public class Translate extends JavaPlugin{

    public ArrayList<LanguageInfo> playerLanguages = new ArrayList<>();
    @Override
    public void onEnable(){
        File file = new File(this.getDataFolder() + "\\languageInfo.yml");
        if(!file.exists()){
            createDirectory(file);
        }

        //this.getCommand("language").setExecutor(new LanguageCommand(file, playerLanguages));
        this.getServer().getPluginManager().registerEvents(new ChatListener(file, playerLanguages), this);


    }
    private void createDirectory(File file){
        try{
            file.getParentFile().mkdirs();
            file.createNewFile();
            FileOutputStream s = new FileOutputStream(file, false);
            s.close();
        }
        catch(Exception e){
            System.out.println("\033[0;33mCreation of file threw an error!\033[0m");
        }
    }
}


public class LanguageInfo {

    private File config;
    public Player player;
    public LanguageInfo(File config, Player player){
        this.config = config;
        this.player = player;
    }
    private String userLan;
    private List<String> allowed;
    public String getLanguage(){
        if(userLan == null){
            FileConfiguration fileConfig = YamlConfiguration.loadConfiguration(config);
            if(fileConfig != null){
                String lan = fileConfig.getString(player.getName() + ".Language");
                if(lan != null){
                    userLan = lan;
                    return lan;
                }
                else{
                    fileConfig.set(player.getName() + ".Language", Language.ENGLISH);
                    userLan = Language.ENGLISH;
                    try {fileConfig.save(config);} catch (IOException e) {e.printStackTrace();}
                }
            }
            else{
                player.sendMessage(ChatColor.RED + "" + ChatColor.UNDERLINE + "FileConfiguration returned null!");
            }
            return Language.ENGLISH;
        }
        return userLan;
    }
    public void setLanguage(String lan){
        if(Language.getInstance().getNameLanguage(lan) != null){
            userLan = lan;
            FileConfiguration fileConfig = YamlConfiguration.loadConfiguration(config);
            if(fileConfig != null){
                fileConfig.set(player.getName() + ".Language", lan);
                try {fileConfig.save(config);} catch (IOException e) {e.printStackTrace();}
            }
            else{
                player.sendMessage(ChatColor.RED + "" + ChatColor.UNDERLINE + "FileConfiguration returned null!");
            }
        }
        else{
            player.sendMessage(ChatColor.GOLD + "" + ChatColor.BOLD + lan + " is not a valid language prefix code!");
        }
    }
    public List<String> getAllowedLanguages(){
        if(allowed == null){
            FileConfiguration fileConfig = YamlConfiguration.loadConfiguration(config);
            if(fileConfig != null){
                List<String> lans = fileConfig.getStringList(player.getName() + ".allowedLans");
                if(lans != null){
                    allowed = lans;
                    return lans;
                }
            }
            else{
                player.sendMessage(ChatColor.RED + "" + ChatColor.UNDERLINE + "FileConfiguration returned null!");
            }
        }
        else{
            return allowed;
        }
        return new ArrayList<String>();
    }
    public void addAllowedLanguage(String lan){
        if(Language.getInstance().getNameLanguage(lan) != null){
            List<String> currentAllowedLans = getAllowedLanguages();
            if(!currentAllowedLans.contains(lan) && !getLanguage().equals(lan)){
                currentAllowedLans.add(lan);
                allowed = currentAllowedLans;
                FileConfiguration fileConfig = YamlConfiguration.loadConfiguration(config);
                if(fileConfig != null){
                    fileConfig.set(player.getName() + ".allowedLans", currentAllowedLans);
                    try {fileConfig.save(config);} catch (IOException e) {e.printStackTrace();}
                }
                else{
                    player.sendMessage(ChatColor.RED + "" + ChatColor.UNDERLINE + "FileConfiguration returned null!");
                }
            }
            else{
                player.sendMessage(ChatColor.GOLD + "" + ChatColor.BOLD + "That language is already allowed!");
            }
        }
        else{
            player.sendMessage(ChatColor.GOLD + "" + ChatColor.BOLD + lan + " is not a valid language prefix code!");
        }
    }
}
public class ChatListener implements Listener {

    File config;
    ArrayList<LanguageInfo> lans;
    public ChatListener(File file, ArrayList<LanguageInfo> lans){
        this.config = file;
        this.lans = lans;
    }
    @EventHandler
    public void onChat(AsyncPlayerChatEvent e){
        if(!e.isCancelled()){
            for(Player player : e.getRecipients()){
                for(LanguageInfo lanInfo : lans){
                    if(lanInfo.player.equals(player)){
                        e.setMessage(transLateMessage(e.getMessage(), lanInfo.getLanguage(), lanInfo.getAllowedLanguages()));
                        return;
                    }
                }
                LanguageInfo lanInfo = new LanguageInfo(config, player);
                lans.add(lanInfo);
            }
        }
    }
    private String transLateMessage(String message, String userLan, List<String> allowed){
        String detectedLan = Translator.getInstance().detect(message);
        if(!detectedLan.equals(userLan) && !allowed.contains(detectedLan)){
            return (ChatColor.ITALIC + "(" + detectedLan + " -> " + userLan + ")" + ChatColor.RESET + Translator.getInstance().translate(message, detectedLan, userLan));
        }
        return message;
    }
}