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

#include "request_list.h"

int main(int argc, char *argv[])
{
  rlist *el = rlist_create(10);

  for (int i = 1; i < argc + 1; i += 2)
    {
      request r = {argv[i], argv[i + 1]};
      rlist_add(el, &r);
    }

  printf("--- VIA GET ---\n");
  for (int i = 0; i < rlist_size(el); i++)
    {
      request r;
      rlist_get(el, i, &r);
      printf("%s %s\n", r.user, r.position);
      free(r.user);
      free(r.position);
    }

  printf("--- VIA ITERATOR ---\n");
  rlist_iterator *i = rlist_start(el);
  while (!rlist_iterator_at_end(i))
    {
      request r;
      rlist_iterator_get(i, &r);
      printf("%s %s\n", r.user, r.position);
      free(r.user);
      free(r.position);
      rlist_iterator_next(i);
    }
  rlist_iterator_destroy(i);

  // remove all items matching some criteria (user = "jrg" in this example)
  // O(n) for a linked list; O(n^2) for an array list
  printf("--- REMOVING jrg ---\n");
  i = rlist_start(el);
  while (!rlist_iterator_at_end(i))
    {
      request r;
      rlist_iterator_get(i, &r);
      if (strcmp(r.user, "jrg") == 0)
	{
	  rlist_iterator_remove(i);
	}
      else
	{
	  rlist_iterator_next(i);
	}
            
      free(r.user);
      free(r.position);
    }
  rlist_iterator_destroy(i);
  
  i = rlist_start(el);
  while (!rlist_iterator_at_end(i))
    {
      request r;
      rlist_iterator_get(i, &r);
      printf("%s %s\n", r.user, r.position);
      free(r.user);
      free(r.position);
      rlist_iterator_next(i);
    }
  rlist_iterator_destroy(i);
  
  rlist_destroy(el);
}