// Get the name of the "Page" namespace from mw.config
self.page_namespace = mw.config.get('wgNamespaceIds').page;
self.page_namespace = mw.config.get('wgFormattedNamespaces')[self.page_namespace];

// Until we can use dependencies to ensure load of Base.js first, we need this and window.ws_msg
// in this script.
if(!self.ws_messages) self.ws_messages = { };

window.ws_msg = function (name) {
   var m = self.ws_messages[name];
   if(m) return m; else return name;
};

function match_callback(data) {
   var sp = document.getElementById("wpRobot");
   if(sp) sp.innerHTML = "";

   if (data.error) {
       alert(data.text);
   } else {
       window.location.href=window.location.href;
   }
}

function request_url(cmd) {
    return "//phetools.toolforge.org/match_and_split.php?cmd=" + cmd +
         "&title=" + mw.config.get('wgPageName') + "&lang=" + 
         mw.config.get('wgContentLanguage') + "&user=" + mw.config.get('wgUserName') + "&server=" + mw.config.get('wgServer');
}

function do_match(){
    var sp = document.getElementById("wpRobot");
    if(sp) sp.innerHTML = ws_msg('matching')+"…";

    $.getJSON(request_url('match')).done(match_callback);
}

function add_match_button(){
    $("span.mw-headline").each(function () {
        if ($(this).attr('id').substring(0, 7) == "MATCH_:") {
            var html = $(this).html();
            html = html.replace('__MATCH__:','<span id="wpRobot"><a href="javascript:do_match();">'+ '__MATCH__:' + '</a></span>');
            $(this).html(html);
        }
    });
}

function do_split() {
    var sp = document.getElementById("wpRobot");
    if(sp) sp.innerHTML = ws_msg('splitting')+"…";

    $.getJSON(request_url('split')).done(match_callback);
}

function add_split_button() {
    var prefix = self.page_namespace+":";
    $("span.mw-headline").each(function () {
        if ($(this).attr('id').substring(0, prefix.length) == prefix) {
        	var a;
            if ( mw.config.get('skin')=="vector" )
                a = document.getElementById("p-namespaces");
            else
                a = document.getElementById("p-cactions");
            if (!a)
                return false;
            var b = a.getElementsByTagName("ul");
            if (!b)
                return false;
            b[0].innerHTML = b[0].innerHTML  + '<li id="ca-split">' + '<span id="wpRobot"><a href="javascript:do_split();"><span>split</span></a></span></li>';

            return false;
        }				
    });
}

if (mw.config.get("wgCanonicalNamespace") !== 'Page' ) {
	$(add_match_button);
	$(add_split_button);
	if ({ edit:1, submit:1 }[mw.config.get('wgAction')]) {
		mw.loader.using('mediawiki.toolbar', function () {
			if (mw.toolbar) {
				mw.toolbar.addButton(
					'//upload.wikimedia.org/wikipedia/commons/9/97/Template_button.png',
					'Match',
					'==__MATCH__:[[',
					']]==',
					'',
					'mw-editbutton-match'
				);
			}
		});
	}
}