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

#include <string.h>
#include <stdint.h>

#include <hardware.h>

#include <physio.h>
#include <volume.h>
#include <fs.h>

static void emptyIT()
{
  return;
}


static void hddIT()
{
  return;
}

int main(int argc, char *argv[])
{
  unsigned int i;

  /* init hardware */
  if(initHardware("hardware.ini") == 0) {
    fprintf(stderr, "Error in hardware initialization\n");
    exit(EXIT_FAILURE);
  }

  /* Interreupt handlers */
  for(i=0; i<16; i++)
    IRQVECTOR[i] = emptyIT;

  IRQVECTOR[HDA_IRQ] = hddIT;

  /* Allows all IT */
  _mask(1);

  unsigned int volume=0;

  printf("Création du /...");
  inode_t root = create_ifile(volume, FILET_DIR);
  if ( root ) 
    printf("ok\n");
  else
    {
      printf("failed!\n");
      return EXIT_FAILURE;
    }

  struct file_desc_t root_fd;

  printf("Ouverture du rootfile...");
  if ( open_ifile(volume, root, &root_fd) != OPEN_SUCCESS )
    {
      printf("failed.\n");
      return EXIT_FAILURE;
    }
  else
    printf("ok!\n");

  printf("Création d'un fichier plop...");
  if ( add_entry(&root_fd, create_ifile(volume, FILET_REG), "plop") < 0 )
    {
      printf("failed!\n");
      return EXIT_FAILURE;
    }
  else
    printf("ok!\n");

  printf("Fermeture du fichier root.\n");
  close_ifile(&root_fd);

  printf("Réouverture du rootfile...");
  if ( open_ifile(volume, root, &root_fd) != OPEN_SUCCESS )
    {
      printf("failed.\n");
      return EXIT_FAILURE;
    }
  else
    printf("ok!\n");

  seek2_ifile(&root_fd, 0);

  struct entry_t ent = {0, "blub"};
  printf("Listing du rép...\n");
  while( read_ifile(&root_fd, &ent, sizeof(struct entry_t)) != 0 )
    printf("* %s (%u)\n", ent.ent_basename, ent.ent_inumber);

  printf("Suppression du fichier plop\n");
  inode_t plop_no = find_entry(&root_fd, "plop");

  del_entry(&root_fd, plop_no);
  
  seek2_ifile(&root_fd, 0);
  printf("Listing du rép...\n");
  while( read_ifile(&root_fd, &ent, sizeof(struct entry_t)) != 0 )
    printf("* %s (%u)\n", ent.ent_basename, ent.ent_inumber);

  printf("Fermeture du fichier\n");
  close_ifile(&root_fd);

  printf("Réouverture du rootfile...");
  if ( open_ifile(volume, root, &root_fd) != OPEN_SUCCESS )
    {
      printf("failed.\n");
      return EXIT_FAILURE;
    }
  else
    printf("ok!\n");

  printf("Recréation du fichier plop\n");
  add_entry(&root_fd, create_ifile(volume, FILET_REG), "plop");
  printf("Création d'un sous répertoire coin\n");
  add_entry(&root_fd, create_ifile(volume, FILET_DIR), "coin");
  printf("Création d'un fichier beuh\n");
  add_entry(&root_fd, create_ifile(volume, FILET_REG), "beuh");


  seek2_ifile(&root_fd, 0);
  printf("Listing du rép...\n");
  while( read_ifile(&root_fd, &ent, sizeof(struct entry_t)) != 0 )
    printf("* %s (%u)\n", ent.ent_basename, ent.ent_inumber);

  close_ifile(&root_fd);


  printf("Mise de l'inode 'root' en tant que '/' réel\n");
  struct superblock_desc_t sblock;
  load_super(volume, &sblock);
  sblock.first_inode = root;
  save_super(volume, &sblock);

  printf("ouveture...\n");
  open_ifile(volume, sblock.first_inode, &root_fd);

  printf("Listing du rép...\n");
  while( read_ifile(&root_fd, &ent, sizeof(struct entry_t)) != 0 )
    printf("* %s (%u)\n", ent.ent_basename, ent.ent_inumber);

  close_ifile(&root_fd);

  printf("Ajout d'un sous sous fichier au rép /coin (meuh)\n");
  struct file_desc_t coin_fd;
  inode_t meuh_no = inumber_of_basename(volume, sblock.first_inode, "coin");
  if ( meuh_no == 0 )
    return EXIT_FAILURE;

  open_ifile(volume, meuh_no, &coin_fd);
  add_entry(&coin_fd, create_ifile(volume, FILET_REG), "meuh");
  close_ifile(&coin_fd);


  printf("Test des fonctions basename...\n");
  printf("Inumber_of_basename(): \n");
  printf("plop ds / : %d\n", inumber_of_basename(volume, sblock.first_inode, "plop"));
  printf("coin ds / : %d\n", inumber_of_basename(volume, root, "coin"));

  printf("Inumber_of_path(): \n");
  printf("/plop : %d\n", inumber_of_path(volume, "/plop"));
  printf("/coin : %d\n", inumber_of_path(volume, "/coin"));
  printf("/ : %d\n", inumber_of_path(volume, "/"));
  printf("/coin/meuh : %d\n", inumber_of_path(volume, "/coin//meuh"));

  const char *res;
  printf("Dinumber_of_path(): \n");
  printf("/plop : %d\n", dinumber_of_path(volume, "/plop", &res));
  printf("Res = %s\n", res);
  printf("/coin : %d\n", dinumber_of_path(volume, "/coin", &res));
  printf("Res = %s\n", res);
  printf("/ : %d\n", dinumber_of_path(volume, "/", &res));
  printf("Res = %s\n", res);
  printf("/coin/meuh : %d\n", dinumber_of_path(volume, "/coin//meuh", &res));
  printf("Res = %s\n", res);

   
  return EXIT_SUCCESS;
}