using Azure.Identity;
using Core.Blueprint.DAL.SQLServer;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

namespace Core.Blueprint.SQLServer.Configuration
{
    /// <summary>
    /// Provides extension methods for configuring SQL Server.
    /// </summary>
    public static class RegisterBlueprint
    {
        /// <summary>
        /// Configures SQL Server services, including the database context and generic repository, for dependency injection.
        /// </summary>
        /// <param name="services">The service collection to which the SQL Server services will be added.</param>
        /// <param name="configuration">The application configuration object for accessing settings such as connection strings.</param>
        /// <returns>An updated <see cref="IServiceCollection"/> with SQL Server services registered.</returns>
        public static IServiceCollection AddSQLServer(this IServiceCollection services, IConfiguration configuration)
        {
            var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? string.Empty;

            if (environment != "Local")
            {
                var chainedCredentials = new ChainedTokenCredential(
                    new ManagedIdentityCredential(),
                    new SharedTokenCacheCredential(),
                    new VisualStudioCredential(),
                    new VisualStudioCodeCredential()
                );
            }

            services.AddScoped(typeof(IEntityRepository<,>), typeof(EntityRepository<,>));

            return services;
        }
    }
}