using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Prak12
{
    public partial class Teacher
    {
        public string FIO
        {
            get => TeacherName + " " + TeacherPatronymic + " " + TeacherSurname;
        }

        public string LabeledGender
        {
            get
            {
                if (IdGenderNavigation.GenderName == "м")
                {
                    return "Пол: мужской";
                }
                else return "Пол: женский";
            }
        }

        public string LabeledBirthDate
        {
            get => "Дата рождения: " + TeacherBirthdate.ToShortDateString() + " года";
        }

        public string LabeledEmail
        {
            get => "Почта: " + TeacherEmail;
        }

        public string LabeledPhone
        {
            get => "Телефон: " + TeacherPhoneNumber;
        }

        public string LabeledWorkTime
        {
            get
            {
                if (TeacherWorkTime is null)
                {
                    return "Стаж работы: отсутсвует";
                }
                string Year = "";
                if ((int)TeacherWorkTime / 12 == 0) Year =  "";
                if ((int)TeacherWorkTime / 12 == 1) Year = " " + (int)TeacherWorkTime / 12 + " год";
                if ((int)TeacherWorkTime / 12 >= 2 && (int)TeacherWorkTime / 12 <= 4) Year = " " + (int)TeacherWorkTime / 12 + " года";
                else Year = " " + (int)TeacherWorkTime / 12 + " лет";
                string Month = "";
                if ((int)TeacherWorkTime % 12 == 0) Month = " 0 месяцев";
                if ((int)TeacherWorkTime % 12 == 1) Month = " " + (int)TeacherWorkTime % 12 + " месяц";
                if ((int)TeacherWorkTime % 12 >= 2 && (int)TeacherWorkTime % 12 <= 4) Month = " " + (int)TeacherWorkTime % 12 + " месяца";
                else Month = " " + (int)TeacherWorkTime % 12 + " месяцев";
                return "Стаж работы:" + Year + Month;
            }
        }

        public int SummaryVolume
        {
            get
            {
                int summaryVolume = 0;
                foreach (var item in TeachersCourses)
                {
                    summaryVolume += item.IdCourseNavigation.CourseHoursNumber;
                }
                return summaryVolume;
            }
        }

        public string LabeledSummaryVolume
        {
            get => "Курсы в общем объеме " + SummaryVolume + " часов:";
        }
    }
}