/*

CS471B Assignment 2: University
Instructor: Wade Holst

Submitted by: Dan Fraser
Student number: 001219229

File Name: Faculty.cc
File description: Implementation of Faculty Composite class

*/

#include "Faculty.h"

Faculty::~Faculty() {
  cout << "Faculty: destructor" << endl;
  // for each subcomponent, delete it
  vector<DepartmentComponent*>::iterator p;
  for (p = _departments.begin() ; p != _departments.end() ; p++) {
    delete(*p);
  }
}

void Faculty::add(DepartmentComponent *f) {
  _departments.push_back(f); // add into the vector
}

void Faculty::del(DepartmentComponent *f) {
  vector<DepartmentComponent*>::iterator p;
  // see if the thingy we want is in the vector
  if ((p = find(_departments.begin(), _departments.end(), f)) != _departments.end()) {
    // if it is, wipe it
    _departments.erase(p);
  } else {
    // if it isn't, warn!
    cout << "warning, tried to delete faculty but couldn't find it" << endl;
  }
}


// find the top mark in the collection
int Faculty::getTopMark() const { 
  vector<DepartmentComponent*>::const_iterator p;
  int topMark = 0;
  for ( p = _departments.begin() ; p != _departments.end() ; p++) {
    if ((*p)->getTopMark() > topMark) {
      topMark = (*p)->getTopMark();
    }
  }
  return topMark;
}

// find the number of students in the collection
int Faculty::getTotalStudents() const { 
  vector<DepartmentComponent*>::const_iterator p;
  int totalStudents = 0;
  for ( p = _departments.begin() ; p != _departments.end() ; p++) {
    totalStudents += (*p)->getTotalStudents();
  }
  return totalStudents;
}


// find the total number of people in the collection
int Faculty::getTotalPeople() const { 
  vector<DepartmentComponent*>::const_iterator p;
  int totalPeople = 0;
  for ( p = _departments.begin() ; p != _departments.end() ; p++) {
    totalPeople += (*p)->getTotalPeople();
  }
  return totalPeople;
}

// find the top professor in the collection
Professor *Faculty::getTopProfessor() {
  vector<DepartmentComponent*>::const_iterator p;
  Professor *topProfessor = NULL;
  int topSalary = 0;
  for ( p = _departments.begin() ; p != _departments.end() ; p++) {
    if ((*p)->getTopProfessor() != NULL) {
      if ((*p)->getTopProfessor()->getSalary() > topSalary) {
	topSalary = (*p)->getTopProfessor()->getSalary();
	topProfessor = (*p)->getTopProfessor();
      }
    }
  }
  if (topProfessor == NULL)
    cout << "warning, faculty returning null prof" << endl;
  return topProfessor;
}