using EnvelopeGenerator.Service;
using EnvelopeGenerator.Service.Schedulers;
using Microsoft.Extensions.Options;
using NLog.Extensions.Logging;

var builder = Host.CreateApplicationBuilder(args);

// NLog
builder.Logging.ClearProviders();
builder.Logging.AddNLog("nlog.config");

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

// Resolve connection string once for singleton registrations
var connectionString = builder.Configuration.GetConnectionString("Default")
    ?? throw new InvalidOperationException("ConnectionStrings:Default is not configured.");

// Services
builder.Services.AddSingleton<TempFiles>();

builder.Services.AddSingleton<SchedulerFinishEnvelope>(sp => new SchedulerFinishEnvelope(
    sp.GetRequiredService<ILogger<SchedulerFinishEnvelope>>(),
    sp.GetRequiredService<IOptions<ServiceConfig>>(),
    connectionString));

builder.Services.AddSingleton<SchedulerEnvelopeTaskApi>(sp => new SchedulerEnvelopeTaskApi(
    sp.GetRequiredService<ILogger<SchedulerEnvelopeTaskApi>>(),
    sp.GetRequiredService<IOptions<ServiceConfig>>(),
    connectionString));

builder.Services.AddHostedService<Worker>();

// Windows Service (SCM) support — replaces legacy ProjectInstaller/installutil
builder.Services.AddWindowsService(options =>
    options.ServiceName = "EnvelopeGenerator.Service");

var host = builder.Build();
host.Run();