//#define USE_TESTING_CODE // when defined, no actuall power command will be processed, it will just ouput a message to the console
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;

namespace NexusPowerCommand
{

    public class PowerCommands
    {
        public const string shutdown = "/shutdown";
        public const string restart = "/restart";
        public const string logoff = "/logoff";
        public const string lockscreen = "/lock";
        public const string sleep = "/sleep";
    }

    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length == 0 || args.Length > 1) { ShowUsage(); return; }

            switch (args[0].ToLower())
            {
                case PowerCommands.shutdown: Shutdown(); return;
                case PowerCommands.restart: Restart(); return;
                case PowerCommands.logoff: Logoff(); return;
                case PowerCommands.lockscreen: Lock(); return;
                case PowerCommands.sleep: Sleep(); return;
                default: ShowUsage(); return;
            }
        }
        

        private static void ShowUsage()
        {
            Console.WriteLine();
            Console.WriteLine(string.Format("USAGE: {0}.exe <option>", Assembly.GetExecutingAssembly().GetName().Name));
            Console.WriteLine();
            Console.WriteLine("Where <option> is one of: ");
            Console.WriteLine();
            Console.WriteLine(string.Format("\t{0} = {1}","/shutdown","Shuts down the computer."));
            Console.WriteLine(string.Format("\t{0} = {1}", "/restart", "Restarts the computer."));
            Console.WriteLine(string.Format("\t{0} = {1}", "/logoff", "Logs off the current user."));
            Console.WriteLine(string.Format("\t{0} = {1}", "/lock", "Locks the current user's session."));
            Console.WriteLine(string.Format("\t{0} = {1}", "/sleep", "Puts the computer to sleep."));
        }
        private static void Shutdown()
        {
#if USE_TESTING_CODE
            Console.WriteLine(string.Format("Detected use of: {0}", PowerCommands.shutdown));
            return;
#endif
        }
        private static void Restart()
        {
#if USE_TESTING_CODE
            Console.WriteLine(string.Format("Detected use of: {0}", PowerCommands.restart));
            return;
#endif
        }
        private static void Logoff()
        {
#if USE_TESTING_CODE
            Console.WriteLine(string.Format("Detected use of: {0}", PowerCommands.logoff));
            return;
#endif
        }
        private static void Lock()
        {
#if USE_TESTING_CODE
            Console.WriteLine(string.Format("Detected use of: {0}", PowerCommands.lockscreen));
            return;
#endif
        }
        private static void Sleep()
        {
#if USE_TESTING_CODE
            Console.WriteLine(string.Format("Detected use of: {0}", PowerCommands.sleep));
            return;
#endif
        }
    }
}