#include <dirent.h> // directory header
#include <iostream>
#include <string.h>
#include <fstream>
#include <string>

using namespace std;

bool txtCheck(char const *name){
  size_t len = strlen(name);
  return len > 4 && strcmp(name + len - 4, ".txt") == 0;
}
int main(int argc, char** argv) {
  string word = " ";

for (int a = 1; a <argc; a++){

  DIR *current_dir; //Creates a pointer to point to the current directory
  current_dir = opendir("."); //Open the directory at "." - apperently this means the current folder
  dirent *current_fil = NULL; //Create the file pointer, this will have the info of the files

  int lineCounter = 1;
  int dupeCounter = 0;
  bool dupe = false;

  cout << argv[a] << ": " << endl;
    while(current_fil = readdir(current_dir)){ //Read the info for one file, then send it into the current file pointer

        ifstream file (current_fil->d_name);

        dupeCounter = 0;
        string fileName = " ";
        char letter = ' ';
        fileName = current_fil->d_name;

      if (txtCheck(current_fil->d_name) == 1){
            lineCounter = 1;
            while(!file.eof()){
              file >> word;

      while(file.peek() == 13 || file.peek() == 10){
        if (file.peek() == 13 || file.peek() == 10){
          file.get();
          if (file.peek() == 13 || file.peek() == 10){
            lineCounter ++;
          }
        }
      }
            dupe = false;
              if (word == argv[a]){
                dupeCounter ++;
                dupe = true;
                if (dupeCounter == 1 || dupe == true){
                cout << "Found in file " << current_fil->d_name << " at line: " << lineCounter << endl;
                } if (dupeCounter > 1){
                  cout << "Found in file " << current_fil->d_name << " " <<  dupeCounter << " times" << endl;
              } else if (dupeCounter == 0){
                cout << "Not found " << endl;
              }
            }

          }
        }
        file.close();
      }
      closedir(current_dir); //close the stream
    }

  return 0;
}