public class Generation {

    private final File file = new File("src/safeguard.txt");
    private final Scanner sc = new Scanner(System.in);
    private Map<String, Integer> map = new LinkedHashMap<>();

    // Chargement et vérification du fichier de configuration

    public void load() {
        boolean answer;
        System.out.println("Loup-Garou version 1.0");
        System.out.print("\nCharger une sauvegarde ? : ");

        if ((answer = sc.nextBoolean()) == true) {
            if (!file.exists()) {
                System.err.println("\nImpossible de lire le fichier !");
                selection();
            }
        } else selection();

        try {
            final List<String> list = FileUtils.loadContent(file);
            for (String line : list) {
                if (!line.startsWith("//")) {
                    String[] args = line.split(": ");
                    map.put(args[0], Integer.parseInt(args[1]));
                }
            }
            parse();
        } catch (ConfigurationException e) {
            e.printStackTrace();
        }
    }

    private void selection() {
        int sv, lg;
        System.out.println("\nConfiguration ->");
        System.out.print("\nSimple_Villageois : ");
        sv = sc.nextInt();
        System.out.print("Loup-Garou : ");
        lg = sc.nextInt();

        FileUtils.deleteFile(file);
        FileUtils.save(file, "SIMPLE_VILLAGEOIS: " + sv);
        FileUtils.save(file, "LOUP-GAROU: " + lg);
    }

    // Vérification de la validité de la configuration

    private void parse() throws ConfigurationException {
        if (map.isEmpty()) throw new ConfigurationException("Bad configuration !");

        if (map.get("SIMPLE_VILLAGEOIS") == 0 || map.get("LOUP-GAROU") == 0) {
            throw new ConfigurationException("Wolf or Villager amount cannot be equals to 0 !");
        }
        if (map.get("LOUP-GAROU") >= map.get("SIMPLE_VILLAGEOIS")) {
            throw new ConfigurationException("Wolf amount must be lower than Villager !");
        }
    }

    public Integer get(String key) {
        return map.get(key);
    }

}