content: /*
   * SoulFire
   * Copyright (C) 2024  AlexProgrammerDE
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <https://www.gnu.org/licenses/>.
   */
  package com.soulfiremc.server.pathfinding.goals;
  
  import com.soulfiremc.server.pathfinding.MinecraftRouteNode;
  import com.soulfiremc.server.pathfinding.SFVec3i;
  import com.soulfiremc.server.pathfinding.execution.WorldAction;
  import com.soulfiremc.server.pathfinding.graph.MinecraftGraph;
  
  import java.util.List;
  import java.util.Set;
  
  /**
   * Goal that is a composite of multiple goals.
   * This goal is completed if any of the goals are completed.
   * The closest goal is always chosen as the current goal.
   *
   * @param goals the goals to composite
   */
  public record CompositeGoal(Set<GoalScorer> goals) implements GoalScorer {
    @Override
    public double computeScore(MinecraftGraph graph, SFVec3i blockPosition, List<WorldAction> actions) {
      return goals.stream().mapToDouble(goal -> goal.computeScore(graph, blockPosition, actions))
        .min().orElseThrow(() -> new IllegalStateException("No goals provided"));
    }
  
    @Override
    public boolean isFinished(MinecraftRouteNode current) {
      return goals.stream().anyMatch(goal -> goal.isFinished(current));
    }
  
    public GoalScorer getFinishedGoal(MinecraftRouteNode current) {
      return goals.stream().filter(goal -> goal.isFinished(current))
        .findFirst()
        .orElseThrow(() -> new IllegalStateException("No goals finished"));
    }
  }
  