using IdentityServer.Wrapper;
using Microsoft.AspNetCore.Authentication;
using Microsoft.Extensions.DependencyInjection;
using System;

namespace NDB.Security.Authentication.Identity
{
    public static class BasicAuthenticationExtensions
    {
        public static IServiceCollection AddBasicAuthentication(this IServiceCollection services, string identityServerBaseAddress)
        {
            if (string.IsNullOrEmpty(identityServerBaseAddress))
                throw new Exception($"Identity server base address must be provided.");

            // Identity server
            services.UseIdentityServices(identityServerBaseAddress);

            // configure basic authentication 
            services.AddAuthentication("BasicAuthentication")
                .AddScheme<AuthenticationSchemeOptions, BasicAuthenticationHandler>("BasicAuthentication", null);

            return services;
        }
    }
}