using System.Text;
using Ludarium.Domain;
using Ludarium.Infrastructure;

namespace Ludarium.IntegrationTests;

public sealed class GameMediaStoreTests
{
    [Fact]
    public async Task AppOwnedManualIsBoundedHashedAndDeletable()
    {
        var directory = Path.Combine(Path.GetTempPath(), "ludarium-media-" + Guid.NewGuid().ToString("N"));
        try
        {
            var store = new GameMediaStore(directory);
            var bytes = Encoding.ASCII.GetBytes("%PDF-1.7\n% deterministic synthetic fixture\n");
            var media = await store.SaveAsync(Guid.NewGuid(), Guid.NewGuid(), GameMediaKind.Manual,
                "Synthetic manual", new MemoryStream(bytes), bytes.Length, CancellationToken.None);
            Assert.Equal("application/pdf", media.ContentType);
            Assert.True(media.AppOwned);
            Assert.Equal(64, media.Sha256?.Length);
            var opened = Assert.IsType<StoredGameMedia>(await store.OpenAsync(media, CancellationToken.None));
            await using (opened.Content) Assert.Equal(bytes.Length, opened.Length);
            Assert.True(store.Delete(media));
            Assert.Null(await store.OpenAsync(media, CancellationToken.None));
        }
        finally
        {
            if (Directory.Exists(directory)) Directory.Delete(directory, true);
        }
    }

    [Fact]
    public async Task ExecutableBytesAreNeverAcceptedAsMedia()
    {
        var directory = Path.Combine(Path.GetTempPath(), "ludarium-media-" + Guid.NewGuid().ToString("N"));
        try
        {
            var store = new GameMediaStore(directory);
            var executable = new byte[] { 0x4d, 0x5a, 0x90, 0x00, 0x03, 0x00 };
            await Assert.ThrowsAsync<MediaValidationException>(() => store.SaveAsync(Guid.NewGuid(), Guid.NewGuid(),
                GameMediaKind.Manual, "Do not execute", new MemoryStream(executable), executable.Length, CancellationToken.None));
            Assert.Empty(Directory.EnumerateFiles(directory, "*", SearchOption.AllDirectories));
        }
        finally
        {
            if (Directory.Exists(directory)) Directory.Delete(directory, true);
        }
    }
}