#include <cstdlib>
#include <iostream>
#include <conio.h>
#include <string.h>

using namespace std;

int k, p, y, quantity = 4;

bool kontynuacja()
{
char c;
do
{
cout <<  "+---------------------------------+" << endl
     <<  "| Czy chcesz kontynuowac?         |" << endl
     <<  "| t - nie                         |" << endl
     <<  "| n - tak                         |" << endl
     <<  "+---------------------------------+" << endl << endl;
 cout << "Wybor: ";
 c = getch();
}
while (c != 't' && c != 'n');
system("cls");
if (c == 't') return true;
else return false;
}

struct users
{
char name[100];
char surname[100];
int clientNumber;
};

users users[1000] =
{
"Jan", "Kowalski", 0,
"Anna", "Nowak", 1,
"Adam", "Jasinski", 2,
"Maria", "Pietraszewska", 3
};

void showUser(int p){
cout << "Numer klienta: " << users[p].clientNumber<< endl;
cout << "Imie: " << users[p].name << endl;
cout << "Nazwisko: " << users[p].surname << endl << endl;

};

float addUser(){
cout <<  "+---------------------------------+" << endl
     <<  "| Dodawanie uzytkownika           |" << endl
     <<  "+---------------------------------+" << endl << endl;

int a = quantity;

cout << "Numer klienta: " << quantity << endl;
cout << "Imie: ";
cin >> users[a].name;
cout << "Nazwisko: ";
cin >> users[a].surname;

};

int main()
{

do
{
 char x;
cout <<  "+---------------------------------+" << endl
     <<  "| w - Wyswietl uzytkownikow       |" << endl
     <<  "| d - Dodaj nowego uzytkownika    |" << endl
     <<  "+---------------------------------+" << endl << endl;
cout << "  Wybor: ";
x = getch();

if(x == 'w'){
system("cls");
cout <<  "+---------------------------------+" << endl
     <<  "| p - Pojedynczy uzytkownik       |" << endl
     <<  "| c - Cala lista uzytkownikow     |" << endl
     <<  "+---------------------------------+" << endl << endl;

cout << "  Wybor: ";
x = getch();

if(x == 'p'){
system("cls");
cout <<  "+---------------------------------+" << endl
     <<  "| Numer uzytkownika               |" << endl
     <<  "+---------------------------------+" << endl << endl;

cout << "  Numer: ";
cin >> p;

system("cls");
showUser(p);
}

if(x == 'c'){
system("cls");
while(y <= quantity){
    showUser(y);
    y++;
}
y = 0;
}
}

if(x == 'd'){
system("cls");
addUser();
}
}

while (kontynuacja());
return 0;
}