import java.lang.*;
import java.io.*;
import java.util.*;
import javax.swing.*;

class HangManType
{
    // Variables
    public String word;        // The word
    public int numRight;       // Number of correct guesses
    public int numWrong;       // Number of incorrect guesses
    public String guessed;     // The letters already guessed
    
    // Methods
    public HangManType() 
    { 
        this.word = "";
        this.numRight = 0;
        this.numWrong = 0;
        this.guessed = "";
    }
    
    void reset() 
    {   // Reset all the values in the object
        this.word = "";
        this.guessed = "";
        this.numRight = 0;
        this.numWrong = 0;
    }
}

public class hangman
{
    public static void getMove( HangManType game )
    {
        String s = "";   // User's choice
        InputStreamReader inStream = null;
        BufferedReader in = null;
        // Primpt for a letter
        try
        {
            inStream = new InputStreamReader( System.in );
            in = new BufferedReader( inStream );
            System.out.print( "Your letter: " );
            s = in.readLine( );
            s = s.substring( 0, 1 ); // Read only one character
        } // try
        catch ( IOException e )
        {
            System.out.println( "Severe problem with System.in!" + e );
            System.exit( 1 );
        } // catch
            
       
        while ( game.guessed.contains( s ) )
        {   // Keep asking until a valid choice is entered
            System.out.println( "You have already guessed " + s + ", please try again!" );
            try
            {
                inStream = new InputStreamReader( System.in );
                in = new BufferedReader( inStream );
                System.out.print( "Your letter: " );
                s = in.readLine( );
                s = s.substring( 0, 1 ); // Read only one character
            } // try
            catch ( IOException e )
            {
                System.out.println( "Severe problem with System.in!" + e );
                System.exit( 1 );
            } // catch
            }
        game.guessed += s;   // Add the choice to the list of guessed letters
    
        // Increase the proper guess counter
        if ( game.word.contains( s ) )
            game.numRight++;
        else
            game.numWrong++;
    }

    public static void drawGallows( int numWrong )
    {
        System.out.println( " ___" );  
        System.out.print(   "|   | \n|" );
        if (numWrong >= 1) 
            System.out.print( "   o " );
    
        System.out.print( "\n|" );
    
        if (numWrong >= 2) 
            System.out.print( "  /" );
        if (numWrong >= 3) 
            System.out.print( "|" );
        if (numWrong >= 4) 
            System.out.print( "\\" );
    
        System.out.print( "\n|" );
    
        if (numWrong >= 5) 
            System.out.print( "  /" );
        if (numWrong >= 6) 
            System.out.print( " \\" );

        System.out.println( "\n|" );
        System.out.println( "|_________\n" );
    }

    public static String pickWord( String[] words )
    {
        String[] buff = new String[ words.length -1 ];
        
        String result = "";
        Random r1 = new Random( );
        int rValue = r1.nextInt( words.length );
        int index = 0;
        
        for ( index = 0; index < rValue; index++ );
        
        result = words[index];
        
        for ( int i = 0; i < words.length; i++ )
        {
            if ( i < index )
                buff[ i ] = words[ i ];
            else if ( i > index )
                buff[ i -1 ] = words[ i ]; 
        }
        words = buff;
        buff = null;
        
        return result;
    }

    public static void cls()
    {
        String ESC = "\033[";
        System.out.print(ESC + "2J"); 
        System.out.flush();
    }
    
    
    public static void main( String args[] )
    {
        HangManType game = new HangManType();           // The game object
        String[] words = null;             // Words list
        RandomAccessFile in = null; // File reader
        String s;                   // Input buffer
        String playAgain = "y";       // Loop trigger
        int numWords = 0;           // Number of words (lines) in the file
        int lines = 0;
        InputStreamReader inStream = null;
        BufferedReader inReader = null;
            
        // Get the number of lines in the file
        try
        {
            in = new RandomAccessFile( "hangman.java", "r" );
            while( in.readLine() != null )
                lines++;
            in.close();
            
            in = new RandomAccessFile( "words.txt", "r" );
            // Get the length of the file
            s = in.readLine();
            while ( s != null )
            {
                numWords++;
                s = in.readLine();
            }
            
            words = new String[ numWords ]; // Create the word buffer
            in.seek( 0 );   // Go back to the start of the file
            
            // Load the array
            s = in.readLine();
            for (int i = 0; i < numWords; i++)
            {
                words[ i ] = s;
                s = in.readLine();
            }
            
            // Close the file
            in.close();
            
        } catch( IOException e ) { System.out.println( "Error reading file!" ); };
        
        while ( playAgain.equalsIgnoreCase( "y" ) )
        {
            game.reset();
            game.word = pickWord( words );  // Select a word from the array
        
            while ( (game.numWrong < 6) && ( game.numRight < game.word.length()) ) 
            {   // Play until the user guesses the word or makes 6 mistakes
                //System( "clear" );
                cls();
                System.out.println( "Java Hangman (Array Based)\nLines of code: " + lines 
                        + "\nRemaining words: " + words.length + "\n\n" );
                drawGallows( game.numWrong );
                for ( int i = 0; i < game.word.length(); i++ )
                {
                    if ( game.guessed.contains( "" + game.word.charAt( i ) ) )
                        System.out.print( game.word.charAt( i ) + " " );
                    else
                        System.out.print( "_ " );
                }
                System.out.println( "\nYou have guessed: " + game.guessed );
        
                getMove( game );
            }
            
            //system( "clear" );
            cls();
                System.out.println( "Java Hangman (Array Based)\nLines of code: " + lines 
                        + "\nRemaining words: " + words.length + "\n\n" );
            drawGallows( game.numWrong );
        
            if ( game.numWrong >= 6 )
            {
                System.out.println( "The word was: " + game.word + "\nY o u  L o s e !\nYou made " 
                        + (game.numWrong + game.numRight) + " guesses." );
            }
            else
            {
                System.out.println( "The word was: " + game.word + "\nY o u  W i n !\nYou made " 
                        + (game.numRight + game.numWrong) + " guesses." );
            }
            
            try
            {
                inStream = new InputStreamReader( System.in );
                inReader = new BufferedReader( inStream );
                System.out.print( "Play Again (Y/N)? " );
                playAgain = inReader.readLine( );
                playAgain = playAgain.substring( 0, 1 ); // Read only one character
            } // try
            catch ( IOException e )
            {
                System.out.println( "Severe problem with System.in!" + e );
                System.exit( 1 );
            } // catch
            
            
        }
    }
}