(function($, mw){
	'use strict';
	var wgPageName = mw.config.get('wgPageName');
	var wgUserName = mw.config.get('wgUserName');
	var wgNamespaceNumber = mw.config.get('wgNamespaceNumber');
	var jsPage = false;
	// Never do anything in article space
	if (wgNamespaceNumber === 0){
		return;
	}
	// Handle .js pages
	if ((wgPageName.lastIndexOf('.js') == wgPageName.length - 3) && (mw.config.get('wgAction') == 'view') && (wgNamespaceNumber > -1)) {
		// Exclude users' own common.js and skin.js pages
		var fixedUn = wgUserName.replace(/ /g,'_');
		if ((wgPageName != 'User:' + fixedUn + '/common.js') && 
			(wgPageName != 'User:' + fixedUn + '/monobook.js') &&
			(wgPageName != 'User:' + fixedUn + '/minerva.js') &&
			(wgPageName != 'User:' + fixedUn + '/vector.js') &&
			(wgPageName != 'User:' + fixedUn + '/modern.js') &&
			(wgPageName != 'User:' + fixedUn + '/cologneblue.js') &&
			(wgPageName != 'User:' + fixedUn + '/timeless.js') &&
			(wgPageName != 'User:Equazcion/ScriptInstaller.js')){
				importStylesheet('User:Equazcion/ScriptInstaller.css');
				// Set a flag so the rest of the script knows we're on a .js page
				jsPage = true;
				// Append the install link to the header, along with a "scriptInstallerLink" class for use by the rest of the script
				$('h1#firstHeading').append('');
		}
	}
	// If script links are found on the page, start the music. Detection is based on span tags with "scriptInstallerLink" class, which are added by {{userscript}}.
	// Also run if we're on User:Equazcion/scriptInstaller, where we'll simply provide access to the installed script list and uninstall links
	if ((($('span.scriptInstallerLink').length > 0) && (mw.config.get('wgAction') != 'submit') && (mw.config.get('wgAction') != 'edit')) || (wgPageName == 'User:Equazcion/ScriptInstaller')){
		if (jsPage !== true) {
			importStylesheet('User:Equazcion/ScriptInstaller.css'); // Stylesheet already fetched above on .js pages
		}
		if (wgPageName == 'User:Equazcion/ScriptInstaller') {
			var homePage = true; // Set a flag if we're running the limited User:Equazcion/ScriptInstaller functions
		}
		// Set URL prefix
		var pre = location.protocol + '//' + mw.config.get('wgPageContentLanguage') + '.' + mw.config.get('wgNoticeProject') + '.org' + '/search/?title=';
		// Set interface text
		var installerTitle = 'You currently have the following scripts installed <a href="https://u3vuiephb.global.ssl.fastly.net' + pre + 'User:Equazcion/ScriptInstaller' + '">Script Installer</a>';
		var installerMessage = 'Only scripts installed using Script Installer are shown here. To uninstall a script, click "Uninstall".'; 
		var pipe = ' | ';
		var installerLink = 'Install';
		var installed = 'Installed';
		var unInstallerLink = 'Uninstall';
		var noauto = 'Must be installed manually';
		// Set up the regex pattern for later
		var regexObject = new RegExp( 'importScript\\(\'(.*)\'\\); \\/\\/Linkback: \\\\] Added by Script installer' , );
		// Create array for installed script paths
		var installedScripts = ;
		// Append the box of installed scripts. Hide unless we're on a designated installation page
		$('div#contentSub').after('');
		// Set parameters for common.js ajax request	
		var request4 = {
			action:"query", 
			titles: "User:" + mw.config.get("wgUserName") + "/common.js", 
			prop: "revisions|info", 
			intoken: "edit", 
			rvprop: "content",
			indexpageids: 1,
			format: "xml"
		};
		// Do common.js ajax request
		$.get(mw.config.get("wgScriptPath")+"/api.php", request4, function(response4){
			// Grab common.js content and split by lines 
			var lines = $(response4).find('rev').text().split('\n');
			// Use the regex to iterate through the lines, looking for the ones that ScriptInstaller added
			$.each(lines, function(index, value){
				var match = regexObject.exec(value);
				// Put the paths of the matches into the array of installed scripts
				if (match !== null){
					installedScripts.push(match);
				}
			});
			// If none were found, remove the installed script list box. Otherwise fade-in the box and set up the toggle link
			if (installedScripts.length < 1){
				$('div.scriptInstaller').remove();
			} else if ((wgPageName == 'Misplaced Pages:WikiProject_User_scripts/Scripts') || (wgPageName == 'Misplaced Pages:WikiProject_User_scripts') || 
				(wgPageName == 'Misplaced Pages:User_scripts') || (jsPage === true) || (homePage === true)){
				// Insert script list toggle link
				var toggleMessage = ((jsPage === true) || (homePage === true)) ? 'Show installed script list' : 'Hide installed script list';
				$('.firstHeading').append(' <a href="#bbx">' + toggleMessage + '</a>');
				// The function to set the toggle link to
				function setScriptInstallerToggle(){
					$('.scriptinstallerTog').click(function(){
						if ($('.scriptinstallerTog').html() == "Show installed script list"){
							$('.scriptInstaller').fadeIn(500);
							$('.scriptinstallerTog').html('Hide installed script list');
						} else {
							$('.scriptInstaller').fadeOut(200);
							$('.scriptinstallerTog').html('Show installed script list');
						}
					});
				}
				// Set the toggle link function. Also fade the box in initially, if we're at the script listing page.
				if ((jsPage !== true) && (homePage !== true)){ 
					setTimeout(function(){
						$('.scriptInstaller').fadeIn(800, function(){ setScriptInstallerToggle(); });
					}, 500);
				} else {
					setScriptInstallerToggle();
				}					
			}
			// Start building the code for display of the installed list. Iterate through each installed script in the array
			var installedList = '<ul>';
			$.each(installedScripts, function(index, value){
				// For each script already installed, change the install links (into "installed" messages) that are on the current page (if any)
				$('span.scriptInstallerLink')
					.attr('id','installed' + index)
					.addClass('installed')
					.html(installed)
					.css('font-weight','bold');
				if (jsPage === true)
					$('span.scriptInstallerLink')
						.attr('id','installed' + index)
						.addClass('installed')
						.html(installed)
						.css('font-weight','bold');
				// Add an HTML list element for each installed script, containing .js and uninstall links
				installedList = installedList + '<li>' + 
					'<a href="#installerLink">' + unInstallerLink + '</a>: ' +
					'<a href="https://u3vuiephb.global.ssl.fastly.net' + pre + value + '">' + decodeURIComponent(value) + '</a>' + 
				'</li>'; 
			});
			// Cap off the list of installed scripts
			installedList = installedList + '</ul>';
			// Build and append the rest if the list box code, and insert our constructed list of installed scripts
			$('.scriptInstaller').html('' + installerTitle + '' +	
			'' + 
					'' + installerMessage + '' + 
					'' + installedList + '' + 
			'');
			// Iterate through each line in the installed list and set the click function for their uninstall links
			$('.scriptInstaller li').each(function(){
				var path = $(this).find('a:last').html();
				$(this).find('a:first').click(function(){
					$('body').append('');					
					$('body').prepend('');
					$('.arcProg').append('Uninstalling ' + path + '...');
					// Set parameters for the first uninstall ajax request that occurs when the uninstall link is clicked
					var request5 = {
						action:"query", 
						titles: "User:" + mw.config.get("wgUserName") + "/common.js", 
						prop: "revisions|info", 
						intoken: "edit", 
						rvprop: "content",
						indexpageids: 1,
						dataType: "xml",
						format: "xml"
					};
					// Send the request
					$.get(mw.config.get("wgScriptPath")+"/api.php", request5, function(response5){
						//Grab common.js content and find/replace our line with nothing, thereby removing the script
						var content = $(response5).find('rev').text();
						var newText = content.replace("\n" + "importScript('" + path + "'); //Linkback: ] Added by Script installer", "");
						// Set paraemeters for the ajax post that replaces common.js with our edited version
						var request6 = {
							action : "edit",
							title : "User:" + mw.config.get("wgUserName") + "/common.js", 
							text : newText,
							summary : "]: Removed ]",
							token: mw.user.tokens.get("csrfToken")
						};
						// Send the ajax post to save the new common.js, then reload the current page
						$.post(mw.config.get("wgScriptPath")+"/api.php", request6, function(response6){
							$('.arcProg').append('Done! Reloading...');
							location.reload();
						});
					});
				});
			});
		});
		// Iterate through each templated (via {{userscript}}) script on the page
		$('span.scriptInstallerLink').each(function(){
			// Get the script path, which the template places in the span's ID
			var path = $(this).attr('id');
			path = path.replace(/.2F/g,'/').replace(/\_/g,' ');
			// If there's more than one dot left in the path, assume percent encoding was converted to dots. Leave the last dot for ".js"
			if ((path.split(".").length - 1) > 1){
				var parts = path.split('.');
	    		path = parts.slice(0,-1).join('%') + '.' + parts.slice(-1);
			}
			// If this path leads to a valid en-wiki .js script in userspace or[REDACTED] space, add an install link
			if (((path.toLowerCase().substring(0, 5) == "user:") || (path.toLowerCase().substring(0,10) == 'wikipedia:')) && (path.lastIndexOf('.js') == path.length - 3)){
				//var pipe = (jsPage == true) ? '' : ' | ';
				$(this).html('<a href="#installerLink">' + installerLink + '</a>')
					.before(pipe);
				// Set the click function for the install link
				$(this).find('a.installerLink').click(function(){
					$('body').append('');					
					$('body').prepend('');
					$('.arcProg').append('Installing ' + path + '...');
					// Set ajax parameters for the ajax post that occurs when the install link is clicked 
					var request1 = {
						action:"edit", 
						title: "User:" + mw.config.get("wgUserName") + "/common.js", 
						appendtext: "\nimportScript('" + decodeURIComponent(path) + "'); //Linkback: ] Added by Script installer", 
						summary: "]: Added ]", 
						token: mw.user.tokens.get("csrfToken")
					};
					// Send the ajax post, which appends our new importScript line to common.js, then reload the current page
					$.post(mw.config.get("wgScriptPath")+"/api.php", request1, function(response1){
						$('.arcProg').append('Done! Reloading...');
					    location.reload();
					});
				});	
			} else {
				// If this is not a valid path to an en-wiki .js script in user or[REDACTED] space, add a "must install manually" message
				$(this).html(' | ' + noauto + '');
			}
		});
	}
})(jQuery, mediaWiki);