//************************************************************************
// Programmer: Codye Watson
// Course: CS-1313
// Program: 6
// Date: 12/09/2011
// Purpose:
// Input:
// Calculate:
// Output:
//***********************************************************************

#include <iostream>
#include <iomanip>
#include <fstream> //Needed to use files
using namespace std;

// This function opens the file datafile.txt, reads a collection of student records, and keeps track of the
// number of records in variable size.
void read(string name[ ], float gpa[ ], int &size);

// This function outputs each student name and GPA on a line.
// The output will be aligned.
void output(string name[ ], float gpa[ ], int size);

// This function receives a list of GPAs, and the number of students.
// It calculates and returns the average GPA.
float average(float gpa[ ], int size);

// This function receives student names and GPAs. It outputs each name, GPA, and the corresponding
// letter grade on a line. The output will be aligned.
void outputGrades(string name[], float gpa[], int size);

// This function receives a list of GPAs and returns the array index of the highest GPA.
int highest(float gpa[], int size);

// This function receives a list of GPAs and returns the array index of the lowest GPA.
int lowest(float gpa[], int size);

// This function receives GPAs. It outputs the total number of .A.s, .B.s. .C.s, .D.s, and .F.s.
// Frequency ranges: "A" = 4.0, "B" = 3.0 to 3.9, "C" = 2.0 to 2.9, "D", 1.0 to 1.9, "F" = 0.0 to 0.9.
void outputStats(float gpa[ ], int size);

int main(){
        const int MAXSIZE = 100;
        string name[MAXSIZE];
        float gpa[MAXSIZE];
        int size;

        read(name, gpa, size); // Call the read function to read the file and store in arrays

        output(name, gpa, size); // Call the output function to display the arrays and num of students

        //outputGrades(name, gpa, size); // Call the outputGrades function to calculate and output grades

        //cout << "Average GPA: " << average(gpa, size) << endl; // Output the average GPA

        //index = highest(gpa, size); // Call the highest function to find the index of the highest GPA

        //cout << "Highest GPA: " << name[index] << " " << gpa[index] << endl;

        return 0;

}

void read(string name[], float gpa[], int &size){
        int index = 0;

        //Open the data file
        ifstream inputFile;
        inputFile.open("datafile.txt");
        if (inputFile.fail()){
                cout << "Error: The file did not open." << endl;
                exit(1);
        }
        // read the entire data file and store in arrays name and gpa
        else {
          inputFile >> name[0];
          inputFile >> gpa[0];
          while(!inputFile.eof()){
                index++;
                inputFile >> name[index];
                inputFile >> gpa[index];
          }
        }
        exit(1);
}

void output(string name[], float gpa[], int size){
        for (int index = 0; index < size; index++){
                cout << name[index] << endl;
        }
}

float average(float gpa[], int size){

}

void outputGrades(string name[], float gpa[], int size){

}

int highest(float gpa[], int size){

}

int lowest(float gpa[], int size){

}