#include <bits/stdc++.h>
#define MAXSIZE 50000
#define INF 100000

using namespace std;

vector<int> adj[MAXSIZE]; //Adjacency List

bool visited[MAXSIZE]; //Checks if a node is visited or not in BFS and DFS
bool isConnected = true; //Checks if the input graph is connected or not

int dist[MAXSIZE], discover[MAXSIZE], finish[MAXSIZE]; //Distance for BFS, in time and out time for DFS
int t = 1; //Time used for DFS
int u, v, i, j, k, N = 0;

stack<int> st; //Stack for TopSort

multiset<pair<int, int>> s; //collection of pairs to sort by distance
pair<int, int> current; //pointer variable to a position in the multiset

void BFS()
{
	queue<int> q; //queue for BFS
	q.push(1); //pushing the source
	dist[1] = 0; //assign the distance of source as 0
	visited[1] = 1; //marking as visited
	
	while(!q.empty())
	{
	u = q.front();
	q.pop();

	for(i=0; i < adj[u].size(); i++)
	{
	v = adj[u][i]; //Adjacent vertex

	if(!visited[v]) //if not visited, update the distance and push onto queue
	{
	visited[v] = 1;
	dist[v] = dist[u]+1;
	q.push(v);
	}

	}

	}
	
	for(i = 1; i <= N; i++)
	{
	s.insert(make_pair(dist[i], i)); //for sorted distance
	}
	
	cout << "BFS results:" << endl;
	
	//prints BFS results and checks if the graph is connected
	while(!s.empty())
	{
	current = *s.begin(); 
	s.erase(s.begin());

	i = current.second; 
	j = current.first;

	if(j == INF) //if any infinite value, graph is not connected
	{
	cout << i << " INF" << endl;
	isConnected = false;
	}
	else
	{
	cout << i << " " << j << endl;
	}

	}

	//marks blocks of memory as visited
	memset(visited, 0, sizeof visited);
}


void dfsSearch(int s)
{
	visited[s] = 1; //marking it visited
	discover[s] = t++; //assigning and incrementing time

	int i, v;

	for(i = 0; i < adj[s].size(); i++)
	{
	v = adj[s][i];

	if(!visited[v]) //if vertex is not visited then visit, else continue
	{
	dfsSearch(v);
	}

	}

	st.push(s); //pushed onto stack for TopSort if it was called
	finish[s] = t++; //out time
}

void DFS()
{

	for(i = 1; i <= N; i++)
	{
	if(visited[i]) //if visited continue, else visit it with DFS
	{
	continue;
	}

	dfsSearch(i); //embedded function to actually perform DFS
	}

	for(i=1;i<=N;i++)
	{
	s.insert(make_pair(discover[i], i)); //minheap for sorted discovery time
	}
	
	cout << "DFS results:" << endl;

	while(!s.empty()) //Prints DFS results as long as the multiset is not empty
	{
	current = *s.begin(); //duplicates the pointer to first object in the multiset
	s.erase(s.begin()); //erases the first object in multiset

	i = current.second;
	cout << i << " " << discover[i] << " " << finish[i] << endl; //prints discover times and finish times
	}

}

void TopSort()
{
	//call DFS so we can have a sorted stack to print
	for(i=1;i<=N;i++)
	{
	if(visited[i])
	{
	continue;
	}

	dfsSearch(i);
	}

	cout<<"Topological Sort results:"<<endl;

	//print sorted results from DFS
	while(!st.empty())
	{
	i = st.top(); 
	st.pop();

	cout << i << endl;
	}

	//declare blocks of memory as visited
	memset(visited, 0, sizeof visited);

}


int main()
{
	string str, num, input;
	int selection, connectedChoice = 0;


	//get to input any file, more freedom than declaring file in command line
	cout << "Enter the exact name of your input file [case sensitive]: ";
	cin >> input;
	
	ifstream inputFile(input); //Read the input file

	//checks if the ifstream cannot open
	if(inputFile.fail())
	{
	cout << endl << "No input files matching that name. Terminating..." << endl;
	return 0;
	}

	//Read until the end of file
	while(!inputFile.eof())
	{
	getline(inputFile, str); //read the current line

	if(str == "")
	{
	continue;
	}

	if(!isdigit(str[0])) //checks to see if the first item in a line is a digit or not
	{
	cout << "Invalid file format. You have a line beginning with a non-digit. Terminating..." << endl;
	return 0;
	}

	stringstream ss;
	ss << str; //convert the line to stream of strings
	
	ss >> num; //read the line num
	stringstream(num) >> u;
	
	while(!ss.eof())
	{
	ss>>num;
	if(stringstream(num) >> v)
	{
	adj[u].push_back(v); //read the adjacent vertices
	}
	}

	N++; //calculate the number of vertices
	sort(adj[u].begin(), adj[u].end()); //sort the adjacency list in case it is not sorted
	}
	
	//creates arbitrary values for distance, will check later if INF remain
	for(i = 1; i <= N; i++)
	{
	dist[i] = INF;
	}

	cout << endl << "Valid Input file loaded!" << endl;

	while(selection != 4)
	{
	cout << "************************************************" << endl;
	cout << "What type of analysis would you like to perform?" << endl;
	cout << "1: Breadth-First Search" << endl;
	cout << "2: Depth-First Search" << endl;
	cout << "3: Topological Sort" << endl;
	cout << "4: Quit" << endl;
	cout << "************************************************" << endl;
	
	//read user input and execute selection
	cin >> selection;

	switch(selection)
	{
	case 1:
	cout << endl;
	BFS();
	cout << endl;
	cout << "Would you like to know if the graph is connected?" << endl;
	cout << "1: Yes" << endl;
	cout << "Any other key: No" << endl;
	cin >> connectedChoice;

	switch(connectedChoice)
	{
	case 1:
	if(!isConnected)
	{
	cout << "The graph is not connected." << endl << endl;
	}
	else
	{
	cout << "The graph is connected!" << endl << endl;
	}
	break;
	default:
	break;
	}
	break;
	case 2:
	cout << endl;
	DFS();
	cout << endl;
	break;
	case 3:
	cout << endl;
	TopSort();
	cout << endl;
	break;
	case 4:
	return 0;
	default:
	cout << endl << "Invalid selection." << endl; //loops the selection prompt until a valid selection is input.
	}

	}
	
}

#include <iostream>
int main(){
    const char* const hello = "Hello, world!";
    
    const char* bruh = hello;
    
    char* const yeet = hello;
    
    std::cout << bruh << std::endl;
    
    std::cout << yeet << std::endl;
    
    return 0;
}

/*
    Place your bets!
    
    Will the program:
    a.) Print "Hello, world!" twice?
    b.) Compile error on line 5 (bruh initialize line) because the pointer gets implicit cast to non-const?
    c.) Compile error on line 7 (yeet initialize line) because the char gets implicit cast to non-const?
    d.) Both b and c?
    e.) Compile error line 11 (print yeet) because the pointer is constant and can't be incremented
    f.) Print "Hello, world!" then print the pointer address in hexadecimal
    g.) Both b and e?
    h.) Both c and e?
    i.) B, c, and e?
    
*/

// The answer is in this base 64 string:
// 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

#include "goat.h" //include goat.h

void Goat::setBreed(string breed) {
   this->breed = breed;
}
void Goat::setWeight(float weight) {
   this->weight = weight;
}
void Goat::setName(string name) {
   this->name = name;
}
void Goat::setGender(char gender) {
   this->gender = gender;
}
void Goat::setSpayed(bool goatIsSpayed) {
   this->goatIsSpayed = goatIsSpayed;
}
void Goat::setRegistrationID(string registrationID) {
   this->registrationID = registrationID;
}
void Goat::setColor(string color) {
   this->color = color;
}
void Goat::setOtherComments(string otherComments) {
   this->otherComments = otherComments;
}
string Goat::getBreed() {
   return breed;
}
float Goat::getWeight() {
   return weight;
}
string Goat::getName() {
   return name;
}
char Goat::getGender() {
   return gender;
}
bool Goat::getSpayed() {
   return goatIsSpayed;
}
string Goat::getRegistrationID() {
   return registrationID;
}
string Goat::getColor() {
   return color;
}
string Goat::getOtherComments() {
   return otherComments;
}

Goat::Goat() {
   breed = "";
   weight = 0.0;
   name = "";
   gender = '\0';
   goatIsSpayed = false;
   registrationID = "";
   color = "";
   otherComments = "";
}

Goat::Goat(string goatBreed, float goatWeight, string goatName, char goatGender, bool goatSpayedStatus, string goatRegistrationID, string goatColor, string goatOtherComments) {
  
   breed = goatBreed;
   weight = goatWeight;
   name = goatName;
   gender = goatGender;
   goatIsSpayed = goatSpayedStatus;
   registrationID = goatRegistrationID;
   color = goatColor;
   otherComments = goatOtherComments;
}

Goat::~Goat() {
   cout << "goat destroyed" << endl;
}

void Goat::printinfo() {  
   cout << "Breed: " << breed << endl << "weight: " << weight << endl << "Name: " << name << endl << "Gender: " << gender << endl << "is Spayed: ";
   if(goatIsSpayed) {  //here I do a logical test on boolean goatIsSpayed. if true cout << true else cout << false
      cout << "True";
   } else {
      cout << "False";
   }
   cout << endl << "Registration ID: " << registrationID << endl << "Color Description: " << color << endl << "Other Comments: " << otherComments << endl << endl;
}

//Constant prefix notation solver using bruh
//Could make it infix or postfix later
#include<string>
#include<vector>
#include<iostream>

std::vector<long double> bruhBuff;

long double operator ""bruh(long double a){
    bruhBuff.push_back(a);
    return a;
}

long double operator ""bruh(const char op){
    if(bruhBuff.size() < 2) throw "Bruh weak";
    
    long double b = bruhBuff.back();
    bruhBuff.pop_back();
    long double a = bruhBuff.back();
    bruhBuff.pop_back();
    
    
    switch(op){
        case (int)('+'):
            return a + b;
        case (int)('-'):
            return a - b;
        case (int)('*'):
            return a * b;
        case (int)('/'):
            return a / b;
    }
    return 69l;
}
 
int main(){
    1.0bruh;
    2.0bruh;
    std::cout << '+'bruh << std::endl;
    
    return 0;
}

#include<iostream>
#include<fstream>
#include<vector>
#include<stdio.h> 
#include<time.h>
#include<stdlib.h>
using namespace std;

//data storage for parking lot info, admin, managers, users, and tickets
struct Parking_Lot_info{
	int total_Space;
	int regular;
	int motorcycle;
	int disability;
};
struct Admin{
	string name;
	string id;
	string password;
};
struct Manager{
	string name;
	string id;
	string password;
}; 
struct User{
	string id;
	string name;
	string password;
	string makeModel1;
	string makeModel2;
	string year;
	string plate;
};
struct Ticket{
	string ticket_Number;
	string ticket_Amount;
	string ticket_Issued;
	string ticket_Status;
	string reason; 
	string plate;
}; 


//prototypes
vector<Admin>admin_Vector;
vector<Admin>::iterator admin_it;
vector<Manager>manager_Vector;
vector<Manager>::iterator manager_it;
vector<User>user_Vector;
vector<User>::iterator user_it;
vector<Ticket>ticket_Vector;
vector<Ticket>::iterator ticket_it;
void Initial_Admin_Vector(char admin_People_File_Name[]);
void Initial_Manager_Vector(char management_People_File_Name[]);
void Initial_User_Vector(char user_People_File_Name[]);
void Initial_Ticket_Vector();
void Login_System();
void Checking_Id_Password();
void Admin_Menu();
void Management_Menu();
void User_Menu();
void Add_Admin();
void Remove_Admin();
void Display_All_Admin();
void Search_Admin();
void Change_Password_Admin();
void Add_Manager();
void Remove_Manager();
void Display_All_Manager();
void Search_Manager();
void Add_User();
void Display_All_User();
void Remove_User();
void Search_User();
void Change_Password_User();
void Change_Vehicle_Info();
void Display_All_Vehicle();
void Add_Ticket();
void Display_All_Ticket();
void Search_Ticket();
void Remove_Ticket();
void User_Display_Ticket();
void Pay_Ticket();
void Change_Password_Manager();
void Store_Admin_Data(char admin_People_File_Name[]);
void Store_Manager_Data(char manager_People_File_Name[]);
void Store_User_Data(char user_People_File_Name[]);
void Store_Ticket_Data();

void Initial_Admin_Vector(char admin_People_File_Name[]){
	ifstream in;
	Admin a;
	in.open(admin_People_File_Name);
	while(getline(in,a.name,',')){
		getline(in,a.id,',');
		getline(in,a.password);
		admin_Vector.push_back(a);
	}
	in.close();
}

void Initial_Manager_Vector(char management_People_File_Name[]){
	ifstream in;
	Manager m;
	in.open(management_People_File_Name);
	while(getline(in,m.name,',')){
		getline(in,m.id,',');
		getline(in,m.password);
		manager_Vector.push_back(m);
	}
	in.close();
}
void Initial_User_Vector(char user_People_File_Name[]){
	ifstream in;
	User u;
	in.open(user_People_File_Name);
	while(getline(in,u.name,',')){
		getline(in,u.id,',');
		getline(in,u.password,',');
		getline(in,u.makeModel1,',');
		getline(in,u.makeModel2,',');
		getline(in,u.year,',');
		getline(in,u.plate);
		user_Vector.push_back(u);
	}
	in.close();
}
void Initial_Ticket_Vector(){
	ifstream in;
	Ticket t;
	in.open("ticket.csv");
	while(getline(in,t.ticket_Number,',')){
		getline(in,t.ticket_Amount,',');
		getline(in,t.ticket_Issued,',');
		getline(in,t.ticket_Status,',');
		getline(in,t.reason,',');
		getline(in,t.plate);
		ticket_Vector.push_back(t);
	}
	in.close();
}



void Login_System(){
	int first_Option;
	bool flag = true;
	do{
		cout << "Type in 1 to Log in to the system." << endl;
		cout << "Type in 2 to register to the system." << endl;
		cout << "Type in 3 to exit the system." << endl;
		cout << "Option: ";
		cin >> first_Option;
		switch(first_Option){
		case 1:
			Checking_Id_Password();
			flag = false;
			break;
		case 2:
			Add_User();
			break;
		case 3:
			flag = false;
			break;		
		}
	}while(flag);
}
void Checking_Id_Password(){
	string Id1;
	string Password1;
	bool flag = true;
	do{
		cout << "Enter id: ";
		cin >> Id1;
		cout << "Enter password: ";
		cin >> Password1;
		for(admin_it = admin_Vector.begin(); admin_it != admin_Vector.end(); admin_it++){
			if(Id1 == admin_it->id && Password1 == admin_it->password){
				cout << endl;
				Admin_Menu();
				flag = false;
				break;
			}
		}
		for(manager_it = manager_Vector.begin(); manager_it != manager_Vector.end(); manager_it++){
			if(Id1 == manager_it->id && Password1 == manager_it->password){
				cout << endl;
				Management_Menu();
				flag = false;
				break;
			}
		}
		for(user_it = user_Vector.begin(); user_it != user_Vector.end(); user_it++){
			if(Id1 == user_it->id && Password1 == user_it->password){
				cout << endl;
				User_Menu();
				flag = false;
				break;
			}
		}
		if(flag){
			cout << "ID or Password is wrong. Enter your credentials again."<<endl<<endl;
		}
	}while(flag);
}

void Admin_Menu(){
	int Admin_Option;
	bool flag = true;
	do{
		cout << "Select the following option for a particular task." << endl;
		cout << "Select 1 to add new administrative employee." << endl;
		cout << "Select 2 to remove an administrative employee." << endl;
		cout << "Select 3 to view all administrative employee information." << endl;
		cout << "Select 4 to search information of a specific administrative employee." << endl;
		cout << "Select 5 to change password." << endl;
		cout << "Select 6 to add new management employee." << endl;
		cout << "Select 7 to remove a management employee." << endl;
		cout << "Select 8 to view all management employee information." << endl;
		cout << "Select 9 to search information of a specific management employee." << endl;
		cout << "Select 10 to remove an user." << endl;
		cout << "Select 11 to view all user information." << endl;
		cout << "Select 12 to search information of a specific user." << endl;
		cout << "Select 15 to Log out." << endl;
		cout << "Option: ";
		cin >> Admin_Option;
		switch(Admin_Option){   //switch to manage the option selection
			case 1:
				Add_Admin();
				break;
			case 2:
				Remove_Admin();
				break;
			case 3:
				Display_All_Admin();
				break;
			case 4:
				Search_Admin();
				break;
			case 5:
				Change_Password_Admin();
				break;
			case 6:
				Add_Manager();
				break;
			case 7:
				Remove_Manager();
				break;
			case 8:
				Display_All_Manager();
				break;
			case 9:
				Search_Manager();
				break;
			case 10:
				Remove_User();
				break;
			case 11:
				Display_All_User();
				break;
			case 12:
				Search_User();
				break; 
			case 15:
				flag = false;
				cout << endl;
				Login_System();
				break;
		}
	}while(flag);
}
void Management_Menu(){
	int Manager_Option;
	bool flag = true;
	do{
		cout << "Select the following option for a particular task." << endl;
		cout << "Select 1 to remove an user." << endl;
		cout << "Select 2 to view all user information." << endl;
		cout << "Select 3 to search information of a specific user." << endl;
		cout << "Select 4 to issue a ticket." << endl;
		cout << "Select 5 to view all the ticket information." << endl;
		cout << "Select 6 to view a specific ticket information in details." << endl;
		cout << "Select 7 to remove a specific ticket information." << endl;
		cout << "Select 8 to change password." << endl;
		cout << "Select 9 to Log out." << endl;
		cout << "Option: ";
		cin >> Manager_Option;
		switch(Manager_Option){ //ditto
			case 1:
				Remove_User();
				break;
			case 2:
				Display_All_User();
				break;
			case 3:
				Search_User();
				break;
			case 4:
				Add_Ticket();
				break;
			case 5:
				Display_All_Ticket();
				break;
			case 6:
				Search_Ticket();
				break;
			case 7:
				Remove_Ticket();
				break;
			case 8:
				Change_Password_Manager();
				break;
			case 9:
				flag = false;
				cout << endl;
				Login_System();
				break;
		}
	}while(flag);
}
void User_Menu(){
	int User_Option;
	bool flag = true;
	do{
		cout << "Select the following option for a particular task." << endl;
		cout << "Select 1 to change password." << endl;
		cout << "Select 2 to change vehicle information." << endl;
		cout << "Select 3 to view vehicle information." << endl;
		cout << "Select 4 to view all ticket information." << endl;
		cout << "Select 5 to pay a ticket amount." << endl;
		cout << "Select 8 to Log out." << endl;
		cout << "Option: ";
		cin >> User_Option;
		switch(User_Option){
			case 1:
				Change_Password_User();
				break;
			case 2:
				Change_Vehicle_Info();
				break;
			case 3:
				Display_All_Vehicle();
				break;
			case 4:
				User_Display_Ticket();
				break;
			case 5:
				Pay_Ticket();
				break;
			case 8:
				flag = false;
				cout << endl;
				Login_System();
				break;	
		}
	}while(flag);
}
void Add_Admin(){
	string add_name;
	string add_id;
	string add_password;
	Admin a;
	srand((unsigned)time(NULL));
	bool flag = true;
	char temp1[100];
	int temp2;	
	
	cout << "Enter administrative employee name: ";
	cin.ignore();
	getline(cin,add_name);
	cout << "Auto generated id for this administrative employee account is: ";
	do{
		temp2 = rand()%400 + 101;
		sprintf(temp1, "%d", temp2);
		add_id = temp1;
		for(admin_it = admin_Vector.begin(); admin_it != admin_Vector.end(); admin_it++){
			if(add_id == admin_it->id){
				break;
			}
		}
		if(admin_it == admin_Vector.end()){
			flag = false;
		}
	}while(flag);
	cout << add_id << endl;
	cout << "Set a password for this administrative employee account: ";
	getline(cin,add_password);
	cout << "administrative employee entry is complete." << endl << endl;
	
	a.name = add_name;
	a.id = add_id;
	a.password = add_password;
	admin_Vector.push_back(a); 
}
void Remove_Admin(){
	bool flag = true;
	string remove_id;
	cout << "Enter the administrative employee's Id: ";
	cin >> remove_id;
	for(admin_it = admin_Vector.begin(); admin_it != admin_Vector.end(); admin_it++){
		if(admin_it->id == remove_id){
			admin_Vector.erase(admin_it);
			cout << "Administrative employee is removed." <<endl <<endl;
			flag = false;
			break;
		}
	}
	if(flag){
		cout << "Fail to remove the administrative employee's information!" << endl <<endl;
	}
}
void Display_All_Admin(){
	cout << "All Administrative Employee Information" << endl;
	cout << "---------------------------------------" << endl;
	cout << "             Name                ID" << endl;
	cout << "-----------------------------------" << endl;
	for(admin_it = admin_Vector.begin(); admin_it != admin_Vector.end(); admin_it++){
		cout << admin_it->name << "\t" << "\t" << "\t";
		cout << admin_it->id << endl;
	}
	cout <<endl << endl;
}
void Search_Admin(){
	bool flag = true;
	string search_id;
	cout << "Enter the administrative employee's id: ";
	cin >> search_id;
	cout << "             Name                ID" << endl;
	cout << "-----------------------------------" << endl;		
	for(admin_it = admin_Vector.begin(); admin_it != admin_Vector.end(); admin_it++){
		if(admin_it->id == search_id){
			cout << admin_it->name << "\t" << "\t" << "\t";
			cout << admin_it->id << endl << endl;
			flag = false;
			break;
		}
	}
	if(flag){
		cout << "Can't find this administrative employee's information!" << endl << endl;
	}
	cout <<endl << endl;
}
void Change_Password_Admin(){
	string new_password;
	cout << "Enter a new password: ";
	cin >> new_password;
	admin_it->password = new_password;
	cout << "You have changed your password successfully!" <<endl;
	cout << endl;
}
void Add_Manager(){
	string add_name;
	string add_id;
	string add_password;
	Manager m;
	srand((unsigned)time(NULL));
	bool flag = true;
	char temp1[100];
	int temp2;	
	
	cout << "Enter management employee name: ";
	cin.ignore();
	getline(cin,add_name);
	cout << "Auto generated id for this management employee account is: ";
	do{
		temp2 = rand()%500 + 501;
		sprintf(temp1, "%d", temp2);
		//itoa(temp2,temp1,10);
		add_id = temp1;
		for(manager_it = manager_Vector.begin(); manager_it != manager_Vector.end(); manager_it++){
			if(add_id == manager_it->id){
				break;
			}
		}
		if(manager_it == manager_Vector.end()){
			flag = false;
		}
	}while(flag);
	cout << add_id << endl;
	cout << "Set a password for this management employee account: ";
	getline(cin,add_password);
	cout << "Management employee entry is complete." << endl << endl;
	
	m.name = add_name;
	m.id = add_id;
	m.password = add_password;
	manager_Vector.push_back(m); 
}
void Remove_Manager(){
	bool flag = true;
	string remove_id;
	cout << "Enter the management employee's id: ";
	cin >> remove_id;
	for(manager_it = manager_Vector.begin(); manager_it != manager_Vector.end(); manager_it++){
		if(manager_it->id == remove_id){
			manager_Vector.erase(manager_it);
			cout << "Management employee is removed." <<endl <<endl;
			flag = false;
			break;
		}
	}
	if(flag){
		cout << "Fail to remove the management employee's information!" << endl <<endl;
	}
}
void Display_All_Manager(){
	cout << "------All Employee Information-----" << endl;
	cout << "-----------------------------------" << endl;
	cout << "             Name                ID" << endl;
	cout << "-----------------------------------" << endl;
	for(manager_it = manager_Vector.begin(); manager_it != manager_Vector.end(); manager_it++){
		cout << manager_it->name << "\t" << "\t" << "\t";
		cout << manager_it->id << endl;
	}
	cout <<endl << endl;
}
void Search_Manager(){
	bool flag = true;
	string search_id;
	cout << "Enter the management employee's id: ";
	cin >> search_id;
	cout << "             Name                ID" << endl;
	cout << "-----------------------------------" << endl;		
	for(manager_it = manager_Vector.begin(); manager_it != manager_Vector.end(); manager_it++){
		if(manager_it->id == search_id){
			cout << manager_it->name << "\t" << "\t" << "\t";
			cout << manager_it->id << endl << endl;
			flag = false;
			break;
		}
	}
	if(flag){
		cout << "Can't find this management employee's information!" << endl << endl;
	}
	cout << endl << endl;
}
void Add_User(){
	string add_name;
	string add_id;
	string add_password;
	string add_makeModel1;
	string add_makeModel2;
	string add_year;
	string add_plate;
	User u;
	bool flag = true;
	
	cout << "Enter name: ";
	cin.ignore();
	getline(cin,add_name);
	do{
		cout << "Enter id: ";	
		//cin.ignore();
		getline(cin,add_id);
		for(user_it = user_Vector.begin(); user_it != user_Vector.end(); user_it++){
			if(add_id == user_it->id){
				cout << "This id is already in use! Please Enter again!" << endl;
				break;
			}
		}
		if(user_it == user_Vector.end()){
			flag = false;
		}
	}while(flag); 
	cout << "Enter password: ";
	//cin.ignore();
	getline(cin,add_password);
	cout << "Now enter your vehicle information..." << endl;
	cout << "Enter vehicle make: ";
	//cin.ignore();
	getline(cin,add_makeModel1);
	cout << "Enter vehicle model: ";
	//cin.ignore();
	getline(cin,add_makeModel2);
	cout << "Enter vehicle year: ";
	//cin.ignore();
	getline(cin,add_year);
	cout << "Enter vehicle plate number: ";
	//cin.ignore();
	getline(cin,add_plate);
	cout << "Registration is complete" << endl << endl;
	
	u.name = add_name;
	u.id = add_id;
	u.password = add_password;
	u.makeModel1 = add_makeModel1;
	u.makeModel2 = add_makeModel2;
	u.year = add_year;
	u.plate = add_plate;
	user_Vector.push_back(u); 	
}
void Remove_User(){
	bool flag = true;
	string remove_id;
	cout << "Enter the user's id: ";
	cin >> remove_id;
	for(user_it = user_Vector.begin(); user_it != user_Vector.end(); user_it++){
		if(user_it->id == remove_id){
			user_Vector.erase(user_it);
			cout << "User is removed." <<endl <<endl;
			flag = false;
			break;
		}
	}
	if(flag){
		cout << "Fail to remove the user's information!" << endl <<endl;
	}
}
void Display_All_User(){
	cout << "-----------------------------------------------------All User Information-------------------------------------------------------" << endl;
	cout << "--------------------------------------------------------------------------------------------------------------------------------" << endl;
	cout << "	Name                          ID               Make               Model                 Year           Plate Number" << endl;
	cout << "--------------------------------------------------------------------------------------------------------------------------------" << endl;
	for(user_it = user_Vector.begin(); user_it != user_Vector.end(); user_it++){
		cout << user_it->name << "\t" << "\t" << "\t";
		cout << user_it->id << "\t" << "\t";
		cout << user_it->makeModel1 << "\t"<< "\t";
		cout << user_it->makeModel2 << "\t" << "\t"<< "\t";
		cout << user_it->year << "\t" << "\t";
		cout << user_it->plate << endl;
	}
	cout <<endl << endl;
}
void Search_User(){
	bool flag = true;
	string search_id;
	cout << "Enter the user's id: ";
	cin >> search_id;
	cout << "	Name                          ID               Make               Model                 Year           Plate Number" << endl;
	cout << "--------------------------------------------------------------------------------------------------------------------------------" << endl;		
	for(user_it = user_Vector.begin(); user_it != user_Vector.end(); user_it++){
		if(user_it->id == search_id){
			cout << user_it->name << "\t" << "\t" << "\t";
			cout << user_it->id << "\t" << "\t";
			cout << user_it->makeModel1 << "\t"<< "\t";
			cout << user_it->makeModel2 << "\t" << "\t"<< "\t";
			cout << user_it->year << "\t" << "\t";
			cout << user_it->plate << endl;
			flag = false;
			break;
		}
	}
	if(flag){
		cout << "Can't find this user's information!" << endl << endl;
	}
	cout << endl << endl;
}
void Change_Password_User(){
	string new_password;
	cout << "Enter a new password: ";
	cin >> new_password;
	user_it->password = new_password;
	cout << "You have changed your password successfully!" <<endl;
	cout << endl;
}
void Change_Vehicle_Info(){
	string new_MakeModel1;
	string new_MakeModel2;
	string new_Year;
	string new_Plate;
	cout << "Enter the new vehicle make: ";
	cin.ignore();
	getline(cin,new_MakeModel1);
	cout << "Enter the new vehicle model: ";
	//cin.ignore();
	getline(cin,new_MakeModel2);
	cout << "Enter the new vehicle year: ";
	//cin.ignore();
	getline(cin,new_Year);
	cout << "Enter the new vehicle plate number: ";
	//cin.ignore();
	getline(cin,new_Plate);
	user_it->makeModel1 = new_MakeModel1;
	user_it->makeModel2 = new_MakeModel2;
	user_it->year = new_Year;
	user_it->plate = new_Plate;
	cout << "You have changed your vehicle information successfully!" <<endl << endl;
}
void Display_All_Vehicle(){
	cout << endl;
	cout << "Vehicle make: " << user_it->makeModel1 << endl;
	cout << "Vehicle model: " << user_it->makeModel2 << endl;
	cout << "Vehicle year: " << user_it->year << endl;
	cout << "Vehicle plate number: " << user_it->plate << endl << endl;
}
void Add_Ticket(){
	string add_ticket_number;
	string add_ticket_amount;
	string add_Reason;
	string add_plate;
	Ticket t;
	srand((unsigned)time(NULL));
	bool flag = true;
	char temp1[100];
	int temp2;	
	string ticketIssued;
	string ticketStat;
	
	cout << "Auto generated ticket number is: ";
	do{
		temp2 = rand()%49000 + 1001;
		sprintf(temp1, "%d", temp2);
		//itoa(temp2,temp1,10);
		add_ticket_number = temp1;
		for(ticket_it = ticket_Vector.begin(); ticket_it != ticket_Vector.end(); ticket_it++){
			if(add_ticket_number == ticket_it->ticket_Number){
				break;
			}
		}
		if(ticket_it == ticket_Vector.end()){
			flag = false;
		}
	}while(flag);
	cout << add_ticket_number << endl;
	cout << "Enter ticket amount: ";
	cin.ignore();
	getline(cin,add_ticket_amount);
	cout << "Reason of ticket: ";
	getline(cin,add_Reason);
	cout << "Enter vehicle plate number: ";
	getline(cin,add_plate);
	cout << "Ticket has been recorded successfully."<<endl<<endl;
	ticketIssued = manager_it->id;
	ticketStat = "Unpaid";
	
	t.ticket_Number = add_ticket_number;
	t.ticket_Amount = add_ticket_amount;
	t.ticket_Issued = ticketIssued;
	t.ticket_Status = ticketStat;
	t.reason = add_Reason;
	t.plate = add_plate;
	ticket_Vector.push_back(t);
}
void Display_All_Ticket(){
	cout << "Ticket number     Ticket amount     Issued by     Ticket Status     Reason" << endl;
	cout << "--------------------------------------------------------------------------" << endl;
	for(ticket_it = ticket_Vector.begin(); ticket_it != ticket_Vector.end(); ticket_it++){
		cout << "\t" << ticket_it->ticket_Number << "\t" << "\t";
		cout << "$" << ticket_it->ticket_Amount << "\t" << "\t";
		cout << ticket_it->ticket_Issued << "\t"<< "\t";
		cout << ticket_it->ticket_Status << "\t"<< "\t";
		cout << ticket_it->reason << endl;
	}
	cout <<endl << endl;
}
void Search_Ticket(){
	bool flag = true;
	string search_number;
	cout << "Enter the ticket number: ";
	cin.ignore();
	getline(cin,search_number);
	cout << "Ticket number     Ticket amount     Issued by     Ticket Status     Reason" << endl;
	cout << "--------------------------------------------------------------------------" << endl;
	for(ticket_it = ticket_Vector.begin(); ticket_it != ticket_Vector.end(); ticket_it++){
		if(ticket_it->ticket_Number == search_number){
			cout << "\t" << ticket_it->ticket_Number << "\t" << "\t";
			cout << "$" << ticket_it->ticket_Amount << "\t" << "\t";
			cout << ticket_it->ticket_Issued << "\t"<< "\t";
			cout << ticket_it->ticket_Status << "\t"<< "\t";
			cout << ticket_it->reason << endl;
		}
	}
	cout <<endl << endl;
}
void Remove_Ticket(){
	bool flag = true;
	string remove_number;
	cout << "Enter the ticket number: ";
	cin.ignore();
	getline(cin,remove_number);
	for(ticket_it = ticket_Vector.begin(); ticket_it != ticket_Vector.end(); ticket_it++){
		if(ticket_it->ticket_Number == remove_number){
			ticket_Vector.erase(ticket_it);
			cout << endl;
			cout << "Ticket is removed." <<endl <<endl;
			flag = false;
			break;
		}
	}
	if(flag){
		cout << "Fail to remove the ticket!" << endl <<endl;
	}
}
void Change_Password_Manager(){
	string new_password;
	cout << "Enter a new password: ";
	cin >> new_password;
	manager_it->password = new_password;
	cout << "You have changed your password successfully!" <<endl;
	cout << endl;
}
void User_Display_Ticket(){
	cout << "Ticket number     Ticket amount     Issued by     Ticket Status     Reason" << endl;
	cout << "--------------------------------------------------------------------------" << endl;
	for(ticket_it = ticket_Vector.begin(); ticket_it != ticket_Vector.end(); ticket_it++){
		if(user_it->plate == ticket_it->plate){
			cout << "\t" << ticket_it->ticket_Number << "\t" << "\t";
			cout << "$" << ticket_it->ticket_Amount << "\t" << "\t";
			cout << ticket_it->ticket_Issued << "\t"<< "\t";
			cout << ticket_it->ticket_Status << "\t"<< "\t";
			cout << ticket_it->reason << endl;
			break;
		}
	}
	cout <<endl << endl;
}
void Pay_Ticket(){
	string YorN;
	cout << "Do you want to pay $" << ticket_it->ticket_Amount << " right now? (Type in Yes or No):";
	cin >> YorN;
	if(YorN == "Yes" || YorN == "YES" || YorN == "yes"){
		for(ticket_it = ticket_Vector.begin(); ticket_it != ticket_Vector.end(); ticket_it++){
			if(user_it->plate == ticket_it->plate){
				ticket_it->ticket_Amount = "0";
				ticket_it->ticket_Status = "Paid";
				cout << "The ticket amount is paid off." << endl << endl;
				break;
			}
		}
	}
	else if(YorN == "No" || YorN == "NO" || YorN == "no"){
		cout << endl << endl;
	}
		
}
void Store_Admin_Data(char admin_People_File_Name[]){  //Store all the changes to the admin's data in to the file.
	ofstream out;
	out.open(admin_People_File_Name);
	for(admin_it = admin_Vector.begin(); admin_it != admin_Vector.end(); admin_it++){
		out << admin_it->name << ",";
		out << admin_it->id << ",";
		out << admin_it->password << endl;
	}
	out.close();
}
void Store_Manager_Data(char management_People_File_Name[]){  //Store all the changes to the manager's data in to the file.
	ofstream out;
	out.open(management_People_File_Name);
	for(manager_it = manager_Vector.begin(); manager_it != manager_Vector.end(); manager_it++){
		out << manager_it->name << ",";
		out << manager_it->id << ",";
		out << manager_it->password << endl;
	}
	out.close();
}
void Store_User_Data(char user_People_File_Name[]){  //Store all the changes to the user's data in to the file.
	ofstream out;
	out.open(user_People_File_Name);
	for(user_it = user_Vector.begin(); user_it != user_Vector.end(); user_it++){
		out << user_it->name << ",";
		out << user_it->id << ",";
		out << user_it->password << ",";
		out << user_it->makeModel1 << ",";
		out << user_it->makeModel2 << ",";
		out << user_it->year << ",";
		out << user_it->plate << endl;
	}
	out.close();
}
void Store_Ticket_Data(){  //Store all the changes to the ticket's data in to the file.
	ofstream out;
	out.open("ticket.csv");
	for(ticket_it = ticket_Vector.begin(); ticket_it != ticket_Vector.end(); ticket_it++){
		out << ticket_it->ticket_Number << ",";
		out << ticket_it->ticket_Amount << ",";
		out << ticket_it->ticket_Issued << ",";
		out << ticket_it->ticket_Status << ",";
		out << ticket_it->reason << ",";
		out << ticket_it->plate << endl;
	}
	out.close();
}

int main(){
    
    //char array to store the user input for the file search
	char input_File_Name[100]; 
	char admin_People_File_Name[100];
	char management_People_File_Name[100];
	char user_People_File_Name[100];
	
	ifstream in; 
	Parking_Lot_info *pli; //Structure pointer
	int pln; //Parking lot number
	int max_Space = 8; // Max number of parking space in a row
	int t = 0; //Determine when it needs to switch to the next row
	
	//relevant strings for admin, management, and users
	string admin_Name, admin_Id, admin_Password;
	string management_Name, management_Id, management_Password;
	string user_Name, user_Id, user_Password;
	
	string user_Make_Model1, user_Make_Model2, user_Year, user_Plate_Number;

    //get filename
	cout << "Enter file name: "; 
	cin.getline(input_File_Name,100);
	in.open(input_File_Name);
	if(!in){
		cout << "Can't open the file!" << endl; //error check
		return 0;
	}

	in >> pln;
	pli = new Parking_Lot_info[pln];
	
	//read data in for parking lot
	for(int i=0; i<pln; i++){
		in >> pli[i].regular;
		in >> pli[i].motorcycle;
		in >> pli[i].disability;
		pli[i].total_Space = pli[i].regular + pli[i].motorcycle + pli[i].disability;
		//display the initial read in data for parking lot
		cout << "Parking lot number: " << i+1 << endl;
		cout << "Number of parking space: " << pli[i].total_Space << endl;
		cout << "Number of regular parking space: " << pli[i].regular << endl;
		cout << "Number of motorcycle parking space: " << pli[i].motorcycle << endl;
		cout << "Number of disability parking space: " << pli[i].disability << endl;			
		cout << "Parking space layout is shown below." << endl;
		cout << "---------------------------------" << endl;
		cout << "|";
		t = 0; //Reset t to 0;
		for(int j=0; j <pli[i].motorcycle; j++){
			t++;
			cout << " M " << "|";
			if(t%max_Space == 0){
				cout << endl;
				cout << "---------------------------------" << endl;
			}
		}
		for(int k=0; k <pli[i].disability; k++){
			t++;	
			cout << " D " << "|";		
			if(t%max_Space == 0){
				cout << endl;
				cout << "---------------------------------" << endl;
			}
		}	
		for(int l=0; l <pli[i].regular; l++){
			t++;	
			cout << " R " << "|";		
			if(t%max_Space == 0){
				cout << endl;
				cout << "---------------------------------" << endl;
			}
		}
		cout << endl;
		cout << "---------------------------------" << endl;
		cout << endl;
	} 		
    //read in admin, management, and user data
	in >> admin_People_File_Name;
	in >> management_People_File_Name;
	in >> user_People_File_Name;
	in.close();
	
	//display initial administrative employee info
	in.open(admin_People_File_Name);
	cout << "All Administrative Employee Information" << endl;
	cout << "---------------------------------------" << endl;
	cout << "             Name                ID" << endl;
	cout << "-----------------------------------" << endl;
	while(getline(in,admin_Name,',')){
		cout << admin_Name << "\t" << "\t" << "\t";
		getline(in,admin_Id,',');
		cout << admin_Id << endl;
		getline(in,admin_Password);
	}
	cout << endl;
	in.close();
	//display all employee information
	in.open(management_People_File_Name);
	cout << "------All Employee Information-----" << endl;
	cout << "-----------------------------------" << endl;
	cout << "             Name                ID" << endl;
	cout << "-----------------------------------" << endl;
	while(getline(in,management_Name,',')){
		cout << management_Name << "\t" << "\t" << "\t";
		getline(in,management_Id,',');
		cout << management_Id << endl;
		getline(in,management_Password);
	}
	cout << endl;
	in.close();
	
	//display all user information
	in.open(user_People_File_Name);
	cout << "-----------------------------------------------------All User Information-------------------------------------------------------" << endl;
	cout << "--------------------------------------------------------------------------------------------------------------------------------" << endl;
	cout << "	Name                          ID               Make               Model                 Year           Plate Number" << endl;
	cout << "--------------------------------------------------------------------------------------------------------------------------------" << endl;
	while(getline(in,user_Name,',')){
		cout << user_Name << "\t" << "\t" << "\t";
		getline(in,user_Id,',');
		cout << user_Id << "\t" << "\t";
		getline(in,user_Password,',');
		getline(in,user_Make_Model1,',');
		cout << user_Make_Model1 << "\t"<< "\t";
		getline(in,user_Make_Model2,',');
		cout << user_Make_Model2 << "\t" << "\t"<< "\t";
		getline(in,user_Year,',');
		cout << user_Year << "\t" << "\t";
		getline(in,user_Plate_Number);
		cout << user_Plate_Number << endl;
	}
	cout << endl;
	in.close();
	
	
	Initial_Admin_Vector(admin_People_File_Name);
	Initial_Manager_Vector(management_People_File_Name);
	Initial_User_Vector(user_People_File_Name);
	Initial_Ticket_Vector();
	Login_System();
	
	//store NEW admin, manager, user, and ticket data
	Store_Admin_Data(admin_People_File_Name);
	Store_Manager_Data(management_People_File_Name);
	Store_User_Data(user_People_File_Name);
	Store_Ticket_Data();
	
	return 0;
}