using System.Reflection;
using System.Text;
using FastEndpoints;
using FastEndpoints.Swagger;
using GB5Shared.Connection;
using GB5Shared.Telemetry;
using GB5Shared.DateConverter;
using static GB5Shared.DateConverter.GB5JsonOptions;
using GB5Shared.DTO.Framework.CommonConfig;
using GB5Shared.EntityHandler;
using GB5Shared.GB5CommonFunction;
using GB5Shared.GB5Library.Qualifier;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.GOP.Qualifier;
using GB5Shared.PubSub.OutBox;
using GB5Shared.QueryExecutor;
using GB5Shared.Validation;
using GB5Shared.WorkFlow.WorkFlowEngine;
using GB5Shared.WorkFlow.WorkFlowRunTime;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.Extensions.Caching.Hybrid;
using OpenTelemetry;
using OpenTelemetry.Metrics;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;

// -------------------------
// Bootstrap
// -------------------------
var builder = WebApplication.CreateBuilder(args);

// -------------------------
// Console Encoding
// -------------------------
Console.OutputEncoding = Encoding.UTF8;

// ── Port from config — change "AppPort" in appsettings.json to use any port ──
var appPort = builder.Configuration.GetValue<int>("AppPort");
builder.WebHost.UseUrls($"http://0.0.0.0:{appPort}");

// -------------------------
// Dapr & Controllers Setup
// -------------------------
builder.Services.AddDaprClient();

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

// -------------------------
// JSON Global (Minimal API / HttpContext)
// -------------------------
builder.Services.ConfigureHttpJsonOptions(options =>
{
    options.SerializerOptions.PropertyNamingPolicy = null;
    options.SerializerOptions.DictionaryKeyPolicy = null;
    options.SerializerOptions.AddGB5Converters();
});

// -------------------------
// Caching
// -------------------------
#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();

// -------------------------
// CORS Policy
// -------------------------

// -------------------------
// Application Services
// -------------------------
builder.Services.AddScoped<IQueryExecutor, QueryExecutor>();
builder.Services.AddScoped<IApplicationConnection, ApplicationConnection>();
builder.Services.AddScoped<IGB5CommonFunction, GB5CommonFunction>();
builder.Services.AddScoped<IValidation, Validation>();
builder.Services.AddScoped<AutoNumber>();
builder.Services.AddScoped<GB5Shared.CriteriaConfig.ICriteriaConfigFastSave, GB5Shared.CriteriaConfig.CriteriaConfigFastSave>();

// -------------------------
// Workflow (required by BaseEntityAppService.ExecuteSaveAsync)
// -------------------------
builder.Services.AddScoped<IWorkFlowRunTime, WorkFlowRunTime>();
builder.Services.AddScoped<IWorkFlowEngine, WorkFlowEngine>();
builder.Services.AddScoped<IUserDelegationResolver, UserDelegationResolver>();

// -------------------------
// Generic Entity Save Pipeline (ExecuteSaveAsync) — Deal/LeadScoringConfig route their saves
// through this per CLAUDE.md's Transaction Management pattern (SalesMind AI "Pipeline & Lead
// Intelligence" slice — mirrors MarketingSL/Program.cs verbatim).
// -------------------------
builder.Services.AddScoped(typeof(BaseEntityAppService<>), typeof(BaseEntityAppService<>));

// -------------------------
// Qualifier Engine (required by BaseEntityAppService.ExecuteSaveAsync)
// -------------------------
builder.Services.AddScoped<IQualifierFacade, QualifierFacade>();
builder.Services.AddGB5QualifierEngine();

// -------------------------
// Outbox (required by BaseEntityAppService.ExecuteSaveAsync)
// -------------------------
builder.Services.AddScoped<IOutBox, OutBox>();

// -------------------------
// Cache invalidation (used by BLL after every write per CLAUDE.md's caching rules)
// -------------------------
builder.Services.AddScoped<GB5Shared.DaprCache.KeyInvalidate>();

// -------------------------
// Action/Outbox dispatch (parity with MarketingSL — not exercised by this slice yet, kept for
// consistency with the DI wiring pattern this module must replicate).
// -------------------------
builder.Services.AddScoped<GB5Shared.ActionProcessor.IEventActionRunDAL, GB5Shared.ActionProcessor.EventActionRunDAL>();
builder.Services.AddScoped<GB5Shared.ActionProcessor.IActionOutboxDAL, GB5Shared.ActionProcessor.ActionOutboxDAL>();

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

// -------------------------
// Kestrel
// -------------------------
builder.Services.Configure<KestrelServerOptions>(options =>
{
    options.AllowSynchronousIO = true;
});
// -- OpenTelemetry (Tracing + Metrics) ----------------------------------------
builder.Services.AddGB5Telemetry(builder.Configuration, "GB5-CRMSALES");

// -------------------------
// Assembly Scan for DI
// -------------------------
var crmSalesBLLAssembly = Assembly.Load("CRMSalesBLL");
var crmSalesDALAssembly = Assembly.Load("CRMSalesDAL");

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

// -------------------------
// FastEndpoints
// -------------------------
builder.Services.AddFastEndpoints();

// -------------------------
// Swagger
// -------------------------
builder.Services.SwaggerDocument(o =>
{
    o.DocumentSettings = s =>
    {
        s.Title = "GB5 CRMSales Service";
        s.Version = "v1";
        s.Description = "GB5 CRMSales (SalesMind AI) Microservice";
    };
});

// -------------------------
// Build App
// -------------------------
var app = builder.Build();

// -------------------------
// Middleware
// -------------------------

app.UseCloudEvents();

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.MapControllers();

app.MapSubscribeHandler();

// -------------------------
// Swagger UI (All Environments)
// -------------------------
app.UseOpenApi();

app.UseSwaggerUi(o =>
{
    o.Path = "/GB5Documentation";
    o.DocumentPath = "/swagger/{documentName}/swagger.json";
    o.TransformToExternalPath = (internalUiRoute, _) => "/crmsales" + internalUiRoute;
});

// -------------------------
// Test Endpoint
// -------------------------
app.MapGet("/", () => "Hello from GB5 CRMSales Service (.NET 9)");

// -------------------------
// HTTPS & Authorization
// -------------------------
app.UseAuthorization();

// -------------------------
// Run the Application
// -------------------------
app.Run();