using ControlPlane.Core.Config;
using ControlPlane.Core.Interfaces;
using ControlPlane.Core.Services;
using ControlPlane.Worker;
using ControlPlane.Worker.Services;
using ControlPlane.Worker.Steps;
using Keycloak.AuthServices.Sdk;
using MassTransit;
using Npgsql;

var builder = Host.CreateApplicationBuilder(args);

builder.AddServiceDefaults();

// Centralized infrastructure options — domain, network, internal URLs, cert paths
builder.Services.Configure<ClarityInfraOptions>(
    builder.Configuration.GetSection(ClarityInfraOptions.Section));

// Keycloak Admin SDK client
builder.Services.AddKeycloakAdminHttpClient(o =>
{
    o.AuthServerUrl = builder.Configuration["Keycloak:AuthServerUrl"] ?? "http://localhost:8080";
    o.Realm         = builder.Configuration["Keycloak:Realm"] ?? "master";
    o.Resource      = builder.Configuration["Keycloak:Resource"] ?? "admin-cli";
});

// Custom admin client - handles realm creation, roles, role assignment (not in SDK)
builder.Services.AddSingleton<KeycloakAdminClient>();

// Named HttpClient for Gitea commit status API (self-signed cert)
builder.Services.AddHttpClient("gitea").ConfigurePrimaryHttpMessageHandler(() =>
    new HttpClientHandler { ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator });

// opcdb for build/release history tracking
var opcConnStr = builder.Configuration.GetConnectionString("opcdb");
builder.Services.AddSingleton(NpgsqlDataSource.Create(
    !string.IsNullOrWhiteSpace(opcConnStr) ? opcConnStr : "Host=127.0.0.1;Port=5433;Database=opcdb;Username=postgres;Password=controlplane-dev"));
builder.Services.AddSingleton<BuildHistoryService>();

// Docker container manager for per-tenant Clarity.Server instances
builder.Services.AddSingleton<ClarityContainerService>();

// Tenant registry - persists provisioned tenant XML files to ClientAssets folder
builder.Services.AddSingleton<TenantRegistryService>();

// Saga steps in execution order — container launches LAST once all context is populated
builder.Services.AddSingleton<ISagaStep, KeycloakStep>();
builder.Services.AddSingleton<ISagaStep, VaultStep>();
builder.Services.AddSingleton<ISagaStep, MigrationStep>();
builder.Services.AddSingleton<ISagaStep, LaunchStep>();
builder.Services.AddSingleton<ISagaStep, HandoffStep>();

builder.Services.AddMassTransit(x =>
{
    x.SetKebabCaseEndpointNameFormatter();

    x.AddConsumer<ProvisioningConsumer>();
    x.AddConsumer<BuildConsumer>();

    x.UsingRabbitMq((ctx, cfg) =>
    {
        cfg.Host(builder.Configuration.GetConnectionString("rabbitmq"));
        cfg.ConfigureEndpoints(ctx);
    });
});

try
{
    var host = builder.Build();
    host.Run();
}
catch (Exception ex)
{
    Console.Error.WriteLine($"FATAL WORKER CRASH: {ex}");
    throw;
}