using Anthropic.SDK;
using IdentityModel;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Yavsc.Abstract.Interfaces;
using Yavsc.Helpers;
using Yavsc.Interface;
using Yavsc.Interfaces;
using Yavsc.Models;
using Yavsc;
using Yavsc.Server.Helpers;
using Yavsc.Services;
using Yavsc.Server.Hubs;

internal class Program
{
    private static async Task Main(string[] args)
    {
        Console.Title = "API";

        var builder = WebApplication.CreateBuilder(args);

        builder.AddConfiguration("api");

        var services = builder.Services;

        // Anthropic client
        builder.Services.AddSingleton<AnthropicClient>(_ =>
            new AnthropicClient(
                new APIAuthentication(
                    builder.Configuration["ANTHROPIC_API_KEY"]
                    ?? throw new InvalidOperationException("ANTHROPIC_API_KEY manquante")
                )
            )
        );

        // Service de modération
        if (builder.Environment.IsDevelopment())
            builder.Services.AddScoped<IModerationService, MockModerationService>();
        else
            builder.Services.AddScoped<IModerationService, ClaudeModerationService>();


        // accepts any access token issued by identity server
        // adds an authorization policy for scope 'scope1'

        services
            .AddAuthorization(options =>
            {
                options.AddPolicy("ApiScope", policy =>
                {
                    policy
                        .RequireAuthenticatedUser()
                        .RequireClaim(JwtClaimTypes.Scope, new string[] { "api" });
                });

                options.AddPolicy("AdministratorOnly", policy =>
                {
                    policy
                        .RequireAuthenticatedUser()
                        .RequireClaim(Constants.RoleClaimType, Constants.AdminGroupName);
                });
            })
            .AddYavscCors(builder.Configuration)
            .AddControllersWithViews();

        // Binds the "Site" section (Bills, TempDir, Avatars, …) used by
        // the document-generation flow and BillingController.
        services.Configure<SiteSettings>(builder.Configuration.GetSection("Site"));

        // accepts any access token issued by identity server
        services.AddAuthentication("Bearer")
                 .AddYavscJwtBearer(builder.Configuration);

        services.AddSignalR()
            // ChatRoomInfo et d'autres DTO de hub exposent des champs
            // publics (pas des propriétés) : STJ ne les sérialise pas
            // sans IncludeFields, et le client recevrait des objets vides.
            .AddJsonProtocol(options =>
                options.PayloadSerializerOptions.IncludeFields = true);
        services.AddSingleton<IConnexionManager, HubConnectionManager>();

        // DbContextBuilder
        services.AddDbContext<ApplicationDbContext>(options =>
           options.UseNpgsql(builder.Configuration.GetConnectionString(
            Yavsc.Constants.YavscConnectionStringName)));

        services.AddIdentityCore<ApplicationUser>(options =>
            {
                options.ClaimsIdentity.UserNameClaimType = JwtClaimTypes.PreferredUserName;
                options.ClaimsIdentity.RoleClaimType = Constants.RoleClaimType;
            })
            .AddRoles<IdentityRole>()
            .AddEntityFrameworkStores<ApplicationDbContext>()
            .AddDefaultTokenProviders()
            .AddSignInManager();

        services.AddLocalization(options =>
        {
            options.ResourcesPath = "Resources";
        });
        //
        services.AddTransient<Microsoft.AspNetCore.Identity.IEmailSender<ApplicationUser>, MailSender>();
        services.AddTransient<ITrueEmailSender, MailSender>()
        .AddTransient<Microsoft.AspNetCore.Identity.UI.Services.IEmailSender,
         MailSender>()
        .TryAddSingleton<ISmtpClientFactory, SmtpClientFactory>();
        services
           .AddTransient<IBillingService, BillingService>()
           .AddTransient<ICalendarManager, CalendarManager>()
           .AddTransient<IYavscMessageSender, YavscMessageSender>();
        services.AddTransient<IFileSystemAuthManager, FileSystemAuthManager>();
        builder.Services.AddSession(options =>
        {
            options.IdleTimeout = TimeSpan.FromMinutes(30);
            options.Cookie.HttpOnly = true;
            options.Cookie.IsEssential = false;
        });

        builder.Services.AddDistributedMemoryCache();

        builder.Services.Configure<RequestLocalizationOptions>(options =>
        {
            var supportedCultures = new[] { "fr", "en", "pt" };
            options.SetDefaultCulture(supportedCultures[0])
                .AddSupportedCultures(supportedCultures)
                .AddSupportedUICultures(supportedCultures);
        });
        WorkflowHelpers.ConfigureBillingService();
        using (var app = builder.Build())
        {
            if (app.Environment.IsDevelopment())
                app.UseDeveloperExceptionPage();

            app.UseMiddleware<ResourceUsageTelemetryMiddleware>();
            app
                .UseRouting()
                .UseAuthentication()
                .UseAuthorization()
                .UseCors("default");
            app.MapIdentityApi<ApplicationUser>().RequireAuthorization("ApiScope");
            app.MapDefaultControllerRoute();
            app.UseSession();
            app.MapHub<ChatHub>("/" + Constants.ChatHubPath);
            await app.RunAsync();
        }
    }
}