/*
 * Copyright (C) 2021 Emeric Poupon
 *
 * This file is part of LMS.
 *
 * LMS 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.
 *
 * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "database/StarredArtist.hpp"

#include <Wt/Dbo/WtSqlTraits.h>

#include "database/Artist.hpp"
#include "database/Session.hpp"
#include "database/User.hpp"
#include "IdTypeTraits.hpp"
#include "Utils.hpp"

namespace Database
{
    StarredArtist::StarredArtist(ObjectPtr<Artist> artist, ObjectPtr<User> user, FeedbackBackend backend)
        : _backend{ backend }
        , _artist{ getDboPtr(artist) }
        , _user{ getDboPtr(user) }
    {
    }

    StarredArtist::pointer StarredArtist::create(Session& session, ObjectPtr<Artist> artist, ObjectPtr<User> user, FeedbackBackend backend)
    {
        return session.getDboSession().add(std::unique_ptr<StarredArtist> {new StarredArtist{ artist, user, backend }});
    }

    std::size_t StarredArtist::getCount(Session& session)
    {
        session.checkReadTransaction();
        return session.getDboSession().query<int>("SELECT COUNT(*) FROM starred_artist");
    }

    StarredArtist::pointer StarredArtist::find(Session& session, StarredArtistId id)
    {
        session.checkReadTransaction();
        return session.getDboSession().find<StarredArtist>().where("id = ?").bind(id).resultValue();
    }

    StarredArtist::pointer StarredArtist::find(Session& session, ArtistId artistId, UserId userId)
    {
        session.checkReadTransaction();
        return session.getDboSession().query<Wt::Dbo::ptr<StarredArtist>>("SELECT s_a from starred_artist s_a")
            .join("user u ON u.id = s_a.user_id")
            .where("s_a.artist_id = ?").bind(artistId)
            .where("s_a.user_id = ?").bind(userId)
            .where("s_a.backend = u.feedback_backend")
            .resultValue();
    }

    StarredArtist::pointer StarredArtist::find(Session& session, ArtistId artistId, UserId userId, FeedbackBackend backend)
    {
        session.checkReadTransaction();
        return session.getDboSession().find<StarredArtist>()
            .where("artist_id = ?").bind(artistId)
            .where("user_id = ?").bind(userId)
            .where("backend = ?").bind(backend)
            .resultValue();
    }

    void StarredArtist::setDateTime(const Wt::WDateTime& dateTime)
    {
        _dateTime = Utils::normalizeDateTime(dateTime);
    }
}