/**  
*   This is a MorseCode class which calls upon MorseCode to translate MorseCode to text and back.
 *  A wiki i used to locate information http://en.wikipedia.org/wiki/Morse-code 
 *
 * @author Freeman Lo
 * @version 0.0.2 Build 2 2015.10.10.
 * Limitations - hardcoded morse code
 * I catered morse code to fit for this website, pretty much 
 * anything entered here can be translated on this website
 * http://morsecode.scphillips.com/translator.html
 */

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

public class MorseCode{
	
	private String name;
	private int length;
 	private Map<String, String> map = new HashMap<String, String>();

	// Cap letters have the same morse code as lower case letters
	public MorseCode()
	{
		map.put("A", ".-"  );
		map.put("B", "-...");
		map.put("C", "-.-.");
		map.put("D", "-.." );
		map.put("E", "."   );
		map.put("F", "..-.");
		map.put("G", "--." );
		map.put("H", "....");
		map.put("I", ".."  );
		map.put("J", ".---");
		map.put("K", "-.-" );
		map.put("L", ".-..");
		map.put("M", "--"  );
		map.put("N", "-."  );
		map.put("O", "---" );
		map.put("P", ".--.");
		map.put("Q", "--.-");
		map.put("R", ".-." );
		map.put("S", "..." );
		map.put("T", "-"   );
		map.put("U", "..-" );
		map.put("V", "...-");
		map.put("W", ".--" );
		map.put("X", "-..-");
		map.put("Y", "-.--");
		map.put("Z", "--..");
		map.put("1",".----");
		map.put("2","..---");
		map.put("3","...--");
		map.put("4","...--");
		map.put("5",".....");
		map.put("6","-....");
		map.put("7","--...");
		map.put("8","---..");
		map.put("9","----.");
		map.put("0","-----");
		map.put(":", "---...");
		map.put(",", "--..--");
		map.put("?", "..--..");
		

		map.put(".-",   "A");
		map.put("-...", "B");
		map.put("-.-.", "C");
		map.put("-..",  "D");
		map.put(".",    "E");
		map.put("..-.", "F");
		map.put("--.",  "G");
		map.put("....", "H");
		map.put("..",   "I");
		map.put(".---", "J");
		map.put("-.-",  "K");
		map.put(".-..", "L");
		map.put("--",   "M");
		map.put("-.",   "N");
		map.put("---",  "O");
		map.put(".--.", "P");
		map.put("--.-", "Q");
		map.put(".-.",  "R");
		map.put("...",  "S");
		map.put("-",    "T");
		map.put("..-",  "U");
		map.put("...-", "V");
		map.put(".--",  "W");
		map.put("-..-", "X");
		map.put("-.--", "Y");
		map.put("--..", "Z");
		map.put(".----","1");
		map.put("..---","2");
		map.put("...--","3");
		map.put("...--","4");
		map.put(".....","5");
		map.put("-....","6");
		map.put("--...","7");
		map.put("---..","8");
		map.put("----.","9");
		map.put("-----","0");
		map.put("---...",":");
		map.put("--..--",",");
		map.put("..--..","?");

		// Special set of Predefined Symbols
		// i couldnt find the following symbols on its morse code counterpart
		// therefore, if you use them it will not be translatable.
		map.put("!","!");
                map.put(".",".");
		map.put(";",";");
	}

	public void setName(String name)
	{
		this.name = name;
	}

	public void setLength(int length) 
	{
		this.length = length;
	}

	public void convertToMC()
	{
		String key;
		String mess = "";
		int x = 0;
		int y = 1;

		while ( y <= this.length ) {
				key = this.name.substring(x,y);
				String value = map.get(key);
				if (value == null) { 
					value = "|";
					mess = mess + value + " ";
				}
				else {
					mess = mess + value + " ";
				}
				x++;
				y++;
		}
		System.out.print("Morse Code is:  ");
		System.out.println(mess);
	}

	/* This part will be painful for a user to enter in a Morse Code.
	 * Also, the chance of having an user to misstype something is highly possible.
	 * It would be difficult for a programmer in a short amount of time
	 * to find ways to catch all of these cases. 
	 * It is easy to prompt the user for a value and allow this algorithm to process
	 * any morse code back to a human readable string. 
	`* therefore for simplicity sake, i hardcoded the morse code and allow
	 * a method to translate it back to a readable string.
	 */
	// Convert MC to Text
	public void convertToText() {
		String word = "-- .- -.--  -.-- --- ..-  ..-. .. -. -..  .--. . .- -.-. .  .. -.  -.-- --- ..- .-.  -.. --- -- .- .. -.";
		String [] arr = word.split(" ");
		String key = "";
		int i = 0;
		String mess = "";

		while ( i < arr.length ){
			key = arr[i];

			String value = map.get(key);
			if ( value == null ) {
				value = "";
				mess = mess + value;
			}
			else {
				mess = mess + value;
			}

			i++;
		}

		System.out.println();
		System.out.println("Morse Code to translate is: " + word);
		System.out.print("Translated Morse code is:  ");
		System.out.print(mess);
		System.out.println();
	}

	public void printMap()
	{
		Iterator it = map.entrySet().iterator();
		while (it.hasNext())
		{
			Map.Entry pairs = (Map.Entry)it.next();
			System.out.println(pairs.getKey() + " = " + pairs.getValue());
		}
	}

	public int getMapSize()
	{
		return map.size();
	}
}