#include <stdlib.h>

#include "lsm.h"
#include "lsm/store_internal.h"

lsm_error lsm_entry_init(lsm_entry **ptr) {
  lsm_entry *entry = calloc(1, sizeof(lsm_entry));

  if (entry == NULL) {
    return lsm_error_failed_alloc;
  }

  *ptr = entry;

  return lsm_error_ok;
}

bool lsm_entry_attr_present(lsm_entry *entry, lsm_attr_type type) {
  return (entry->attrs.bitmap & type) != 0;
}

lsm_error lsm_entry_attr_get(lsm_str **out, lsm_entry *entry,
                             lsm_attr_type type) {
  if (!lsm_entry_attr_present(entry, type)) {
    return lsm_error_not_found;
  }

  for (uint64_t i = 0; i < entry->attrs.count; i++) {
    if (entry->attrs.items[i].type == type) {
      *out = &entry->attrs.items[i].str;

      return lsm_error_ok;
    }
  }

  return lsm_error_not_found;
}