using MeWeb.App.ViewModels;
using MeWeb.Core.Checks;
using MeWeb.Core.History;
using MeWeb.Core.Knowledge;
using MeWeb.Core.Net;
using MeWeb.Core.Router;
using MeWeb.Shared;

using Microsoft.Extensions.DependencyInjection;

namespace MeWeb.App;

public static class AppServices
{
  public const string Secure = "secure";
  public const string Plain = "plain";

  public static IServiceCollection AddMeWebApp(this IServiceCollection services, IPlatform platform)
  {
    var agent = $"me-web/{BuildInfo.Version}";
    services.AddHttpClient(Secure, http => http.DefaultRequestHeaders.UserAgent.ParseAdd(agent));
    services.AddHttpClient(Plain, http => http.DefaultRequestHeaders.UserAgent.ParseAdd(agent))
      .ConfigurePrimaryHttpMessageHandler(() => new SocketsHttpHandler { AllowAutoRedirect = false });
    services.AddSingleton(platform);
    services.AddSingleton(sp =>
    {
      var factory = sp.GetRequiredService<IHttpClientFactory>();
      return new ServerProbe(factory.CreateClient(Secure), factory.CreateClient(Plain));
    });
    services.AddSingleton<KnowledgeBase>();
    var folder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "MeWeb");
    services.AddSingleton(new HistoryStore(folder));
    services.AddSingleton(new Leftovers(folder));
    services.AddSingleton(new Submissions(folder));
    services.AddSingleton(sp => new CheckRunner(sp.GetRequiredService<IPlatform>(), sp.GetRequiredService<ServerProbe>(), sp.GetRequiredService<KnowledgeBase>(),
      sp.GetRequiredService<HistoryStore>(), sp.GetRequiredService<IHttpClientFactory>().CreateClient(Secure), folder));
    services.AddSingleton<Reach>();
    services.AddTransient<MainViewModel>();
    return services;
  }
}