using dy.net.model.entity;
using dy.net.service;
using dy.net.Tests.TestInfrastructure;
using Microsoft.AspNetCore.DataProtection;

namespace dy.net.Tests;

public class DataProtectionPersistenceTests
{
    [Fact]
    public async Task WebDavPassword_DecryptsAfterProviderReconstructionFromPersistentKeys()
    {
        using var temporaryDirectory = new TemporaryDirectory();
        var keyDirectory = new DirectoryInfo(Path.Combine(temporaryDirectory.Path, "keys"));
        const string password = "持久化-password-123";

        var firstProvider = CreateProvider(keyDirectory);
        var protectedPassword = firstProvider
            .CreateProtector("dysync.webdav.password.v1")
            .Protect(password);

        var reconstructedProvider = CreateProvider(keyDirectory);
        var service = new WebDavSettingsService(null, reconstructedProvider);
        var decrypted = await service.GetPasswordAsync(new WebDavSettings
        {
            ProtectedPassword = protectedPassword
        });

        Assert.Equal(password, decrypted);
    }

    private static IDataProtectionProvider CreateProvider(DirectoryInfo directory) =>
        DataProtectionProvider.Create(directory, builder => builder.SetApplicationName("dysync.net"));
}