#include <iostream>
#include <fstream>
#include <locale>
#include <string>

using namespace std;

struct User {
    char *name;
    char *pass;
    char *login;
    char *PhoneNumber;
};

struct Key {
    User begin;
    Key* next;
};

void Start(User *begin) {
    begin->name = new char[50];
    begin->login = new char[60];
    begin->PhoneNumber = new char[12];
    begin->pass = new char[50];
    cout << "Enter name is new user: ";
    cin >> begin->name;
    if (begin->name == "\n" || begin->name == "\0") {
        cout << "Error!\n";
        do {
            cout << "Enter name is user: ";
            cin >> begin->name;
        } while (begin->name == "\n" || begin->name == "\0");
    }
    cout << "Enter login is user: ";
    cin >> begin->login;
    if (begin->login == "\n" || begin->login == "\0") {
        cout << "Error";
        do {
            cout << "Enter login is user: ";
            cin >> begin->login;
        } while (begin->login == "\n" || begin->login == "\0");
    }
    cout << "Enter password is user: ";
    cin >> begin->pass;
    if (begin->pass == "\n" || begin->pass == "\0") {
        cout << "Error!";
        do {
            cout << "Enter pass is user: ";
            cin >> begin->pass;
        } while (begin->pass == "\n" || begin->pass == "\0");
    }
    cout << "Enter phone number is user: (+7) ";
    cin >> begin->PhoneNumber;
    if (begin->PhoneNumber == "\n" || begin->PhoneNumber == "\0") {
        cout << "Error";
        do {
            cout << "Enter phone number is user: ";
            cin >> begin->PhoneNumber;
        } while (begin->PhoneNumber == "\n" || begin->PhoneNumber == "\0");
    }
}

void entry(User *begin) {
    fstream data;
    data.open("Users.txt", ios::app);
    data << "Name: " << begin->name << endl;
    data << "Login: " << begin->login << endl;
    data << "Password: " << begin->pass << endl;
    data << "Phone number: " << begin->PhoneNumber << endl;
    data << "-------------------------------" << endl;
    data.close();
}

void Delete(User begin[]) {
    delete[] begin->login;
    delete[] begin->name;
    delete[] begin->PhoneNumber;
}

int main() {
    setlocale(LC_ALL, "Russian");
    User* begin;
    begin = new User;
    for (int i(0); ; i++) {
        cout << i + 1 << " . User: \n";
        Start(&begin[i]);
        entry(&begin[i]);
        Delete(&begin[i]);
    }
    system("pause");
    return 0;
}