#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <ctime>
using namespace std;
//note example print name on console: cout << listNameGetre[WESTERN] << endl;
struct TFakultet
{
	string Name;
	string Section;
	int numberOfStudents;
};
struct TRektor
{
	string nameRektor;
	string secondNameRector;
	string scienstDegree;
};

ostream& operator <<(ostream& out, const TFakultet& fakultet);
istream& operator >>(istream& in, TFakultet& fakultet);

ostream& operator <<(ostream& out, const TRektor& rektor);
istream& operator >>(istream& in, TRektor& rektor);

class TUniver
{
private:
	string nameUniversity;
	string street;
	TRektor* rektor;
	TFakultet* fakultets; //it is dynamic array
	int n; //number students
	int ageaudience;
	int House;

public:
	TUniver();
	TUniver(const TUniver& obj);
	TUniver(const string& nameUniversity_, const string& street_, int ageaudience_, int House_);
	~TUniver();
	const string& getnameUniversity()const;
	const string& getstreet()const;
	int				getAgeaudience()const;
	int				getHouse()const;
	int				getNumberFakultets()const;
	void			outputFakultets(ostream& out)const;
	void			outputRektor(ostream& out)const;

	void			setnameUniversity(const string& nameUniversity_);
	void		    setstreet(const string& street_);
	void			setAgeaudience(int ageaudience_);
	void 			setHouse(int House_);

	int				calcAverageAgeFakultet()const;
	bool			isExistdFakultet(string Name_, string Section_)const;
	bool			addFakultet(string Name_, string Section_, int numberOfStudents_);
	bool			addFakultet(const TFakultet& fakultet);
	bool			deleteFakultet(string Name_, string Section_);

	bool			isExistdRektor(string nameRektor_, string secondNameRector_)const;
	bool			addRektor(string nameRektor_, string secondNameRector_, string scienstDegree_);
	bool			addRektor(const TRektor& rektor);
	bool			deleteRektor(string nameRektor_, string secondNameRector_, string scienstDegree_);

	TFakultet* findOldestFakultet()const;
	int				calcAverageFakultetsTime()const;

	TUniver& operator =(const TUniver& obj);
	TUniver& operator +=(const TFakultet& fakultet);
	TUniver& operator +=(const TRektor& rektor);
	bool operator <(const TUniver& arg2) const;
	operator int()const;
};
ostream& operator <<(ostream& out, const TUniver& fakultet);
istream& operator >>(istream& in, TUniver& fakultet);

ostream& operator <<(ostream& out, const TUniver& rektor);
istream& operator >>(istream& in, TUniver& rektor);

int main()
{
	time_t  sysdate = time(NULL);
	cout << "Current Datetime:" << asctime(localtime(&sysdate)) << endl;
	TUniver chobit;
	cin >> chobit;
	cout << "Please add new fakultet:" << endl;
	TFakultet newFakultet;
	cin >> newFakultet;
	chobit += newFakultet;
	TRektor newRektor;
	cout << "Prepared info about film:\n";
	cout << chobit;
	cout << endl << endl;
	cout << "Average Fakultets Time: " << chobit.calcAverageFakultetsTime() << endl;
	cout << "Average age fakultet: " << chobit.calcAverageAgeFakultet() << endl;
	TFakultet* odestFakultet = chobit.findOldestFakultet();
	if (odestFakultet) cout << "Oldestfakultet is :\n" << *odestFakultet << endl;
	string Name;
	string Section;
	cout << "Please input  name fakultet which need delete:\n";
	cout << "\tinput  name: ";
	getline(cin, Name);
	cout << "\tinput second name: ";
	getline(cin, Section);
	bool result = chobit.deleteFakultet(Name, Section);
	if (!result) cout << "Warning: Fakultet not found " << endl;
	cout << "Final info about film:\n";
	cout << chobit << endl;

	system("pause");
	return 0;
}


ostream& operator <<(ostream& out, const TFakultet& fakultet)
{
	out << "\t" << fakultet.Name
		<< "\t" << fakultet.Section
		<< "\t" << fakultet.numberOfStudents;
	return out;
}
istream& operator >>(istream& in, TFakultet& fakultet)
{
	cout << "Please input  name: ";
	getline(in, fakultet.Name);
	cout << "Please input section: ";
	getline(in, fakultet.Section);
	cout << "Please input number of students: ";
	string strTmp;
	getline(in, strTmp);
	fakultet.numberOfStudents = atoi(strTmp.c_str());
	return in;
}

ostream& operator <<(ostream& out, const TRektor& rektor)
{
	out << "\t" << rektor.nameRektor
		<< "\t" << rektor.secondNameRector
		<< "\t" << rektor.scienstDegree;
	return out;
}

istream& operator >>(istream& in, TRektor& rektor)
{
	cout << "Please input  name: ";
	getline(in, rektor.nameRektor);
	cout << "Please input second name: ";
	getline(in, rektor.secondNameRector);
	cout << "Please input scienst degree: ";
	string strTmp;
	getline(in, strTmp);
	rektor.scienstDegree = atoi(strTmp.c_str());
	return in;
}

TUniver::TUniver() :n(0), fakultets(NULL), rektor(NULL),nameUniversity("New"), street("Ukrain"), ageaudience(0), House(0)
{
}
TUniver::TUniver(const TUniver& obj)
{
	nameUniversity = obj.nameUniversity;
	street = obj.street;
	ageaudience = obj.ageaudience;
	House = obj.House;
	n = obj.n;
	fakultets = new TFakultet[n];
	for (int i = 0; i < n; ++i)
	{
		fakultets[i] = obj.fakultets[i];
	}
	rektor = new TRektor[n];
	for (int i = 0; i < n; ++i)
	{
		rektor[i] = obj.rektor[i];
	}

}

TUniver::TUniver(const string& nameUniversity_, const string& street_, int ageaudience_, int House_)
	:n(0), fakultets(NULL), rektor(NULL),nameUniversity(nameUniversity_), street(street_), ageaudience(ageaudience_), House(House_)
{
}
TUniver::~TUniver()
{
	if (fakultets) delete[] fakultets;
	fakultets = NULL;
	if (rektor) delete[] rektor;
	rektor = NULL;
	n = 0;
}
const string& TUniver::getnameUniversity()const
{
	return nameUniversity;
}
const string& TUniver::getstreet()const { return street; }
int			TUniver::getAgeaudience()const { return ageaudience; }
int			TUniver::getHouse()const { return House; }
int			TUniver::getNumberFakultets()const { return n; }

void		TUniver::outputFakultets(ostream& out)const
{
	for (int i = 0; i < n; ++i)
		out << fakultets[i] << endl;
}
void		TUniver::outputRektor(ostream& out)const
{
	for (int i = 0; i < n; ++i)
		out << rektor[i] << endl;
}

void TUniver::setnameUniversity(const string& nameUniversity_) { nameUniversity = nameUniversity_; }
void TUniver::setstreet(const string& street_) { street = street_; }
void TUniver::setAgeaudience(int ageaudience_) { ageaudience = ageaudience_; }
void TUniver::setHouse(int House_) { House = House_; }

int				TUniver::calcAverageAgeFakultet()const
{
	int result = 0;
	time_t  sysdate = time(NULL);
	int curYear = 1900 + localtime(&sysdate)->tm_year;
	for (int i = 0; i < n; ++i)
		result += (curYear - fakultets[i].numberOfStudents);
	result /= n;
	return result;
}
bool	TUniver::isExistdFakultet(string Name_, string Section_)const
{
	for (int i = 0; i < n; ++i)
	{
		if (fakultets[i].Name == Name_ && fakultets[i].Section == Section_)
		{
			return true;
		}
	}
	return false;
}

bool			TUniver::addFakultet(string Name_, string Section_, int numberOfStudents_)
{
	TFakultet newFakultet = { Name_, Section_, numberOfStudents_ };
	return addFakultet(newFakultet);
}

bool			TUniver::addFakultet(const TFakultet& fakultet)
{
	if (isExistdFakultet(fakultet.Name, fakultet.Section)) return false;
	TFakultet* mas = new TFakultet[n + 1]; //выделяем новую область памяти
	for (int i = 0; i < n; ++i)
		mas[i] = fakultets[i];    //переносим массив в новую область памяти
	mas[n] = fakultet;  //заносим новый элемент на последнюю позицию
	delete[]fakultets;//удаляем старый массив
	fakultets = mas;//пернаправляем указатель на новый увеличенный массив
	++n;
	return true;
}
bool			TUniver::deleteFakultet(string Name_, string Section_)
{
	if (!isExistdFakultet(Name_, Section_)) return false;
	TFakultet* mas = new TFakultet[n - 1]; //выделяем новую область памяти
	int j = 0;
	for (int i = 0; i < n; ++i)
	{
		if (fakultets[i].Name == Name_ && fakultets[i].Section == Section_)
		{
			continue;
		}
		mas[j++] = fakultets[i];    //переносим массив в новую область памяти
	}
	delete[]fakultets;//удаляем старый массив
	fakultets = mas;//пернаправляем указатель на новый увеличенный массив
	--n;
}


TFakultet* TUniver::findOldestFakultet()const
{
	if (n <= 0) return NULL;
	TFakultet* oldestFakultet = fakultets;
	for (int i = 1; i < n; ++i)
	{
		if (fakultets[i].numberOfStudents < oldestFakultet->numberOfStudents) oldestFakultet = &fakultets[i];
	}
	return oldestFakultet;
}
int				TUniver::calcAverageFakultetsTime()const
{
	int result = 0;
	for (int i = 0; i < n; ++i)
		result += (fakultets[i].numberOfStudents);
	result /= n;
	return result;
}

TUniver& TUniver::operator =(const TUniver& obj)
{
	if (this == &obj) return (*this);
	this->~TUniver();
	nameUniversity = obj.nameUniversity;
	street = obj.street;
	ageaudience = obj.ageaudience;
	House = obj.House;
	n = obj.n;
	fakultets = new TFakultet[n];
	for (int i = 0; i < n; ++i)
	{
		fakultets[i] = obj.fakultets[i];
	}
	rektor = new TRektor[n];
	for (int i = 0; i < n; ++i)
	{
		rektor[i] = obj.rektor[i];
	}

}
TUniver& TUniver::operator +=(const TFakultet& fakultet)
{
	addFakultet(fakultet);
	return(*this);
}
bool TUniver::operator < (const TUniver& arg2) const
{
	return (this->House < arg2.House);
}
TUniver::operator int()const
{
	int result = calcAverageFakultetsTime();
	return result;
}

ostream& operator <<(ostream& out, const TUniver& Univer)
{
	out << Univer.getnameUniversity()
		<< "\t" << Univer.getstreet()
		<< "\t" << "House: " << Univer.getHouse()
		<< "\t Rector: " <<endl;
		//Univer.outputRektor(out);
	    Univer.outputFakultets(out);
	return out;
}
istream& operator >>(istream& in, TUniver& Univer)
{
	string strTmp;
	cout << "Please input name Univer: ";
	getline(in, strTmp);
	Univer.setnameUniversity(strTmp);
	cout << "Please input street: ";
	getline(in, strTmp);
	Univer.setstreet(strTmp);
	cout << "Please input House: ";
	getline(in, strTmp);
	Univer.setHouse(atoi(strTmp.c_str()));

	cout << "Please add rektor:"<<endl;
		TRektor rektor;
		in >> rektor;
		//getline(in, strTmp);
	    //Univer.setHouse(atoi(strTmp.c_str()));
		//Univer += rektor;
// 	cout << "Please input the age audience: ";
// 	getline(in, strTmp);
// 	Univer.setAgeaudience(atoi(strTmp.c_str()));
	string ansver;
	do
	{
		cout << "Please add fakultet:"<<endl;
		TFakultet fakultet;
		in >> fakultet;
		Univer += fakultet;
		cout << "Do wount continue add fakultets(y/n):";
		getline(in, ansver);
	} while (ansver.size() != 0 && ansver[0] == 'y');
	return in;
		//getline(in, ansver);
}