
                    Scanner scanner = new Scanner(chooser.getSelectedFile()); // gets the selected file from chooser
                    while(scanner.hasNext()) { // When the scanner still has stuff to read, do something
                        String data = scanner.nextLine(); // Read lines inside the scanner
                        txt.setText(data); // Puts the data it read from the file into the text area.k
                    }
                    setTitle(chooser.getSelectedFile().getName());
                    //Problem is i havent used file filter in a while so i mite do something wrong. ok
                    scanner.close(); // close the scanner for memory purposes.
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    class Filter extends javax.swing.filechooser.FileFilter implements FileFilter {

        public boolean accept(File file) {
            return file.getName().endsWith(".txt") || file.getName().endsWith(".java");
        }

        @Override
        public String getDescription() {
            return "Text File (.txt)";
        }
    }
}