using System.IO.Compression;
using Jellyfin.Plugin.Multilang.Configuration;
using Jellyfin.Plugin.Multilang.Data;
using Jellyfin.Plugin.Multilang.Services.Backup;

namespace Jellyfin.Plugin.Multilang.Tests;

public sealed class MultilangBackupServiceTests
{
    [Fact]
    public void FullExportIncludesTheSelectedSections()
    {
        var root = TestPaths.CreateRoot();
        try
        {
            var store = new TranslationStore(new TestApplicationPaths(root));
            store.SaveUserRules(UserId, new UserRulesDocument { Enabled = true, SortLocale = "fi-FI" });
            var service = new MultilangBackupService(store, null!, null!);

            var bytes = service.Export(
                new BackupExportOptions(PluginSettings: true, UserSettings: true, TranslationsDatabase: true, DownloadedAssets: false),
                new PluginConfiguration { Languages = ["en", "fi"] });

            using var zip = new ZipArchive(new MemoryStream(bytes), ZipArchiveMode.Read);
            Assert.NotNull(zip.GetEntry("manifest.json"));
            Assert.NotNull(zip.GetEntry("plugin-config.json"));
            Assert.NotNull(zip.GetEntry("translations.sqlite"));
            Assert.NotNull(zip.GetEntry("user-rules/" + UserId + ".json"));
            Assert.Null(zip.GetEntry("assets/"));
        }
        finally
        {
            TestPaths.DeleteRoot(root);
        }
    }

    [Fact]
    public void UserExportCanBeInspectedAndImportedForAnotherUser()
    {
        var root = TestPaths.CreateRoot();
        try
        {
            var store = new TranslationStore(new TestApplicationPaths(root));
            var service = new MultilangBackupService(store, null!, null!);
            var sourceRules = new UserRulesDocument
            {
                Enabled = true,
                SortLocale = "sv-SE",
                TrustTmdbCollections = false
            };

            var bytes = service.ExportUserRules(UserId, sourceRules);
            var inspection = service.InspectUserImport(new MemoryStream(bytes), OtherUserId);
            var result = service.ImportUser(new MemoryStream(bytes), OtherUserId, UserId);

            Assert.Equal(1, inspection.UserSettingsCount);
            Assert.False(inspection.ContainsCurrentUser);
            Assert.Equal([UserId], inspection.UserIds);
            Assert.Equal(1, result.UserSettingsImported);
            var imported = store.GetUserRules(OtherUserId);
            Assert.NotNull(imported);
            Assert.True(imported.Enabled);
            Assert.Equal("sv-SE", imported.SortLocale);
            Assert.False(imported.TrustTmdbCollections);
        }
        finally
        {
            TestPaths.DeleteRoot(root);
        }
    }

    private const string UserId = "11111111111111111111111111111111";
    private const string OtherUserId = "22222222222222222222222222222222";
}