function bbp_toggle_topic( $args = array() ) {

	// Parse the arguments
	$r = bbp_parse_args( $args, array(
		'id'         => 0,
		'action'     => '',
		'sub_action' => '',
		'data'       => array()
	) );

	// Build the nonce suffix
	$nonce_suffix = bbp_get_topic_post_type() . '_' . (int) $r['id'];

	// Default return values
	$retval = array(
		'status'      => 0,
		'message'     => '',
		'redirect_to' => bbp_get_topic_permalink( $r['id'], bbp_get_redirect_to() ),
		'view_all'    => false
	);

	// What action are we trying to perform?
	switch ( $r['action'] ) {

		// Toggle approve/unapprove
		case 'bbp_toggle_topic_approve' :
			check_ajax_referer( "approve-{$nonce_suffix}" );

			$is_pending         = bbp_is_topic_pending( $r['id'] );
			$retval['view_all'] = ! $is_pending;

			// Toggle
			$retval['status'] = ( true === $is_pending )
				? bbp_approve_topic( $r['id'] )
				: bbp_unapprove_topic( $r['id'] );

			// Feedback
			$retval['message'] = ( true === $is_pending )
				? __( '<strong>ERROR</strong>: There was a problem approving the topic.',   'bbpress' )
				: __( '<strong>ERROR</strong>: There was a problem unapproving the topic.', 'bbpress' );

			break;

		// Toggle open/close
		case 'bbp_toggle_topic_close' :
			check_ajax_referer( "close-{$nonce_suffix}" );

			$is_open = bbp_is_topic_open( $r['id'] );

			// Toggle
			$retval['status'] = ( true === $is_open )
				? bbp_close_topic( $r['id'] )
				: bbp_open_topic( $r['id'] );

			// Feedback
			$retval['message'] = ( true === $is_open )
				? __( '<strong>ERROR</strong>: There was a problem closing the topic.', 'bbpress' )
				: __( '<strong>ERROR</strong>: There was a problem opening the topic.', 'bbpress' );

			break;

		// Toggle sticky/super-sticky/unstick
		case 'bbp_toggle_topic_stick' :
			check_ajax_referer( "stick-{$nonce_suffix}" );

			$is_sticky = bbp_is_topic_sticky( $r['id'] );
			$is_super  = false === $is_sticky && ! empty( $_GET['super'] ) && ( "1" === $_GET['super'] ) ? true : false;

			// Toggle
			$retval['status'] = ( true === $is_sticky )
				? bbp_unstick_topic( $r['id'] )
				: bbp_stick_topic( $r['id'], $is_super );

			// Feedback
			$retval['message'] = ( true === $is_sticky )
				? __( '<strong>ERROR</strong>: There was a problem unsticking the topic.', 'bbpress' )
				: __( '<strong>ERROR</strong>: There was a problem sticking the topic.',   'bbpress' );

			break;

		// Toggle spam
		case 'bbp_toggle_topic_spam' :
			check_ajax_referer( "spam-{$nonce_suffix}" );

			$is_spam            = bbp_is_topic_spam( $r['id'] );
			$retval['view_all'] = ! $is_spam;

			// Toggle
			$retval['status'] = ( true === $is_spam )
				? bbp_unspam_topic( $r['id'] )
				: bbp_spam_topic( $r['id'] );

			// Feedback
			$retval['message'] = ( true === $is_spam )
				? __( '<strong>ERROR</strong>: There was a problem unmarking the topic as spam.', 'bbpress' )
				: __( '<strong>ERROR</strong>: There was a problem marking the topic as spam.',   'bbpress' );

			break;

		// Toggle trash
		case 'bbp_toggle_topic_trash' :

			switch ( $r['sub_action'] ) {
				case 'trash':
					check_ajax_referer( "trash-{$nonce_suffix}" );

					$retval['view_all']    = true;
					$retval['status']      = wp_trash_post( $r['id'] );
					$retval['message']     = __( '<strong>ERROR</strong>: There was a problem trashing the topic.', 'bbpress' );
					$retval['redirect_to'] = current_user_can( 'view_trash' )
						? bbp_get_topic_permalink( $r['id'] )
						: bbp_get_forum_permalink( bbp_get_topic_forum_id( $r['id'] ) );

					break;

				case 'untrash':
					check_ajax_referer( "untrash-{$nonce_suffix}" );

					$retval['status']      = wp_untrash_post( $r['id'] );
					$retval['message']     = __( '<strong>ERROR</strong>: There was a problem untrashing the topic.', 'bbpress' );
					$retval['redirect_to'] = bbp_get_topic_permalink( $r['id'] );

					break;

				case 'delete':
					check_ajax_referer( "delete-{$nonce_suffix}" );

					$retval['status']      = wp_delete_post( $r['id'] );
					$retval['message']     = __( '<strong>ERROR</strong>: There was a problem deleting the topic.', 'bbpress' );
					$retval['redirect_to'] = bbp_get_forum_permalink( $retval['status']->post_parent );

					break;
			}

			break;
	}

	// Add view all if needed
	if ( ! empty( $retval['view_all'] ) ) {
		$retval['redirect_to'] = bbp_add_view_all( $retval['redirect_to'], true );
	}

	// Filter & return
	return apply_filters( 'bbp_toggle_topic', $retval, $r, $args );
}