using System.Reflection;
using System.Text;
using FastEndpoints;
using FastEndpoints.Swagger;
using GB5Shared.Auth.Jwt;
using GB5Shared.Connection;
using GB5Shared.Telemetry;
using GB5Shared.DateConverter;
using static GB5Shared.DateConverter.GB5JsonOptions;
using GB5Shared.DTO.Framework.CommonConfig;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.QueryExecutor;
using GB5Shared.Validation;
using GB5Shared.Vault;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.ResponseCompression;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.Extensions.Caching.Hybrid;
using OpenTelemetry;

Console.OutputEncoding = Encoding.UTF8;

var builder = WebApplication.CreateBuilder(args);

var appPort = builder.Configuration.GetValue<int>("AppPort");
builder.WebHost.UseUrls($"http://0.0.0.0:{appPort}");

builder.Services.AddDaprClient();
builder.Services.AddHttpClient();
builder.Services.AddControllers()
    .AddDapr()
    .AddJsonOptions(options =>
    {
        options.JsonSerializerOptions.PropertyNamingPolicy = null;
        options.JsonSerializerOptions.DictionaryKeyPolicy = null;
        options.JsonSerializerOptions.AddGB5Converters();
    });

builder.Services.ConfigureHttpJsonOptions(options =>
{
    options.SerializerOptions.PropertyNamingPolicy = null;
    options.SerializerOptions.DictionaryKeyPolicy = null;
    options.SerializerOptions.AddGB5Converters();
});

#pragma warning disable EXTEXP0018
builder.Services.AddHybridCache(options =>
{
    options.DefaultEntryOptions = new HybridCacheEntryOptions();
    options.DisableCompression = false;
});
#pragma warning restore EXTEXP0018

builder.Services.AddMemoryCache();
builder.Services.AddDistributedMemoryCache();
builder.Services.AddHttpContextAccessor();

builder.Services.AddScoped<IApplicationConnection, ApplicationConnection>();
builder.Services.AddScoped<IQueryExecutor, QueryExecutor>();
builder.Services.AddScoped<IValidation, Validation>();
builder.Services.AddScoped<AutoNumber>();
builder.Services.AddScoped<GB5Shared.CriteriaConfig.ICriteriaConfigFastSave, GB5Shared.CriteriaConfig.CriteriaConfigFastSave>();
builder.Services.AddScoped<GB5Shared.DaprCache.KeyInvalidate>();

builder.Services.Configure<KestrelServerOptions>(options =>
{
    options.AllowSynchronousIO = true;
});

builder.Services.AddResponseCompression(o =>
{
    o.EnableForHttps = true;
    o.Providers.Add<GzipCompressionProvider>();
});

builder.Services.AddGB5Telemetry(builder.Configuration, "GB5-EAIADMIN");

builder.Services.Configure<Gb5SystemDTO>(builder.Configuration.GetSection("Gb5SystemDTO"));

// Vault + shared JWT issuer + Enterprise AI engine transport — see PlatformHost/Program.cs for the
// host-aggregated registration this standalone path mirrors for DI-graph parity.
builder.Services.AddGB5Vault(builder.Configuration);
builder.Services.AddGB5JwtIssuer();
builder.Services.AddScoped<GB5Shared.ExternalAI.IAIEngineSyncClient, GB5Shared.ExternalAI.AIEngineHttpClient>();
builder.Services.AddHttpClient("ai-enterprise", client => client.Timeout = TimeSpan.FromSeconds(120));

// Assembly scan — auto-registers all BLL and DAL implementations
var eaiAdminBllAssembly = Assembly.Load("EAIAdminBLL");
var eaiAdminDalAssembly = Assembly.Load("EAIAdminDAL");

builder.Services.Scan(scan => scan
    .FromAssemblies(eaiAdminBllAssembly, eaiAdminDalAssembly)
    .AddClasses(c => c.Where(t => !t.IsAbstract && !t.IsInterface
                && (t.Namespace == null || !t.Namespace.Contains(".DTO"))))
    .AsImplementedInterfaces()
    .WithScopedLifetime());

var endpointAssemblies = new[]
{
    Assembly.Load("EAIAdminSL"),
    Assembly.Load("EAIAdminBLL"),
    Assembly.Load("EAIAdminDAL"),
    Assembly.Load("GB5Shared")
};

builder.Services.AddFastEndpoints(o =>
{
    o.Assemblies = endpointAssemblies;
});

builder.Services.SwaggerDocument(o =>
{
    o.DocumentSettings = s =>
    {
        s.Title = "GB5 EAIAdmin API — Enterprise AI Config Admin";
        s.Version = "v1";
    };
    o.EnableJWTBearerAuth = false;
    o.ShortSchemaNames = true;
});

var app = builder.Build();

app.UseForwardedHeaders();
app.UseResponseCompression();
app.UseMiddleware<GB5Shared.Telemetry.Middleware.RequestTracingMiddleware>();
app.UseMiddleware<GB5Shared.Middleware.SessionHeartbeatMiddleware>();

app.UseFastEndpoints(c =>
{
    c.Serializer.Options.PropertyNamingPolicy = null;
    c.Serializer.Options.DictionaryKeyPolicy = null;
    c.Serializer.Options.AddGB5Converters();
});

app.UseOpenApi();
app.UseSwaggerUi(o =>
{
    o.Path = "/EAIAdminDocumentation";
    o.DocumentPath = "/swagger/{documentName}/swagger.json";
    o.TransformToExternalPath = (internalUiRoute, _) => "/eaiadmin" + internalUiRoute;
});

app.UseCloudEvents();
app.MapSubscribeHandler();
app.MapControllers();
app.MapGet("/", () => "Hello from GB5 EAIAdmin .NET API!");

app.UseAuthorization();
app.Run();