#include "vector.h"

#define INITIAL_CAPACITY 2
#define RESIZE_FACTOR 2

vector* init_vector_with_init_cap(size_t initCap) {
  vector* v = (vector*)malloc(sizeof(vector));
  if(v == NULL)
    return NULL;

  v->size = 0;
  v->capacity = initCap;

  v->data = (vector_data**)malloc(v->capacity * sizeof(vector_data*));
  if(v->data == NULL) {
    free(v);
    return NULL;
  }
  return v;
}

vector* init_vector() {
  return init_vector_with_init_cap(INITIAL_CAPACITY);
}

void free_vector(vector* v) {
  //check
  for(int i = 0; i < v->size; i++) {
    free_vector_data(v->data[i]);
  }
  free(v->data);
  free(v);
}

static bool resize(vector* v) {
  size_t factor = RESIZE_FACTOR;
  vector_data** tmp = (vector_data**)realloc(v->data, factor * v->capacity * sizeof(vector_data*));
  if(tmp == NULL)
    return false;

  v->capacity *= factor;
  v->data = tmp;
  return true;
}

bool add_to_vector(vector* v, vector_data* data) {
  if(data == NULL)
    return false;

  if(v->size >= v->capacity)
    if(!resize(v))
      return false;

  v->data[v->size] = data;
  v->size++;
  return true;
}