/**
 * metadata.C: Metadata management
 * Rights to this code are documented in doc/pod/license.pod.
 *
 * Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team
 */

#include "atheme.h"
#include <account/chanacs.h>
#include <account/mychan.h>
#include <account/mymemo.h>
#include <account/mynick.h>
#include <account/myuser.h>
#include <account/metadata.h>

/*******************
 * M E T A D A T A *
 *******************/

has_metadata::callbacks has_metadata::callback;

metadata *
has_metadata::add_metadata (char const * const name, char const * const value)
{
  bool is_private = false;
  char *newname   = sstrdup (name);
  char *newvalue  = sstrdup (value);
  metadata::map_type::iterator it = mdmap.find (newname);

  callback.metadata_change (this, name, value);
  if (it != mdmap.end ())
    {
      metadata *md = it->second;
      is_private = md->is_private;
      mdmap.erase (it);
      delete md;
    }

  if (is_private || !strncmp ("private:", name, 8))
    is_private = true;

  return mdmap[newname] = new metadata (newname, newvalue, is_private);
}

bool
has_metadata::del_metadata (char const * const name)
{
  metadata::map_type::iterator it = mdmap.find (name);

  callback.metadata_change (this, name, NULL);

  if (it != mdmap.end ())
    {
      mdmap.erase (it);
      delete it->second;
      return true;
    }

  return false;
}

metadata *
has_metadata::find_metadata (char const * const name)
{
  metadata::map_type::iterator it = mdmap.find (name);
  if (it != mdmap.end ())
    return it->second;

  return NULL;
}

void
has_metadata::clear_metadata (void)
{
  metadata::map_type::iterator it = mdmap.begin ();
  metadata::map_type::iterator et = mdmap.end ();

  while (it != et)
    {
      callback.metadata_change (this, it->second->key, NULL);
      delete it->second;
      ++it;
    }

  mdmap.clear ();
}