/*
 *   This file is a part of the SteamWar software.
 *
 *   Copyright (C) 2025 SteamWar.de-Serverteam
 *
 *   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 <https://www.gnu.org/licenses/>.
 */

package de.steamwar.bausystem.features.tracer.rendering.dynamicflags;

import de.steamwar.bausystem.features.tracer.TNTPoint;
import de.steamwar.bausystem.features.tracer.rendering.ViewFlag;

import java.util.HashSet;
import java.util.Set;
import java.util.stream.Stream;

/**
 * A flag for rendering only the records of specific tnts
 */
public class IsolateFlag extends ViewFlag {

    /**
     * Tnt ids that will be isolated
     */
    private final Set<Integer> tntToIsolate = new HashSet<>();

    public IsolateFlag() {
        super(false, false, ViewFlag.IGNITE, null);
    }

    /**
     * Toggles the given id to be or not to be rendered
     *
     * @param id
     */
    public void toggleId(int id) {
        if (!tntToIsolate.remove(id)) {
            tntToIsolate.add(id);
        }
    }

    @Override
    public Stream<TNTPoint> filter(Stream<TNTPoint> records) {
        if (tntToIsolate.isEmpty()) return records;
        return records.filter(record -> tntToIsolate.contains(record.getTntId()));
    }
}
