if (@txpinterface == 'admin') {
	register_callback("smd_article_info", "article");
}

// Client-side info
function smd_article_stats($atts, $thing=NULL) {
	global $thisarticle;

	assert_article();

	extract(lAtts(array(
		'wraptag' => '',
		'class' => __FUNCTION__,
		'break' => '',
		'label' => '',
		'labeltag' => '',
		'item' => '',
	), $atts));

	$out = array();
	$item = do_list($item);
	$out[] = smd_article_info_count($item, $thisarticle['body'], $thisarticle['excerpt'], $thisarticle['title']);

	return doLabel($label, $labeltag).doWrap($out, $wraptag, $break, $class);
}

// Admin-side info -- auto-updated via jQuery
function smd_article_info($event, $step) {
	extract(gpsa(array('view')));

	if(!$view || gps('save') || gps('publish')) {
		$view = 'text';
	}

	if ($view == 'text') {
		$screen_locs = array(
			'none' => '',
			'excerpt_below' => 'da|article-main',
			'status_above' => 'jq|#write-status|before',
			'title_above' => 'jq|#article-main|prepend',
			'textile_help_above' => 'jq|#article-col-1|prepend',
			'textile_help_below' => 'jq|#textile_help|after',
		);

		// Check hidden pref and sanitize
		$posn = get_pref('smd_article_stats_pos', 'status_above');
		$posn = (array_key_exists($posn, $screen_locs)) ? $posn : 'status_above';
		$placer = explode('|', $screen_locs[$posn]);

		$id = (empty($GLOBALS['ID']) ? gps('ID') : $GLOBALS['ID']);
		$item = array('excerpt', 'body');
		if (empty($id)) {
			$rs = array('Body' => '', 'Excerpt' => '', 'Status' => '');
		} else {
			$rs = safe_row('Body, Excerpt, Status', 'textpattern', 'ID='.doSlash($id));
		}

		$bwc = smd_article_info_count($item, $rs['Body'], '', '');
		$ewc = smd_article_info_count($item, '', $rs['Excerpt'], '');
		$words = $bwc + $ewc;
		$idlink = ($id && in_array($rs['Status'], array(4,5))) ? '<a href="' .permlinkurl_id($id).'">' .$id. '</a>' : $id;
		$out1 = '<fieldset><legend>Article Stats</legend><span class="smd_article_stats_wc">'.$words.'</span> word<span class="smd_article_stats_wd">'.(($words==1)?'':'s').'</span>: ( <span class="smd_article_stats_bc">'.$bwc.'</span> / <span class="smd_article_stats_ec">'.$ewc.'</span> )'.(($id) ? ' | id: ' .$idlink : '').'</fieldset>';
		$out2 = <<<EOJS
<script type="text/javascript">
jQuery(function() {
	jQuery("#body, #excerpt").keyup(function() {
		var bdy = jQuery("#body").val();
		bdy += (bdy.length>0) ? " " : "";
		var exc = jQuery("#excerpt").val();
		exc += (exc.length>0) ? " " : "";
		var bwc = bdy.replace(/(<([^>]+)>)/ig,"").split(/\s+/).length-1;
		var ewc = exc.replace(/(<([^>]+)>)/ig,"").split(/\s+/).length-1;
		var wds = bwc+ewc;
		jQuery(".smd_article_stats_wc").text(wds);
		jQuery(".smd_article_stats_wd").text(((wds==1)?"":"s"));
		jQuery(".smd_article_stats_bc").text(bwc);
		jQuery(".smd_article_stats_ec").text(ewc);
	});
});
</script>
EOJS;
		if ($placer[0] == 'jq') {
			echo '<script type="text/javascript">jQuery(function() { jQuery("'.$placer[1].'").'.$placer[2].'(\''.$out1.'\'); });</script>'.$out2;
		} else if ($placer[0] == 'da') {
			echo dom_attach($placer[1], $out1.$out2, $out1, 'div');
		}
	}
}

// Library function
function smd_article_info_count($item, $body, $excerpt, $title) {
	$words = 0;
	$notags = '/(<([^>]+?)>)/';
	$body = preg_replace($notags, '', trim($body)) . ((strlen($body)==0) ? '' : ' ');
	$excerpt = preg_replace($notags, '', trim($excerpt)) . ((strlen($excerpt)==0) ? '' : ' ');
	$title = preg_replace($notags, '', trim($title)) . ((strlen($title)==0) ? '' : ' ');

	foreach ($item as $whatnot) {
		switch ($whatnot) {
			case "body":
				$words += preg_match_all('@\s+@', $body, $m);
				break;
			case "excerpt":
				$words += preg_match_all('@\s+@', $excerpt, $m);
				break;
			case "title":
				$words += preg_match_all('@\s+@', $title, $m);
				break;
		}
	}
	return $words;
}