using Extensions.Hosting.AsyncInitialization;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using Tnsu.ApprovalRoute.Infrastructure.Persistence;
using Tnsu.ApprovalRoute.Infrastructure.SharePoint;
using Tnsu.ApprovalRoute.Infrastructure.TnsuPortal;

namespace Tnsu.ApprovalRoute.Infrastructure;

public static class InfrastructureServiceCollectionExtensions
{
    public static IServiceCollection AddApprovalRouteInfrastructure(
        this IServiceCollection services, IConfiguration configuration)
    {
        services.AddHttpContextAccessor();

        services.AddDbContext<ApprovalRouteDbContext>(opt =>
            opt.UseNpgsql(configuration.GetConnectionString("Postgres"))
                .UseSnakeCaseNamingConvention());
        services.AddAsyncInitializer<DatabaseMigrationInitializer>();

        services.Configure<SharePointOptions>(configuration.GetSection("SharePoint"));
        // Провайдер сертификата — синглтон: разобранный .pfx кешируется на всё
        // время жизни процесса (см. DbCertificateProvider).
        services.AddSingleton<ICertificateProvider, DbCertificateProvider>();
        services.AddHttpClient<ISharePointClient, SharePointClient>();

        services.Configure<TnsuPortalOptions>(configuration.GetSection("TnsuPortal"));
        services.AddHttpClient<TnsuPortalTokenProvider>();
        services.AddHttpClient<ITnsuPortalClient, HttpTnsuPortalClient>((sp, client) =>
        {
            var options = sp.GetRequiredService<IOptions<TnsuPortalOptions>>().Value;
            client.BaseAddress = new Uri(options.BaseUrl);
        });

        return services;
    }
}