using Comal.Classes;
using Comal.Stores;
using InABox.Clients;
using InABox.Configuration;
using InABox.Core;
using InABox.Rpc;
using InABox.Wpf.Reports;
using PRS.Shared;
using PRSServer;
using PRSServices;
using System;
using System.Threading;
using System.Threading.Tasks;

namespace PRSLicensing;

public class LicensingEngine : Engine<LicensingEngineProperties>
{
    private Listener<LicensingHandler, LicensingHandlerProperties> listener;

    public override void Run()
    {
        Logger.Send(LogType.Information, "", "Starting..");

        if (string.IsNullOrWhiteSpace(Properties.Server))
        {
            Logger.Send(LogType.Error, "", "Server is blank!");
            return;
        }

        var transport = new RpcClientPipeTransport(DatabaseServerProperties.GetPipeName(Properties.Server, true));
        ClientFactory.SetClientType(typeof(RpcClient<>), Platform.LicensingEngine, Version, transport);
        CheckConnection();
        
        Logger.Send(LogType.Information, "", "Registering Classes");

        StoreUtils.RegisterClasses();
        CoreUtils.RegisterClasses();
        ComalUtils.RegisterClasses();
        PRSSharedUtils.RegisterClasses();
        ReportUtils.RegisterClasses();
        ConfigurationUtils.RegisterClasses();

        Logger.Send(LogType.Information, "", "Starting Listener on port " + Properties.ListenPort);

        try
        {
            listener = new Listener<LicensingHandler, LicensingHandlerProperties>(new LicensingHandlerProperties(Properties));
            listener.InitHTTPS((ushort)Properties.ListenPort, CertificateFileName());

            listener.Start();
        }
        catch (Exception eListen)
        {
            Logger.Send(LogType.Error, ClientFactory.UserID, eListen.Message);
        }
    }

    private string CertificateFileName() => Properties.CertificateFile;

    private void CheckConnection()
    {
        // Wait for server connection
        while (!Client.Ping())
        {
            Logger.Send(LogType.Error, "", "Database server unavailable. Trying again in 30 seconds...");
            Task.Delay(30_000).Wait();
            Logger.Send(LogType.Information, "", "Retrying connection...");
        }

        ClientFactory.SetBypass();
    }

    public override void Stop()
    {
        Logger.Send(LogType.Information, "", "Stopping");
        listener?.Stop();
    }
}