#!/usr/bin/php

<?php

#######################################################################
#API URL
#http://localhost/mediawiki/api.php?action=query&meta=siteinfo&siprop=statistics&format=json

#JSON OUTPUT
#{"query":{"statistics":{"pages":1695,"articles":42,"views":91812,"edits":2958,"images":170,"users":25,"activeusers":6,"admins":1,"jobs":0}}}

#USAGE
#ln -s /usr/share/munin/plugins/mediawiki /etc/munin/plugins/mediawiki_views
#######################################################################

$server = "http://localhost/mediawiki";
$wikiname = "Wiki";
//$suffix = "views";

$basename = preg_replace( '/^.+[\\\\\\/]/', '', $_SERVER['PHP_SELF'] );
$suffix = explode("_",$basename);
$suffix = $suffix[1];

$param = "";
if(sizeof($argv)>1)
  $param = $argv[1];

switch ($param) {
case "config":

print <<<CONFIG
graph_title $wikiname $suffix
graph_vlabel number
graph_category wiki
graph_scale no
graph_info Reads the total number of $suffix from $wikiname\n
CONFIG;

switch ($suffix) {

case "views":
print <<<VIEWS
views.info Total number of page views
views.label views
views.type COUNTER\n
VIEWS;
break;

case "edits":
print <<<EDITS
edits.info Total number of page edits
edits.label edits
edits.type COUNTER\n
EDITS;
break;

case "articles":
print <<<ARTICLES
articles.info Total number of 'good' pages (articles)
articles.label articles
articles.type GAUGE\n
ARTICLES;
break;

case "pages":
print <<<PAGES
pages.info Total number of all pages
pages.label pages
pages.type GAUGE\n
PAGES;
break;

case "users":
print <<<USERS
users.info Total number of user accounts
users.label users
users.type GAUGE\n
USERS;
break;

case "images":
print <<<IMAGES
images.info Total number of uploaded images
images.label images
images.type GAUGE\n
IMAGES;
break;

case "admins":
print <<<ADMINS
admins.info Total number of admins (sysops)
admins.label admins
admins.type GAUGE\n
ADMINS;
break;

default:
print <<<ERROR
Error: link me as mediawiki_<type>, where type can be one of: views, edits, articles, pages, users, images or admins.\n
ERROR;
}

}


$s = file_get_contents($server."/api.php?action=query&meta=siteinfo&siprop=statistics&format=json");
$json = json_decode($s);
$value = $json->{'query'}->{'statistics'}->{$suffix};

switch ($suffix) {

case "views":
print "views.value $value\n";
break;

case "edits":
print "edits.value $value\n";
break;

case "articles":
print "articles.value $value\n";
break;

case "pages":
print "pages.value $value\n";
break;

case "users":
print "users.value $value\n";
break;

case "images":
print "images.value $value\n";
break;

case "admins":
print "admins.value $value\n";
break;

default:
print "link me as mediawiki_<type>, where type can be one of: views, edits, articles, pages, users, images or admins. \n";
}

?>