/*
 * Created by SharpDevelop.
 * User: User
 * Date: 01.10.2016
 * Time: 20:12
 *
 * To change this template use Tools | Options | Coding | Edit Standard Headers.
 */
using System;

namespace EMPLOYEE
{
	/// <summary>
	/// Description of Employee.
	/// </summary>
	public class Employee : User
	{
		DateTime employment_date;
        string specialty;

        protected static string check_specialty(string check_str)
        {
            if (String.IsNullOrEmpty(check_str))
            {
                throw new ArgumentException("Должность или специальность не может быть null или пустой строкой");
            }
            char[] arname = check_str.ToCharArray();
            for (int i = 1; i < arname.Length; i++)
            {
                arname[i] = char.ToLower(arname[i]);
            }
            arname[0] = char.ToUpper(arname[0]);
            return new string(arname);
        }

        static DateTime check_employment_date(DateTime date, int age)
        {
            if (date > DateTime.Now)
            {
                throw new ArgumentException("Дата не может быть в будущем");
            }
            if (GetYear(date) > age)
            {
                throw new ArgumentException("Дата такова, что стаж больше возраст человека");
            }
            return date;
        }

        public int Work_experience
        {
            get
            {
                return GetYear(employment_date);
            }
        }

        public DateTime Employment_date
        {
            get
            {
                return employment_date;
            }
        	set
            {
                employment_date = check_employment_date(value, Age);
            }
        }

        public string Specialty
        {
            get
            {
                return specialty;
            }
        	set
            {
                specialty = check_specialty(value);
            }
        }

        public Employee(string specialty, DateTime employment_date ,string name, string surname, string middle_name, DateTime date_of_birth)
            : base(name, surname, middle_name, date_of_birth)
        {
            Employment_date = employment_date;
            Specialty = specialty;
        }
    }
}