Simple Library Management System(Beta Version)

#include<iostream>
#include<string>
#include <conio.h> 
#include <windows.h> 
#include<fstream>
using namespace std;
class node{
private:
	string data;
	node *next;
public:
	int op1;
	enum Color { DARKBLUE = 1, DARKGREEN, DARKTEAL, DARKRED, DARKPINK, DARKYELLOW, GRAY, DARKGRAY, BLUE, GREEN, TEAL, RED, PINK, YELLOW, WHITE };
	/* http://www.infernodevelopment.com/set-console-text-color */
	static void SetColor(Color c) {
		SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
		//SetColor(YELLOW);
		//	cout << "X\b";
	}

	static void coutColored(Color c, string text) {
		SetColor(c);
		cout << text;
		SetColor(WHITE);
	}

	void goToXY(int x, int y) {
		COORD coord = { x, y };
		SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
	}

	int whereX() {
		CONSOLE_SCREEN_BUFFER_INFO consoleinfo;
		GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &consoleinfo);
		return consoleinfo.dwCursorPosition.X;
	}

	int whereY() {
		CONSOLE_SCREEN_BUFFER_INFO consoleinfo;
		GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &consoleinfo);
		return consoleinfo.dwCursorPosition.Y;
	}
	void Search(){
		int op;
		string search;
		int offset = 0;
		string line;
		goToXY(1, 5);
		SetColor(GREEN);
		cout << "---------------------" << endl;
		goToXY(1, 6);
		SetColor(TEAL);
		cout << " Categories         |" << endl;
		goToXY(1, 7);
		SetColor(GREEN);
		cout << "---------------------" << endl;
		goToXY(1, 8);
		SetColor(TEAL);
		cout << " Science Fiction    |" << endl;
		goToXY(1, 9);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 10);
		SetColor(TEAL);
		cout << " English Litrature  |" << endl;
		goToXY(1, 11);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 12);
		SetColor(TEAL);
		cout << " Islamic Books      |" << endl;
		goToXY(1, 13);
		SetColor(GREEN);
		cout << "---------------------" << endl;
		goToXY(1, 14);
		SetColor(TEAL);
		cout << " Computer Sciences  |" << endl;
		goToXY(1, 15);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 16);
		SetColor(TEAL);
		cout << " Management Sciences|" << endl;
		goToXY(1, 17);
		SetColor(GREEN);
		cout << "---------------------";
		goToXY(30, 7);
		cout << "Press 1 for Searching Science Fiction." << endl;
		goToXY(30, 8);
		cout << "Press 2 for Searching English Litrature." << endl;
		goToXY(30, 9);
		cout << "Press 3 for Searching Islamic Books." << endl;
		goToXY(30, 10);
		cout << "Press 4 for Searching Computer Sciences." << endl;
		goToXY(30, 11);
		cout << "Press 5 for Searching Management Sciences." << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << "Please,Enter your Search choice:" << endl;
		cin >> op;
		system("cls");
		if (op == 1){
			ifstream Searchinfile;
			Searchinfile.open("Science Fiction.txt");
			cout << "Please,Enter the name of the book you are searching for?" << endl;
			cin >> search;
			if (Searchinfile.is_open()){
				while (!Searchinfile.eof()){
					getline(Searchinfile, line);
					if ((offset == line.find(search, 0)) != string::npos){
						cout << "Book Found:" << search << endl;
					}
				}
			}
			Searchinfile.close();
		}
		else if (op == 2){
			ifstream Searchinfile;
			Searchinfile.open("English Litrature.txt");
			cout << "Please,Enter the name of the book you are searching for?" << endl;
			cin >> search;
			if (Searchinfile.is_open()){
				while (!Searchinfile.eof()){
					getline(Searchinfile, line);
					if ((offset == line.find(search, 0)) != string::npos){
						cout << "Book Found:" << search << endl;
					}
				}
			}
			Searchinfile.close();
		}
		else if (op == 3){
			ifstream Searchinfile;
			Searchinfile.open("Islamic Book.txt");
			cout << "Please,Enter the name of the book you are searching for?" << endl;
			cin >> search;
			if (Searchinfile.is_open()){
				while (!Searchinfile.eof()){
					getline(Searchinfile, line);
					if ((offset == line.find(search, 0)) != string::npos){
						cout << "Book Found:" << search << endl;
					}
				}
			}
			Searchinfile.close();

		}
		else if (op == 4){
			ifstream Searchinfile;
			Searchinfile.open("Computer Science.txt");
			cout << "Please,Enter the name of the book you are searching for?" << endl;
			cin >> search;
			if (Searchinfile.is_open()){
				while (!Searchinfile.eof()){
					getline(Searchinfile, line);
					if ((offset == line.find(search, 0)) != string::npos){
						cout << "Book Found:" << search << endl;
					}
				}
			}
			Searchinfile.close();

		}
		else{
			ifstream Searchinfile;
			Searchinfile.open("Management Science.txt");
			cout << "Please,Enter the name of the book you are searching for?" << endl;
			cin >> search;
			if (Searchinfile.is_open()){
				while (!Searchinfile.eof()){
					getline(Searchinfile, line);
					if ((offset == line.find(search, 0)) != string::npos){
						cout << "Book Found:" << search << endl;
					}
				}
			}
			Searchinfile.close();
	}
}
	
	

	
	void English_lit(){
		int x;
		int y = 7;
		int y1 = 9;
		string Name;
		goToXY(30, 3);
		SetColor(RED);
		cout << "~~~~~~Enter New Record~~~~~~" << endl;
		goToXY(23, 4);
		SetColor(TEAL);
		cout << "How many records do you want to enter:" << endl;
		goToXY(23, 5);
		SetColor(DARKBLUE);
		cin >> x;
		goToXY(23, y++);
		SetColor(TEAL);
		cout << "Enter the name of book number " << endl;
		for (int i = 0; i < x; i++){
			goToXY(23, y1++);
			SetColor(DARKBLUE);
			cin >> Name;
			Enter_Rcd(Name);
		}
		node *temp = head;
		ofstream writer("English Litrature.txt");
		writer << "~~~~English Litrature~~~~" << endl;
		while (temp != NULL){
			writer << temp->data << endl;
			temp = temp->next;
		}


	}

	void Ismalic_Std(){
		int x;
		int y = 7;
		int y1 = 9;
		string Name;
		goToXY(30, 3);
		SetColor(RED);
		cout << "~~~~~~Enter New Record~~~~~~" << endl;
		goToXY(23, 4);
		SetColor(TEAL);
		cout << "How many records do you want to enter:" << endl;
		goToXY(23, 5);
		SetColor(DARKBLUE);
		cin >> x;
		goToXY(23, y++);
		SetColor(TEAL);
		cout << "Enter the name of book number " << endl;
		for (int i = 0; i < x; i++){
			goToXY(23, y1++);
			SetColor(DARKBLUE);
			cin >> Name;
			Enter_Rcd(Name);
		}
		node *temp = head;
		ofstream writer("Islamic Book.txt");
		writer << "~~~~~~Islamic Books~~~~~~" << endl;
		while (temp != NULL){
			writer << temp->data << endl;
			temp = temp->next;
		}

	}
	void Computer_Std(){
		int x;
		int y = 7;
		int y1 = 9;
		string Name;
		goToXY(30, 3);
		SetColor(RED);
		cout << "~~~~~~Enter New Record~~~~~~" << endl;
		goToXY(23, 4);
		SetColor(TEAL);
		cout << "How many records do you want to enter:" << endl;
		goToXY(23, 5);
		SetColor(DARKBLUE);
		cin >> x;
		goToXY(23, y++);
		SetColor(TEAL);
		cout << "Enter the name of book number " << endl;
		for (int i = 0; i < x; i++){
			goToXY(23, y1++);
			SetColor(DARKBLUE);
			cin >> Name;
			Enter_Rcd(Name);
		}
		node *temp = head;
		ofstream writer("Computer Science.txt");
		writer << "~~~~~~Computer Science~~~~~~" << endl;
		while (temp != NULL){
			writer << temp->data << endl;
			temp = temp->next;
		}

	}
	void Management_Sci(){
		int x;
		int y = 7;
		int y1 = 9;
		string Name;
		goToXY(30, 3);
		SetColor(RED);
		cout << "~~~~~~Enter New Record~~~~~~" << endl;
		goToXY(23, 4);
		SetColor(TEAL);
		cout << "How many records do you want to enter:" << endl;
		goToXY(23, 5);
		SetColor(DARKBLUE);
		cin >> x;
		goToXY(23, y++);
		SetColor(TEAL);
		cout << "Enter the name of book number " << endl;
		for (int i = 0; i < x; i++){
			goToXY(23, y1++);
			SetColor(DARKBLUE);
			cin >> Name;
			Enter_Rcd(Name);
		}
		node *temp = head;
		ofstream writer("Management Science.txt");
		writer << "~~~~~~Management Science~~~~~~" << endl;
		while (temp != NULL){
			writer << temp->data << endl;
			temp = temp->next;
		}


	}
	void Science_Fct(){
		int x;
		int y = 7;
		int y1 = 9;
		string Name;
		goToXY(30, 3);
		SetColor(RED);
		cout << "~~~~~~Enter New Record~~~~~~" << endl;
		goToXY(23, 4);
		SetColor(TEAL);
		cout << "How many records do you want to enter:" << endl;
		goToXY(23, 5);
		SetColor(DARKBLUE);
		cin >> x;
		goToXY(23, y++);
		SetColor(TEAL);
		cout << "Enter the name of book number " << endl;
		for (int i = 0; i < x; i++){
			goToXY(23, y1++);
			SetColor(DARKBLUE);
			cin >> Name;
			Enter_Rcd(Name);
		}
		node *temp = head;
		ofstream writer("Science Fiction.txt");
		writer << "~~~~~~Science Fiction~~~~~~" << endl;
		while (temp != NULL){
			writer << temp->data << endl;
			temp = temp->next;
		}

	}
	node *head;
	void Enter_Rcd(string book_name){
		node *temp = new node;
		temp->data = book_name;
		temp->next = NULL;
		if (head != NULL){
			temp->next = head;
		}
		head = temp;
	}
	void Mnu_for_Rcd(){

		goToXY(1, 5);
		cout << "---------------------" << endl;
		goToXY(1, 6);
		SetColor(TEAL);
		cout << " Categories         |" << endl;
		goToXY(1, 7);
		SetColor(GREEN);
		cout << "---------------------" << endl;
		goToXY(1, 8);
		SetColor(TEAL);
		cout << " Science Fiction    |" << endl;
		goToXY(1, 9);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 10);
		SetColor(TEAL);
		cout << " English Litrature  |" << endl;
		goToXY(1, 11);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 12);
		SetColor(TEAL);
		cout << " Islamic Books      |" << endl;
		goToXY(1, 13);
		SetColor(GREEN);
		cout << "---------------------" << endl;
		goToXY(1, 14);
		SetColor(TEAL);
		cout << " Computer Sciences  |" << endl;
		goToXY(1, 15);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 16);
		SetColor(TEAL);
		cout << " Management Sciences|" << endl;
		goToXY(1, 17);
		SetColor(GREEN);
		cout << "---------------------";

		goToXY(30, 7);
		cout << "Press 1 for Science Fiction." << endl;
		goToXY(30, 8);
		cout << "Press 2 for English Litrature." << endl;
		goToXY(30, 9);
		cout << "Press 3 for Islamic Books." << endl;
		goToXY(30, 10);
		cout << "Press 4 for Computer Sciences." << endl;
		goToXY(30, 11);
		cout << "Press 5 for Management Sciences." << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << "Please,Enter your choice:" << endl;
		cin >> op1;
		Decision1(op1);
	}
	void Decision1(int x){
		switch (x){
		case 1:
			system("cls");
			Science_Fct();
			break;
		case 2:
			system("cls");
			English_lit();
			break;
		case 3:
			system("cls");
			Ismalic_Std();
			break;
		case 4:
			system("cls");
			Computer_Std();
			break;
		case 5:
			system("cls");
			Management_Sci();
			break;
		default:
			cout << "Error:Invalid Entry" << endl;
		}
	}
};

class Library_Mgn_Sys{
private:
	node obj;
	string Password = "united123";
	string PWD;
	string USNM = "Zerk";
	string Newpass;
	char ch;
	int op;
	string old_pass;
public:
	enum Color { DARKBLUE = 1, DARKGREEN, DARKTEAL, DARKRED, DARKPINK, DARKYELLOW, GRAY, DARKGRAY, BLUE, GREEN, TEAL, RED, PINK, YELLOW, WHITE };
	/* http://www.infernodevelopment.com/set-console-text-color */
	static void SetColor(Color c) {
		SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
		//SetColor(YELLOW);
		//	cout << "X\b";
	}

	static void coutColored(Color c, string text) {
		SetColor(c);
		cout << text;
		SetColor(WHITE);
	}

	void goToXY(int x, int y) {
		COORD coord = { x, y };
		SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
	}

	int whereX() {
		CONSOLE_SCREEN_BUFFER_INFO consoleinfo;
		GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &consoleinfo);
		return consoleinfo.dwCursorPosition.X;
	}

	int whereY() {
		CONSOLE_SCREEN_BUFFER_INFO consoleinfo;
		GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &consoleinfo);
		return consoleinfo.dwCursorPosition.Y;
	}

	void LogIn(){
		for (;;){
			SetColor(DARKGREEN);
			goToXY(28, 1);
			cout << "LIBRARY MANAGEMENT SYSTEM" << endl;
			goToXY(30, 3);
			SetColor(RED);
			cout << "~~~~~~LOG IN~~~~~~" << endl;
			goToXY(30, 4);
			SetColor(GREEN);
			cout << "Username:" << endl;
			goToXY(40, 4);
			SetColor(RED);
			cin >> USNM;
			goToXY(30, 6);
			SetColor(GREEN);
			cout << "Password:" << endl;
			goToXY(40, 6);
			SetColor(RED);
			ch = _getch();
			while (ch != 13)
			{
				PWD.push_back(ch);
				cout << '*';
				ch = _getch();
			}
			cout << endl;
			system("cls");
			if (USNM == "Zerk" && PWD == Password){
				break;
			}
		}
	}
	void Log_Out(){
		exit(0);
		LogIn();
	}
	void Change_pass(){
		goToXY(30, 3);
		cout << "----New Password----" << endl;
		goToXY(30, 4);
		cout << "Old Password:" << endl;
		goToXY(43, 4);
		cin >> old_pass;
		goToXY(30, 5);
		cout << "New Password:" << endl;
		goToXY(43, 5);
		cin >> Newpass;
		PWD = Newpass;
	}
	void Interface(){
		int c = 0;
		cout << endl;
		goToXY(0, 2);
		SetColor(RED);
		cout << "User:" << USNM << endl;
		goToXY(10, 1);
		SetColor(GREEN);
		cout << "---------------------------------------------------------------------" << endl;
		goToXY(10, 2);
		SetColor(TEAL);
		cout << "|  Enter Records | Change Password |  Search Book   |  Log Out       |" << endl;
		SetColor(GREEN);
		goToXY(10, 3);
		cout << "---------------------------------------------------------------------" << endl;
		goToXY(1, 5);
		cout << "---------------------" << endl;
		goToXY(1, 6);
		SetColor(TEAL);
		cout << " Categories         |" << endl;
		goToXY(1, 7);
		SetColor(GREEN);
		cout << "---------------------" << endl;
		goToXY(1, 8);
		SetColor(TEAL);
		cout << " Science Fiction    |" << endl;
		goToXY(1, 9);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 10);
		SetColor(TEAL);
		cout << " English Litrature  |" << endl;
		goToXY(1, 11);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 12);
		SetColor(TEAL);
		cout << " Islamic Books      |" << endl;
		goToXY(1, 13);
		SetColor(GREEN);
		cout << "---------------------" << endl;
		goToXY(1, 14);
		SetColor(TEAL);
		cout << " Computer Sciences  |" << endl;
		goToXY(1, 15);
		SetColor(GREEN);
		cout << "--------------------" << endl;
		goToXY(1, 16);
		SetColor(TEAL);
		cout << " Management Sciences|" << endl;
		goToXY(1, 17);
		SetColor(GREEN);
		cout << "---------------------";
	}
	
	void Directions(){
		goToXY(30, 7);
		cout << "Press 1 for Enter Records." << endl;
		goToXY(30, 8);
		cout << "Press 2 for Change Password." << endl;
		goToXY(30, 9);
		cout << "Press 3 for Search Book." << endl;
		goToXY(30, 10);
		cout << "Press 4 for Log Out." << endl;
		goToXY(30, 11);
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << endl;
		cout << "Please , select the option." << endl;
		cin >> op;
		Selector(op);

	}
	void Selector(int x){
		switch (x){
		case 1:
			system("cls");
			obj.Mnu_for_Rcd();
			break;
		case 2:
			system("cls");
			Change_pass();
			break;
		case 3:
			system("cls");
			obj.Search();
			break;
		case 4:
			system("cls");
			Log_Out;
			break;
		default:
			cout << "Invalid Instruction." << endl;
		}
	}
	
};
int main(){
	Library_Mgn_Sys set1;
	set1.LogIn();
	set1.Interface();
	set1.Directions();
}