#include "stdstuff.h"
#include "StudentMarks.h" 

// constructs a new student with 0 As, 0 Bs, 0 Cs, 0 other marks
StudentMarks::StudentMarks() {
   as = bs = cs = others = 0;
}

// constructs a new student with "as" As, "bs" Bs, "cs" Cs, "others" other marks
StudentMarks::StudentMarks(int as, int bs, int cs, int others) {
   this->as = as;
   StudentMarks::bs = bs;
   this->cs = cs;
   StudentMarks::others = others;
   // this-> or StudentMarks:: only needed if argument and field names match
}

// the student gets an A
void StudentMarks::gotA() {
   as++;
}
  
// the student gets a B
void StudentMarks::gotB() {
   bs++;
}
  
// the student gets a C
void StudentMarks::gotC() {
   cs++;
}
  
// the students gets another (lower) mark
void StudentMarks::gotOther() {
   others++;
}

// prints the marks as: "As-Bs-Cs-others" 
void StudentMarks::printMarks() const {
   cout << as << "-" << bs << "-" << cs << "-" << others;
}

// returns the number of As this student has to date
int StudentMarks::numAs() const {
   return as;
}
  
// returns true if the number of As and Bs is greater than the
// number of Cs and other marks
bool StudentMarks::mostAboveC() const {
   return (as+bs > cs+others);
}
  
// returns true if the student has at least as many As as the
// other student, false otherwise
bool StudentMarks::asManyAs(const StudentMarks &otherStudent) const {
   return (as >= otherStudent.as);
}

// returns the academic score for this student, calculated as 3 for each A,
// 2 for each B, 1 for each C, and 0 for any other marks
int StudentMarks::acadScore() const {
   return (3*as + 2*bs + cs);
}