//******************************************************************************
// CSCI 1380.02 Spring 2016 Hw # 3
// Hideki Garcia
//
// Simple program to practice data extraction from a file using the Standard Library FSTREAM
//
//******************************************************************************

#include <iostream>
#include <fstream>
#include <string>
#include <iomanip>
using namespace std;

const int MAX = 600;

int average(int sum, int quantity);

int main()
{
    string name[MAX] = { " " };
    int grade[MAX] = { 0 };
    int quantity = 0;
    int x = 0;
    double avg = 0;
    int sum = 0;
    string n = " ";
    ifstream inFile;

    inFile.open("indata3.txt");
    if (!inFile.is_open())
    {
        cout << "Could not open file myfile.txt." << endl;
        return 1; // 1 indicates error
    }

    while(!inFile.eof())
    {
        inFile >> name[x];
        inFile >> grade[x];
        x++;
    }

    inFile.close();
    cout << "Enter quantity of grades to be processed (" << x << "): " << endl;
    cin >> quantity;

    for (x = 0; x < quantity; x++)
    {
        sum = sum + grade[x];
    }

    avg = average(sum, quantity);

    cout << "Average grade: " << avg << endl;


    for (x = 0; x<quantity; x++)
    {
        cout << "Name: " << name[x]  << "  Grade: " << grade[x] << "  Comments: ";
        if (grade[x]<avg)
        {
            cout << " below average" << endl;
        }
        else if (grade[x] > avg) {
            cout << " above average" << endl;
        }
        else {
            cout << " average" << endl;
        }
    }

    system("pause");
    return 0;
}

int average(int sum, int quantity)
{
    double avg = 0;
    avg = static_cast<double>(sum) / static_cast<double>(quantity);
    avg = avg + .5;
    return static_cast<int>(avg);

}