// Driver program for employee class hierarchy.

#include <iostream>
#include <string>
#include <iomanip>
#include <vector>

#include "employee.h"          // employee base class
#include "salaried.h"          // salaried derived class
#include "commission.h"        // commission derived class
#include "base_commission.h"   // base_commission derived class
#include "hourly.h"            // hourly derived class

using std::cout;
using std::endl;
using std::fixed;
using std::setprecision;
using std::vector;
using std::string;

int main() 
{
    // set floating-point output formatting
    cout << fixed << setprecision(2);
    
    // create vector employees
    vector<employee*> employees;
    
    // initialize vector with Employees
    employees.push_back(new salaried("John", "Smith", "111-11-1111", 800.00));
    employees.push_back(new commission("Sue", "Jones", "222-22-2222", 10000.00, .06));
    employees.push_back(new base_commission("Bob", "Lewis", "333-33-3333", 5000.00,
                                            .04, 300.00));
    employees.push_back(new hourly("Karen", "Price", "444-44-4444", 16.75, 40));
    
    // generically process each element in vector employees
    for (size_t i = 0; i < employees.size(); i++)
    {
        // Output employee information.
        employees[i]->print();
        
        // Attempt to downcast pointer.
        base_commission* p = dynamic_cast<base_commission*>(employees[i]);
        
        // Test whether vector element points to base salary plus commission worker.
        if (p != nullptr)
        {
            cout << "Old base salary: $" << p->get_salary() << endl;
            
            p->set_salary(1.10 * p->get_salary());
            cout << "New base salary with 10% increase is: $" << p->get_salary() << endl;
        }
        
        cout << "Earned $" << employees[i]->earnings() << endl << endl;
    }
    
    // Release memory held by vector employees
    for (size_t i = 0; i < employees.size(); i++)
    {
        delete employees[i];
    }
    
    return 0;
}