content: /*
   * LibertyBans
   * Copyright © 2025 Anand Beh
   *
   * LibertyBans is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as
   * published by the Free Software Foundation, either version 3 of the
   * License, or (at your option) any later version.
   *
   * LibertyBans is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with LibertyBans. If not, see <https://www.gnu.org/licenses/>
   * and navigate to version 3 of the GNU Affero General Public License.
   */
  
  package space.arim.libertybans.core.config.displayid;
  
  import jakarta.inject.Inject;
  import org.checkerframework.checker.nullness.qual.Nullable;
  import space.arim.libertybans.core.config.Configs;
  import space.arim.libertybans.core.config.MessagesConfig;
  
  import java.util.Locale;
  
  public class AbacusForIds {
  
      private final Configs configs;
  
      @Inject
      public AbacusForIds(Configs configs) {
          this.configs = configs;
      }
  
      private MessagesConfig.Formatting.IdDisplay conf() {
          return configs.getMessagesConfig().formatting().idDisplay();
      }
  
      public String displayId(long id) {
          var conf = conf();
          Scramble algorithm = conf.scramblingAlgorithm().getImpl();
          for (int n = 0; n < conf.numberOfAlgorithmRuns(); n++) {
              id = algorithm.scramble(id);
          }
          String display = Long.toUnsignedString(id, conf.base());
          if (conf.capitalizeLettersInDisplay()) {
              display = display.toUpperCase(Locale.ROOT);
          }
          return display;
      }
  
      public @Nullable Long parseId(String input) {
          var conf = conf();
          long id;
          try {
              id = Long.parseUnsignedLong(input, conf.base());
          } catch (NumberFormatException ignored) {
              return null;
          }
          Scramble algorithm = conf.scramblingAlgorithm().getImpl();
          for (int n = 0; n < conf.numberOfAlgorithmRuns(); n++) {
              id = algorithm.descramble(id);
          }
          return id;
      }
  }
  