using System;
using FinlyticCore.Models.Trades;
using FinlyticTrades.Database;
using FinlyticTrades.Services;
using FinlyticTrades.Util;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;

var builder = Host.CreateApplicationBuilder(args);

// 1. Standard DbContext (Scoped)
builder.Services.AddDbContext<TradesDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));

// 2. Domain Services (Scoped)
builder.Services.AddScoped<ITradeLifecycleService, TradeLifecycleService>();
builder.Services.AddScoped<ISettingsDbService, SettingsDbService>();

// 3. Hosted Services / Singletons
builder.Services.AddSingleton<TradesMqttClient>();
builder.Services.AddHostedService(sp => sp.GetRequiredService<TradesMqttClient>());
builder.Services.AddHostedService<FeedbackExporterEngine>();

var host = builder.Build();

// DB Migrations ausführen
using (var scope = host.Services.CreateScope())
{
    try
    {
        var context = scope.ServiceProvider.GetRequiredService<TradesDbContext>();
        await context.Database.MigrateAsync();
        Console.WriteLine("Database migrations successfully executed for FinlyticTrades.");

        var settingsService = scope.ServiceProvider.GetRequiredService<ISettingsDbService>();
        await settingsService.GetSettingsAsync();
    }
    catch (Exception ex)
    {
        var logger = scope.ServiceProvider.GetRequiredService<ILogger<Program>>();
        logger.LogError(ex, "An error occurred during database migration for FinlyticTrades on startup.");
    }
}

await host.RunAsync();