/*

CS471B Assignment 2: University
Instructor: Wade Holst

Submitted by: Dan Fraser
Student number: 001219229

File Name: Department.cc
File description: Implementaton of Department Composite Class

*/

#include "Department.h"

Department::~Department() {
  cout << "Department: destructor" << endl;

  // delete all the stuff we've stored!
  vector<Person*>::iterator p;
  for (p = _people.begin() ; p != _people.end() ; p++) {
    delete(*p);
  }
}

void Department::add(Person *f) {
  // add the person to our vector
  _people.push_back(f);
}

void Department::del(Person *f) {
  // find the person and delete her... warn if something
  // went wrong
  vector<Person*>::iterator p;
  if ((p = find(_people.begin(), _people.end(), f)) != _people.end()) {
    _people.erase(p);
  } else {
    cout << "warning, tried to delete person but couldn't find it" << endl;
  }
}


int Department::getTopMark() const { 
  vector<Person*>::const_iterator p;
  int topMark = 0;
  // for each person
  for ( p = _people.begin() ; p != _people .end() ; p++) {
    // if they have the highest mark
    if ((*p)->getTopMark() > topMark) {
      // record that mark
      topMark = (*p)->getTopMark();
    }
  }
  return topMark;
}

Professor *Department::getTopProfessor() {
  vector<Person*>::const_iterator p;
  Professor *topProfessor = NULL;
  int topSalary = 0;
  for ( p = _people.begin() ; p != _people.end() ; p++) {
    if ((*p)->getTopProfessor() != NULL) {
      if ((*p)->getTopProfessor()->getSalary() > topSalary) {
	topSalary = (*p)->getTopProfessor()->getSalary();
	topProfessor = (*p)->getTopProfessor();
      }
    }
  }
  if (topProfessor == NULL)
    cout << "warning, department returning null prof" << endl;
  return topProfessor;
}  


int Department::getTotalStudents() const { 
  vector<Person*>::const_iterator p;
  int totalStudents = 0;
  for ( p = _people.begin() ; p != _people.end() ; p++) {
    totalStudents += (*p)->getTotalStudents();
  }
  return totalStudents;
}

int Department::getTotalPeople() const { 
  vector<Person*>::const_iterator p;
  int totalPeople = 0;
  for ( p = _people.begin() ; p != _people.end() ; p++) {
    totalPeople += (*p)->getTotalPeople();
  }
  return totalPeople;
}