import java.awt.GridLayout;
import javax.swing.JFrame;
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
import java.io.*;
import java.util.Scanner;
import java.util.Arrays;
import javax.swing.JComboBox;


public class Lab8 extends JPanel
{
  private JRadioButton occurrence, alphabetical; //radio buttons
  private JPanel text;
  private JComboBox input;
  private JLabel label, file1,file2, unique, unique2;
  private JButton load, go,go2;
  private CountList<SuperString> words;         // ordered list occurence
  private OrderedLinkedList<SuperString> words2; //ordered list aplphabetically
  private String filename;
  private int width = 450;
  private int height = 550;
  private TextArea textarea,textarea2;
  Scanner scan;

  public Lab8()
  {
    ButtonListener listener = new ButtonListener();
    Integer [] select = {1,2,3,4};
    input = new JComboBox(select);
    text = new JPanel(new GridLayout(1,2));
    go = new JButton("Select Text File 1: ");
    go2 = new JButton("Select Text File 2: ");
    label = new JLabel("N: " );
    unique = new JLabel("");
    unique2 = new JLabel("");
    file1 = new JLabel("");
    file1.setFont(new Font("Helvetica",Font.PLAIN,24));
    unique.setFont(new Font("Helvetica",Font.PLAIN,24));
    file2 = new JLabel("");
    file2.setFont(new Font("Helvetica",Font.PLAIN,24));
    unique2.setFont(new Font("Helvetica",Font.PLAIN,24));

    occurrence= new JRadioButton("Occurence");
    occurrence.setMnemonic(KeyEvent.VK_O);
    occurrence.addActionListener(listener);
    occurrence.setSelected(true);


    alphabetical = new JRadioButton("Alphabetical");
    alphabetical.setMnemonic(KeyEvent.VK_A);
    alphabetical.addActionListener(listener);

    ButtonGroup group = new ButtonGroup(); //grouping RadioButtons
    group.add(occurrence);
    group.add(alphabetical);

    go.addActionListener(listener);
    go2.addActionListener(listener);
    input.addActionListener(listener);

    textarea = new TextArea("",0,0,TextArea.SCROLLBARS_VERTICAL_ONLY);
    textarea2 = new TextArea("",0,0,TextArea.SCROLLBARS_VERTICAL_ONLY);
    textarea.setFont(new Font("Helvetica",Font.PLAIN,24));
    textarea2.setFont(new Font("Helvetica",Font.PLAIN,24));
    textarea.setPreferredSize(new Dimension(width,height));
    textarea2.setPreferredSize(new Dimension(width,height));
    setPreferredSize(new Dimension(1000,700));
    text.add(textarea);
    text.add(textarea2);
    add(occurrence);
    add(alphabetical);
    add(label);
    add(input);
    add(go);
    add(file1);
    add(unique);
    add(go2);
    add(file2);
    add(unique2);
    add(text);

    textarea.setText("No File Selected");
    textarea2.setText("No File Selected");


  }
    public class ButtonListener implements ActionListener //makes buttons do things
    {
      JFileChooser chooser = new JFileChooser("../Text");


      public void actionPerformed(ActionEvent event)
      {
       Integer N = input.getSelectedIndex()+1;       // for N

 if(event.getSource() == go)     /when Gobutton is pushed, launches file chooser
      {

        int returnvalue = chooser.showOpenDialog(null);

    if(returnvalue == JFileChooser.APPROVE_OPTION)
    {
      try
      {
        File file = chooser.getSelectedFile();
        String text1= file.getName();
        file1.setText(text1);
        filename = file.getName();
        System.err.println(filename);
        scan = new Scanner(file);

      }
      catch (IOException e)
      {
        System.err.println("IO EXCEPTION");
        return;
      }
    }
    else
    {
      return;
    }

     String[] storage = new String[N];
    words = new CountLinkedList<SuperString>();
    words2 = new OrderedLinkedList<SuperString>();
   for(int i=1;i<N;i++)
     storage[i] = scan.next().toLowerCase().replace(",","").replace(".","");

    while(scan.hasNext())   //loads txt file into array for sorting
    {
      for(int i=0;i<=N-2;i++)
        storage[i] = storage[i+1];
      storage[N-1] = scan.next().toLowerCase();
      storage[N-1] = storage[N-1].replace(",","").replace(".","");
      SuperString ss = new SuperString(storage);
      SuperString ss2= new SuperString(storage);
      words.add(ss );
      words2.add(ss2 );
    }
    scan.close();
    textarea.setText("");
    textarea.append("    "+filename+" has wordcount: "+words.size()+
      "n-------------------------nn");

    SuperString[] ss = new SuperString[words.size()];
    SuperString[] ss2 = new SuperString[words2.size()];
    int i=0;
    int count =0, count2= 0;


    for(SuperString word: words)
    {
      ss[i] = word;
      i++;
    }
    int j=0;
    for(SuperString word: words2)
    {
      ss2[j] = word;
      j++;
    }



    Arrays.sort(ss, new SuperStringCountOrder());

    if(event.getSource() ==(occurrence))
    {
    for(SuperString word : ss)
    {
      count++;
        textarea.append(count+"   "+ "  "+word+"n");
    }
    }
    if(event.getSource() == (alphabetical))
    {

     for(SuperString word : ss2)
    {
       count2++;
        textarea.append(count2+"   "+ "  "+word+"n");
    }
     unique.setText("Unique Count: "+ Integer.toString(count));
        }
        }

         if(event.getSource() == go2)
      {

        int returnvalue = chooser.showOpenDialog(null);

    if(returnvalue == JFileChooser.APPROVE_OPTION)
    {
      try
      {
        File file = chooser.getSelectedFile();
        String text2= file.getName();
        file2.setText(text2);
        filename = file.getName();
        System.err.println(filename);
        scan = new Scanner(file);

      }
      catch (IOException e)
      {
        System.err.println("IO EXCEPTION");
        return;
      }
    }
    else
    {
      return;
    }

     String[] storage = new String[N];
    words = new CountLinkedList<SuperString>();
    words2 = new OrderedLinkedList<SuperString>();
   for(int i=1;i<N;i++)
     storage[i] = scan.next().toLowerCase().replace(",","").replace(".","");

    while(scan.hasNext())
    {
      for(int i=0;i<=N-2;i++)
        storage[i] = storage[i+1];
      storage[N-1] = scan.next().toLowerCase();
      storage[N-1] = storage[N-1].replace(",","").replace(".","");
      SuperString ss = new SuperString(storage);
      SuperString ss2= new SuperString(storage);
      words.add(ss );
      words2.add(ss2 );
    }
    scan.close();
    textarea2.setText("");
    textarea2.append("    "+filename+" has wordcount: "+words.size()+
      "n-------------------------nn");

    SuperString[] ss = new SuperString[words.size()];
    SuperString[] ss2 = new SuperString[words2.size()];
    int i=0;
    int count =0, count2= 0;


    for(SuperString word: words)
    {
      ss[i] = word;
      i++;
    }
    int j=0;
    for(SuperString word: words2)
    {
      ss2[j] = word;
      j++;
    }



    Arrays.sort(ss, new SuperStringCountOrder());

 //   if(event.getSource()==occurrence)
  //  {
    for(SuperString word : ss)
    {
      count++;
        textarea2.append(count+"   "+"  "+word+"n");
    }
   // }
   // else
   // {

     for(SuperString word : ss2)
    {
       count2++;
        textarea2.append(count2+"   "+ "  "+word+"n");
    }
     unique2.setText("Unique Count: "+ Integer.toString(count));
        }

      }
    }

   public static void main(String[] arg)
  {
    JFrame frame = new JFrame("Lab 8");
    frame.getContentPane().add(new Lab8());
    frame.pack();
    frame.setVisible(true);
  }
}