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

namespace TesterCon7
{
    class OutputItem
    {
        public DateTime Date;
        public string IPPort;
        public string State;
    }

    class Program2
    {
        //nastaveni stavu PushButton
        static readonly String OkState = "OK";
        static readonly String FailState = "Nefunkcni";
        static readonly String UnknownState = "Nenalezen odpovidajici stav";

        static readonly string InputFile = "20170228_1.log";

        static readonly Regex[] parser = new Regex[]{
            new Regex(@"<(.*?)>: --- Open a new connection: ([0-9.]+) - ([0-9]+) -------", RegexOptions.Compiled),
            new Regex(@".*", RegexOptions.Compiled)
        };

        static readonly Dictionary<string, OutputItem> OutputStates = new Dictionary<string, OutputItem>();

        private static void ProcessLogRecord(Match[] parsed)
        {
            DateTime dt = DateTime.Parse(parsed[0].Groups[1].Value, System.Globalization.CultureInfo.GetCultureInfo("en-us"));
            if (dt > DateTime.Now.AddHours(-1000))
            {
                var item = new OutputItem();
                item.Date = dt;

                item.State = UnknownState;
                if (parsed[1].Value.Contains("succesfull")) item.State = OkState;
                else if (parsed[1].Value.Contains("failed")) item.State = FailState;

                item.IPPort = string.Format("{0}:{1}", parsed[0].Groups[2].Value, parsed[0].Groups[3].Value);

                if (OutputStates.ContainsKey(item.IPPort))
                {
                    if (item.Date > OutputStates[item.IPPort].Date) OutputStates[item.IPPort] = item;
                }
                else
                {
                    OutputStates[item.IPPort] = item;
                }
            }
        }

        static void Main(string[] args)
        {
            Match[] parsed = new Match[parser.Count()];
            int index = 0;

            try
            {
                foreach (var line in File.ReadLines(InputFile))
                {
                    parsed[index] = parser[index].Match(line);

                    if (!parsed[index++].Success) index = 0;
                    if (index >= parsed.Length)
                    {
                        ProcessLogRecord(parsed);
                        index = 0;
                    }
                }

                Console.WriteLine("zacina vypis");
                foreach (var x in OutputStates)
                {
                    Console.WriteLine(String.Format("ip:{0} {1} ... {2}", x.Value.IPPort, x.Value.Date, x.Value.State));
                }
                Console.WriteLine("konci vypis");

            }
            catch (Exception e)
            {
                Console.Error.WriteLine("Error: {0}", e);
            }
        }
    }
}