/*
 * This file is part of the Illarion project.
 *
 * Copyright © 2015 - Illarion e.V.
 *
 * Illarion 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.
 *
 * Illarion 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.
 */
package illarion.client.resources.loaders;

import illarion.client.resources.ResourceFactory;
import illarion.client.util.IdWrapper;
import illarion.common.util.TableLoaderBooks;
import illarion.common.util.TableLoaderSink;

import javax.annotation.Nonnull;

/**
 * This loader is used to load the data required for the books.
 *
 * @author Martin Karing <nitram@illarion.org>
 */
public final class BookLoader extends AbstractResourceLoader<IdWrapper<String>>
        implements TableLoaderSink<TableLoaderBooks> {
    @Nonnull
    @Override
    public ResourceFactory<IdWrapper<String>> call() {
        if (!hasTargetFactory()) {
            throw new IllegalStateException("targetFactory not set yet.");
        }

        ResourceFactory<IdWrapper<String>> factory = getTargetFactory();

        factory.init();
        new TableLoaderBooks(this);
        factory.loadingFinished();
        loadingDone();

        return factory;
    }

    @Override
    public boolean processRecord(int line, @Nonnull TableLoaderBooks loader) {
        int id = loader.getBookId();
        String bookFile = loader.getBookFile();

        getTargetFactory().storeResource(new IdWrapper<>(id, bookFile));
        return true;
    }
}