using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using StellaOps.AirGap.Policy;
using StellaOps.Notifier.Worker.Channels;
using StellaOps.Notify.Engine;
using StellaOps.Notify.Queue;
using StellaOps.Notify.Storage.Postgres;
using StellaOps.Notifier.Worker.Storage;
using StellaOps.Notifier.Worker.Dispatch;
using StellaOps.Notifier.Worker.Options;
using StellaOps.Notifier.Worker.Processing;
using StellaOps.Notifier.Worker.Templates;

var builder = Host.CreateApplicationBuilder(args);

builder.Configuration
    .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
    .AddEnvironmentVariables(prefix: "NOTIFIER_");

builder.Logging.ClearProviders();
builder.Logging.AddSimpleConsole(options =>
{
    options.TimestampFormat = "yyyy-MM-ddTHH:mm:ss.fffZ ";
    options.UseUtcTimestamp = true;
});

builder.Services.Configure<NotifierWorkerOptions>(builder.Configuration.GetSection("notifier:worker"));
builder.Services.AddSingleton(TimeProvider.System);

var postgresSection = builder.Configuration.GetSection("notifier:storage:postgres");
builder.Services.AddNotifyPostgresStorage(builder.Configuration, postgresSection.Path);

builder.Services.AddAirGapEgressPolicy(builder.Configuration);

builder.Services.AddNotifyEventQueue(builder.Configuration, "notifier:queue");
builder.Services.AddHealthChecks().AddNotifyQueueHealthCheck();

// In-memory storage replacements (document store removed)
builder.Services.AddSingleton<INotifyChannelRepository, InMemoryNotifyRepositories>();
builder.Services.AddSingleton<INotifyRuleRepository, InMemoryNotifyRepositories>();
builder.Services.AddSingleton<INotifyTemplateRepository, InMemoryNotifyRepositories>();
builder.Services.AddSingleton<INotifyDeliveryRepository, InMemoryNotifyRepositories>();
builder.Services.AddSingleton<INotifyAuditRepository, InMemoryNotifyRepositories>();
builder.Services.AddSingleton<INotifyLockRepository, InMemoryNotifyRepositories>();
builder.Services.AddSingleton<IInAppInboxStore, InMemoryInboxStore>();

builder.Services.AddSingleton<INotifyRuleEvaluator, DefaultNotifyRuleEvaluator>();
builder.Services.AddSingleton<NotifierEventProcessor>();
builder.Services.AddHostedService<NotifierEventWorker>();

// Template service (versioning, localization, redaction)
builder.Services.AddTemplateServices(options =>
{
    var provenanceUrl = builder.Configuration["notifier:provenance:baseUrl"];
    if (!string.IsNullOrWhiteSpace(provenanceUrl))
    {
        options.ProvenanceBaseUrl = provenanceUrl;
    }
});

// Dispatch/rendering services
builder.Services.AddHttpClient<WebhookChannelDispatcher>(client =>
{
    client.Timeout = TimeSpan.FromSeconds(30);
    client.DefaultRequestHeaders.Add("User-Agent", "StellaOps-Notifier/1.0");
});
builder.Services.AddScoped<INotifyChannelDispatcher, WebhookChannelDispatcher>();
builder.Services.AddHostedService<DeliveryDispatchWorker>();

await builder.Build().RunAsync().ConfigureAwait(false);