// File: ex7-4.cpp

#include <iostream>
#include <iomanip>
using namespace std;

class Account
{
protected:
    unsigned long long accountNum;
    double balance;
    double intRate;	    // annual interest rate
public:
    Account(unsigned long long num = 0,double bal = 0,double = 0);
    void deposit(double amount);
    void withdraw(double amount);
    void month_end();
    friend ostream& operator<<(ostream& out, const Account& account);
};

ostream& operator<<(ostream& out, const Account& account)
{
    out << fixed << setprecision(2);
    out << "Account: " << account.accountNum << "  balance = $" << account.balance << endl;
    return out;
}

Account::Account(unsigned long long acc_no,double init_bal,double i_rate)
    : accountNum(acc_no), balance(init_bal), intRate(i_rate)
{
    cout << "* New Account\t";
    cout << *this << endl;
}

void Account::deposit(double amount)
{
    cout << "Account: " << accountNum << "  deposit = $" << amount << endl;
    balance += amount;
}

void Account::withdraw(double amount)
{
    cout << "Account: " << accountNum << "  withdraw = $" << amount << endl;
    balance -= amount;
}

void Account::month_end()
{
    cout << "Account month-end processing: " << accountNum << endl;
    balance *= (1.+intRate/12.);
    cout << *this << endl;
}

class SavingsAccount : public Account
{
public:
    SavingsAccount(long acc_no, double init_bal = 50., double i_rate = .02)
        : Account(acc_no,init_bal,i_rate) { }
};


class CheckingAccount : public Account
{
private:
    double min_balance;
    double service_charge;
public:
    CheckingAccount(unsigned long long, double, double = 300.,double = 3.,double = .01);
    void process_check(double amt)
    {
        withdraw(amt);
    }
    void month_end(void);
};

CheckingAccount::CheckingAccount(unsigned long long acc_no, double init_bal,
                                 double min_bal, double service_chg, double i_rate)
    : Account(acc_no,init_bal,i_rate),
      min_balance(min_bal),
      service_charge(service_chg)
{

}

void CheckingAccount::month_end()
{
    cout << "Checking Account month-end processing: " << accountNum << endl;
    balance *= (1.+intRate/12.);
    if (balance < min_balance) balance -= service_charge;
    cout << *this << endl;
}

int main()
{
    SavingsAccount Mysavings(1234560ULL,500.);
    CheckingAccount Mychecking(1234561ULL,1000.);
    Mysavings.deposit(100.);
    cout << Mysavings << endl;
    Mysavings.withdraw(200.);
    cout << Mysavings << endl;
    Mychecking.deposit(100.);
    cout << Mysavings << endl;
    Mychecking.process_check(200.);
    cout << Mychecking << endl;
    Mysavings.month_end();
    Mychecking.month_end();
}