package questioncomplementaire;

import java.util.HashMap;

public class Morse extends AlgoCodage{

	private String[] alphabet;
	private HashMap<String, String> decoder;
	
	public Morse(){
		this.nom = "Morse";
		alphabet = new String[] {
				".-", "-...", "-.-.", "-..", ".", "..-.",
				"--.", "....", "..", ".---", "-.-", ".-..",
				"--", "-.", "---", ".--.", "--.-", ".-.",
				"...", "-", "..-", "...-", ".--", "-..-",
				"-.--", "--.."
		};
		decoder = new HashMap<String, String>();
		int a = 65;
		for (int i = 0; i < alphabet.length; i++) {
			decoder.put(alphabet[i], String.valueOf((char)(a+i)));
		}
	}
	
	@Override
	public String toString() {
		return "Morse"; 
	}

	@Override
	public String encode(String s) {
		String encode = "";
		int a = 65; // Code ASCII de A
		for (int i = 0; i < s.length(); i++) {
			encode += alphabet[(int)s.charAt(i)-a] + "/";
		}
		return encode;
	}

	@Override
	public String decode(String s) {
		String decode = "";
		int a = 65; // Code ASCII de A
		String[] lettres = s.split("/");
		for (int i = 0; i < lettres.length; i++) {
			decode += decoder.get(lettres[i]);
		}
		return decode;
	}
}