/*  _____ _
 * |_   _| |_  _ _ ___ ___ _ __  __ _
 *   | | | ' \| '_/ -_) -_) '  \/ _` |_
 *   |_| |_||_|_| \___\___|_|_|_\__,_(_)
 *
 * Threema for Android
 * Copyright (c) 2014-2020 Threema GmbH
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 ch.threema.app.services.ballot;

import java.util.List;
import java.util.Map;

import ch.threema.storage.models.ballot.BallotModel;
import ch.threema.storage.models.ballot.BallotVoteModel;

public class BallotMatrixDataImpl implements BallotMatrixData {

	private final BallotModel ballotModel;
	private final List<BallotMatrixService.Participant> participants;
	private final List<BallotMatrixService.Choice> choices;
	private final Map<String, BallotVoteModel> data;
	private final BallotMatrixService.DataKeyBuilder keyBuilder;

	public BallotMatrixDataImpl(BallotModel ballotModel,
								List<BallotMatrixService.Participant> participants,
								List<BallotMatrixService.Choice> choices,
								Map<String, BallotVoteModel> data,
								BallotMatrixService.DataKeyBuilder keyBuilder) {
		this.ballotModel = ballotModel;
		this.participants = participants;
		this.choices = choices;
		this.data = data;
		this.keyBuilder = keyBuilder;
	}

	@Override
	public List<BallotMatrixService.Participant> getParticipants() {
		return this.participants;
	}

	@Override
	public List<BallotMatrixService.Choice> getChoices() {
		return this.choices;
	}

	@Override
	public BallotVoteModel getVote(final BallotMatrixService.Participant participant , final BallotMatrixService.Choice choice) {
		synchronized (this.data) {
			String key = this.keyBuilder.build(participant, choice);
			if(key != null) {
				return this.data.get(key);
			}
		}
		return null;
	}


}
