// CS2310 Project 1 Specification file
#include <string>
#include <fstream>

#define MAX_NUM_STUDENTS 15
#define MAX_LEN_NAME 20
#define LEN_SSN 10

enum Rank {Freshment, Sofomore, Junior, Senior};
enum letGrade {A, B, C, D, F};

class StuRecord {
public:
  void ReadRecord(ifstream& inputFile);
    // Precondition:
    //   Input stream inputfile is opened and the file is not empty.
    // Postcondition:
    //   The next student record in the input file is read and stored
	//   in this object. The rank is save as a value of the enumeration 
	//   type "letGrade" according to the read-in numeric rank number.
  void Average();
	// Precondition:
	//	 The 3 grades (grade1, grade2, and grade3) are assigned.
    // Postcondition:
    //   Find the average of the 3 grades.
  void LetterGrade();
	// Precondition:
	//   The average is assigned.
	// Postcondition:
	//   Determine the letter grade according to the average.
  void Print() const;
	// Precondition:
	//   name, ssn, rank, and grade are assigned.
    // Postcondition:
    //   Print out the student record.
  StuRecord();
    // Default constructor.

private:
  string name;
  string ssn;
  Rank  rank;
  letGrade grade;
  int  grade1, grade2, grade3, average;
};