#include <stdio.h>
#include <stdint.h>
#include <assert.h>

#include <physio.h>

#include "mbr.h"
#include "volumes.h"

void format_volume(unsigned int partition)
{
  /* TODO */
}

void dump_volume(struct vol_desc_t *vol)
{
  printf("Magic key : %x\n", vol->magic_key);
  printf("Num Cylindres : %u\n", vol->num_cyl);
  printf("Num Secteurs : %u\n", vol->num_sec);
  printf("Size (en secteurs) : %u\n", vol->size);

  switch( vol->vol_type )
    {
    case VOLT_BASE:
      printf("Type : Base\n");
      break;
    case VOLT_ANNEX:
      printf("Type : Annex\n");
      break;
    case VOLT_OTHER:
      printf("Type : Other\n");
      break;
    default:
      printf("Unrecognized volume type !\n");
    }

}

uint16_t cylinder_of_block(unsigned int vol, uint32_t bloc)
{
  struct mbr_desc_t mbr;
  load_mbr(&mbr);

  struct dskinfo_t info = dskinfo();
  
  struct vol_desc_t v = mbr.volume[vol];

  return v.num_cyl + ((bloc + v.num_sec) / info.nb_sec);
}

uint16_t sector_of_block(unsigned int vol, uint32_t block) 
{
  struct mbr_desc_t mbr;
  load_mbr(&mbr);

  struct dskinfo_t info = dskinfo();

  struct vol_desc_t v = mbr.volume[vol];

  return (block + v.num_sec) % info.nb_sec;
}