using System;

using System.Collections.Generic;

​

namespace Project

{

    internal class Program

    {

​

        private static List<Alarms> Timers = new List<Alarms>();

        private static string menu = "1) Create Timer" +

            "\n2) View Timers" +

            "\n3) Remove Timer" +

            "\n4) Change name of Timer";

        static void Main(string[] args)

        {

            Console.WriteLine(menu);

            //Infinite loop

            while (true)

            {

                //Deletes All timer objects flagged for deletion

                _ = Timers.RemoveAll(p => p.Done == true);

                while (Console.KeyAvailable)

                {

                    //Once the user has entered a key it will run the menu switch

                    Alarms.MenuSwitch(Console.ReadKey(true), Timers);

                    Console.Clear();

                    Console.WriteLine(menu);

                }

​

            }

        }

​

    }

}

    namespace Project

{

​

    internal class Alarms

    {

        //Can only change the name of an object if the object is not flagged for deletion

        public string Name 

        { 

            get

            {

                return Name;

            }

            set

            {

                if(!Done)

                {

                    Name = value;

                }

            }

         }

        public string Message { get; private set; }

        public uint Duration { get; private set; }

        public static System.Timers.Timer aTimer = new System.Timers.Timer();

        public SpeechSynthesizer synthesizer = new SpeechSynthesizer();

        public bool Done { get; private set; }

        DateTime begin = DateTime.Now;

        //Assigns values for properties

        //Enables timer

        public Alarms(uint duration, string name, string message)

        {

            Duration = duration;

            Name = name;

            Message = message;

            synthesizer.SetOutputToDefaultAudioDevice();

            aTimer.Interval = duration;

            aTimer.Elapsed += Finished;

            aTimer.AutoReset = false;

            aTimer.Enabled = true;

            Done = false;

        }

        //Allows for alarms to be created without a message

        public Alarms(uint duration, string name) : this(duration, name, "") { }

        //Once timer completed it will speak the message if availiable, the name if not, and then the timer will turn itself off and flag the object for deletion

        public void Finished(object source, System.Timers.ElapsedEventArgs e)

        {

            if (Message.Trim() == "")

                synthesizer.SpeakAsync(Name);

            else

                synthesizer.SpeakAsync(Message);

            aTimer.Enabled = false;

            Done = true;

        }

        //Handles printing an alarm object

        public override string ToString()

        {

            return $"Timer {Name}: {DateTime.Now - begin} seconds elapsed of {Duration / 1000} seconds";

        }

        public static void MenuSwitch(ConsoleKeyInfo key, List<Alarms> list)

        {

            uint time;

            string name;

            //Basic switch statement for handling UI

            switch (key.Key)

            {

                case ConsoleKey.NumPad1: //This handles creating an Alarm object

                    Console.WriteLine("How long is the timer in seconds?");

                    while (!UInt32.TryParse(Console.ReadLine(), out time)) ;

                    Console.WriteLine("What's the name of timer?");

                    name = Console.ReadLine();

                    Console.WriteLine("Does the timer have a message? y/n");

                    if (Console.ReadKey(true).Key == ConsoleKey.Y)

                    {

                        Console.WriteLine("Please input a message");

                        list.Add(new Alarms(time * 1000, name, Console.ReadLine()));

                        Console.WriteLine("Timer successfully created");

                        Thread.Sleep(1500);

                        break;

                    }

                    Console.WriteLine("Timer successfully created");

                    list.Add(new Alarms(time * 1000, name));

                    Thread.Sleep(1500);

                    break;

                case ConsoleKey.NumPad2:// This prints all alarm objects in a list

                    list.ForEach(x => Console.WriteLine(x));

                    Console.ReadLine();

                    break;

                case ConsoleKey.NumPad3://This handles removing timers

                    Console.WriteLine("Which timer would you like to remove? (name of timer)");

                    name = Console.ReadLine();

                    list.RemoveAll(p => p.Name == name);

                    break;

                case ConsoleKey.NumPad4:

                    Console.WriteLine("Please enter the name of the object you would like to change the name of");

                    name = Console.ReadLine();

                    int temp = list.IndexOf(list.Find(p => p.Name == name));

                    if(temp == -1)

                    {

                        Console.WriteLine("Invalid");

                        return;

                    }

                    Console.WriteLine("Enter new name");

                    list.ElementAt(temp).Name = Console.ReadLine();

                    break;

            }

        }

    }

}

​

​