using FinlyticSentiment.Database;
using FinlyticSentiment.Services;
using FinlyticSentiment.Util;
using Microsoft.EntityFrameworkCore;

var builder = Host.CreateApplicationBuilder(args);

// Register PostgreSQL DbContext for settings persistence
builder.Services.AddDbContext<SentimentDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));

// Register HttpClient
builder.Services.AddHttpClient();

// Register Service interfaces and co-located implementations
builder.Services.AddScoped<ISettingsDbService, SettingsDbService>();
builder.Services.AddSingleton<IFinBertAnalyzerService, FinBertAnalyzerService>();
builder.Services.AddSingleton<ISentimentStorageService, SentimentStorageService>();

// Register MQTT Client (as singleton hosted service)
builder.Services.AddSingleton<SentimentMqttClient>();
builder.Services.AddHostedService(sp => sp.GetRequiredService<SentimentMqttClient>());

// Register Sentiment Background Worker
builder.Services.AddHostedService<SentimentBackgroundService>();

var host = builder.Build();

// Auto-migrate database on startup
using (var scope = host.Services.CreateScope())
{
    try
    {
        var db = scope.ServiceProvider.GetRequiredService<SentimentDbContext>();
        await db.Database.MigrateAsync();
    }
    catch (Exception ex)
    {
        var logger = scope.ServiceProvider.GetRequiredService<ILogger<Program>>();
        logger.LogError(ex, "An error occurred during database migration for FinlyticSentiment on startup.");
    }
}

await host.RunAsync();