efibs / mc-lasertag-mod

public class LasertagGameModeSuggestionProvider implements SuggestionProvider<ServerCommandSource> {

    private static LasertagGameModeSuggestionProvider instance = null;

    private LasertagGameModeSuggestionProvider() {

    }

    public static LasertagGameModeSuggestionProvider getInstance() {

        if (instance == null) {

            instance = new LasertagGameModeSuggestionProvider();

        }

        return instance;

    }

    @Override

    public CompletableFuture<Suggestions> getSuggestions(CommandContext<ServerCommandSource> context, SuggestionsBuilder builder) {

        boolean inputEmpty = false;

        // Try to get current input

        String input = null;

        try {

            input = StringArgumentType.getString(context, "gamemode");

        } catch (IllegalArgumentException ex) {

            inputEmpty = true;

        }

        for (var gameModeTranslatableName : GameModes.GAME_MODES.keySet()) {

            if (inputEmpty || gameModeTranslatableName.toLowerCase().contains(input.toLowerCase())) {

                builder.suggest(gameModeTranslatableName);

            }

        }

        return builder.buildFuture();