#include "../../include/package.h"
#include "../../include/types.h"
#include "../../include/error.h"
#include "../../include/util.h"

#include <stdlib.h>
#include <string.h>

size_t lm_package_keep_count(lm_pkg_t *pkg){
  size_t index = 0;

  if(NULL == pkg->keeps)
    return index;

  while(pkg->keeps[index] != NULL)
    index++;

  return index;
}

bool lm_package_keep_add(lm_pkg_t *pkg, char *path){
  if(NULL == path){
    lm_error_set(LM_ERR_ArgNULL);
    return false;
  }

  if(NULL == pkg->keeps){
    pkg->keeps = malloc(sizeof(char*)*2);
    pkg->keeps[0] = strdup(path);
    pkg->keeps[1] = NULL;
    return true;
  }

  size_t count = lm_package_depend_count(pkg);
  pkg->keeps = realloc(pkg->depends, sizeof(char*)*(count+2));
  pkg->keeps[count++] = strdup(path);
  pkg->keeps[count] = NULL;
  return true;
}

bool lm_package_keep_contains(lm_pkg_t *pkg, char *path){
  if(NULL == pkg || NULL == path){
    lm_error_set(LM_ERR_ArgNULL);
    return false;
  }

  if(NULL == pkg->keeps)
    return false;

  for(int i = 0; NULL != pkg->keeps[i]; i++)
    if(eq(pkg->keeps[i], path))
      return true;

  return false;
}

void lm_package_keep_free(lm_pkg_t *pkg){
  if(NULL == pkg)
    return;
  
  if(NULL == pkg->keeps)
    return;

  for(int i = 0; pkg->keeps[i] != NULL; i++)
    free(pkg->keeps[i]);
  free(pkg->keeps);

  pkg->keeps = NULL;
}