// Filter Highligher

//

// Adds style and title text to links to edit filters, showing filter status, actions, etc.

//

//<nowiki>



(function() {



var have_css = false;



function filter_highlighter($content) {

	var config = { 	// Default configuartion

		// Local name of abuse filter pages

		filter_page: "Special:AbuseFilter",



		// Don't bother fetching filter info unless our copy is this old

		cache_seconds : 30 * 60,



		// Stylesheet, or null for none

		style : "User:Suffusion of Yellow/filter-highlighter.css",



		// Show title text?

		show_title: true,



		// Highlight background of Special:AbuseFilter/nnn?

		style_editor: false,



		// Probably no need to change anything here

		max_filters: 2000,

		max_query_size: 500

	};



	var wconfig = window.filterHighlighterConfig || {};

	for (var conf in wconfig)

		if (config.hasOwnProperty(conf) && wconfig.hasOwnProperty(conf))

			configconf = wconfigconf];



	var start = config.max_filters, end = 0;

	var links = [];



	// Find anything that looks like a sane link to a local abuse filter, and index it by filter id for later use

	var match_re = new RegExp("^" + mw.config.get('wgArticlePath').replace("$1", config.filter_page + "/([0-9]{1,4})") + "$");



	$content.find('a[href*="' + config.filter_page + '"]').each(function(index, link) {

		var uri = new mw.Uri(link.href);

		var id_match = match_re.exec(uri.path);



		if (id_match && (uri.host === mw.config.get('wgServerName')

						 || uri.host === window.location.host)) {

			var id = id_match1];



			if (0 < id && id <= config.max_filters) {

				start = Math.min(start, id);

				end = Math.max(end, id);



				if (linksid !== undefined)

					linksid].push(link);

				else

					linksid = link];

			}

		}

	});



	var $form = $content.find("#mw-abusefilter-editing-form");

	var want_css = false;



	if (config.style && config.style_editor && $form.length) {

		style_editor();

		$('input[type=checkbox]').click(style_editor);

		want_css = true;

	}



	if (config.style && start <= end)

		want_css = true;



	// Load style if user hasn't opted-out

	if (want_css && !have_css) {

		var url = /^https?:\/\//.test(config.style) ? config.style :

			(mw.config.get('wgScriptPath') + "/index.php?title=" +

			 encodeURIComponent(config.style) + "&action=raw&ctype=text/css");



		mw.loader.load( url, 'text/css' );



		have_css = true;

	}



	if (start > end)

		return;



	// Normalize requests if caching

	if (config.cache_seconds > 0) {

		start = 1;

		end += config.max_query_size - 1;

		end -= end % config.max_query_size;

	}



	// Fetch the information for any relevant filters

	for (; start <= end; start += config.max_query_size) {

		(new mw.Api()).get( {

			action: 'query',

			list: 'abusefilters',

			abfprop: 'id|description|actions|hits|lasteditor|lastedittime|private|status',

			abfstartid: start,

			abflimit: Math.min(end - start + 1, config.max_query_size),

			maxage: config.cache_seconds,

			smaxage: config.cache_seconds

		}).done(mark_filters);

	}



	// Given a batch of filters, add CSS classes and title text to all the relevant links

	function mark_filters(response) {

		if (!response || !response.query || !response.query.abusefilters)

			return;



		response.query.abusefilters.forEach(function(filter) {

			if (linksfilter.id !== undefined)

				linksfilter.id].forEach(function(link) {

					if (config.show_title)

						link.title = filter_desc(filter);



					$(link).addClass(filter_classes(filter).join(" "));

				});

		});

	}



	// Given the filter parameters, return an human-readable string

	function filter_desc(filter) {

		var desc = "Filter " + filter.id + ": \"" + filter.description + "\" (";



		desc += (filter.private !== undefined) ? "private, " : "public, ";

		desc += (filter.deleted !== undefined) ? "deleted, " : "";

		desc += (filter.enabled !== undefined) ? "enabled, " : "disabled, ";



		desc += filter.actions ? filter.actions.replace(",", ", ") + ", " : "";

		desc += filter.hits + " hits, last modified by " + filter.lasteditor + " at " + filter.lastedittime + ")";



		return desc;

	}



	// Given the filter parameters, return an array of classes for styling

	function filter_classes(filter) {

		var actions = "throttle", "tag", "warn", "disallow", "blockautopromote", "block", "rangeblock", "degroup"];

		var classes = [];

		var real_action = false;



		classes.push((filter.private !== undefined) ? "filter-highlighter-private" : "filter-highlighter-public");

		classes.push((filter.deleted !== undefined) ? "filter-highlighter-deleted" : "filter-highlighter-notdeleted");

		classes.push((filter.enabled !== undefined) ? "filter-highlighter-enabled" : "filter-highlighter-disabled");



		actions.forEach(function(action) {

			if (filter.actions.includes(action)) {

				classes.push("filter-highlighter-" + action);



				// "throttle" with no other action is still just long-only

				if (action != "throttle")

					real_action = true;

			}

		});



		if (!real_action)

			classes.push("filter-highlighter-noaction");



		return classes;

	}



	// Add style to the filter editing form

	function style_editor() {

		$form.removeClass("filter-highlighter-public filter-highlighter-private filter-highlighter-noaction filter-highlighter-tag filter-highlighter-warn filter-highlighter-disallow filter-highlighter-blockautopromote");



		$form.addClass("filter-highlighter");



		if ($('[name=wpFilterHidden]').is(':checked'))

			$form.addClass("filter-highlighter-private");

		else

			$form.addClass("filter-highlighter-public");



		if (!$('[name=wpFilterEnabled]').is(':checked'))

			return;



		if ($('[name=wpFilterActionBlockautopromote]').is(':checked'))

			$form.addClass("filter-highlighter-blockautopromote");

		else if ($('[name=wpFilterActionDisallow]').is(':checked'))

			$form.addClass("filter-highlighter-disallow");

		else if ($('[name=wpFilterActionWarn]').is(':checked'))

			$form.addClass("filter-highlighter-warn");

		else if ($('[name=wpFilterActionTag]').is(':checked'))

			$form.addClass("filter-highlighter-tag");

		else

			$form.addClass("filter-highlighter-noaction");

	}

}



mw.loader.using(['mediawiki.api', 'mediawiki.Uri'],

				() => mw.hook('wikipage.content').add(filter_highlighter));



})();

//</nowiki>