/****************************************************************************
** COPYRIGHT (C):    1997 Cay S. Horstmann. All Rights Reserved.
** PROJECT:          Practical OO Development with C++ and Java
** FILE:             empltest.cpp
** PURPOSE:          test empl.cpp
** VERSION           1.0
** PROGRAMMERS:      Cay Horstmann (CSH)
** RELEASE DATE:     3-15-97 (CSH)
** UPDATE HISTORY:
****************************************************************************/

/* Project:
   Console Application
   Add files
      empltest.cpp
      employee.cpp
      date.cpp
   Additional include directory:
      \PracticalOOBook\cpplib
*/

#include "setup.h"

#include <stdlib.h>

#include "date.h"
#include "employee.h"

int employee_comp(const Employee** e, const Employee** f)
/* PURPOSE:    compare two employee records for sorting
   RECEIVES:   e, f - pointers to employees
   RETURNS:    < 0 if e comes before f, 
					0 if they have the same id, 
					>0 otherwise
*/
{	return (**e).id() - (**f).id();
}

/*.............................................................*/

double salary(const Employee& e, Date from, Date to)
/* PURPOSE:    Compute employee salary in a date range
   RECEIVES:   e - the employee whose salary to compute
               from, to - the date range
   RETURNS:    the total salary earned
   REMARKS:    We assume 8 hours of work for every weekday 
					in the pay period
*/
{  double s = 0;
   double h = 0;
   for (Date d = from; d.compare(to) <= 0; d.advance(1))
   {  Date::Weekday w = d.weekday();
      if (w != Date::SAT && w != Date::SUN)
      {  h += 8;
         if (w == Date::FRI)
         {  s += e.weekly_pay(h);
            h = 0;
         }
      }
   }
   if (h > 0) s += e.weekly_pay(h);
   return s;
}

/*.............................................................*/

int main()
{  
#ifndef PRACTICALOO_MUST_USE_ALLOCATOR
	vector<Employee*> staff(5);
#else
	vector<Employee*, allocator<Employee*> > staff(5);
#endif

   Employee* harry = new Employee("Harry Hacker", 149);
   Manager* carol = new Manager("Carol Smith");

   harry->set_salary(40000);
   harry->raise_salary(0.08);
   carol->set_salary(60000);
   carol->raise_salary(0.03);

   staff[0] = new Employee("Joe User", 16);
   staff[1] = new Employee("Karl Schiller", 2536);
   staff[2] = new Employee("Jessica Chang", 31, 3, 1961);

   for (int i = 0; i < 3; i++) staff[i]->set_salary(35000);
   staff[2]->set_id(3);

   staff[3] = harry;
   staff[4] = carol;

   carol->add(harry);
   carol->add(staff[2]);

   qsort(&staff[0], 5, sizeof(staff[0]), 
		(int (*) (const void*, const void *))employee_comp);
	
   cout.precision(2);
   cout.setf(ios::fixed | ios::showpoint);

   for (i = 0; i < staff.size(); i++)
      staff[i]->print();
   for (i = 0; i < staff.size(); i++)
      cout << staff[i]->id() << " : " 
			<< staff[i]->weekly_pay(48) << endl;

   Date from(1, 1, 1994);
   Date to(31, 3, 1994);

   for (i = 0; i < staff.size(); i++)
      cout << staff[i]->id() << " : " 
			<< salary(*staff[i], from, to) << endl;
   for (i = 0; i < staff.size(); i++)
      delete staff[i];

   return 0;
}