using Jellyfin.Plugin.Multilang.Data;
using Jellyfin.Plugin.Multilang.Services.Providers;
using Jellyfin.Plugin.Multilang.Services.Refresh;

namespace Jellyfin.Plugin.Multilang.Tests;

public sealed class TranslationStoreImportTests
{
    [Fact]
    public void ImportTranslationDatabaseKeepsOnlyLiveItemsAndAllowedLanguages()
    {
        var root = TestPaths.CreateRoot();
        try
        {
            var source = new TranslationStore(new TestApplicationPaths(Path.Combine(root, "source")));
            var destination = new TranslationStore(new TestApplicationPaths(Path.Combine(root, "destination")));
            var liveId = "11111111111111111111111111111111";
            var staleId = "22222222222222222222222222222222";
            SeedImportSource(source, liveId, staleId);

            var exportPath = Path.Combine(root, "export.sqlite");
            source.ExportTranslationDatabase(exportPath);

            var result = destination.ImportTranslationDatabase(
                exportPath,
                new HashSet<string>(StringComparer.OrdinalIgnoreCase) { liveId },
                new HashSet<string>(StringComparer.OrdinalIgnoreCase) { "en" });

            Assert.Equal(new ImportDatabaseResult(Facts: 1, Translations: 1, Assets: 1, Genres: 2), result);
            Assert.NotNull(destination.GetFacts(liveId));
            Assert.Null(destination.GetFacts(staleId));
            Assert.Equal("English title", Translation(destination, liveId, "en", "title"));
            Assert.Null(Translation(destination, liveId, "fi", "title"));
            Assert.Null(destination.GetAssetPath(liveId, "fi", "poster"));
            Assert.Equal("https://asset/en.jpg", destination.GetAssetPath(liveId, "en", "poster"));
            Assert.Equal(["en", "Original"], destination.GetGenres("movie").Select(g => g.Lang).OrderBy(v => v).ToArray());
        }
        finally
        {
            TestPaths.DeleteRoot(root);
        }
    }

    private static void SeedImportSource(TranslationStore store, string liveId, string staleId)
    {
        store.UpsertFacts(Item(liveId), Metadata("Live"), 1, 2);
        store.UpsertFacts(Item(staleId), Metadata("Stale"), 1, 2);
        store.UpsertTranslation(liveId, "en", "title", "English title");
        store.UpsertTranslation(liveId, "fi", "title", "Finnish title");
        store.UpsertTranslation(staleId, "en", "title", "Stale English title");
        store.UpsertAsset(liveId, "en", "poster", "https://asset/en.jpg", 1);
        store.UpsertAsset(liveId, "fi", "poster", "https://asset/fi.jpg", 1);
        store.UpsertAsset(staleId, "en", "poster", "https://asset/stale.jpg", 1);
        store.UpsertGenre(1, "movie", "en", "Action");
        store.UpsertGenre(1, "movie", "fi", "Toiminta");
        store.UpsertGenre(1, "movie", "Original", "Original action");
    }

    private static RefreshItemInfo Item(string itemId)
        => new(itemId, "123", "movie", RefreshWorkClass.Movies, 0, 0, null, "Movie");

    private static TmdbMetadata Metadata(string title)
        => new(title, "Overview", "Tagline", title, "en", ["US"], ["US"], ["en"], [new TmdbGenre(1, "Action")]);

    private static string? Translation(TranslationStore store, string itemId, string lang, string field)
        => store.GetTranslations([itemId], [lang])
            .GetValueOrDefault(itemId)?
            .GetValueOrDefault(lang)?
            .GetValueOrDefault(field);
}