using FinlyticNews.Database;
using FinlyticNews.Services;
using FinlyticNews.Util;
using FinlyticNews.Adapters.Discovery;
using FinlyticNews.Adapters.Scraping;
using FinlyticNews.Entities;
using Microsoft.EntityFrameworkCore;

var builder = Host.CreateApplicationBuilder(args);

builder.Services.AddDbContext<NewsDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));

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

// Register Discovery Adapters
builder.Services.AddSingleton<ArticleDiscoveryAdapter, RssDiscoveryAdapter>();
builder.Services.AddSingleton<ArticleDiscoveryAdapter, FinanznachrichtenRssDiscoveryAdapter>();

// Register Detail Scraper Adapters
builder.Services.AddSingleton<ArticleScraperAdapter, FinanznachrichtenScraperAdapter>();

// Register Service interfaces and implementations
builder.Services.AddScoped<IArticleDiscoveryService, ArticleDiscoveryService>();
builder.Services.AddScoped<IPlaywrightScraperService, PlaywrightScraperService>();
builder.Services.AddScoped<IN8nService, N8nService>();
builder.Services.AddScoped<INewsDbService, NewsDbService>();
builder.Services.AddScoped<ISettingsDbService, SettingsDbService>();

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

// Register News Background Scraper Service
builder.Services.AddHostedService<NewsScraperBackgroundService>();

var host = builder.Build();

// Auto-run EF database migrations on startup
using (var scope = host.Services.CreateScope())
{
    try
    {
        var context = scope.ServiceProvider.GetRequiredService<NewsDbContext>();
        await context.Database.MigrateAsync();

        // Ensure default settings exist in DB
        var settingsService = scope.ServiceProvider.GetRequiredService<ISettingsDbService>();
        await settingsService.GetSettingsAsync();



        // Seed default article source if empty
        if (!await context.ArticleSources.AnyAsync())
        {
            context.ArticleSources.Add(new ArticleSourceEntity
            {
                Source = "https://www.finanznachrichten.de/rss-aktien-nachrichten",
                Name = "Finanznachrichten Aktuelle Nachrichten",
                Type = "rss"
            });
            await context.SaveChangesAsync();
            Console.WriteLine("Seeded default ArticleSource.");
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine($"Critical error during database migration: {ex.Message}");
        Console.WriteLine(ex.StackTrace);
    }
}

await host.RunAsync();