/******************************************************************************
  Lab Exercise #6, Part C

  Assumptions about the data:

    The data set will contain no more than 10 items
    The student name will contain no more than 20 characters
    The exam scores will range from 0 to 100

  Note:

    Functions "process" and "mean" are not currently implemented.

******************************************************************************/

using namespace std;

#include <iostream>
#include <iomanip>

struct Student
{
  char Name[20];
  int Score;
};

void read( Student [], int, int& );
void process( const Student [], int );
double mean( const Student [], int );

/*-----------------------------------------------------------------------------
  Name:  main

  Purpose:  Control the overall operation of the program

  Output:   Appropriate error messages
-----------------------------------------------------------------------------*/

int main()
{
  const int Size = 10;     // The upper bound on the number of students

  int Num;                 // The actual number of students

  Student List[Size];      // The list of student names and exam scores

  // Read the data records

  read( List, Size, Num );

  // Check to see if there were any data records in the file

  if (Num == 0)
  {
    cerr << "\n** No data values entered **\n\n";
  }
  else
  {
    // Check to see if there were too many data records in the file

    if (Num == Size && !cin.eof())
    {
      cerr << "\n** Too many records (first " << Size << " used) **\n\n";
    }

    // Process the data records

    process( List, Num );
  }
}


/*-----------------------------------------------------------------------------
  Name:  read

  Purpose:  Read the data records from the input stream

  Receive:  List[] -- the array of student names and exam scores
            Size   -- the upper bound on the number of data records
            Num    -- the actual number of data records

  Return:   List[] -- the array of student names
            Num    -- the actual number of data records

  Input:    Zero or more data records (student name and exam score)
-----------------------------------------------------------------------------*/

void read( Student List[], int Size, int& Num )
{
  Student Temp;

  Num = 0;

  for (;;)
  {
    cin >> Temp.Name >> Temp.Score;

    if (cin.fail() || Num >= Size) break;

    List[Num] = Temp;

    Num++;
  }
}


/*-----------------------------------------------------------------------------
  Name:  mean

  Purpose:  Calculate the average exam score

  Receive:  List[] -- the array of student names and exam scores
            Num    -- the actual number of data records

  Return:   The average exam score
-----------------------------------------------------------------------------*/

double mean( const Student List[], int Num )
{
  //*******************************
  // Compute and return the average
  //*******************************
}

/*-----------------------------------------------------------------------------
  Name:  process

  Purpose:  Process each data record

  Receive:  List[] -- the array of student names and exam scores
            Num    -- the actual number of data records

  Output:   An appropriate report header
            Each data record (student name and exam score)
            The average exam score
-----------------------------------------------------------------------------*/

void process( const Student List[], int Num )
{
  //***************************
  // Display the column headers
  //***************************

  cout << "\n";
  cout << "Student name          Score\n";
  cout << "--------------------  -----\n";

  //*********************
  // For each data record
  //*********************

  {
    //*******************************************
    // Display the current student name and score
    //*******************************************

    // cout << resetiosflags( ios::right ) << setiosflags( ios::left );
    // cout << setw(20) << List[I].Name << "  " .... ;
  }

  //*****************************************
  // Get the average by calling "mean"
  // Display the average (two decimal places)
  //*****************************************
}