/*
    seqFileIO.cpp
    Name:
    CIS 150 Sequential file I/O lab
    Date:

    Lab to demonstrate sequential file reading and writing.
*/

// Finish the parts of the program marked ** TODO **
// A separate data file named pres.txt should also be downloaded.

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

bool displayFile(string filename);

int main(int argc, char* argv[]) {
    string fname = "pres.txt";
    string pres44 = "Barack Obama";
    string pres45 = "Donald Trump";
    int year44 = 2009;
    int year45 = 2016;

    cout << "Before adding last two presidents:\n";
    bool ok = displayFile(fname);
    if (ok) {
        // ** TODO **
        // Open the file specified by fname for appending text output.
        // If file error, display error message and exit with EXIT_FAILURE status.
        // Output to file: year44, " ", pres44, "\n"
        // Output to file: year45, " ", pres45, "\n"
        // Close the file
        // ** END OF TODO **
        cout << "\nAfter adding last two presidents:\n";
        displayFile(fname);
    }

    cout << "Press enter to continue...";
    cin.get();
    return EXIT_SUCCESS;
}

bool displayFile(string filename) {
    int year;
    string name;
    int number;

    // ** TODO **
    // Open the file specified by fname for text input.
    // If file error, display error message and return false.
    // ** END OF TODO **

    number = 0;
    // ** TODO **
    // Loop while reading the year from the file does not cause an error.
    //     Increment number.
    //     Ignore any blanks in the input stream from the file.
    //     Read a line of text from the file into the variable name.
    //     Display number, ". ", name, " (", year, ")\n" on the screen
    // Close the file.
    // ** END OF TODO **

    return true;
}