import java.util.HashMap;
import java.util.*;

public class Main
{
    public static void codes(String text)
    {
        Node wurzel = Node.erstellen(Zählen.countEachLetter(text));
        HashMap<Character, String> codes = new HashMap<Character, String>();
        generieren(codes,wurzel,"");

        for (var entry : codes.entrySet()) 
        {
            System.out.println("->" + entry.getKey() + ", Code: " + entry.getValue());
        }
    }

    public static void generieren(HashMap<Character, String> codes, Node node, String code)
    {
        if(node == null)return;
        if(node.getLeft() == null && node.getRight() == null)
        {
            codes.put(node.getBuchstabe(), code);
            return;
        }
        generieren(codes, node.getLeft(), code + "0");
        generieren(codes, node.getRight(), code + "1");
    }

    public static void codierung(String text)
    {
        Node wurzel = Node.erstellen(Zählen.countEachLetter(text));
        HashMap<Character, String> codes = new HashMap<Character, String>();

        if(wurzel.getLeft() == null && wurzel.getRight() == null)
        {
            codes.put(wurzel.getBuchstabe(), "0");
        }
        else
        {
            generieren(codes,wurzel,"");
        }
        String code = "";
        for (int i=0; i<text.length();i++)
        {
            char b = text.charAt(i);
            String c = codes.get(b);
            code += c;
        }
        System.out.println("Huffman-Codierung: " + code);
    }
    
    //public String decodierung( 
    
    
    
    




    
}