using System.Net;
using System.Net.NetworkInformation;

namespace NWService
{
    public class Program
    {
        public static void Main()
        {
            try
            {
                LanguageXml language = LanguageXmlLoader.Load();

                ServiceMode mode = OptionConsole.GetServiceMode(language);

                List<IPAddress> localIPv4 = NetworkService.GetLocalIPv4().ToList();
                IPAddress targetIPv4 = OptionConsole.GetIPAddress(localIPv4, language);

                switch(mode)
                {
                    case ServiceMode.SEARCH_ARP:
                        Search_ARP(targetIPv4, language);
                        break;
                    case ServiceMode.SEARCH_PING:
                        Search_Ping(targetIPv4, language);
                        break;
                    default:
                        Console.WriteLine("unknown mode...");
                        break;
                }
            }
            catch(Exception error)
            {
                Console.WriteLine(error.Message);
            }
        }

        public static void Search_ARP(IPAddress targetIPv4, LanguageXml language)
        {
            try
            {
                List<DeviceInfo> findList = new List<DeviceInfo>();
                Task task = Task.Run(() => {
                    findList.AddRange(NetworkService.SearchARP(targetIPv4));

                    Thread.Sleep(10);
                });

                string[] frames = {"＼","｜","／"};
                int frameCount = 0;
                (int cpL, int cpT) = Console.GetCursorPosition();
                while (!task.IsCompleted)
                {
                    Console.SetCursorPosition(cpL, cpT);
                    frameCount++;
                    int targetFrameNumber = frameCount%frames.Length;
                    Console.WriteLine("{0} {1}", frames[targetFrameNumber], language.GetMessage("searching", "searching..."));
                    Thread.Sleep(100);
                }

                Console.SetCursorPosition(cpL, cpT);
                Console.WriteLine("                                                 ");

                if (findList.Count() == 0)
                {
                    Console.WriteLine("{0}", language.GetMessage("empty_find_list", "Not found..."));
                }
                else
                {
                    Console.WriteLine(string.Format(language.GetMessage("found_devices","Found {0} Devices."), findList.Count()));

                    foreach (DeviceInfo deviceInfo in findList)
                    {
                        Console.WriteLine("――――――――――――――――――――――――――――");
                        Console.WriteLine("IP: {0}", deviceInfo.GetIPAddress().ToString());
                        Console.WriteLine("Mac: {0}", deviceInfo.GetMacAddress());
                    }
                }
            }
            catch(Exception e)
            {
                Console.WriteLine(e);
            }
        }

        public static void Search_Ping(IPAddress targetIPv4, LanguageXml language)
        {
            try
            {
                List<PingReply> findList = new List<PingReply>();
                Task task = Task.Run(() => {
                    findList.AddRange(NetworkService.SearchByPing(targetIPv4));
                    Thread.Sleep(10);
                });

                string[] frames = {"＼","｜","／"};
                int frameCount = 0;
                (int cpL, int cpT) = Console.GetCursorPosition();
                while (!task.IsCompleted)
                {
                    Console.SetCursorPosition(cpL, cpT);
                    frameCount++;
                    int targetFrameNumber = frameCount%frames.Length;
                    Console.WriteLine("{0} {1}", frames[targetFrameNumber], language.GetMessage("searching", "searching..."));
                    Thread.Sleep(100);
                }

                Console.SetCursorPosition(cpL, cpT);
                Console.WriteLine("                                                 ");

                if (findList.Count() == 0)
                {
                    Console.WriteLine("{0}", language.GetMessage("empty_find_list", "Not found..."));
                }
                else
                {
                    Console.WriteLine(string.Format(language.GetMessage("found_devices","Found {0} Devices."), findList.Count()));

                    foreach (var reply in findList)
                    {
                        Console.WriteLine("――――――――――――――――――――――――――――");
                        Console.WriteLine("IP: {0}", reply.Address.ToString());
                        Console.WriteLine("Time: {0}ms", reply.RoundtripTime);
                        Console.WriteLine("Status: {0}", reply.Status);
                        Console.WriteLine("Ttl: {0}", reply.Options.Ttl);
                    }
                }
            }
            catch(Exception e)
            {
                Console.WriteLine(e);
            }
        }
    }
}