content: /*
   * LibertyBans
   * Copyright © 2023 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.addon.layouts;
  
  import space.arim.libertybans.api.Victim;
  import space.arim.libertybans.api.punish.EscalationTrack;
  import space.arim.libertybans.api.punish.PunishmentDetailsCalculator;
  import space.arim.libertybans.api.scope.ScopeManager;
  import space.arim.libertybans.api.select.SelectionOrderBuilder;
  
  record TrackCalculator(ScopeManager scopeManager, Track.Ladder ladder) implements PunishmentDetailsCalculator {
  
  	@Override
  	public CalculationResult compute(EscalationTrack escalationTrack, Victim victim,
  									 SelectionOrderBuilder selectionOrderBuilder) {
  		Integer existingPunishments = selectionOrderBuilder
  				.victim(victim)
  				.escalationTrack(escalationTrack)
  				.selectActiveOnly(ladder.countActive())
  				.build()
  				.countNumberOfPunishments()
  				.toCompletableFuture()
  				.getNow(null);
  		if (existingPunishments == null) {
  			throw new IllegalStateException("API implementation error: future incomplete");
  		}
  		var progression = findProgression(existingPunishments + 1);
  		return new PunishmentDetailsCalculator.CalculationResult(
  				progression.type(), progression.reason(),
  				progression.duration().duration(), progression.scope().actualize(scopeManager)
  		);
  	}
  
  	private Track.Ladder.Progression findProgression(int index) {
  		var progressions = ladder.progressions();
  		for (int n = index; n > 0; n--) {
  			var progression = progressions.get(n);
  			if (progression != null) {
  				return progression;
  			}
  		}
  		throw new IllegalStateException("No progression applicable");
  	}
  
  }
  