using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Configuration;
using ResourceMonitorService.Configuration;
using ResourceMonitorService.Services;
using Serilog;
using System.Diagnostics;

namespace ResourceMonitorService
{
    public class Program
    {
        public static void Main(string[] args)
        {
            // Configure Serilog early
            Log.Logger = new LoggerConfiguration()
                .WriteTo.Console()
                .WriteTo.File("logs/resourcemonitor-.txt", rollingInterval: RollingInterval.Day)
                .CreateLogger();

            try
            {
                Log.Information("Starting Resource Monitor Service");
                CreateHostBuilder(args).Build().Run();
            }
            catch (Exception ex)
            {
                Log.Fatal(ex, "Application start-up failed");
            }
            finally
            {
                Log.CloseAndFlush();
            }
        }

        public static IHostBuilder CreateHostBuilder(string[] args)
        {
            var builder = Host.CreateDefaultBuilder(args)
                .UseSerilog()
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                    // URLs are now configured via appsettings.{Environment}.json files
                })
                .ConfigureServices((hostContext, services) =>
                {
                    // Bind configuration sections
                    services.Configure<MonitoringSettings>(
                        hostContext.Configuration.GetSection("MonitoringSettings"));
                    services.Configure<ApiSettings>(
                        hostContext.Configuration.GetSection("ApiSettings"));
                    services.Configure<LoggingSettings>(
                        hostContext.Configuration.GetSection("LoggingSettings"));

                    // Register services
                    services.AddSingleton<ISystemInfoService, SystemInfoService>();
                    services.AddSingleton<IResourceMonitorService, Services.ResourceMonitorService>();
                    services.AddSingleton<IGameDetectionService, GameDetectionService>();
                    services.AddSingleton<ITelegramNotificationService, TelegramNotificationService>();
                    services.AddSingleton<IAlertService, AlertService>();

                    // Register the main worker service
                    services.AddHostedService<Worker>();
                });

            // Configure as Windows Service if requested
            if (args.Contains("--windows-service") || Environment.GetEnvironmentVariable("RUN_AS_SERVICE") == "true")
            {
                builder.UseWindowsService(options =>
                {
                    options.ServiceName = "ResourceMonitorService";
                });
            }

            return builder;
        }
    }
}