/*
 * Copyright � 2016 TIBCO Software,Inc.All rights reserved.
 * http://community.jaspersoft.com/project/jaspermobile-android
 *
 * Unless you have purchased a commercial license agreement from TIBCO Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of TIBCO Jaspersoft Mobile for Android.
 *
 * TIBCO Jaspersoft Mobile is free software:you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation,either version 3of the License,or
 * (at your option)any later version.
 *
 * TIBCO Jaspersoft Mobile 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with TIBCO Jaspersoft Mobile for Android.If not,see
 * <http://www.gnu.org/licenses/lgpl>.
 */

package com.jaspersoft.android.jaspermobile.data.store;

import com.jaspersoft.android.jaspermobile.data.entity.mapper.ResourcesSortMapper;
import com.jaspersoft.android.jaspermobile.domain.entity.Sort;
import com.jaspersoft.android.jaspermobile.domain.store.SortStore;
import com.jaspersoft.android.jaspermobile.internal.di.PerActivity;
import com.jaspersoft.android.jaspermobile.internal.di.PerScreen;
import com.jaspersoft.android.sdk.service.repository.SortType;

import java.util.ArrayList;
import java.util.Collection;

import javax.inject.Inject;

import rx.Observable;
import rx.subjects.PublishSubject;

/**
 * @author Andrew Tivodar
 * @since 2.3
 */
@PerScreen
public class InMemoryLibrarySortStore implements SortStore {
    private final static SortType DEFAULT_SORT_TYPE = SortType.LABEL;

    private final ResourcesSortMapper mResourcesSortMapper;
    private final PublishSubject<Void> mPublisher = PublishSubject.create();

    private SortType mSortType;
    private Collection<SortType> mAvailableSortTypes;

    @Inject
    public InMemoryLibrarySortStore(ResourcesSortMapper resourcesSortMapper) {
        mResourcesSortMapper = resourcesSortMapper;

        mAvailableSortTypes = new ArrayList<>();
        mAvailableSortTypes.add(SortType.LABEL);
        mAvailableSortTypes.add(SortType.CREATION_DATE);

        mSortType = DEFAULT_SORT_TYPE;
    }

    @Override
    public Sort getSortType() {
        return mResourcesSortMapper.from(mSortType);
    }

    @Override
    public Observable<Void> observe() {
        return mPublisher;
    }

    @Override
    public Collection<Sort> getAvailableSortTypes() {
        return mResourcesSortMapper.from(mAvailableSortTypes);
    }

    @Override
    public void saveSortType(Sort sortType) {
        mSortType = mResourcesSortMapper.to(sortType);
        mPublisher.onNext(null);
    }
}