// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Reflection;
using System.Text.Json;
using SignalRSamples.ConnectionHandlers;
using SignalRSamples.Hubs;
 
namespace SignalRSamples;
 
public class Startup
{
    private readonly JsonWriterOptions _jsonWriterOptions = new JsonWriterOptions { Indented = true };
 
    // This method gets called by the runtime. Use this method to add services to the container.
    // For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=398940
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddConnections();
 
        services.AddSignalR()
        .AddMessagePackProtocol();
        //.AddStackExchangeRedis();
    }
 
    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        app.UseFileServer();
 
        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }
 
        app.UseRouting();
 
        app.UseAuthorization();
 
        app.UseEndpoints(endpoints =>
        {
            endpoints.MapHub<DynamicChat>("/dynamic");
            endpoints.MapHub<Chat>("/default");
            endpoints.MapHub<Streaming>("/streaming");
            endpoints.MapHub<UploadHub>("/uploading");
            endpoints.MapHub<HubTChat>("/hubT");
 
            endpoints.MapConnectionHandler<MessagesConnectionHandler>("/chat");
 
            endpoints.MapGet("/deployment", async context =>
            {
                var attributes = Assembly.GetAssembly(typeof(Startup)).GetCustomAttributes<AssemblyMetadataAttribute>();
 
                context.Response.ContentType = "application/json";
                await using (var writer = new Utf8JsonWriter(context.Response.BodyWriter, _jsonWriterOptions))
                {
                    writer.WriteStartObject();
                    var commitHash = string.Empty;
 
                    foreach (var attribute in attributes)
                    {
                        writer.WriteString(attribute.Key, attribute.Value);
 
                        if (string.Equals(attribute.Key, "CommitHash"))
                        {
                            commitHash = attribute.Value;
                        }
                    }
 
                    if (!string.IsNullOrEmpty(commitHash))
                    {
                        writer.WriteString("GitHubUrl", $"https://github.com/aspnet/SignalR/commit/{commitHash}");
                    }
 
                    writer.WriteEndObject();
                    await writer.FlushAsync();
                }
            });
        });
    }
}