using ITNexusAgent;
using ITNexusAgent.Models;
using ITNexusAgent.UI;
using Newtonsoft.Json;
using System.ServiceProcess;

internal class Program
{
    [STAThread]
    static void Main(string[] args)
    {
        var exePath = System.Diagnostics.Process.GetCurrentProcess().MainModule!.FileName;

        if (args.Length > 0)
        {
            switch (args[0])
            {
                case "--notify":
                    RunNotification(args.Length > 1 ? args[1] : "");
                    return;

                case "--rdp-consent":
                    ConsentModeRunner.Run(args.Length > 1 ? args[1] : "");
                    return;

                case "--rdp-capture":
                    CaptureModeRunner.Run(
                        args.Length > 1 ? args[1] : "",
                        args.Length > 2 && int.TryParse(args[2], out var si) ? si : 0);
                    return;

                case "--dashboard":
                    RunDashboard();
                    return;

                case "--install":
                    AgentService.MigrateFromOldAgent();
                    AgentService.Install(exePath);
                    return;

                case "--uninstall":
                    AgentService.Uninstall();
                    return;
            }
        }

        ServiceBase.Run(new AgentService());
    }

    static void RunNotification(string base64Json)
    {
        const string errorLog = @"C:\ProgramData\IT Nexus Agent\notify-error.log";
        try
        {
            var json = Encoding.UTF8.GetString(Convert.FromBase64String(base64Json));
            File.AppendAllText(errorLog, $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} START json={json}\n");

            var ann = JsonConvert.DeserializeObject<Announcement>(json);
            if (ann == null)
            {
                File.AppendAllText(errorLog, $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} ERROR: Deserialization returned null\n");
                return;
            }

            var app = new System.Windows.Application();
            app.ShutdownMode = System.Windows.ShutdownMode.OnMainWindowClose;
            app.DispatcherUnhandledException += (s, e) =>
            {
                File.AppendAllText(errorLog, $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} DISPATCHER ERROR: {e.Exception}\n");
                e.Handled = true;
                app.Shutdown();
            };

            var win = new NotificationWindow(ann);
            win.Topmost = true;
            win.Show();
            win.Activate();
            app.Run();
        }
        catch (Exception ex)
        {
            File.AppendAllText(errorLog, $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} ERROR: {ex}\n");
        }
    }

    static void RunDashboard()
    {
        var app = new System.Windows.Application();
        app.Run(new DashboardWindow());
    }
}
