#region license
// This file is part of Vocaluxe.
//
// Vocaluxe 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.
//
// Vocaluxe 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 Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
#endregion

extern alias songserver;

using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using CSourceHelper = songserver::VocaluxeSongServer.Sources.CSourceHelper;
using CUsdbSongSource = songserver::VocaluxeSongServer.Sources.CUsdbSongSource;
using CYtDlp = songserver::VocaluxeSongServer.Sources.CYtDlp;

namespace Tests.SongServer
{
    [TestFixture]
    public class CSongSourcesTest
    {
        [Test]
        public void TestNormalizeAndMatch()
        {
            Assert.That(CSourceHelper.Normalize("Beyoncé – Halo!"), Is.EqualTo("beyonce halo"));
            Assert.That(CSourceHelper.Matches("halo beyonce", "Beyoncé - Halo"), Is.True);
            Assert.That(CSourceHelper.Matches("hal", "Beyoncé - Halo"), Is.True, "prefix of a word");
            Assert.That(CSourceHelper.Matches("queen", "Beyoncé - Halo"), Is.False);
            Assert.That(CSourceHelper.SafeName("AC/DC: Back in Black?"), Is.EqualTo("AC_DC_ Back in Black_"));
        }

        [Test]
        public void TestUsdbList()
        {
            // Shape of usdb.animux.de "link=list" with details=1 (sample and cover cells have no text)
            const string html = @"<table>
<tr class=""list_tr1"" data-songid=""1234"" data-lastchange=""1700000000"">
  <td><audio><source src=""x.mp3""></audio></td><td><img src=""data/cover/1234.jpg""></td>
  <td><a href=""?link=byartist"">Queen</a></td><td><a href=""?link=detail&id=1234"">Don&#039;t Stop Me Now</a></td>
  <td>Rock</td><td>1978</td><td>SingStar</td><td>Yes</td><td>English</td><td>someone</td><td>5</td><td>1000</td>
</tr>
<tr class=""list_tr2"" data-songid=""99""><td></td><td></td><td>ABBA</td><td>Waterloo</td><td></td><td></td></tr>
</table>";
            var results = CUsdbSongSource.ParseList(html);
            Assert.That(results.Select(r => r.SourceId), Is.EqualTo(new[] { "1234", "99" }));
            Assert.That(results[0].Artist, Is.EqualTo("Queen"));
            Assert.That(results[0].Title, Is.EqualTo("Don't Stop Me Now"));
            Assert.That(results[0].Details, Does.Contain("1978"));
            Assert.That(results[1].Title, Is.EqualTo("Waterloo"));
        }

        [Test]
        public void TestVideoTagAndImages()
        {
            var hints = CUsdbSongSource.ParseVideoTag("v=dQw4w9WgXcQ,a=https://youtu.be/aaaaaaaaaaa,co=artist/123/cover.jpg,bg=12345.jpg,co-rotate=5");
            Assert.That(hints.Video, Is.EqualTo("dQw4w9WgXcQ"));
            Assert.That(CYtDlp.YouTubeId(hints.Audio!), Is.EqualTo("aaaaaaaaaaa"));
            Assert.That(CUsdbSongSource.ImageUrl(hints.Cover!), Is.EqualTo("https://artist/123/cover.jpg"));
            Assert.That(CUsdbSongSource.ImageUrl(hints.Background!), Is.EqualTo("https://assets.fanart.tv/fanart/12345.jpg"));
            Assert.That(CUsdbSongSource.ImageUrl("https://images.fanart.tv/x.jpg"), Is.EqualTo("https://assets.fanart.tv/x.jpg"));
            Assert.That(CUsdbSongSource.ParseVideoTag("Queen - Song.mp4").Video, Is.Null, "a plain file name is no hint");

            Assert.That(CYtDlp.FindYouTubeIds("see <a href=\"https://www.youtube.com/watch?v=abcdefghijk&t=1\">x</a> or youtu.be/abcdefghijk and https://youtube.com/embed/ZZZZZZZZZZZ"),
                Is.EqualTo(new[] { "abcdefghijk", "ZZZZZZZZZZZ" }));
        }

        [Test]
        public void TestRewriteSong()
        {
            const string text = "#TITLE:Song\r\n#ARTIST:Band\r\n#MP3:Band - Song.mp3\r\n#VIDEO:v=dQw4w9WgXcQ,co=1.jpg\r\n#BPM:300\r\n: 0 4 5 La\r\nE\r\n";
            var result = CUsdbSongSource.RewriteSong(text, new Dictionary<string, string?> { ["MP3"] = "audio.m4a", ["VIDEO"] = "video.mp4", ["COVER"] = null });
            Assert.That(result, Is.EqualTo("#TITLE:Song\n#ARTIST:Band\n#BPM:300\n#MP3:audio.m4a\n#VIDEO:video.mp4\n: 0 4 5 La\nE\n"));
        }
    }
}