// File:Student.cpp
// Student Class Definition

#include "Student.h"
#include <iostream.h>
#include <string.h> // Need for strcpy
#include <ctype.h>  // Need for toupper
#include <iomanip.h>// Need for setw in cout


 // Default Constructor
 Student::Student()
 {strcpy(Name,"");
  Hours=Points=0;
 }

 // Constructor with argument
 Student::Student(char StudentName[])
 {strcpy(Name,StudentName);
  Hours=Points=0;
 }

 // Initialize Name of Student
 void Student::SetName(char StudentName[])
 {strcpy(Name,StudentName);}

 // Update the class with a class record (#Hours,Grade in class 0..4)
 void Student::AddClass(int CourseHours,char Grade)
 {Hours+=CourseHours;
  if (Grade!='F')
   Points+=('E'-toupper(Grade))*CourseHours;
 }

 // Change a Grade (#Hours, Previous Grade, New Grade)
 void Student::ChangeGrade(int CourseHours,char OldGrade,char NewGrade)
 {Points+=(toupper(OldGrade)-toupper(NewGrade))*CourseHours;}

 // Remove a class from student's record (Hours, Grade)
 void Student::RemoveClass(int CourseHours,char Grade)
 {Hours-=CourseHours;
  if (Grade!='F')
   Points-=('F'-toupper(Grade))*CourseHours;
 }

 // Get Hours Completed
 int Student::HoursCompleted() const
 {return(Hours);}


 // Print Student Info
 void Student::PrintStudentInfo()
 {cout << "\nStudent Name        Hours      GPA\n";
  cout.setf(ios::showpoint);
  cout.precision(2);
  cout <<  setiosflags(ios::left) << setw(20) << Name;
  cout.setf(ios::right);
  cout << setw(4) << Hours << setw(10) << ComputeGPA() << endl;
 }

 // Get Student's GPA
 float Student::ComputeGPA() const
 {if (Hours>0)
   return(float(Points)/Hours);
  return(0);
 }