using System;
using System.IO;
using System.Reflection;
using InABox.Core;
using InABox.IPC;
using InABox.Logging;

namespace PRSServer
{
    public interface IEngine
    {
        string ServiceName { get; set; }

        string Version { get; set; }
        void Run();
        void Stop();

        void Configure(Server settings);

        PortStatus[] PortStatusList();
    }

    public abstract class Engine<TProperties> : IEngine where TProperties : ServerProperties
    {
        
        private RPCServerPipeTransport _enginemanager;

        public TProperties Properties { get; private set; }
        public abstract void Run();
        public abstract void Stop();

        public virtual PortStatus[] PortStatusList()
        {
            return new PortStatus[] { };
        }

        public string ServiceName { get; set; }

        public string Version { get; set; }

        protected string AppDataFolder { get; set; }

        public virtual void Configure(Server server)
        {
            Properties = server.Properties as TProperties;

            AppDataFolder = GetPath(server.Key);
            MainLogger.AddLogger(new LogFileLogger(AppDataFolder));
            MainLogger.AddLogger(new NamedPipeLogger(server.Key));
            
            _enginemanager = new RPCServerPipeTransport($"{ServiceName}$");
            _enginemanager.AddHandler<IEngine, PortStatusCommand, PortStatusParameters, PortStatus[]>(new PortStatusHandler(this));
            _enginemanager.AfterMessage += (transport, args) => MainLogger.Send(LogType.Information,"",$"Engine Manager Message: {args.Message?.Command}");
            _enginemanager.Start();
        }

        public static string GetPath(string key)
        {
            if (Assembly.GetEntryAssembly() != null)
                return Path.Combine(
                    Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                    Path.GetFileNameWithoutExtension(Assembly.GetEntryAssembly().Location),
                    key
                );
            return Path.Combine(
                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                Path.GetFileNameWithoutExtension(Assembly.GetExecutingAssembly().Location),
                key
            );
        }
    }
}