#include "Student.h"


/****************************************************************
   FUNCTION:   Student()
   ARGUMENTS:  none
   RETURNS:    none
   NOTES:      this is the Student class constructor
****************************************************************/
Student::Student()
{
	count = 0;
}

/****************************************************************
   FUNCTION:   ~Student()
   ARGUMENTS:  none
   RETURNS:    none
   NOTES:      this is the destructor for the Student class
****************************************************************/   
Student::~Student()
{
}

/****************************************************************
   FUNCTION:   incrementCount()
   ARGUMENTS:  none
   RETURNS:    none
   NOTES:      This function increments count so that the number
               of classes added are counted on entry
****************************************************************/
void Student::incrementCount()
{
	count = count + 1;
}

/****************************************************************
   FUNCTION:   getZID()
   ARGUMENTS:  none
   RETURNS:    ZID - returns the students ZID number
   NOTES:      This function simply returns the students ZID#
****************************************************************/
string Student::getZID() const
{
     return ZID;
}

/****************************************************************
   FUNCTION:   setZID(const string &x)
   ARGUMENTS:  string x
   RETURNS:    none
   NOTES:      this function sets the students ZID with the value
               passed to it.
****************************************************************/
void Student::setZID(string &x)
{
     ZID = x;
}

/****************************************************************
   FUNCTION:   getCount() const
   ARGUMENTS:  none
   RETURNS:    int count
   NOTES:      this function returns the count of the number of 
               classes added to the students registration etc
****************************************************************/
int Student::getCount() const
{
	return count;
}

/****************************************************************
   FUNCTION:   infoPrint()
   ARGUMENTS:  none
   RETURNS:    none
   NOTES:      this prints the students information, including the
               basic information, aswell as class information
****************************************************************/
void Student::infoPrint()
{		
	cout << getFirstName() << " " << getLastName() << " "
		 << getSSN() << " " << getDOB() << " " << getGender() 
		 << " " << getZID() << endl;  
	
	nodeSLL<CourseInfo> * next = courseList.getHead();

	while (next != NULL)
	{
		cout << next->info.getCourseID() << " "
		     << next->info.getYearTaken() << " "
		     << next->info.getSemesterTaken() << " " 
		     << next->info.getGrade() << endl;
		next = next->next;
	}
}

void Student::loadInfoFromFile(fstream& inFile)
{
	string firstName, lastName, SSN, DOB, gender, 
		   ZID, courseID, year, semester, grade;

	inFile >> firstName;
	setFirstName(firstName);
	inFile >> lastName;
	setLastName(lastName);
	inFile >> SSN;
	setSSN(SSN);
	inFile >> DOB;
	setDOB(DOB);
	inFile >> gender;
	setGender(gender);
	inFile >> ZID;
	setZID(ZID);

	//start class read
	inFile >> courseID;
	
	while (inFile)
	{
	inFile >> year;
	inFile >> semester;
	inFile >> grade;
		 
	CourseInfo courses;
	courses.setCourseID(courseID);
	courses.setYearTaken(year);
	courses.setSemesterTaken(semester);
	courses.setGrade(grade);
	
	addCourse(getZID(), courses);
	inFile >> courseID;
	}
  }

/****************************************************************
   FUNCTION:   addCourse()
   ARGUMENTS:  none
   RETURNS:    none
   NOTES:      this adds a course to the front of the list
****************************************************************/
void Student::addCourse(string ZID, const CourseInfo& c1)
{
	courseList.addToHead(c1);
}

/****************************************************************
   FUNCTION:   deleteCourse()
   ARGUMENTS:  const CourseInfo& delCourse
   RETURNS:    none
   NOTES:      this functions deletes a course from the list
****************************************************************/
void Student::deleteCourse(const CourseInfo& delCourse)
  {
  // Call the deleteNode() method for the linked list of courses
  courseList.deleteNode(delCourse);
  }

/****************************************************************
   FUNCTION:   checkCourseTaken()
   ARGUMENTS:  string zid, CourseInfo c1
   RETURNS:    CourseInfo
   NOTES:      this function checks if a course was taken
****************************************************************/
CourseInfo Student::checkCourseTaken(string ZID, CourseInfo c1)
{
	courseList.checkCourseTaken(c1);
	return c1;
}

/****************************************************************
   FUNCTION:   checkCourseTaken()
   ARGUMENTS:  string courseId, string year, string semester
   RETURNS:    string grade
   NOTES:      this function checks if a course was taken
****************************************************************/
string Student::checkCourseTaken(string courseID, string year, string semester)
{
	CourseInfo temp;
	temp.setCourseID(courseID);
	temp.setYearTaken(year);
	temp.setSemesterTaken(semester);

	nodeSLL<CourseInfo> * next = courseList.getHead();

	while (next != NULL)
	{
		if (next->info == temp)
			return next->info.getGrade();
		next = next->next;
	}
	return "failed";
}

void Student::clearCourseList()
{
	courseList.clear();
}