using System.Net;

namespace NWService
{
    public class OptionConsole
    {
        public static ServiceMode GetServiceMode(LanguageXml language)
        {
            var arry = Enum.GetValues(typeof(ServiceMode));
            for (int i = 0 ; i < arry.Length ; i++)
            {
                Console.WriteLine("[{0}]: {1}", i, language.GetMessage(arry.GetValue(i).ToString(), arry.GetValue(i).ToString()));
            }

            Console.Write("{0} ", language.GetMessage("select_service_mode", "Please type service mode:"));
            string tInput = Console.ReadLine();
            if (string.IsNullOrWhiteSpace(tInput) || !int.TryParse(tInput, out int mode))
            {
                throw new ArgumentException(string.Format("{0}", language.GetMessage("exception_invalid_input_mode", "invalid input mode.")));
            }

            if (mode < 0 || mode > arry.Length)
            {
                throw new ArgumentException(string.Format("{0}", language.GetMessage("exception_invalid_input_mode", "invalid input mode.")));
            }

            return (ServiceMode) mode;
        }

        public static IPAddress GetIPAddress(List<IPAddress> localIPv4, LanguageXml language)
        {
            for (int i = 0 ; i < localIPv4.Count(); i++)
            {
                Console.WriteLine("#{0}: {1}", i + 1, localIPv4[i]);
            }

            Console.WriteLine("[0]: {0}", language.GetMessage("select_target_ipaddr", "Type target IPAddress."));
            Console.WriteLine("[1-]: {0}", language.GetMessage("select_local_ipaddr", "Select local IPAddress."));
            Console.Write("{0} ", language.GetMessage("type_mode", "Please type select mode:"));

            string tMode = Console.ReadLine();
            if (string.IsNullOrWhiteSpace(tMode))
            {
                throw new ArgumentException(string.Format("{0}", language.GetMessage("exception_invalid_input_mode", "invalid input mode.")));
            }
            
            if (!int.TryParse(tMode, out int mode))
            {
                throw new ArgumentException(string.Format("{0}", language.GetMessage("exception_invalid_input_mode", "invalid input mode.")));
            }

            if (mode == 0)
            {
                Console.Write("{0} ", language.GetMessage("type_target_ipaddr", "Please type target IPAddress:"));
                string tmpAddr = Console.ReadLine();
                if (!IPAddress.TryParse(tmpAddr, out IPAddress addr))
                {
                throw new ArgumentException(string.Format("{0}", language.GetMessage("exception_invalid_input_ipaddr", "invalid input IPAddress.")));
                }

                return addr;
            }

            mode = mode - 1;

            if (mode < 0 || mode > localIPv4.Count())
            {
                throw new ArgumentException(string.Format("{0}", language.GetMessage("exception_invalid_input_mode", "invalid input mode.")));
            }

            return localIPv4[mode];
        }
    }
}