/**
	This program applies random html formatting to each line of a text file.
*/

import java.io.*;
import java.util.*;

public class html
{
	private static Random rand = new Random();

public static void main(String[] args) throws IOException
{
	Scanner keyboard = new Scanner(System.in);
	System.out.print("enter name of input text file: ");	
	String name = keyboard.nextLine();

	Scanner infile = new Scanner(new FileReader(name));
	PrintWriter outfile = new PrintWriter(new FileWriter(name + ".html"));

	String line;

	while (infile.hasNext())
	{
		line = infile.nextLine();
		outfile.println(format(line));
	}
	outfile.close();
}

/**
	Create an html formatted line of text
	@param line the original line
	@return the formatted line
*/
public static String format(String line)
{
	String result = line;
	result = color(result);
	result = heading(result);
	result = centering(result);

	return result;
}

/**
	Wrap a random html color code around a string
	@param s the string to format
	@return the color formatted string
*/
public static String color(String s)
{
	String result = "";
	String codes = "0369CF";
	char c;
	for (int i = 1; i <= 3; i++)
	{
		c = codes.charAt(rand.nextInt(6));
		result = result + c + c;
	}
	return "<font color=\"#" + result + "\">" + s + "</font>";
}

/**
	Wrap a random html heading: h1 - h6 around a string
	@param s the string to format
	@return the heading formatted string 
*/
public static String heading(String s)
{
	String hd = "h" + (rand.nextInt(6) + 1);
	return "<" + hd + ">" + s + "</" + hd + ">";
}

/**
	Randomly decide whether to center a string in html
	@param s the string
	@return the string, possibly with center tags
*/
public static String centering(String s)
{
	if (rand.nextBoolean())
		return "<center>" + s + "</center>";

	return s;	// no centering
}

}