using System;
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;

using Microsoft.Win32;

namespace MQFilter
{
    class FilterController
    {

        public string mqHost { get; private set; }
        public string mqChannel { get; private set; }
        public string mqQueueManager { get; private set; }

        public string logDirectory { get; private set; }

        public string[] filterTranscations { get; private set; }


        protected FilterController()
        {
            initialize();
        }

        private void initialize()
        {
            Console.WriteLine("FilterController: Loading config");
            RegistryKey key = Registry.LocalMachine.CreateSubKey("Software\\DAO\\MQFilter");


            //Læser globale MQ Parametre
            mqHost = (string)key.GetValue("MQHost");
            if (mqHost == null || mqHost.Length == 0)
                throw new System.ArgumentException("MQHost cannot be null or empty");

            mqChannel = (string)key.GetValue("MQChannel");
            if (mqChannel == null || mqChannel.Length == 0)
                throw new System.ArgumentException("MQChannel cannot be null or empty");

            mqQueueManager = (string)key.GetValue("MQQueueManager");
            if (mqQueueManager == null || mqQueueManager.Length == 0)
                throw new System.ArgumentException("MQQueueManager cannot be null or empty");

            //Læser øvrige parametre

            logDirectory = (string)key.GetValue("LogDirectory");
            if (logDirectory == null || logDirectory.Length == 0)
                throw new System.ArgumentException("LogDirectory cannot be null or empty");

            String tmpFilterTransactions = (string)key.GetValue("FilterTransactions");
            if (tmpFilterTransactions == null || tmpFilterTransactions.Length == 0)
                throw new System.ArgumentException("LogDirectory cannot be null or empty");
            filterTranscations = Regex.Split( tmpFilterTransactions, "," );

            for (int i = 0; i < filterTranscations.Length; i++)
            {
                filterTranscations[i] = filterTranscations[i].Trim();
            }


            if (Directory.Exists(logDirectory) == false)
            {
                Directory.CreateDirectory(logDirectory);
            }

        }



        public void transportAllMessages()
        {
        }



        /* Singleton */
        private static FilterController instance = null;
        public static FilterController getInstance()
        {
            if (instance == null)
                instance = new FilterController();

            return instance;
        }

    }
}