using System.Collections.Generic;
using System.Web.Services;

namespace NewStarterWebService
{
[WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    public class NewStarter : WebService
    {
        [WebMethod]
        public void CreateNewUser(
            string firstName,
            string middleName,
            string lastName,
            string jobTitle,
            string department,
            string office,
            string role,
            string manager)
        {
            var newUser = new NewUser(firstName, middleName, lastName, jobTitle, department, office, role, manager);
            newUser.Create();
        }
    }
}

using System;
using System.Collections.Generic;

namespace NewStarterWebService
{
    public class NewUser
    {
        public readonly string FullName;
        public readonly string FirstName;
        public readonly string MiddleName;
        public readonly string LastName;
        public readonly string Department;
        public readonly string Office;
        public readonly string JobTitle;
        public readonly string Role;
        public readonly string Manager;
        public readonly string Email;
        public readonly string DotName;
        public readonly string HomeDirectory;
        public readonly string Initials;

        public readonly Dictionary<string, string> DefaultProperties;
        private const string Password = "Password99";

        public NewUser(
            string firstName,
            string middleName,
            string lastName,
            string jobTitle,
            string department,
            string office,
            string role,
            string manager)
        {
            Office = office;
            Department = department;
            FirstName = firstName.Trim();
            MiddleName = middleName.Trim();
            LastName = lastName.Trim();
            JobTitle = jobTitle.Trim();
            Role = role.Trim();

            Manager = Ad.GetManagerDistinguishedName(manager);
            FullName = $"{FirstName} {LastName}";
            Email = $"{FirstName}{LastName}@domain.com";
            DotName = $"{FirstName}.{LastName}";
            HomeDirectory = $@"\FileHome${DotName}";
            try
            {
                Initials = $"{FirstName[0]}{MiddleName[0]}{LastName[0]}";
            }
            catch (Exception ex) when (
                ex is ArgumentOutOfRangeException ||
                ex is NullReferenceException ||
                ex is ArgumentNullException)
            {
                Initials = $"{FirstName[0]}{LastName[0]}";
            }

            // Set the default properties for AD
            DefaultProperties = new Dictionary<string, string>
            {
                {"userprincipalname",           Email},
                {"samaccountname",              DotName },
                {"sn",                          LastName},
                {"givenname",                   FirstName },
                {"displayname",                 FullName },
                {"description",                 JobTitle },
                {"mail",                        Email },
                {"homedirectory",               HomeDirectory },
                {"homedrive",                   "H:" },
                {"physicalDeliveryOfficeName",  Office },
                {"Manager",                     Manager },
                {"Initials",                    Initials }
            };
        }

        public void Create()
        {
            Ad.CreateUser(this);
            Ps.AddExchangeUser(this);
        }
    }
}