using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Tnsu.ApprovalRoute.Application;
using Tnsu.ApprovalRoute.Application.Common.Interfaces;
using Tnsu.ApprovalRoute.Infrastructure;
using Tnsu.ApprovalRoute.Infrastructure.TnsuPortal;

namespace Tnsu.ApprovalRoute.IntegrationTests.Infrastructure;

// Собирает такой же DI-контейнер, как реальное приложение (те же extension-методы, что в Program.cs),
// но с тестовой БД, тестовым ICurrentUser и подменяемым (Moq) клиентом api.tnsu.kz.
internal static class TestServiceProviderFactory
{
    public static ServiceProvider Build(
        string connectionString,
        string? currentUserEmail = "initiator@tnsu.kz",
        ITnsuPortalClient? portalClient = null)
    {
        var configuration = new ConfigurationBuilder()
            .AddInMemoryCollection(new Dictionary<string, string?>
            {
                ["ConnectionStrings:Postgres"] = connectionString
            })
            .Build();

        var services = new ServiceCollection();
        services.AddApprovalRouteInfrastructure(configuration);
        services.AddApprovalRouteApplication();
        services.AddSingleton<ICurrentUser>(new TestCurrentUser(currentUserEmail));

        if (portalClient is not null)
            services.AddSingleton(portalClient);

        return services.BuildServiceProvider();
    }
}