/*
 * @Copyright 2018-2025 HardBackNutter
 * @License GNU General Public License
 *
 * This file is part of NeverTooManyBooks.
 *
 * NeverTooManyBooks 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.
 *
 * NeverTooManyBooks 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 NeverTooManyBooks. If not, see <http://www.gnu.org/licenses/>.
 */

package com.hardbacknutter.nevertoomanybooks.settings.tags;

import android.content.Context;

import androidx.annotation.NonNull;
import androidx.annotation.WorkerThread;

import java.util.Locale;
import java.util.Map;
import java.util.Set;

import com.hardbacknutter.nevertoomanybooks.R;
import com.hardbacknutter.nevertoomanybooks.ServiceLocator;
import com.hardbacknutter.nevertoomanybooks.core.database.DaoWriteException;
import com.hardbacknutter.nevertoomanybooks.core.tasks.MTask;

//TODO: Maybe run TagMapperTask as part of the startup tasks?
public class TagMapperTask
        extends MTask<Map<TagMapperTask.Options, Integer>> {

    private static final String TAG = "TagMapperTask";
    private Set<Options> options;

    TagMapperTask() {
        super(R.id.TASK_ID_TAG_MAPPER, TAG);
    }

    void start(@NonNull final Set<Options> options) {
        this.options = options;
        execute();
    }

    @Override
    @WorkerThread
    @NonNull
    protected Map<Options, Integer> doWork()
            throws DaoWriteException {
        final Context context = ServiceLocator.getInstance().getLocalizedAppContext();
        final Locale locale = context.getResources().getConfiguration().getLocales().get(0);

        return ServiceLocator.getInstance().getTagDao()
                             .applyTagMappings(context, locale, options);
    }

    public enum Options {
        ApplyMappings,
        MergeCaseDifferences,
        PurgeUnusedTags
    }
}
