using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc.ApplicationModels;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System.Text.RegularExpressions;

namespace BaseService
{
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddRouting(options => options.ConstraintMap["slugify"] = typeof(SlugifyParameterTransformer));
            services.AddMvc(options => options.Conventions.Add(new RouteTokenTransformerConvention(new SlugifyParameterTransformer())));
            services.AddApplication<BaseServiceHostModule>();
        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory loggerFactory)
        {
            app.InitializeApplication();
        }
        public class SlugifyParameterTransformer : IOutboundParameterTransformer
        {
            public string TransformOutbound(object value)
            {
                if (value == null) { return null; }
                var str = value.ToString();
                if (string.IsNullOrEmpty(str)) { return null; }
                return Regex.Replace(str?.ToString(), "([a-z])([A-Z])", "$1-$2").ToLowerInvariant();
            }
        }
    }
}