using Microsoft.Extensions.DependencyInjection;
using ModVersionChecker.forms;
using Microsoft.Extensions.Hosting;
using ModVersionChecker.managers.interfaces;
using ModVersionChecker.managers.filesystem;
using ModVersionChecker.managers.litedb;

namespace ModVersionChecker
{
    class Program
    {
        [STAThread]
        static void Main()
        {
            var builder = Host.CreateDefaultBuilder();
            var program = new Program();

            builder.ConfigureServices(services =>
            {
                services.AddSingleton<IConfigManager, ConfigLiteDb>();
                services.AddSingleton<IAppsManager, AppConfigLiteDb>();
                services.AddSingleton<ISourcesDefManager, SourcesLiteDb>();
                services.AddSingleton<ICheckerTypesDefManager, CheckerTypesDefManager>();
                services.AddSingleton<IFlightSimsManager, FlightSimsLiteDb>();
                services.AddSingleton<IFormFactory, FormFactory>();
                services.AddSingleton<IAppStatusManager, AppStatusManager>();
                services.AddSingleton<INotifyIconService, NotifyIconService>();

                services.AddTransient<MainForm>();
                services.AddTransient<AppDetailsForm>();
                services.AddTransient<VersionChecker>();
            });

            using var host = builder.Build();

            var lifetime = host.Services.GetRequiredService<IHostApplicationLifetime>();
            lifetime.ApplicationStarted.Register(() =>
            {
                Console.WriteLine("Application is shutting down...");
            });

            Application.SetHighDpiMode(HighDpiMode.SystemAware);
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);

            if (!SystemTray.IsSupported())
            {
                MessageBox.Show("System tray not supported", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            var serviceProvider = host.Services;
            var configForm = serviceProvider.GetService<MainForm>();
            var versionChecker = serviceProvider.GetService<VersionChecker>();
            var notifyIconService = serviceProvider.GetRequiredService<INotifyIconService>();
            var configManager = serviceProvider.GetRequiredService<IConfigManager>();
            var config = configManager.GetConfig();

            EventHandler openFormHandler = (s, e) =>
            {
                if (configForm == null) return;

                configForm.UpdateListView();
                if (configForm.Visible)
                {
                    configForm.BringToFront();
                    return;
                }
                configForm.ShowDialog();
            };

            using (var notifyIcon = new NotifyIcon())
            {
                notifyIcon.Icon = new Icon("Resources/MVC-Icon.ico"); // Place MVC-Icon.ico in Resources
                notifyIcon.Text = "Update Checker";
                notifyIcon.Visible = true;
                notifyIconService.SetNotifyIcon(notifyIcon);

                var contextMenu = new ContextMenuStrip();
                contextMenu.Items.Add("Configure", null, openFormHandler);
                contextMenu.Items.Add("Exit", null, (s, e) => Application.Exit());
                notifyIcon.ContextMenuStrip = contextMenu;

                notifyIcon.DoubleClick += openFormHandler;

                bool checkOnInitialStart = config.CheckOnStartup;
                if (checkOnInitialStart && versionChecker != null)
                {
                    versionChecker.StartVersionChecking(notifyIcon);
                    versionChecker.OnFinished += (s, e) => { 
                        if (configForm != null)
                        {
                            if (configForm.InvokeRequired)
                            {
                                configForm.Invoke(() => configForm.UpdateListView());
                            }
                            else
                            {
                                configForm.UpdateListView();
                            }
                        }
                    };
                }

                
                if (versionChecker != null)
                {                  

                    if (configForm != null)
                    {
                        configForm.OnRecheck += (s, e) =>
                        {
                            if (versionChecker != null)
                            {
                                versionChecker.CheckAsync();
                            }
                        };
                    }
                }
                

                // Add to startup
                // AddToStartup();

                Application.Run(); // Keep app running for tray icon
            }

            host.RunAsync().GetAwaiter().GetResult();
        }

        static void AddToStartup()
        {
            using (var key = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Run", true))
            {
                key?.SetValue("XintanalabsUpdateChecker", $"\"{Application.ExecutablePath}\"");
            }
        }
    }

    public class SystemTray
    {
        public static bool IsSupported() => System.Windows.Forms.SystemInformation.TerminalServerSession == false;
    }
}