/*
 * Copyright (C) 2021 Elytrium
 *
 * This program 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.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.elytrium.limboauth.utils;

import com.google.common.collect.ImmutableList;
import com.velocitypowered.api.proxy.Player;
import com.velocitypowered.api.proxy.ProxyServer;
import java.util.List;
import java.util.stream.Collectors;

public class SuggestUtils {

  public static List<String> suggestPlayers(String[] args, ProxyServer server) {
    if (args.length == 0) {
      return server.getAllPlayers().stream()
          .map(Player::getUsername)
          .collect(Collectors.toList());
    } else if (args.length == 1) {
      return server.getAllPlayers().stream()
          .map(Player::getUsername)
          .filter(str -> str.regionMatches(true, 0, args[0], 0, args[0].length()))
          .collect(Collectors.toList());
    }

    return ImmutableList.of();
  }
}