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

public class GestionMotsPendu {

    private static final String CHEMIN_FICHIER = "../res/mots_pendu.txt";

    private final Map<String, List<String>> motsParDifficulte = new HashMap<>();

    public GestionMotsPendu() throws IOException {
        motsParDifficulte.put("FACILE", new ArrayList<>());
        motsParDifficulte.put("MOYEN", new ArrayList<>());
        motsParDifficulte.put("DIFFICILE", new ArrayList<>());
        chargerMots();
    }

    private void chargerMots() throws IOException {
        try (BufferedReader reader = new BufferedReader(new FileReader(CHEMIN_FICHIER))) {
            String ligne;
            String section = "";
            while ((ligne = reader.readLine()) != null) {
                ligne = ligne.trim();
                if (ligne.startsWith("#")) {
                    section = ligne.substring(1).toUpperCase();
                } else if (!ligne.isEmpty() && motsParDifficulte.containsKey(section)) {
                    motsParDifficulte.get(section).add(ligne);
                }
            }
        } catch (FileNotFoundException e) {
            throw new IOException("Fichier introuvable : " + CHEMIN_FICHIER);
        }
    }

    public String getMotAleatoire(int difficulte) {
        String cle = convertirDifficulte(difficulte);
        List<String> liste = motsParDifficulte.get(cle);
        if (liste == null || liste.isEmpty()) return null;

        Random rand = new Random();
        return liste.get(rand.nextInt(liste.size()));
    }

    private String convertirDifficulte(int difficulte) {
        return switch (difficulte) {
            case 1 -> "FACILE";
            case 2 -> "MOYEN";
            case 3 -> "DIFFICILE";
            default -> "FACILE"; // Valeur par défaut
        };
    }
}