#include <iostream>
#include <fstream>
#include <string>
using namespace std;
struct Customer
{
    string username, password;
    double Balance;
}c;
struct Last
{
    string x;
}L;
void menu();
int main()
{
    Last arr[5];
    cout << "=======================================\n";
    cout << "==Welcome to Automatic Teller Machine==\n";
    cout << "==Please Enter your Username/Password==\n";
    string un, pw;
    bool LoggedIn = true;
    cout << "Enter Username :";
    cin >> c.username;
    cout << "Enter Password :";
    cin >> c.password;
    ifstream in(c.username + ".txt");
    while (in >> un >> pw){
        if (un == c.username && pw == c.password){
            cout << "successfuly logged in" << endl;

        }
        else {
            cout << "Login fail" << endl;
            LoggedIn = false;
        }
    }
    while (LoggedIn){
        int choice, amount = 0, balance2 = 0;
        menu();
        cin >> choice;
        if (choice == 1)
        {
            cout << "Enter Amount of money to Deposit\n";
            cin >> amount;
            ifstream in(c.username + ".txt");
            in >> un >> pw >> balance2;
            c.Balance = balance2 + amount;
            ofstream out;
            out.open(c.username + ".txt");
            out << c.username << endl << c.password << endl << c.Balance << endl;
            out.close();
            std::ofstream data(c.username + "proccess.txt", std::ios_base::app | std::ios_base::out);
            data << "Deposite:" << amount << endl;
        }
        if (choice == 2)
        {
            cout << "Enter Amount of money to Withdraw\n";
            cin >> amount;

            ifstream in(c.username + ".txt");
            in >> un >> pw >> balance2;
            if (amount <= balance2) {
                c.Balance = balance2 - amount;
                ofstream out;
                out.open(c.username + ".txt");
                out << c.username << endl << c.password << endl << c.Balance << endl;
                out.close();
                std::ofstream data(c.username + "proccess.txt", std::ios_base::app | std::ios_base::out);
                data << "Withdraw:" << amount << endl;
            }
            else {
                cout << "Your Balance isn't enough for this proccess\n";
            }
        }
        if (choice == 3)
        {
            ifstream in(c.username + ".txt");
            in >> un >> pw >> balance2;
            cout << "Your current balance is : " << balance2 << endl;
        }
        if (choice == 4)
        {
            ifstream in(c.username + "proccess.txt");
            for (int i = 0; i < 5; i++){
                in >> arr[i].x;
            }
            in.close();
            for (int i = 0; i < 5; i++){
                cout << arr[i].x << endl;
            }
        }

        if (choice == 5)
        {
            LoggedIn = false;
            break;
        }
    }
    return 0;
}
void menu(){
    cout << "Please choose what do you want to do\n";
    cout << "1/Deposit\n2/Withdraw\n3/Inquiry about your Balance\n4/Last 5 procedures\n5/Exit\n";
}