﻿// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

using System.IO;
using System.Linq;
using NUnit.Framework;
using osu.Game.Beatmaps;
using osu.Game.Tests.Resources;
using osu.Game.Beatmaps.Formats;
using osu.Game.IO.Archives;

namespace osu.Game.Tests.Beatmaps.IO
{
    [TestFixture]
    public class OszArchiveReaderTest
    {
        [Test]
        public void TestReadBeatmaps()
        {
            using (var osz = Resource.OpenResource("Beatmaps.241526 Soleily - Renatus.osz"))
            {
                var reader = new ZipArchiveReader(osz);
                string[] expected =
                {
                    "Soleily - Renatus (Deif) [Platter].osu",
                    "Soleily - Renatus (Deif) [Rain].osu",
                    "Soleily - Renatus (Deif) [Salad].osu",
                    "Soleily - Renatus (ExPew) [Another].osu",
                    "Soleily - Renatus (ExPew) [Hyper].osu",
                    "Soleily - Renatus (ExPew) [Normal].osu",
                    "Soleily - Renatus (Gamu) [Hard].osu",
                    "Soleily - Renatus (Gamu) [Insane].osu",
                    "Soleily - Renatus (Gamu) [Normal].osu",
                    "Soleily - Renatus (MMzz) [Futsuu].osu",
                    "Soleily - Renatus (MMzz) [Muzukashii].osu",
                    "Soleily - Renatus (MMzz) [Oni].osu"
                };
                var maps = reader.Filenames.ToArray();
                foreach (var map in expected)
                    Assert.Contains(map, maps);
            }
        }

        [Test]
        public void TestReadMetadata()
        {
            using (var osz = Resource.OpenResource("Beatmaps.241526 Soleily - Renatus.osz"))
            {
                var reader = new ZipArchiveReader(osz);

                BeatmapMetadata meta;
                using (var stream = new StreamReader(reader.GetStream("Soleily - Renatus (Deif) [Platter].osu")))
                    meta = Decoder.GetDecoder<Beatmap>(stream).Decode(stream).Metadata;

                Assert.AreEqual(241526, meta.OnlineBeatmapSetID);
                Assert.AreEqual("Soleily", meta.Artist);
                Assert.AreEqual("Soleily", meta.ArtistUnicode);
                Assert.AreEqual("03. Renatus - Soleily 192kbps.mp3", meta.AudioFile);
                Assert.AreEqual("Deif", meta.AuthorString);
                Assert.AreEqual("machinetop_background.jpg", meta.BackgroundFile);
                Assert.AreEqual(164471 + LegacyBeatmapDecoder.UniversalOffset, meta.PreviewTime);
                Assert.AreEqual(string.Empty, meta.Source);
                Assert.AreEqual("MBC7 Unisphere 地球ヤバイEP Chikyu Yabai", meta.Tags);
                Assert.AreEqual("Renatus", meta.Title);
                Assert.AreEqual("Renatus", meta.TitleUnicode);
            }
        }

        [Test]
        public void TestReadFile()
        {
            using (var osz = Resource.OpenResource("Beatmaps.241526 Soleily - Renatus.osz"))
            {
                var reader = new ZipArchiveReader(osz);
                using (var stream = new StreamReader(
                    reader.GetStream("Soleily - Renatus (Deif) [Platter].osu")))
                {
                    Assert.AreEqual("osu file format v13", stream.ReadLine()?.Trim());
                }
            }
        }
    }
}
