using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Configuration;
using Microsoft.EntityFrameworkCore;
using Knot.Modules.Auth.Infrastructure.Persistence;
using Knot.Contracts.Auth.Domain;
using Knot.Contracts.Auth.Domain;
using Knot.Contracts.Auth.Application.Abstractions;
using Knot.Modules.Auth.Infrastructure.Authentication;
using Knot.Shared.Kernel;

namespace Knot.Modules.Auth;

public static class DependencyInjection
{
    /// <summary>
    /// Регистрация сервисов модуля Identity.
    /// </summary>
    public static IServiceCollection AddAuthModule(
        this IServiceCollection services,
        IConfiguration configuration)
    {
        // Настройка базы данных
        string connectionString = configuration.GetConnectionString("DefaultConnection")!;

        services.AddDbContext<AuthDbContext>(options =>
            options.UseNpgsql(connectionString));

        // Регистрация Unit of Work и Репозиториев
        services.AddScoped<IAuthUnitOfWork>(sp => sp.GetRequiredService<AuthDbContext>());
        services.AddScoped<IAuthDbContext>(sp => sp.GetRequiredService<AuthDbContext>());
        services.AddScoped<IUserRepository, UserRepository>();
        services.AddScoped<IJwtTokenProvider, JwtTokenProvider>();
        services.AddScoped<IUserDisplayNameProvider, Knot.Modules.Auth.Infrastructure.Services.UserDisplayNameProvider>();

        // Регистрация MediatR для этого модуля
        services.AddMediatR(config =>
            config.RegisterServicesFromAssembly(typeof(DependencyInjection).Assembly));

        return services;
    }
}