diff --git a/CS_Management.cpp b/CS_Management.cpp
index 4f953a7..f115870 100644
--- a/CS_Management.cpp
+++ b/CS_Management.cpp
@@ -1,46 +1,817 @@
-// CS_Management.cpp : This file contains the 'main' function. Program execution begins and ends there.
-//
-
 #include <iostream>
+#include<fstream>
+#include<chrono>
+#include<ctime>
+#include<string>
+#include<Windows.h>
+
 using namespace std;
 
 class CarService {
-    void  CheckIn();
-    void CheckOut();
-    void Admin();
-    void Employee();
-    void AlreadyCust();
-    void NewCust();
-    void RTHP();
-    void NewComplain();
-    void ServiceHistory();
-    void Submit();
-
+public:
+	void HomePage();
+	void CheckIn();
+	void CheckOut();
+	void Admin();
+	void Employee();
+	void AlreadyCust();
+	void NewCust();
+	void Employee_Delete(string);
+	string Employee_search(string);
+	string IssuesSearch(string);
+	void IssuesDelete(string);
+	void StatusUpdate(string, string);
+	void NewComplain();
+	void ServiceHistory(string,string);
+	void Submit();
+	void Issues(string);
+	void Employee_Status_Update(string,string);
+	string CustomerSearch(string);
 };
+
+
+
 void CarService::CheckIn() {
-    
-    cout << "1. Already Customer\n2. New Customer\n3. Return to Home Page\n";
-    cout << "Enter your choice: ";
-    int choice;
-    cin >> choice;
-    switch(choice)
-    {
-    case 1: AlreadyCust();
-        break;
-    case 2: 
 
-int main()
+	cout << "1. Already Customer\n2. New Customer\n3. Return to Home Page\n";
+	cout << "Enter your choice: ";
+	int choice;
+	cin >> choice;
+	switch (choice)
+	{
+	case 1: AlreadyCust();
+		break;
+	case 2: NewCust();
+		break;
+	case 3: HomePage();
+		break;
+	}
+}
+
+
+void CarService::HomePage() {
+	int choice;
+	cout << "1. Check In\n2. Check Out\n3. Admin\n4. Employee\n5. Exit" << endl;
+	cout << "Enter your choice" << endl;
+	cin >> choice;
+	switch (choice) {
+	case 1:CheckIn();
+		break;
+	case 2:CheckOut();
+		break;
+	case 3:Admin();
+		break;
+	case 4:Employee();
+		break;
+	case 5: exit;
+	}
+
+}
+
+void CarService::CheckOut() {
+
+}
+
+void CarService::Admin() {
+	fstream AdminFile;
+	AdminFile.open("Admin.txt", ios::in);
+	SYSTEMTIME st;
+	GetSystemTime(&st);
+	string userName, password, buffer, passw;
+	int choice;
+	cout << "Enter Username: ";
+	cin >> userName;
+	cout << "Enter Password: ";
+	HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
+	DWORD mode = 0;
+	GetConsoleMode(hStdin, &mode);
+	SetConsoleMode(hStdin, mode & (~ENABLE_ECHO_INPUT));
+	cin.ignore();
+	getline(cin, password);
+	SetConsoleMode(hStdin, mode);
+	hash<string> mystdhash;
+	password = mystdhash(password);
+	if (!AdminFile.is_open()) {
+		AdminFile.open("Admin.txt", ios::out);
+		AdminFile << userName << "|" << password << "$" << endl;
+		AdminFile.close();
+	}
+	else {
+		buffer.erase();
+		int i = 0;
+		getline(AdminFile, buffer);
+		while (buffer[i] != '|')
+			userName += buffer[i++];
+		i++;
+		while (buffer[i] != '$')
+			passw += buffer[i++];
+		if (passw == password)
+		{
+			AdminFile.close();
+			cout << "login Successfull" << endl;
+			cout << "\n";
+			cout << "1. Add Employee" << endl;
+			cout << "2. Remove Employee" << endl;
+			
+			cin >> choice;
+			fstream Employee("Employee.txt", ios::app);
+			string employee_name, salary, employee_position, joining_date, employee_id, status2, pass, re_enterPass;
+			if (choice == 1) {
+				cout << "Enter Employee Name" << endl;
+				cin >> employee_name;
+				cout << "Enter Employee User id" << endl;
+				cin >> employee_id;
+				int flag = 0;
+				while (true) {
+					pass.erase();
+					re_enterPass.erase();
+					cout << "Enter Employee Password" << endl;
+					GetConsoleMode(hStdin, &mode);
+					SetConsoleMode(hStdin, mode & (~ENABLE_ECHO_INPUT));
+					cin.ignore();
+					getline(cin, pass);
+					cout << "\n";
+					SetConsoleMode(hStdin, mode);
+					cout << "Re-enter Password" << endl;
+					GetConsoleMode(hStdin, &mode);
+					SetConsoleMode(hStdin, mode & (~ENABLE_ECHO_INPUT));
+					getline(cin, re_enterPass);
+					SetConsoleMode(hStdin, mode);
+					cout << "\n";
+					if (pass == re_enterPass) {
+						hash<string> mystdhash;
+						pass = mystdhash(pass);
+						break;
+					}
+				}
+				cout << "Enter Employee Position" << endl;
+				cin >> employee_position;
+				cout << "Enter Employee Salary" << endl;
+				cin >> salary;
+				status2 = "0";
+				Employee << st.wDay << "/" << st.wMonth << "/" << st.wYear << "|" << employee_name << "|" << employee_id << "|" << employee_position << "|" << salary << "|" << status2 <<"$"<< endl;
+				Employee.close();
+				AdminFile.open("Admin.txt", ios::app);
+				AdminFile << employee_id << "|" << pass << "$" << endl;
+			}
+		}
+		else {
+			cout << "login not successfull" << endl;
+			Admin();
+		}
+	}
+}
+
+
+
+void CarService::Employee() {
+	int pos = 0;
+	string date, time, VehicleNo, Issues, status1, key;
+	fstream AdminFile;
+	AdminFile.open("Admin.txt", ios::in);
+	string userName, usern_file, password, buffer, passw_file, status;
+	usern_file = "null";
+	cout << "Enter Username: ";
+	cin >> userName;
+	cout << "Enter Password: ";
+	HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
+	DWORD mode = 0;
+	GetConsoleMode(hStdin, &mode);
+	SetConsoleMode(hStdin, mode & (~ENABLE_ECHO_INPUT));
+	cin.ignore();
+	getline(cin, password);
+	cout << password;
+	SetConsoleMode(hStdin, mode);
+	hash<string> mystdhash;
+	password = mystdhash(password);
+	buffer.erase();
+	int i = 0;
+	while (usern_file != userName)
+	{
+		usern_file.erase();
+		buffer.erase();
+		if (!getline(AdminFile, buffer))
+			break;
+		i = 0;
+		while (buffer[i] != '|')
+			usern_file += buffer[i++];
+		i++;
+
+		passw_file.erase();
+		while (buffer[i] != '$')
+			passw_file += buffer[i++];
+		if (AdminFile.eof()) {
+			break;
+		}
+	}
+
+	if (passw_file == password)
+	{
+		int i = 0;
+		fstream IssuesDetails;
+		cout << "\n";
+		cout << "Login Successfull!!!....\n";
+		IssuesDetails.open("IssuesDetails.txt", ios::in);
+		while (!IssuesDetails.eof())
+		{
+			buffer.erase();
+			pos = IssuesDetails.tellg();
+			i = 0;
+			date.erase();
+			if (!getline(IssuesDetails, buffer))
+				break;
+			while (buffer[i] != '|')
+				date += buffer[i++];
+			time.erase();
+			i++;
+			while (buffer[i] != '|')
+				time += buffer[i++];
+			VehicleNo.erase();
+			i++;
+			while (buffer[i] != '|')
+				VehicleNo += buffer[i++];
+			Issues.erase();
+			i++;
+			while (buffer[i] != '|')
+				Issues += buffer[i++];
+			status.erase();
+			i++;
+			while (buffer[i] != '$')
+				status += buffer[i++];
+			if (status == "0")
+			{
+				cout << date << "|" << time << "|" << VehicleNo << "|" << Issues << "$" << endl;
+			}
+		}
+		cout << "Enter the vehicle number to select the vehicle:";
+		cin >> key;
+		StatusUpdate(key, "1");
+		cout << "status up";
+		Employee_Status_Update(userName, "1");
+		ServiceHistory(key,userName);
+	}
+	else
+	{
+		cout << "login not successfull  ";
+		Employee();
+	}
+	
+}
+
+string CarService::Employee_search(string key)
+{
+	int flag = 0, pos = 0, i, choice;
+	string date, employee_name, employee_id, position, salary, status, buffer;
+	string PhoneNumber;
+	ifstream Employee;
+	Employee.open("Employee.txt", ios::in);
+	while (!Employee.eof())
+	{
+		buffer.erase();
+		if (!getline(Employee, buffer))
+			break;
+		pos = Employee.tellg();
+		i = 0;
+		date.erase();
+
+		while (buffer[i] != '|')
+			date += buffer[i++];
+		employee_name.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			employee_name += buffer[i++];
+		employee_id.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			employee_id += buffer[i++];
+		position.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			position += buffer[i++];
+		salary.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			salary += buffer[i++];
+		status.erase();
+		i++;
+		while (buffer[i] != '$')
+			status += buffer[i++];
+
+		if (employee_id == key)
+		{
+			Employee.close();
+			return buffer;
+		}
+	}
+	Employee.close();
+	return "NULL";
+}
+
+void CarService::Employee_Delete(string key)
+{
+	int pos = 0, i = 0;
+	string date, employee_name, employee_id, position, salary, status, buffer;
+	fstream temp("temp.txt", ios::out);
+	buffer = Employee_search(key);
+	if (buffer == "NULL") {
+		cout << "Vehicle NOT FOUND";
+	}
+	else {
+		fstream Employee;
+		Employee.open("Employee.txt", ios::in);
+		while (!Employee.eof())
+		{
+			buffer.erase();
+			if (!getline(Employee, buffer))
+				break;
+			pos = Employee.tellg();
+			i = 0;
+			date.erase();
+
+			while (buffer[i] != '|')
+				date += buffer[i++];
+			employee_name.erase();
+			i++;
+
+			while (buffer[i] != '|')
+				employee_name += buffer[i++];
+			employee_id.erase();
+			i++;
+
+			while (buffer[i] != '|')
+				employee_id += buffer[i++];
+			position.erase();
+			i++;
+
+			while (buffer[i] != '|')
+				position += buffer[i++];
+			salary.erase();
+			i++;
+
+			while (buffer[i] != '|')
+				salary += buffer[i++];
+			status.erase();
+			i++;
+			while (buffer[i] != '$')
+				status += buffer[i++];
+
+			if (employee_id == key)
+				continue;
+			else {
+				temp << buffer << endl;
+			}
+		}
+		Employee.close();
+		temp.close();
+		temp.open("temp.txt", ios::in);
+		remove("Employee.txt");
+		fstream IssuesDetails1;
+		IssuesDetails1.open("Employee.txt", ios::out);
+		string text;
+		if (IssuesDetails1.is_open()) {
+			while (!temp.eof()) {
+				buffer.erase();
+				if (!getline(temp, buffer))
+					break;
+				text += buffer + "\n";
+			}
+			IssuesDetails1 << text;
+			IssuesDetails1.close();
+			temp.close();
+		}
+		else {
+			cout << "file aint open";
+		}
+	}
+}
+
+void CarService::Employee_Status_Update(string key, string status1)
+{
+	string buffr, key1;
+	int flag = 0, pos = 0, i = 0, choice;
+	string date, employee_name, employee_id, position, salary, status, buffer;
+	buffer.erase();
+	buffer = Employee_search(key);
+	if (buffr == "NULL")
+	{
+		cout << "Employee NOT FOUND \nEnter Employee ID again :";
+		cin >> key1;
+		Employee_Status_Update(key1, status1);
+	}
+	else
+	{
+		Employee_Delete(key);
+		date.erase();
+
+		while (buffer[i] != '|')
+			date += buffer[i++];
+		employee_name.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			employee_name += buffer[i++];
+		employee_id.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			employee_id += buffer[i++];
+		position.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			position += buffer[i++];
+		salary.erase();
+		i++;
+
+		while (buffer[i] != '|')
+			salary += buffer[i++];
+		status.erase();
+		i++;
+		while (buffer[i] != '$')
+			status += buffer[i++];
+		status = status1;
+
+		fstream Employee("Employee.txt", ios::app);
+		Employee.seekp(0, ios::beg);
+		Employee << date << "|" << employee_name << "|" << employee_id << "|" << position << "|" << salary << "|" << status << "$" << endl;
+		Employee.close();
+	}
+}
+
+void CarService::AlreadyCust() {
+	int flag = 0, pos = 0, choice;
+	string VehicleNo, name, key, confirm, buffer;
+	string PhoneNumber;
+	cout << "Enter your Vehicle Number: " << endl;
+	cin >> key;
+	ifstream CustomerDetails;
+	CustomerDetails.open("CustomerDetails.txt", ios::in);
+	while (!CustomerDetails.eof())
+	{
+		buffer.erase();
+		pos = CustomerDetails.tellg();
+		if (!getline(CustomerDetails, buffer))
+			break;
+		int i = 0;
+		name.erase();
+		while (buffer[i] != '|')
+			name += buffer[i++];
+
+
+		PhoneNumber.erase();
+		i++;
+		while (buffer[i] != '|')
+			PhoneNumber += buffer[i++];
+		VehicleNo.erase();
+		i++;
+		while (buffer[i] != '$')
+			VehicleNo += buffer[i++];
+
+		if (VehicleNo == key)
+		{
+			cout << "\nFound the Vehicle Number.\n" << buffer;
+			flag = 1;
+			cout << "Confirm the vehicle details.(Y/N)" << endl;
+			cin >> confirm;
+			if (confirm == "y" || "Y") {
+				cout << "1. New Complain\n2. View Service History\n3. Previous Page\n";
+				cout << "Enter your choice: ";
+				cin >> choice;
+				switch (choice) {
+				case 1: Issues(VehicleNo);
+					break;
+				//case 2: View_ServiceHistory();
+					//break;
+				case 3: AlreadyCust();
+					break;
+
+				}
+
+			}
+			else {
+				AlreadyCust();
+			}
+
+		}
+		else {
+			cout << "\nVehicle NOT FOUND";
+			CheckIn();
+		}
+
+	}
+
+}
+
+
+
+void CarService::NewCust() {
+	string confirm;
+	ofstream CustomerFile("CustomerDetails.txt", ios::app);
+	string name;
+	string phNumber;
+	string vehicleNo;
+	cout << "Enter your name: ";
+	cin >> name;
+	cout << "Enter your Phone Number: ";
+	cin >> phNumber;
+	cout << "Enter your Vehicle Number: ";
+	cin >> vehicleNo;
+	cout << name << " " << phNumber << " " << vehicleNo << endl;
+	cout << "Do you want to Confirm?(Y/N)";
+	cin >> confirm;
+
+	if (confirm == "y" || "Y") {
+
+		CustomerFile << name << "|" << phNumber << "|" << vehicleNo << "$" << endl;
+
+		CustomerFile.close();
+
+		Issues(vehicleNo);
+	}
+	else {
+		NewCust();
+	}
+}
+void CarService::ServiceHistory(string key,string employee_ID) 
+{
+	string buffer, date, time, customerName, VehicleNo, Issues, status, amount, payment;
+	int pos = 0, i = 0;
+	fstream ServiceHistory("ServiceHistory.txt",ios::app);
+	fstream CustomerDetails;
+	CustomerDetails.open("CustomerDetails.txt", ios::in);
+	fstream IssuesDetails("IssueDetails.txt", ios::in);
+	buffer = IssuesSearch(key);
+	customerName = CustomerSearch(key);
+	if (buffer == "NULL" ||customerName=="NULL") {
+		cout << "not found" << endl;
+	}
+	else {
+		i = 0;
+		date.erase();
+		while (buffer[i] != '|')
+			date += buffer[i++];
+		time.erase();
+		i++;
+		while (buffer[i] != '|')
+			time += buffer[i++];
+		VehicleNo.erase();
+		i++;
+		while (buffer[i] != '|')
+			VehicleNo += buffer[i++];
+		Issues.erase();
+		i++;
+		while (buffer[i] != '|')
+			Issues += buffer[i++];
+		status.erase();
+		i++;
+		while (buffer[i] != '$')
+			status += buffer[i++];
+		payment = "0";
+		ServiceHistory << date << "|" << time << "|" << VehicleNo << "|" << customerName << "|" << Issues <<"|"<<employee_ID <<"|" << status << "|" << payment << "$" << endl;
+	}
+	
+
+}
+
+string CarService::CustomerSearch(string key)
 {
-    
+	int flag = 0, pos = 0, choice;
+	string VehicleNo, name, confirm, buffer;
+	string PhoneNumber;
+	ifstream CustomerDetails;
+	CustomerDetails.open("CustomerDetails.txt", ios::in);
+	while (!CustomerDetails.eof())
+	{
+		buffer.erase();
+		pos = CustomerDetails.tellg();
+		if (!getline(CustomerDetails, buffer))
+			break;
+		int i = 0;
+		name.erase();
+		while (buffer[i] != '|')
+			name += buffer[i++];
+		PhoneNumber.erase();
+		i++;
+		while (buffer[i] != '|')
+			PhoneNumber += buffer[i++];
+		VehicleNo.erase();
+		i++;
+		while (buffer[i] != '$')
+			VehicleNo += buffer[i++];
+
+		if (VehicleNo == key)
+		{
+			return name;
+		}
+	}
+	return "NULL";
+}
+
+void CarService::Issues(string vehicle_numb) {
+	string status = "0";
+	string issues, wax_wash, confirm;
+	SYSTEMTIME st;
+	GetSystemTime(&st);
+
+	ofstream CarIssues("IssuesDetails.txt", ios::app);
+	cout << "Enter the Issues in your Vehicle:";
+	cin.ignore();
+	getline(cin, issues);
+	cout << "Do you want to add wax and wash to your service?(Y/N)" << endl;
+	cin >> wax_wash;
+	if (wax_wash == "y" || "Y") {
+		issues += " wax and wash";
+	}
+	cout << issues << endl;
+	cout << "Confirm complains entered?(Y/N)";
+	cin >> confirm;
+	if (confirm == "y" || "Y") {
+
+		CarIssues << st.wDay << "/" << st.wMonth << "/" << st.wYear << "|" << st.wHour << ":" << st.wMinute << "|" << vehicle_numb << "|" << issues << "|" << status << "$" << endl;
+
+		CarIssues.close();
+	}
+	else {
+		Issues(vehicle_numb);
+	}
+
 }
 
-// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
-// Debug program: F5 or Debug > Start Debugging menu
+string CarService::IssuesSearch(string key) {
+	int flag = 0, pos = 0, i, choice;
+	string date, time, VehicleNo, Issues, status, buffer;
+	string PhoneNumber;
+	ifstream IssuesDetails;
+	IssuesDetails.open("IssuesDetails.txt", ios::in);
+	while (!IssuesDetails.eof())
+	{
+		buffer.erase();
+		pos = IssuesDetails.tellg();
+		i = 0;
+		date.erase();
+		if (!getline(IssuesDetails, buffer))
+			break;
+
+		while (buffer[i] != '|')
+			date += buffer[i++];
+		time.erase();
+		i++;
+		while (buffer[i] != '|')
+			time += buffer[i++];
+		VehicleNo.erase();
+		i++;
+		while (buffer[i] != '|')
+			VehicleNo += buffer[i++];
+		Issues.erase();
+		i++;
+		while (buffer[i] != '|')
+			Issues += buffer[i++];
+		status.erase();
+		i++;
+		while (buffer[i] != '$')
+			status += buffer[i++];
+
+		if (VehicleNo == key)
+		{
+			IssuesDetails.close();
+			return buffer;
+		}
+	}
+	IssuesDetails.close();
+	return "NULL";
+}
+
+void CarService::StatusUpdate(string key, string status1) {
+
+	string buffr, key1;
+	int flag = 0, pos = 0, i = 0, choice;
+	string date, time, VehicleNo, Issues, status;
+	buffr.erase();
+	buffr = IssuesSearch(key);
+	if (buffr == "NULL")
+	{
+		cout << "Vehicle NOT FOUND \nEnter Vehicle Number again :";
+		cin >> key1;
+		StatusUpdate(key1, status1);
+	}
+	else
+	{
+		IssuesDelete(key);
+		while (buffr[i] != '|')
+			date += buffr[i++];
+		time.erase();
+		i++;
+		while (buffr[i] != '|')
+			time += buffr[i++];
+		VehicleNo.erase();
+		i++;
+		while (buffr[i] != '|')
+			VehicleNo += buffr[i++];
+		Issues.erase();
+		i++;
+		while (buffr[i] != '|')
+			Issues += buffr[i++];
+		status.erase();
+		i++;
+		while (buffr[i] != '$')
+			status += buffr[i++];
+		status.erase();
+		status = status1;
+
+		fstream IssuesDetails("IssuesDetails.txt", ios::app);
+		IssuesDetails.seekp(0, ios::beg);
+		IssuesDetails << date << "|" << time << "|" << VehicleNo << "|" << Issues << "|" << status << "$" << endl;
+		IssuesDetails.close();
+	}
+}
+
+
 
-// Tips for Getting Started: 
-//   1. Use the Solution Explorer window to add/manage files
-//   2. Use the Team Explorer window to connect to source control
-//   3. Use the Output window to see build output and other messages
-//   4. Use the Error List window to view errors
-//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
-//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file
+void CarService::IssuesDelete(string key) {
+
+	int pos = 0, i = 0;
+	string date, time, VehicleNo, Issues, status, buffer;
+	fstream temp("temp.txt", ios::out);
+	buffer = IssuesSearch(key);
+	if (buffer == "NULL") {
+		cout << "Vehicle NOT FOUND";
+	}
+	else {
+		fstream IssuesDetails;
+		IssuesDetails.open("IssuesDetails.txt", ios::in);
+		while (!IssuesDetails.eof())
+		{
+			buffer.erase();
+			if (!getline(IssuesDetails, buffer))
+				break;
+			pos = IssuesDetails.tellg();
+			i = 0;
+			date.erase();
+
+			while (buffer[i] != '|')
+				date += buffer[i++];
+			time.erase();
+			i++;
+
+			while (buffer[i] != '|')
+				time += buffer[i++];
+			VehicleNo.erase();
+			i++;
+
+			while (buffer[i] != '|')
+				VehicleNo += buffer[i++];
+			Issues.erase();
+			i++;
+
+			while (buffer[i] != '|')
+				Issues += buffer[i++];
+			status.erase();
+			i++;
+
+			while (buffer[i] != '$')
+				status += buffer[i++];
+
+			if (VehicleNo == key)
+				continue;
+			else {
+				temp << buffer << endl;
+			}
+		}
+		IssuesDetails.close();
+		temp.close();
+		temp.open("temp.txt", ios::in);
+		remove("IssuesDetails.txt");
+		fstream IssuesDetails1;
+		IssuesDetails1.open("IssuesDetails.txt", ios::out);
+		string text;
+		if (IssuesDetails1.is_open()) {
+			while (!temp.eof()) {
+				buffer.erase();
+				if (!getline(temp, buffer))
+					break;
+				text += buffer + "\n";
+			}
+			IssuesDetails1 << text;
+			IssuesDetails1.close();
+			temp.close();
+		}
+		else {
+			cout << "file aint open";
+		}
+	}
+}
+
+
+int main()
+{
+	CarService cs;
+	cs.HomePage();
+	//cs.IssuesDelete("ka19");
+	//cout<<cs.IssuesSearch("ka19");
+	//cs.StatusUpdate("ka19", "1");
+	//cs.Employee_Status_Update("tejus11", "1");
+}
\ No newline at end of file