#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[1000];
	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;
		//elly by3d el lines
		int num_of_lines = 0;
		string lines;
		ifstream web(c.username + "proccess.txt");
		while (!web.eof()) {
			web >> lines;
			++num_of_lines;
		}
		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)
		{
			num_of_lines = num_of_lines - 1;
			ifstream in(c.username + "proccess.txt");

			//cout << num_of_lines;
			int cont = 0;
			for (int i = 0; i < num_of_lines; i++) {
				in >> arr[i].x;
			}

			in.close();

				for (int i = num_of_lines; i > 0; i--) {
					cout << arr[i].x << endl;
					cont++;
					if (cont > 5) { break;
					}
			}
		}
		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";
}