#include <iostream>
#include <fstream>
#include <cstring>
#include <cstdlib> //Fyrir exit (1).

using namespace std;


//Fall sem opnar skránna
void OpenFile(ifstream& infile);
//Fall sem telur oðrin og skilar okkur heiltölu
int count_words (ifstream&  infile);
//Skila fjölda tákna í heiltölu.
int symbols(ifstream& infile);
//Fall sem skilar línufjölda í heiltölu.
int count_lines (ifstream& infile);
//Prentar út niðurstöður og fjölda lína, tákan og orða.
void print_out(ofstream& outfile);

string thefilename;
int counter3;
int counter1;
int counter2;


int main()
{

    ifstream infile;
    ofstream outfile;

    cout << "Write the name of the file: ";
    cin >> thefilename;



OpenFile(infile);
counter3 = count_lines(infile);
infile.close();

OpenFile(infile);
counter1 = count_words(infile);
infile.close();

OpenFile(infile);
counter2 = symbols(infile);
infile.close();


print_out(outfile);



        return 0;
}


//opnar skránna, ef ekki tekst að opna fer fallið í exit og lokar terminal glugganum.
void OpenFile(ifstream& infile){
    infile.open(thefilename.c_str());

    if(infile.fail() ) {
        cout << "Can't open file: " << thefilename << endl;
        exit(1);
    }
}



int count_words (ifstream& infile)
{
    string words_counter;
    int counter1 = 0;
    while (infile >> words_counter){
        counter1 ++ ;
    }
    return counter1;

}

int count_lines (ifstream& infile)
{
    char y;
    int counter3 = 0 ;

    while (infile.get(y)){
        if (y == '\n'){
        counter3 ++ ;
        }

    }
    if (y != '\n'){
      counter3 ++ ;
    }

    return counter3;

}

int symbols(ifstream& infile)
{
    char x ;

    int counter2 = 0;
    infile.get(x);

    while (!infile.eof()) {

    infile.get(x);
    counter2 ++ ;

    }
    return counter2;
}





    void print_out(ofstream& outfile ){

cout << "Lines: " << counter3 << endl;
cout << "Words: " << counter1 << endl ;
cout << "Chars: " << counter2 << endl;
}