/*
 * Created by SharpDevelop.
 * User: USER
 * Date: 22.12.2017
 * Time: 5:04
 */
using System;

namespace Lab44
{
	sealed class Student {
		static int st = 1;
		public string Firstname { get; private set; }
		public string Lastname  { get; private set; }
		public int Card		    { get; private set; }
		public DateTime Birth   { get; private set; }
		
		
		int[] marks;
		
		public Student(string f, string l, DateTime d, int items)
		{
			Firstname = f;
			Lastname = l;
			Birth = d;
			Card = st;
			
			Random rnd = new Random();
			marks = new int[items];
			for(int i = 0; i < marks.Length; i++) {
				marks[i] = rnd.Next(DateTime.Now.Second+Birth.Day, 101);
			}
			st++;
		}
		
		public double Rank() {
			double a = 0;
			for(int i = 0; i < marks.Length; i++) {
				a += marks[i];
			}
			return a/marks.Length;
		}
		
		public static bool operator ==(Student st1, Student st2) {
			if(st1.Firstname == st2.Firstname & st1.Lastname == st2.Lastname 
			   & st1.Birth == st2.Birth & st1.Card == st2.Card)
				return true;
			else return false;
		}
		
		public static bool operator !=(Student st1, Student st2) {
			if(st1.Firstname != st2.Firstname | st1.Lastname != st2.Lastname 
			   | st1.Birth != st2.Birth | st1.Card == st2.Card)
				return true;
			else return false;
		}
		
		public override string ToString()
		{
			return Card + ". " + Firstname + " " + Lastname + "\n" +
				"(" + Birth.ToString("d") + ") - середнiй бал: " + this.Rank() + ".\n";
		}

	}
}