#include "pch.h"
#include <iostream>
#include <string>
#include <fstream>
#include <algorithm>
#include <vector>
#include <filesystem>

using namespace std;

namespace fs = std::experimental::filesystem;

struct Proekts
{
	string nameproject;
	int costproject;
};

struct Kyrsi
{
	int students;

	int costofeducation;

	int nomer;

};

class unit
{
protected:
    string name;  //подразделение название
	string fio; //подразделение название руководителя (ФИО),
	int graduate, employee; // число аспирантов, число сотрудников

public:
	unit() {}
	string getname() { return name; }
	string getfio() { return fio; }
	int getgraduate() { return graduate; }
	int getemployee() { return employee; }
	virtual void print() = 0;
	virtual int profit() = 0;
	virtual void zapic(string a, ofstream& n) = 0;
	virtual void otkrit(string a, ifstream& n) = 0;

};

class educational : public unit
{

private:                      //проекты(название, стоимость)
	int kolproject;
	vector <Proekts> proekti;
public:
	educational()
	{
		cout << endl << "Vvedite nazvanei podrazdelenia ";
		cin >> name;
		cout << endl << "Vvedite FIO rykovoditelia ";
		cin >> fio;
		cout << endl << "Chislo aspirantov podrazdelenia ";
		cin >> graduate;
		cout << endl << "Chislo sotrydnikov podrazdelenia ";
		cin >> employee;
		cout << endl << "Kolichestvo proektov ";
		cin >> kolproject;
		proekti.reserve(kolproject);
		for (int i = 0; i < kolproject; i++)
		{
			Proekts tosha;

			cout << endl << "Nazvanie proekta ";
			cin >> tosha.nameproject;
			cout << endl << "Stoimost proekta ";
			cin >> tosha.costproject;
			cin.get();
			proekti.push_back(tosha);
		}
	}
	educational(int f)
	{}
	void print()
	{
		cout << endl << "Nazvanei podrazdelenia ";
		cout << name;
		cout << endl << "FIO rykovoditelia ";
		cout << fio;
		cout << endl << "Chislo aspirantov podrazdelenia ";
		cout << graduate;
		cout << endl << "Chislo sotrydnikov podrazdelenia ";
		cout << employee;
		cout << endl << "Kolichestvo proektov ";
		cout << kolproject;
		for (int i = 0; i < kolproject; i++)
		{
			cout << endl << "Nazvanie proekta ";
			cout << proekti[i].nameproject;
			cout << endl << "Stoimost proekta ";
			cout << proekti[i].costproject;

		}
		cout << endl;
	}
	int profit()

	{
		int otvet = 0;
		for (int i = 0; i < kolproject; i++)
		{
			otvet = otvet + proekti[i].costproject;
		}
		return otvet;
	}
	void zapic(string a, ofstream& pot)
	{
		pot << 1;
		pot << "\n";
		pot << name;
		pot << "\n";
		pot << fio;
		pot << "\n";
		pot << graduate;
		pot << "\n";
		pot << employee;
		pot << "\n";
		pot << kolproject;
		pot << "\n";
		for (int i = 0; i < kolproject; i++)
		{
			pot << proekti[i].nameproject;
			pot << "\n";
			pot << proekti[i].costproject;
			pot << "\n";

		}
	}
	void otkrit(string a, ifstream& pot)
	{

		cout << endl << "Nazvanei podrazdelenia ";
		pot >> name;
		cout << name;
		cout << endl << "FIO rykovoditelia ";
		pot >> fio;
		cout << fio;
		cout << endl << "Chislo aspirantov podrazdelenia ";
		pot >> graduate;
		cout << graduate;
		cout << endl << "Chislo sotrydnikov podrazdelenia ";
		pot >> employee;
		cout << employee;
		cout << endl << "Kolichestvo proektov ";
		pot >> kolproject;
		cout << kolproject;
		proekti.reserve(kolproject);
		for (int i = 0; i < kolproject; i++)
		{
			Proekts tosha;
			cout << endl << "Nazvanie proekta ";
			pot >> tosha.nameproject;
			cout << tosha.nameproject;
			cout << endl << "Stoimost proekta ";
			pot >> tosha.costproject;
			cout << tosha.costproject;
			proekti.push_back(tosha);

		}
		cout << endl;

	}

};

class science : public unit
{

private:
	vector <Kyrsi> kyrsis[6];   //число студентов и стоимость обучения одного студента , курс
	int sc = 0;
public:
	    science() :
	unit()
{
	cout << endl << "Vvedite nazvanei podrazdelenia ";
	cin >> name;
	cout << endl << "Vvedite FIO rykovoditelia ";
	cin >> fio;
	cout << endl << "Chislo aspirantov podrazdelenia ";
	cin >>  graduate;
	cout  << endl <<  "Chislo sotrydnikov podrazdelenia ";
	cin >> employee;
	string flag;
		do
		{
			Kyrsi tosha;
			cout << endl << "Kakoe kyrs? ";
			cin >> tosha.nomer;
			tosha.students = 1;
			cout << endl << "Stoimost obychenia stydenta ";
			cin >> tosha.costofeducation;
			cin.get();
			kyrsis[tosha.nomer-1].push_back(tosha);
			sc++;
			cout << endl << "Prodolgit? (yes/no)" << endl;
			cin >> flag;
		} while (flag != "no");

}
		science(int y)
		{}
		void print()
		{
			cout << endl << "Nazvanei podrazdelenia ";
			cout <<  name;
			cout << endl << "FIO rykovoditelia ";
			cout << fio;
			cout << endl << "Chislo aspirantov podrazdelenia ";
			cout << graduate;
			cout << endl << "Chislo sotrydnikov podrazdelenia ";
			cout << employee;
			for (int i = 0; i < 6; i++)
			{
				for (int j = 0; j < kyrsis[i].size(); j++)
				{
					cout << endl << "Kolichestvo ctydentov " << i + 1 << " kyrsa ";
					cout << kyrsis[i][j].students;
					cout << endl << "Stoimost obychenia stydenta " << i + 1 << " kyrsa ";
					cout << kyrsis[i][j].costofeducation;
				}
			}
			cout << endl;
		}
		int profit()
		{
			int otvet = 0;
			for (int i = 0; i < 6; i++)
				for (int j = 0; j< kyrsis[i].size();j++)
				otvet = otvet + kyrsis[i][j].students * kyrsis[i][j].costofeducation;
			return otvet;
		}
		void zapic(string a, ofstream& pot)
		{
			    pot << 2;
			    pot << "\n";
				pot << name;
				pot << "\n";
				pot << fio;
				pot << "\n";
				pot << graduate;
				pot << "\n";
				pot << employee;
				pot << '\n';
				pot << sc << '\n';
				for (int i = 0; i < 6; i++)
				{
					if (kyrsis[i].size()!=0)
						for (int j = 0; j < kyrsis[i].size(); j++)
					{
						pot << i + 1 << '\n';
						pot << kyrsis[i][j].costofeducation << '\n';
					}
				}
		}
		void otkrit(string a, ifstream& pot)
		{
			string str;
				cout << endl << "Nazvanei podrazdelenia ";
				pot >> name;
				cout << name;
				cout << endl << "FIO rykovoditelia ";
				pot >> fio;
				cout << fio;
				cout << endl << "Chislo aspirantov podrazdelenia ";
				pot >> graduate;
				cout << graduate;
				cout << endl << "Chislo sotrydnikov podrazdelenia ";
				pot >> employee;
				cout << employee;
				pot >> sc;
				for (int i = 0; i < sc;i++)
				{
					Kyrsi tosha;
					int n;

					pot >> n;
					cout << endl << "Odin stydent ";
					cout << endl << "Nomer kyrsa " << n ;

					//kyrsis[n-1].resize(1);
						pot >> tosha.costofeducation;
						cout << endl << "Stoimost obychenia " << tosha.costofeducation;
						tosha.nomer = n;
						tosha.students = 1;
						kyrsis[n-1].push_back(tosha);

				}
				cout << endl;
			}
};


bool p1(unit* a, unit* l)
{
	return  a->getname() > l->getname();
}

bool p2(unit* a, unit* l)
{

		return  a->getemployee() > l->getemployee();

}

class BD
{
public: vector <unit*> baza;
        void zapolnenie()
		{
			string flag; string vibor;
			do
			{
				cout << endl << "Kakoe predpriatie? 1) obrazovatelnoe (o) ; 2) nauchnoe (n) ";
				cin >> vibor;
				if (vibor == "o")
				{
					baza.push_back(new educational);
				}
				if (vibor == "n")
				{
					baza.push_back(new science);
				}
				if (vibor != "n" && vibor != "o") {
					cout << endl << "Nepravilni vvod\n" << endl;
				}
				cout << endl << "Prodolgit? (yes/no)" << endl;
				cin >> flag;

			} while (flag != "no");
		}
		void sortirovka1()

		{
			sort(baza.begin(), baza.end(), p1);

			for (int i = 0; i < baza.size(); i++)
			{
				baza[i]->print();
			}
		}
		void sortirovka2()
		{
			sort(baza.begin(), baza.end(), p2);

			for (int i = 0; i < baza.size(); i++)
			{
				baza[i]->print();
			}

		}
		void profit()
		{
			for (int i = 0; i < baza.size(); i++)
			{
				cout << endl << "Viruchka= ";
				cout << baza[i]->profit();
			}
			cout << endl;
		}
		void nach()
		{
			bool  flag2 = 1;
			string a;
			cout << endl << "Vvedite FIO ";
			cin >> a;
			for (int i = 0; i < baza.size(); i++)
			{
				if (baza[i]->getfio() == a)
				{
					baza[i]->print();
					flag2 = 0;
				}
				else
				{
					baza.erase(baza.cbegin() + i);
					i--;
					flag2 = 0;
				}
			}
			if (flag2)
			{
				cout << endl << "Net takogo " << endl;
			}
		}
		void aspir()
		{
			bool  flag2 = 1;
			int a;
			cout << endl << "Vvedite kolichestvo aspirantov ";
			cin >> a;
			for (int i = 0;  i < baza.size(); i++)
			{
				if ((baza[i]->getemployee() / baza[i]->getgraduate()) < a || (baza[i]->getemployee() / baza[i]->getgraduate()) == a)
				{
					baza[i]->print();
					flag2 = 0;
				}
				if ((baza[i]->getemployee() / baza[i]->getgraduate()) > a )
				{
					baza.erase(baza.cbegin() + i);
					i--;
					flag2 = 0;
				}

			}
			if (flag2)
			{
				cout << endl << "Net takogo " << endl;
			}
		}
		void fail(string h)
		{
			string b = "C:\\Users\\Crazzy\\Desktop\\BDfail\\";
			b = b + h + ".txt";

			ofstream rewrite(b);
			rewrite.write("", 0);
			rewrite.close();

			int vel = baza.size();
			ofstream pot;
			pot.open(b, ofstream::app);
				pot << vel;
				pot << "\n";

				for (int i = 0; i < baza.size(); i++)
				{
					baza[i]->zapic(b, pot);
				}
				pot.close();
		}
		void fail()
		{
			string h;
			string b = "C:\\Users\\Crazzy\\Desktop\\BDfail\\";
			cout << "Vvedite nazvanio faila " << endl;
			cin >> h;
			b = b + h + ".txt";
			ofstream rewrite(b);
			rewrite.write("", 0);
			rewrite.close();

			int vel = baza.size();
			ofstream pot;
			pot.open(b, ofstream::app);
			pot << vel;
			pot << "\n";                                          //один раз открыть , один закрыть

			for (int i = 0; i < baza.size(); i++)
			{
				baza[i]->zapic(b, pot);
			}
			pot.close();
		}
		void udal()
		{

			bool  flag2 = 1;
			string a;
			cout << endl << "Vvedite nazvanio podrazdelenia ";
			cin >> a;
			auto iter = baza.cbegin();  // указатель на первый элемент
			for (int i = 0; i < baza.size(); i++)
			{
				if (baza[i]->getname() == a)
				{
					baza.erase(iter + i);
					flag2 = 0;
					break;
				}
			}
			if (flag2)
			{
				cout << endl << "Net takogo " << endl;
			}

			for (int i = 0; i < baza.size(); i++)
			{
				baza[i]->print();
			}
		}
		void chtenie( string h)
		{
		     int g1, g2 = 0;

			string b;
			while (true)
			{
				b = "C:\\Users\\Crazzy\\Desktop\\BDfail\\";
				b = b + h + ".txt";
				ifstream g;
				g.open(b);
				try
				{
					if (!g.is_open())
					{
						throw exception("Error: Takogo BD net\n");
					}
					else { break; }

				}
				catch (const std::exception& ex)
				{
					cout << ex.what() << endl;
				}
			}
			ifstream pot1;
			pot1.open(b);
				pot1 >> g1;

				for (int i = 0; i < g1; i++)
				{
					pot1 >> g2;

					if (g2 == 1)
					{
						baza.push_back(new educational(g2));
						baza[i]->otkrit(b, pot1);
					}
					else
					{
						baza.push_back(new science(g2));
						baza[i]->otkrit(b, pot1);
					}

				}

				pot1.close();
				cout << "____________________________________________________________";
		}
		void dobav(string h)
		{

			string b = "C:\\Users\\Crazzy\\Desktop\\BDfail//";

			 b = b + h + ".txt";
			 ofstream pot;
			 pot.open(b, ofstream::app);
			for (int i = 0; i < baza.size(); i++)
			{
				baza[i]->zapic(b, pot);
			}
			pot.close();
		}

};

int main()
{

	string flag2;
	do
	{ while (true)
		{
		cout << "__________________________________________________________" << endl;
		cout << "Dobro pogalovat" << endl;
		cout << "Spisok komand: " << endl;
		cout << "1) Sozdat BD " << endl;
		cout << "2) Otkrit BD " << endl;
		cout << "3) Vivod spiska BD " << endl;
		cout << "4) Viborka " << endl;
		cout << "5) Izmenit BD " << endl;
		cout << "6) Dopolnitelnoe " << endl << endl;
		string vib, n, exo;
		do
		{
			n = cin.get();
			vib = vib + n;
		} while (cin.peek() != '<' && cin.peek() != '\n');
			n = cin.get();

			if ( n == "<")
			{
				int raz = vib.size();
				vib.erase(vib.begin() + raz - 1);

				do
				{
					n = cin.get();
					exo = exo + n;
				} while (cin.peek() != '>');
				n = cin.get();
				n = cin.get();
			}
		try
		{
			if (vib != "sozdat bd" && vib != "otkrit bd" && vib != "vivod spiska bd" && vib != "viborka" && vib != "izmenit bd" && vib != "dopolnitelnoe" && vib != "sozdat bd" && vib != "otkrit bd" && vib != "vivod spiska bd" && vib != "viborka" && vib != "izmenit bd" && vib != "dopolnitelnoe")
			{
				throw exception("Error: Nepravilnii vvod\n");
			}
		}
		catch (const std::exception& ex)
		{
			cout << ex.what() << endl;
			/*cin.clear();
			while (cin.get() != '\n');
			continue; */
		}

		if (vib == "vivod spiska bd")
		{
			for (auto& hen : fs::directory_iterator("C:\\Users\\Crazzy\\Desktop\\BDfail"))
			{
				cout << hen.path().filename() << endl;
			}
		}
		if (vib == "sozdat bd")
		{
			BD ann;
			ann.zapolnenie();
			string yes_no;
			cin.get();
			while (true)
			{
				cout << "Sohranit cozdannoe BD? yes/no ";
				try
				{
					getline(cin, yes_no);
					if (yes_no != "yes" && yes_no != "no")
					{
						throw exception("Error: Nepravilnii tip\n");
					}
					else { break; }

				}
				catch (const std::exception& ex)
				{
					cout << ex.what() << endl;
					/*cin.clear();
					while (cin.get() != '\n');
					continue;*/
				}
			}
			if (yes_no == "yes")
			{
				ann.fail(exo);
			}
		}

		if (vib == "izmenit bd")
		{
			string yes_no;
			while (true)
			{
				cout << endl << "Chto gelaete sdelat? 1) otsortirovat zapisi, (sort) 2) ydalit zapisi, (del) 3) dobavit " << endl;
				try
				{
					getline(cin, yes_no);
					if (yes_no != "sort" && yes_no != "del"  && yes_no != "dobavit")
					{
						throw exception("Error: Nepravilnii vvod\n");
					}
					else { break; }
				}
				catch (const std::exception& ex)
				{
					cout << ex.what() << endl;
					/*cin.clear();
					while (cin.get() != '\n');
					continue;*/
				}
			}
			if (yes_no == "sort")
			{
				while (true)
				{
					cout << "1) po nazvaniy, 2) po chisly sotrudnikov ";
					try
					{
						getline(cin, yes_no);
						if (yes_no != "po nazvaniy" && yes_no != "po chisly sotrudnikov")
						{
							throw exception("Error: Nepravilnii vvod\n");
						}
						else { break; }
					}
					catch (const std::exception& ex)
					{
						cout << ex.what() << endl;
						/*cin.clear();
						while (cin.get() != '\n');
						continue;*/
					}
				}
				if (yes_no == "po nazvaniy")
				{
					BD ann;
					ann.chtenie(exo);
					ann.sortirovka1();
					string uy;
					while (true)
					{
						cout << endl << "Hotite sohranit? yes/no ";
						try
						{
							getline(cin, uy);
							if (uy != "yes" && uy != "no")
							{
								throw exception("Error: Nepravilnii vvod\n");
							}
							else { break; }
						}
						catch (const std::exception& ex)
						{
							cout << ex.what() << endl;
							/*cin.clear();
							while (cin.get() != '\n');
							continue;*/
						}
					}
					if (uy == "yes")
					{
						ann.fail();
					}

				}
				else
				{
					BD ann;
					ann.chtenie(exo);
					ann.sortirovka2();
					string uy;
					while (true)
					{
						cout << "Hotite sohranit? yes/no ";
						try
						{
							getline(cin, uy);
							if (uy != "no" && uy != "yes")
							{
								throw exception("Error: Nepravilnii vvod\n");
							}
							else { break; }
						}
						catch (const std::exception& ex)
						{
							cout << ex.what() << endl;
							/*cin.clear();
							while (cin.get() != '\n');
							continue;*/
						}
					}
					if (uy == "yes")
					{
						ann.fail();
					}
				}

			}
			if (yes_no == "del")
			{
				BD ann;
				ann.chtenie(exo);
				ann.udal();
				string uy;
				cin.get();
				while (true)
				{
					cout << "Hotite sohranit? yes/no ";
					try
					{
						getline(cin, uy);
						if (uy != "yes" && uy != "no")
						{
							throw exception("Error: Nepravilnii vvod\n");
						}
						else { break; }
					}
					catch (const std::exception& ex)
					{
						cout << ex.what() << endl;
						/*cin.clear();
						while (cin.get() != '\n');
						continue;*/
					}
				}
				if (uy == "yes")
				{
					ann.fail();
				}

			}


			if (yes_no == "dobavit")
			{
				BD ann;
				ann.chtenie(exo);
				ann.zapolnenie();
				ann.dobav(exo);
				string rar;
				while (true)
				{
					cout << "Sohranit izmenenia?  yes / no ";
					try
					{
						cin >> rar;
						if (rar != "no" && rar != "yes")
						{
							throw exception("Error: Nepravilnii vvod\n");
						}
						else { break; }
					}
					catch (const std::exception& ex)
					{
						cout << ex.what() << endl;
						/*cin.clear();
						while (cin.get() != '\n');
						continue;*/
					}
				}
				if (rar == "yes")
				{
					ann.fail();
					cin.get();
				}
			}
		}

		if (vib == "dopolnitelnoe")
		{
			string y;
			while (true)
			{
				cout << endl << "1 - podschet pridili BD (pribil), 2 - poisk podrazdelenai vnytri BD po FIO (poisk po fio) " << endl;
				try
				{
					getline(cin, y);
					if (y != "pribil" && y != "poisk po fio")
					{
						throw exception("Error: Nepravilnii vvod\n");
					}
					else { break; }
				}
				catch (const std::exception& ex)
				{
					cout << ex.what() << endl;
					/*cin.clear();
					while (cin.get() != '\n');
					continue;*/
				}
			}
			{
				BD ann;
				ann.chtenie(exo);

				if (y == "pribil")
				{
					ann.profit();
				}
				else
				{
					ann.nach();
				}
			}
		}

		if (vib == "otkrit bd")
		{
			BD ann;
			ann.chtenie(exo);
		}

		if (vib == "viborka")
		{
			string vin;
			while (true)
			{
				cout << "Kakaia viborka?  1) po aspirantam, 2) po nachalniky ";
				try
				{
					getline(cin, vin);
					if (vin != "po aspirantam" && vin != "po nachalniky")
					{
						throw exception("Error: Nepravilnii vvod\n");
					}
					else { break; }
				}
				catch (const std::exception& ex)
				{
					cout << ex.what() << endl;
					/*cin.clear();
					while (cin.get() != '\n');
					continue;*/
				}
			}
			if (vin == "po aspirantam")
			{
				BD ann;
				ann.chtenie(exo);
				ann.aspir();
				ann.fail();
			}
			else
			{
				BD ann;
				ann.chtenie(exo);
				ann.nach();
				ann.fail();
			}
		}
	}
	while (true)
		{
			cout << endl << "Prodolgit? (yes/no)" << endl;
			try
			{
				getline(cin, flag2);
				if (flag2 != "no" && flag2 != "yes")
				{
					throw exception("Error: Oshibka vvoda");
				}
				else { break; }
			}
			catch (const std::exception& ex)
			{
				cout << ex.what() << endl;
				/*cin.clear();
				while (cin.get() != '\n');
				continue;*/
			}
		}

	} while (flag2 != "no");
	return 0;
}