using System;

​

public class Flipper

{

    enum FlipResult

    {

        Heads,

        Tails,

        Edge,

    }

​

    enum RollResult

    {

        One,

        Two,

        Three,

        Four,

        Five,

        Six,

        Seven,

        Eight,

        Nine,

        Ten,

    }

​

    interface IFlippable<TResult> : ISided where TResult : struct, Enum

    {

        TResult Flip() => Enum.Parse<TResult>(Random.Shared.Next(NumberOfSides).ToString());

    }

​

    interface ISided

    {

        int NumberOfSides { get; }

    }

​

    class Coin : IFlippable<FlipResult>

    {

        private const int _chanceToLandOnEdge = 6000;

        public int NumberOfSides => 2;

        public FlipResult Flip()

        {

            if (Random.Shared.Next(_chanceToLandOnEdge) == 0)

            {

                return FlipResult.Edge;

            }

​

            return Enum.Parse<FlipResult>(Random.Shared.Next(NumberOfSides).ToString());

        }

    }

​

    class D6 : IFlippable<RollResult>

    {

        public int NumberOfSides => 6;

    }

​

    class D10 : IFlippable<RollResult>

    {

        public int NumberOfSides => 10;

    }

​

    public static void Main()

    {

        Coin coin = new();

        for (var i = 0; i < 10; i++)

        {

            Console.WriteLine(((IFlippable<FlipResult>)coin).Flip());

        }

​

        Console.WriteLine("----");

        D6 d6 = new();

        for (var i = 0; i < 10; i++)

        {

            Console.WriteLine(((IFlippable<RollResult>)d6).Flip());

        }

​

        Console.WriteLine("----");

        D10 d10 = new();

        for (var i = 0; i < 10; i++)

        {

            Console.WriteLine(((IFlippable<RollResult>)d10).Flip());

        }

    }

}