using System.IO;
using FellowOakDicom;
using FellowOakDicom.Imaging;
using Livia.Models;
using Livia.Models.Data;
using Livia.Properties;
using Livia.ViewModels;
using Livia.Views.Utility;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Serilog;
using Serilog.Events;
using ILogger = Microsoft.Extensions.Logging.ILogger;

namespace Livia.Utility.DependencyInjection;

public static class ServiceProviderFactory
{
    public static string LogFolder { get; set; }

    public static IServiceProvider ServiceProvider
    {
        get
        {
            if (_serviceProvider == null)
                throw new NullReferenceException();
            return _serviceProvider;
        }
    }

    private static IServiceProvider? _serviceProvider;


    static ServiceProviderFactory()
    {
        LogFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), @"AnImage\Livia\Log");
    }

    public static void Init(Action<ServiceCollection> injectionActions)
    {
        _serviceProvider = ConfigureDependencyInjection(injectionActions);
    }

    private static IServiceProvider ConfigureDependencyInjection(Action<ServiceCollection> addLiviaControlViewModel)
    {
        ServiceCollection serviceCollection = [];

        new DicomSetupBuilder()
            .RegisterServices(s => s.AddFellowOakDicom().AddImageManager<WinFormsImageManager>())
            .Build();

        Log.Logger = new LoggerConfiguration()
            .MinimumLevel.Debug()
            .WriteTo.Trace()
            .WriteTo.File(Path.Combine(LogFolder, "Log.txt"), rollingInterval: RollingInterval.Day)
            .WriteTo.File(Path.Combine(LogFolder, "ErrorLog.txt"), LogEventLevel.Error, rollingInterval: RollingInterval.Day)
            .CreateLogger();

        serviceCollection.AddLogging(loggingBuilder => loggingBuilder.AddSerilog(dispose: true));
        serviceCollection.AddSingleton<ILogger>(svc => svc.GetRequiredService<ILogger<object>>());
        serviceCollection.AddSingleton<IIdleTimer, IdleTimer>();
        serviceCollection.AddSingleton<IWarningSystem, WarningSystem>();
        serviceCollection.AddSingleton<IVersionUpdateManager, VersionUpdateManager>();
        serviceCollection.AddSingleton<IPatientInfoManager, PatientInfoManager>();
        serviceCollection.AddSingleton<IRoiLegendManager, RoiLegendManager>();
        serviceCollection.AddSingleton<IDataBlockLoader, DataBlockLoader>();
        serviceCollection.AddSingleton<ISerialKeyManager, SerialKeyManager>();
        serviceCollection.AddSingleton<IAesOperation, AesOperation>();
        serviceCollection.AddSingleton<IProcessManager, ProcessManager>();
        serviceCollection.AddSingleton<IServerHandler, ServerHandler>();
        serviceCollection.AddHttpClient<ILiviaHttpClient, LiviaHttpClient>(x =>
        {
            x.Timeout = TimeSpan.FromMinutes(10);
            UriBuilder uriBuilder = new()
            {
                Scheme = Settings.Default.ServerPort == 443 ? "https" : "http",
                Host = Settings.Default.ServerAddress,
                Port = Settings.Default.ServerPort
            };
            x.BaseAddress = uriBuilder.Uri;
        });
        serviceCollection.AddSingleton<LiviaHttpClientFactory>();
        serviceCollection.AddSingleton<MainWindowViewModel>();
        addLiviaControlViewModel(serviceCollection);

        ServiceProvider serviceProvider = serviceCollection.BuildServiceProvider();
        return serviceProvider;
    }
}