using System;
using FinlyticCore.Database;
using FinlyticCore.Services;
using FinlyticSentiment.Database;
using FinlyticSentiment.Services;
using FinlyticSentiment.Util;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

var builder = Host.CreateApplicationBuilder(args);

// Register PostgreSQL DbContext for sentiment data & settings
builder.Services.AddDbContext<SentimentDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));
builder.Services.AddScoped<ISettingsDbContext>(sp => sp.GetRequiredService<SentimentDbContext>());

// Register Core Services
builder.Services.AddSingleton<ISettingsService, SettingsService>();
builder.Services.AddSingleton(typeof(IFinlyticLogger<>), typeof(FinlyticLogger<>));

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

// Register Sentiment Services
builder.Services.AddScoped<ISentimentDbService, SentimentDbService>();
builder.Services.AddSingleton<IFinBertAnalyzerService, FinBertAnalyzerService>();

// 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>();
        var connStr = builder.Configuration.GetConnectionString("DefaultConnection") ?? "";
        await db.MigrateWithBootstrapAsync(connStr);
    }
    catch (Exception ex)
    {
        Console.WriteLine($"Critical error during database migration for FinlyticSentiment: {ex.Message}");
    }

}

await host.RunAsync();