// Online C# Editor for free

// Write, Edit and Run your C# code using C# Online Compiler

using System;

​

public record ComponentStatus {

    private ComponentStatus(int Value) {

        return ;

    }

​

    // implicit conversions from int Value to each class in order for dapper to work

    private static Active active = new Active();

    private static Disabled disabled = new Disabled();

    private static Pending pending = new Pending();

    private static Deleted deleted = new Deleted();

   internal record Pending(): ComponentStatus(0) {   

        public Active ToActive() => active;

   }

​

   public record Active(): ComponentStatus(1) {   

        public Disabled ToDisabled() => disabled;

   }

​

   public record Disabled(): ComponentStatus(2) {   

        public Active ToActive() => active;

        public Deleted ToDeleted() => deleted;

   }

​

   public record Deleted(): ComponentStatus(3);

​

    public static ComponentStatus Initial() {

       return pending;

    }

}

​

public class HelloWorld

{

    public static void Main(string[] args)

    {

        var Status = ComponentStatus.Initial();

        switch (Status) {

            case ComponentStatus.Pending pending: {

                Status = pending.ToActive();

                break;

            }

            case ComponentStatus.Active active: {

                Status = active.ToDisabled();

                break;

            }

            case ComponentStatus.Disabled disabled: {

                Status = disabled.ToActive();

                Status = disabled.ToDeleted();

                break;

            }

            case ComponentStatus.Deleted deleted: {

                // disabled cannot be changed

                break;

            }

        }

    }

}