// File name: WordCount.cpp;
// Author: Grétar Már Margrétarson;
// E-mail: gretarm11@ru.is;
// Assaignment: 3;
// Description: A program that counts words, characters and lines and then writes out to another file and to the screen.
// Last changed: 13. október, 2011;

#include <fstream>
#include <iostream>
#include <cstdlib>

using namespace std;

void GetFiles(ifstream& fin, ofstream& fout);
void OpenFiles(ifstream& fin, ofstream& fout);
void LineCount(ifstream& fin, ofstream& fout, int& lineCount);
void WordCount(ifstream& fin, ofstream& fout, int& wordCount);
void CharCount(ifstream& fin, ofstream& fout, int& charCount);
void DisplayResults(ostream& fout, int lineCount, int wordCount, int charCount);
void CloseFiles(ifstream& fin, ofstream& fout);

int main()
{
    int lineCount = 0, wordCount = 0, charCount = 0;

    ifstream fin;
    ofstream fout;


    GetFiles(fin, fout);
    OpenFiles(fin, fout);
    //LineCount(fin, fout, lineCount);
    //WordCount(fin, fout, wordCount);
    CharCount(fin, fout, charCount);
    CloseFiles(fin, fout);
    DisplayResults(fout, lineCount, wordCount, charCount);
    DisplayResults(cout, lineCount, wordCount, charCount);
    CloseFiles(fin, fout);


    return 0;
}

void GetFiles(ifstream& fin, ofstream& fout)
{
    char inFile[16], outFile[16];

    cout << "Enter the name of your input and then output file (max 15 characters each): ";
    cin >> inFile >> outFile;
    cout << "You have chosen the file: " << inFile << " as input.\n" << "You have chosen the file: " << outFile << " as output.";
}

void OpenFiles(ifstream& fin, ofstream& fout)
{
    char inFile[16], outFile[16];

    fin.open(inFile);
    if (fin.fail())
    {
        cout << "Input file opening failed.";
        exit(1);
    }

    fout.open(outFile);
    if (fout.fail())
    {
        cout << "Output file opening failed.";
        exit(1);
    }
}

void LineCount(ifstream& fin, ofstream& fout, int& lineCount)
{

}

void WordCount(ifstream& fin, ofstream& fout, int& wordCount)
{
    char next;

    fin.get(next);
    while (! fin.eof())
    {
        if (next == " " || next == "\n" || next == "\t" || next == "\r")
        {
            wordCount++;
        }
    }
}

void CharCount(ifstream& fin, ofstream& fout, int& charCount)
{
    char next;

    fin.get(next);
    while (! fin.eof())
    {
        charCount++;
    }
}

void DisplayResults(ostream& fout, int lineCount, int wordCount, int charCount)
{
    fout << "The input contains: \n" << lineCount << " lines\n" << wordCount << " words \n" << charCount << " characters" << endl;
}

void CloseFiles(ifstream& fin, ofstream& fout)
{
    fin.close();
    fout.close();

    cin.get();
    cin.get();
}