#include <list.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

list_t *
list_create(size_t element_size)
{
  list_t *list = malloc(sizeof(list_t));
  if (list == NULL)
    return NULL;

  list->element_size = element_size;
  list->size = 0;
  list->max = START_SIZE;
  list->elements = (uint8_t *) calloc(list->max, list->element_size);

  return list;
}

void
list_add(list_t *list, void *element)
{
  if (list->size == list->max) {
    list->max += INCREMENT_BY;
    list->elements
        = (uint8_t *) realloc(list->elements, list->element_size * list->max);
    if (list->elements == NULL) {
      /* TODO: Handle error */
      printf("Failed to reallocate array\n");
      return;
    }
  }

  void *new_element = list->elements + list->element_size * list->size;
  new_element = memcpy(new_element, element, list->element_size);

  if (new_element == NULL)
    printf("Failed to add a new element\n");

  list->size++;
}

void *
list_get(list_t *list, size_t i)
{
  return list->elements + (i * list->element_size);
}

void
list_delete(list_t *list)
{
  free(list->elements);
  free(list);
}