// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Mvc.ApplicationParts;
using Microsoft.Extensions.Hosting;
 
namespace RazorBuildWebSite;
 
public class StartupWithHostingStartup
{
    public void ConfigureServices(IServiceCollection services)
    {
        var fileProvider = new UpdateableFileProvider();
 
        // RuntimeCompilation supports a hosting startup that adds services before AddRazorPagesServices is invoked. This startup simulates
        // this configuration by simply putting the call to AddRazorRuntimeCompilation ahead of AddControllersWithViews / AddRazorPages.
        var mvcBuilder = new MockMvcBuilder { Services = services, };
        mvcBuilder.AddRazorRuntimeCompilation(options => options.FileProviders.Add(fileProvider));
 
        services.AddSingleton(fileProvider);
        services.AddControllersWithViews();
        services.AddRazorPages();
    }
 
    public void Configure(IApplicationBuilder app)
    {
        app.UseRouting();
        app.UseEndpoints(endpoints =>
        {
            endpoints.MapDefaultControllerRoute();
            endpoints.MapRazorPages();
            endpoints.MapFallbackToPage("/Fallback");
        });
    }
 
    public static void Main(string[] args)
    {
        using var host = CreateHostBuilder(args)
            .Build();
 
        host.Run();
    }
 
    public static IHostBuilder CreateHostBuilder(string[] args) =>
        new HostBuilder()
            .ConfigureWebHost(webHostBuilder =>
            {
                webHostBuilder
                    .UseContentRoot(Directory.GetCurrentDirectory())
                    .UseStartup<Startup>()
                    .UseKestrel();
            });
 
    private class MockMvcBuilder : IMvcBuilder
    {
        public IServiceCollection Services { get; set; }
        public ApplicationPartManager PartManager { get; }
    }
}