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

namespace lab3_classes
{
    public class Exam : Trial
    {
        protected DateTime date = new DateTime();
        protected int durationInMinutes = 60;
        
        public Exam() : base()
        {

        }

        public Exam(string n, int diff, DateTime d, int duration) : base(n, diff)
        {
            date = d;
            durationInMinutes = duration > 0 ? duration : durationInMinutes;
        }

        public void SetDate(DateTime d)
        {
            date = d;
        }

        public DateTime GetEndOfExamDate()
        {
            DateTime endOfExamDate = date;
            endOfExamDate = endOfExamDate.AddMinutes(durationInMinutes);
            return endOfExamDate;
        }

        public void SetDuration(int duration)
        {
            durationInMinutes = duration > 0 ? duration : durationInMinutes;
        }

        public int GetDurationInMinutes()
        {
            return durationInMinutes;
        }

        public new string Info()
        {
            return String.Format("Экзамен. Наименование: {0}, Сложность: {1}, Дата проведения: {2}, Длительность экзамена в минутах: {3}, Испытание {4}пройдено\n", name, difficulty, date, durationInMinutes, isPassed ? "" : "не ");
        }
    }
}