/*
 * 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 "Common.hpp"

#include <algorithm>

using namespace Database;

TEST_F(DatabaseFixture, Track)
{
    {
        auto transaction{ session.createReadTransaction() };
        EXPECT_EQ(Track::find(session, Track::FindParameters{}).results.size(), 0);
        EXPECT_EQ(Track::findIds(session, Track::FindParameters{}).results.size(), 0);
        EXPECT_EQ(Track::getCount(session), 0);
        EXPECT_FALSE(Track::exists(session, 0));

        {
            bool visited{};
            Track::find(session, Track::FindParameters{}, [&](const Track::pointer&) {visited = true;});
            EXPECT_FALSE(visited);
        }
    }

    ScopedTrack track{ session, "MyTrackFile" };

    {
        auto transaction{ session.createReadTransaction() };

        EXPECT_EQ(Track::find(session, Track::FindParameters{}).results.size(), 1);
        EXPECT_EQ(Track::getCount(session), 1);
        EXPECT_TRUE(Track::exists(session, track.getId()));
        auto myTrack{ Track::find(session, track.getId()) };
        ASSERT_TRUE(myTrack);
        EXPECT_EQ(myTrack->getId(), track.getId());

        {
            bool visited{};
            Track::find(session, Track::FindParameters{}, [&](const Track::pointer& t)
                {
                    visited = true;
                    EXPECT_EQ(t->getId(), track.getId());
                });
            EXPECT_TRUE(visited);
        }
    }
}

TEST_F(DatabaseFixture, MultipleTracks)
{
    ScopedTrack track1{ session, "MyTrackFile1" };
    ScopedTrack track2{ session, "MyTrackFile2" };

    {
        auto transaction{ session.createReadTransaction() };

        EXPECT_TRUE(track1.getId() != track2.getId());
        EXPECT_TRUE(track1.get() != track2.get());
        EXPECT_FALSE(track1.get() == track2.get());
    }
}

TEST_F(DatabaseFixture, MultipleTracksSearchByFilter)
{
    ScopedTrack track1{ session, "" };
    ScopedTrack track2{ session, "" };
    ScopedTrack track3{ session, "" };
    ScopedTrack track4{ session, "" };
    ScopedTrack track5{ session, "" };
    ScopedTrack track6{ session, "" };

    {
        auto transaction{ session.createWriteTransaction() };
        track1.get().modify()->setName("MyTrack");
        track2.get().modify()->setName("MyTrack%");
        track3.get().modify()->setName("MyTrack%Foo");
        track4.get().modify()->setName("%MyTrack");
        track5.get().modify()->setName("Foo%MyTrack");
        track6.get().modify()->setName("M_Track");
    }

    {
        auto transaction{ session.createReadTransaction() };

        {
            const auto tracks{ Track::findIds(session, Track::FindParameters {}.setKeywords({"Track"})) };
            EXPECT_EQ(tracks.results.size(), 6);
        }
        {
            const auto tracks{ Track::findIds(session, Track::FindParameters {}.setKeywords({"MyTrack"})) };
            EXPECT_EQ(tracks.results.size(), 5);
            EXPECT_TRUE(std::none_of(std::cbegin(tracks.results), std::cend(tracks.results), [&](const TrackId trackId) { return trackId == track6.getId(); }));
        }
        {
            const auto tracks{ Track::findIds(session, Track::FindParameters {}.setKeywords({"MyTrack%"})) };
            ASSERT_EQ(tracks.results.size(), 2);
            EXPECT_EQ(tracks.results[0], track2.getId());
            EXPECT_EQ(tracks.results[1], track3.getId());
        }
        {
            const auto tracks{ Track::findIds(session, Track::FindParameters {}.setKeywords({"%MyTrack"})) };
            ASSERT_EQ(tracks.results.size(), 2);
            EXPECT_EQ(tracks.results[0], track4.getId());
            EXPECT_EQ(tracks.results[1], track5.getId());
        }
    }
}

TEST_F(DatabaseFixture, Track_date)
{
    ScopedTrack track{ session, "MyTrack" };
    const Wt::WDate date{ 1995, 5, 5 };
    const Wt::WDate originalDate{ 1994, 2, 2 };
    {
        auto transaction{ session.createReadTransaction() };
        EXPECT_EQ(track->getYear(), std::nullopt);
        EXPECT_EQ(track->getOriginalYear(), std::nullopt);
    }

    {
        auto transaction{ session.createWriteTransaction() };
        track.get().modify()->setDate(date);
        track.get().modify()->setOriginalDate(originalDate);
    }

    {
        auto transaction{ session.createReadTransaction() };
        EXPECT_EQ(track->getYear(), std::nullopt);
        EXPECT_EQ(track->getOriginalYear(), std::nullopt);
        EXPECT_EQ(track->getDate(), date);
        EXPECT_EQ(track->getOriginalDate(), originalDate);
    }

    {
        auto transaction{ session.createWriteTransaction() };
        track.get().modify()->setYear(date.year());
        track.get().modify()->setOriginalYear(originalDate.year());
    }

    {
        auto transaction{ session.createReadTransaction() };
        EXPECT_EQ(track->getYear(), date.year());
        EXPECT_EQ(track->getOriginalYear(), originalDate.year());
    }
}

TEST_F(DatabaseFixture, Track_writtenAfter)
{
    ScopedTrack track{ session, "MyTrack" };

    const Wt::WDateTime dateTime{ Wt::WDate {1950, 1, 1}, Wt::WTime {12, 30, 20} };

    {
        auto transaction{ session.createWriteTransaction() };
        track.get().modify()->setLastWriteTime(dateTime);
    }

    {
        auto transaction{ session.createReadTransaction() };
        const auto tracks{ Track::findIds(session, Track::FindParameters {}) };
        EXPECT_EQ(tracks.results.size(), 1);
    }

    {
        auto transaction{ session.createReadTransaction() };
        const auto tracks{ Track::findIds(session, Track::FindParameters {}.setWrittenAfter(dateTime.addSecs(-1))) };
        EXPECT_EQ(tracks.results.size(), 1);
    }

    {
        auto transaction{ session.createReadTransaction() };
        const auto tracks{ Track::findIds(session, Track::FindParameters {}.setWrittenAfter(dateTime.addSecs(+1))) };
        EXPECT_EQ(tracks.results.size(), 0);
    }
}