using Ludarium.Infrastructure;
using Ludarium.Domain;

namespace Ludarium.IntegrationTests;

public sealed class GameArtworkStoreTests
{
    [Fact]
    public async Task StoresValidatedArtworkAndRejectsUnknownPayloads()
    {
        var root = Path.Combine(Path.GetTempPath(), "ludarium-artwork-tests", Guid.NewGuid().ToString("N"));
        try
        {
            var store = new GameArtworkStore(root);
            var gameId = Guid.NewGuid();
            var png = new byte[] { 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 1, 2, 3, 4 };
            await using var content = new MemoryStream(png);
            Assert.Equal("image/png", await store.SaveAsync(gameId, content, png.Length, CancellationToken.None, "Libretro"));
            Assert.Equal("Libretro", store.GetSource(gameId));
            var described = Assert.IsType<GameArtwork>(await store.DescribeAsync(gameId, "Libretro", "exact-test", Confidence.High, CancellationToken.None));
            var jpeg = new byte[] { 0xff, 0xd8, 0xff, 1, 2, 3, 4 };
            await using (var replacement = new MemoryStream(jpeg))
                await store.SaveAsync(gameId, replacement, jpeg.Length, CancellationToken.None, "Uploaded");
            var preserved = Assert.IsType<StoredGameArtwork>(await store.OpenAsync(gameId, CancellationToken.None, described.Id, false));
            Assert.Equal("image/png", preserved.ContentType);
            await preserved.Content.DisposeAsync();
            var saved = await store.OpenAsync(gameId, CancellationToken.None);
            Assert.NotNull(saved);
            Assert.Equal("image/jpeg", saved.ContentType);
            Assert.Equal(jpeg.Length, saved.Length);
            await saved.Content.DisposeAsync();
            Assert.True(store.Delete(gameId));
            Assert.False(store.Delete(gameId));

            await using var invalid = new MemoryStream("not-an-image"u8.ToArray());
            await Assert.ThrowsAsync<ArtworkValidationException>(() =>
                store.SaveAsync(Guid.NewGuid(), invalid, invalid.Length, CancellationToken.None));
        }
        finally
        {
            if (Directory.Exists(root)) Directory.Delete(root, true);
        }
    }
}