wdi bank

#include <iostream>
#include <utility> // for std::pair, std::make_pair
#include <string>

std::pair<int, int> handleString(std::string given) {

    int zl{}, gr{};
    size_t found = given.find('.');
    if(found == std::string::npos) {
        zl = std::stoi(given);
    }
    else {
        std::string s_zl = "";
        for(int i = 0; i < found; ++i) {
            s_zl += given[i];
        }
        zl = std::stoi(s_zl);
        std::string s_gr = "";
        for(int i = found + 1; i < given.length(); ++i) {
            s_gr += given[i];
        }
        gr = std::stoi(s_gr);
    }
    return std::make_pair(zl ,gr);
}

class Bank {
private:
    std::pair<int, int> balance{};
public:
    void deposit(std::string money) {
        std::pair<int, int> adds = handleString(money);

        // Test for gr >= 100
        balance.first += adds.first;
        balance.second += adds.second;
        if(balance.second >= 100) {
            balance.second -= 100;
            balance.first += 1;
        }

        std::cout << "You've succesfuly deposit " << adds.first << " zl";
        std::cout << " and " << adds.second << " gr\n";

    }

    void printBalance() {
        std::cout << "Your current balance is " << balance.first << " zl and ";
        std::cout << balance.second << " gr\n";
    }

    std::pair<int,int> withdrawBank(std::string money_to_withdraw) {
        std::pair<int, int> out = handleString(money_to_withdraw);

        bool can_withdraw = true;
        if(out.first >= balance.first or out.second >= balance.second) {
            can_withdraw = false;
        }

        if(can_withdraw) {
            std::cout << "Withdrawing " << out.first << " zl ";
            std::cout << "and " << out.second << " gr\n";
            balance.first -= out.first;
            balance.second -= out.second;
            return out;
        }
        else {
            std::cout << "You can't withdraw " <<  out.first << " zl ";
            std::cout << "and " << out.second << " gr\n";
            return std::make_pair<int, int>(0, 0);
        }


    }
    int withdrawATM(std::string money_to_withdraw) {

        std::pair<int, int> out = handleString(money_to_withdraw);

        bool can_withdraw = true;
        if(out.first >= balance.first or out.second >= balance.second) {
            can_withdraw = false;
        }

        if(can_withdraw) {
            std::cout << "Withdrawing " << out.first << " zl ";
            std::cout << "and " << out.second << " gr\n";
            balance.first -= out.first;
            balance.second -= out.second;
            return out;
        }
        else {
            std::cout << "You can't withdraw " <<  out.first << " zl ";
            std::cout << "and " << out.second << " gr\n";
            return std::make_pair<int, int>(0, 0);
        }

    }

    Bank(std::string start_money) {
        std::cout << "Starting balance created with ";
        balance = handleString(start_money);
        std::cout << balance.first << " zl and " << balance.second << " gr\n";
    }
    ~Bank() {
        std::cout << "Destroying bank instance of an object\n";
    }

};


int main()
{
    // std::pair<int, int> x = handleString("123.124");
    // std::cout << x.first << " " << x.second << '\n';

    Bank bank("100");
    bank.deposit("23.45");
    bank.printBalance();
    bank.deposit("25");
    bank.printBalance();
    bank.withdrawBank("120.24");
    bank.printBalance();
    bank.withdrawBank("2");
    bank.printBalance();
    bank.withdrawBank("120");

    return 0;
}