/*
 * test strmap from http://pokristensson.com/strmap.html
 *
 * $ gcc test_strmap.c strmap.c jims_utils.c -o test_strmap
 * $ ./test_strmap
 *
 */

#include "strmap.h"
#include "jims_utils.h"
#include <stdio.h>
#include <stdlib.h>

// string of nth alphabet letter, i.e. nth_letter(3) is "c"
char* nth_alpha(int n){
  char* letter = calloc(4, sizeof(char));
  letter[0] = letter[1] = (char)((int)'a' + n);
  return letter;
}

// iteration callback for loop over hash table.
static void iter(const char *key, const char *value, const void *obj){
  printf(" key: %s value: %s\n", key, value);
}

int main(){
  StrMap *strmap;
  char buf[255];
  int result;
  char* letter, number;
  char* c = "c";
  int hash_size = 10;
  int n_pairs = 9;
  int i;

  printf("-- making hash table with %i slots -- \n", hash_size);
  strmap = strmap_new(10);
  if (strmap == NULL){
     printf("error creating hash table\n");
     exit(1);
  }

  printf("-- inserting %i (aa,1) (bb,2) ... pairs --\n", n_pairs);
  for (i=0; i < n_pairs; i++){
    strmap_put(strmap, nth_alpha(i), itoa(i+1));
  }

  printf("-- number of pairs in hash table = %i -- \n", strmap_get_count(strmap));
  printf("-- number of collisions in hash table = %i -- \n", strmap_get_collisions(strmap));

  printf("-- looping over hash table, printing out key,value --\n");
  strmap_enum(strmap, iter, NULL);

  printf("-- dumping hash table --\n");
  strmap_dump(strmap);

  printf("-- fetching value for \"%s\" --\n", c);
  result = strmap_get(strmap, c, buf, sizeof(buf));
  if (result == 0){ 
    printf("error fetching \"%s\" \n", c);
    exit(0);
  }
  printf("value of \"%s\" is \"%s\"\n", c, buf);

  exit(0);
}