#pragma once
#pragma warning(disable:4996)
#include<iostream>
#include<string.h>
#include<iomanip>
#include<ctime>
using namespace std;

class Student {
	char *surname;
	int *rating;
	int sizeArr;
	double average;
public:
	Student();
	Student(char*, int*, int);
	Student(const Student&);
	//set():
	void setSurname();
	void setSize();
	void RandRating();
	void setRatings();
	void setAver(double aver){ average = aver; }
	// get():
	char *getSur()const;
	int getSize()const;
	int *getR();
	double getAverage()const{ return average; }
	void set();
	void print();
	int MAX(); int MIN(); int SUM();
	double S_A();
	Student mostLess(Student*);
	Student mostMore(Student*);
	int& getMark(int);
	Student & operator=(const Student&);
	Student & operator+(const Student&);
	Student   operator-(const Student&);
	Student & operator+=(const Student&);
	bool operator>(Student&);
	bool operator<(Student&);
	bool operator>=(Student&);
	bool operator<=(Student&);
	bool operator==(Student&);
	bool operator!=(Student&);
	int &operator[](int S) { return rating[S]; }
	int operator()(int);
	Student operator++();
	Student operator++(int);
	Student operator--();
	Student operator--(int);
	~Student() { delete[]surname; delete[]rating; }
};
ostream &operator<<(ostream &os, Student &st);
istream &operator>>(istream &is, Student st);
Student::Student() :surname(NULL), rating(0), average(0) { surname = new char[50]; rating = new int[20]; sizeArr = 12; }
Student::Student(char*surname, int *r, int z) {
	surname = new char[strlen(surname + 1)];
	strcpy(this->surname, surname);
	sizeArr = z; rating = new int[sizeArr];
	for (int i(0); i < sizeArr; i++){ rating[i] = r[i]; }
	average = 0;
}
Student::Student(const Student &st) {
	surname = new char[50]; rating = new int[20];
	strcpy(this->surname, st.surname);
	sizeArr = st.sizeArr;
	for (int i(0); i < sizeArr; i++){ rating[i] = st.rating[i]; }
	average = st.average;
}
void Student::setSurname() {
	cout << "Surname: "; cin >> surname;
}
void Student::setSize(){
	cout << "Input number Student"<<"\n"<<" (six for example): "; cin >> sizeArr;
}
void Student::setRatings() {
	for (int i = 0; i < sizeArr; i++) {
		cout << "Input rating from " << i + 1 << " to " << sizeArr << "\n";
		cin >> rating[i];
	}
	S_A();
}
void Student::RandRating() {
	for (int i(0); i < sizeArr; i++)
		rating[i] = rand() % 12+1;
}
char *Student::getSur() const{ return surname; }
int *Student::getR() { return rating; }
int Student::getSize() const{ return sizeArr; }
void Student::set(){
	cout << "Surname: "; cin >> surname;
	RandRating();
	//setRatings();
	 S_A();
}
void Student::print() {
		cout << "\n\nSurname: " << surname ;
		cout << "\nRating for 1 year is:  \n";
		for (int i(0); i < sizeArr; i++) {
			cout << setw(5) << rating[i] ;
		}
		cout << "\nAverage is: " <<S_A() << "\n\n";
	}
int Student::MAX() {
	int pos(0);
	int max = rating[0];
	for (int i = 0; i < sizeArr; i++) {
		if (max < rating[i]) {
			max = rating[i];
			pos = i;
		}
	}
	return max;
}
int Student::MIN() {
	int pos(0);
	int min = rating[0];
	for (int i = 0; i < sizeArr; i++) {
		if (min > rating[i]) {
			min = rating[i];
			pos = i;
		}
	}
	return min;
}
int Student::SUM() {
		int sum(0);
		for (int i = 0; i < sizeArr; i++) {
			sum += rating[i];
		}
		return sum;
	}
double Student::S_A() {
	int sum(0);
	for (int i(0); i < sizeArr; i++) {
	        sum+=rating[i];
	}
	return (double)sum / sizeArr;
}
int& Student::getMark(int index) {
	return rating[index];
}
Student Student::mostLess(Student *s){
	int min = s->rating[0], pos(0);
	for (int i(0); i < sizeArr; i++){
		if (min < s->rating[i]){
			pos = i;
			min = s->rating[i];
		}
	}return s[pos];
}
Student Student::mostMore(Student *s){
	int max = s->rating[0], pos(0);
	for (int i(0); i < sizeArr; i++){
		if (max > s->rating[i]){
			pos = i;
			max = s->rating[i];
		}
	}return s[pos];
}
//////////////////////////////////////////////////////////////////////////////////////
Student &Student::operator=(const Student &s) {
	delete[]rating;
	sizeArr = s.sizeArr;
	rating = new int[sizeArr];
	for (int i(0); i < sizeArr; i++) {
		rating[i] = s.rating[i];
	}
	return *this;
}
Student &Student::operator+(const Student &sS) {
	Student tmp; tmp = sS;
	tmp.average = this->average+ sS.average;
	return tmp;
}
Student Student::operator-(const Student&sS) {
	Student tmp; tmp = sS;
	tmp.average = this->average - sS.average;
	return tmp;
}
Student &Student::operator+=(const Student& sPD) {
	Student tmp;
	for (int i(0); i < sizeArr; i++) {
		this->rating[i] += tmp.rating[i];
	}
	return *this;
}
bool Student::operator>(Student &more) {
	return this->S_A() > more.S_A();
}
bool Student::operator<(Student &small) {
	return this->S_A() < small.S_A();
}
bool Student::operator>=(Student &moreR) {
	return this->S_A() >= moreR.S_A();
}
bool Student::operator<=(Student &smallR) {
	return this->S_A() <= smallR.S_A();
}
bool Student::operator==(Student &R) {
	return this->S_A() == R.S_A();
}
bool Student::operator!=(Student &N) {
	return this->S_A() != N.S_A();
}
Student Student::operator++() {
	for (int i(0); i < sizeArr; i++) {
		++rating[i];
		setAver(S_A());
		return *this;
	}
}
Student Student::operator++(int) {
	Student tmp = *this;
	for (int i(0); i < sizeArr; i++) {
		(this->rating[i])++;
	}
	return tmp;
}
Student Student::operator--() {
	for (int i(0); i < sizeArr; i++) {
		--rating[i];
		setAver(S_A());
		return *this;
	}
}
Student Student::operator--(int) {
	Student tmp = *this;
	for (int i(0); i < sizeArr; i++) {
		(this->rating[i])--;
	}
	return tmp;
}
int Student::operator ()(int x) {
	for (int i = 0; i < sizeArr; i++) {
		if (rating[i] == x) {
			return i;
		}
	}
	return -1;
}
//Func for: cout<< & cin>>
ostream &operator<<(ostream &os, Student &st) {
	os << st.getSur();
	return os;
}
istream &operator>>(istream &is, Student st) {
	st.setSurname();
	cout << "Input rating: ";
	for (int i = 0; i < st.getSize(); i++) {
		cin >> st.getMark(i);
	}
	st.setAver(st.S_A());
	return is;
}
void main(){
	srand(time(NULL));
	Student s; s.setSize();
 Student *st = new Student[s.getSize()];
 for (int i(0); i < s.getSize(); i++){ cout << " Student "<< i + 1 <<" \n " ; st[i].set(); }
 for (int i(0); i < s.getSize(); i++) st[i].print();

 cout << "\nMIN rating:  ";
 for (int i(0); i < s.getSize(); i++){ cout << st[i].MIN() << "  "; }
 cout << "\nMAX rating:  ";
 for (int i(0); i < s.getSize(); i++){ cout << st[i].MAX() << "  "; }
 cout << "\n\nStudent who have more less rating is: " << st->mostLess(st) << "\n";
 cout << "\n\nStudent who have most Hight rating is: " << st->mostMore(st) << "\n\n\n";
 //for (int i(0); i < s.getSize(); i++){
	// if (st[i].getR() > st[i].MIN())
	//	 cout<<st[i].getMark(st[i].MAX());
 //}
	system("pause");
}