namespace Diligent.WebAPI.Host.Extensions
{
    public static class SwaggerConfigurationExtension
    {
        public static void ConfigureSwagger(this WebApplicationBuilder builder)
        {
            IServiceCollection services = builder.Services;

            services.AddVersionedApiExplorer(setup =>
            {
                setup.GroupNameFormat = "'v'VVV";
                setup.SubstituteApiVersionInUrl = true;
            });
            services.AddSwaggerGen(options =>
            {
                var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
                options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));

            }
            );
            services.ConfigureOptions<SwaggerConfigureOptions>();
            services.AddApiVersioning(options =>
            {
                options.AssumeDefaultVersionWhenUnspecified = true;
                options.ReportApiVersions = true;
                options.DefaultApiVersion = new ApiVersion(1, 0);
                options.ApiVersionReader = new UrlSegmentApiVersionReader();
            });
        }

        public static void ConfigureSwagger(this WebApplication app)
        {
            if (app.Environment.IsDevelopment())
            {
                app.UseSwagger();
                app.UseSwaggerUI(options =>
                {
                    options.SwaggerEndpoint("/swagger/v1/swagger.json", "v1");
                    options.SwaggerEndpoint("/swagger/v2/swagger.json", "v2");
                    options.RoutePrefix = string.Empty;
                });
            }
        }
    }
}