#include <filehandler.h>
#include <stdio.h>
#include <stdlib.h>

void
Filehandler::init(char *path)
{
  m_file = NULL;
  m_buffer = NULL;
  asprintf(&m_path, "%s", path);
}

bool
Filehandler::open(void)
{
  m_file = fopen(m_path, "r");
  if (m_file == NULL) {
    printf("Unable to open %s\n", m_path);
    return false;
  }

  return true;
}

unsigned int
Filehandler::size(void)
{
  unsigned int current = ftell(m_file);

  fseek(m_file, 0, SEEK_END);
  unsigned int s = ftell(m_file);

  fseek(m_file, current, SEEK_SET);
  return s;
}

char *
Filehandler::read(void)
{
  fseek(m_file, 0, SEEK_SET);

  m_buffer = (char *) calloc(size(), sizeof(char));
  int bytesread = fread(m_buffer, sizeof(char), size(), m_file);

  if (bytesread < 0) {
    return NULL;
  }
  return m_buffer;
}

void
Filehandler::close(void)
{
  fclose(m_file);
  free(m_buffer);
  free(m_path);
}