#include "es4A.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int wc(const char *filename, int *chars, int *words, int *lines){

  FILE* fp;
  char* line_buf = NULL;
  size_t line_buf_size = 0;
  int lineCount = 0;
  int charCount = 0;
  int wordsCount = 0;
  ssize_t line_size;
  int i, x;
  int lineCharCount;
  int previousIsChar;

  printf("ciao\n");

  fp = fopen(filename, "r");
  x = 0;
  printf("ho aperto il file %s\n", filename);

  if(fp){

    line_size = getline(&line_buf, &line_buf_size, fp);

    while (line_size >= 0){

        lineCharCount = 0;
        previousIsChar = 0;
        /*printf("line_size: %zul\n", line_buf_size);*/

        for(i = 0; (size_t)i < line_buf_size; i++){
          lineCharCount += 1;

          if (line_buf[i] == ' ' || line_buf[i] == '\n' || line_buf[i] == '\r'){
            if (previousIsChar == 1){
              wordsCount += 1;
              previousIsChar = 0;
            }
          } else {
            if(previousIsChar == 0 && (size_t)i == line_buf_size - 1){
              wordsCount += 1;
            }

            previousIsChar = 1;
          }
        }
        if (lineCharCount > 0){
          lineCount += 1;
          charCount +=lineCharCount;
        }
        line_size = getline(&line_buf, &line_buf_size, fp);
    }

    fclose(fp);
    *chars = charCount;
    *lines = lineCount;
    *words = wordsCount;
    printf("sono arrivato alla fine\n");

    return 1;
  } else {
    return 0;
  }
}