/*

 * Bug Status Update Gadget

 *

 * Authors:

 * Written by Rob Moen (robm).

 * Ported to Phabricator by Matthew Flaschen (Mattflaschen (WMF))

 *

 * Description:

 *  Finds and updates bug status templates on a page.

 *  Makes 1 JSONP request to phabricator-bug-status API (maintained by Matthew Flaschen)

 *  (which passes the request to Phabricator's Conduit API)

 * Source: [[mw:User:Robmoen/bugStatusUpdate.js]]

 */



( function( $ ){

	var	ids = [],

		target = 'https://tools.wmflabs.org/phabricator-bug-status/queryTasks';



	var getParams = function( ids ) {

		return $.param( { ids: JSON.stringify( ids ) } );

	};



	// Get the Phabricator task id numbers on the page

	// The template should provide a data attribute, for simplicity and probably better performance.  There

	// should also be a class, so it could quickly be found.  E.g.

	// data-phabricator-task="123" class="trakfab ..." ...

	// This could then be selected easily, and the number could be accessed with .data( 'phabricatorTask' )

	$( '.mw-trackedTemplate' ).find( 'a[title^="phabricator:T"]' ).each( function() {

		var titleMatch = $( this ).attr( 'title' ).match( /phabricator:T(\d*)/ );

		if ( titleMatch !== null ) {

			ids.push( parseInt( titleMatch1], 10 ) );

		}

	});

		

	// Do not query if no ids were found

	if ( !ids.length ) {

		return;

	}



	// Make jsonp

	$.ajax( {

		url: target,

		dataType: 'jsonp',

		timeout: 5000, // Give up if Tool Labs is being slow today

		statusCode: { 500: function () { /* Tool Labs has failed, nothing to do here */ } },

		data: getParams( ids ),

		success: function ( data ) {



			var		color = {

						"resolved": "green"

					},

					phid, taskInfo, taskNumber, selector,

					trackedTemplate, $taskLink, $title, $item,

					$status;



			for( phid in data ) {

				taskInfo = dataphid];

				taskNumber = taskInfo.id;

				// Find the right task to update

				selector = '.mw-trackedTemplate a[title^="phabricator:T' +  taskNumber + '"]';

				$taskLink = $( selector );

				$title = $taskLink.find( '.trakfab-T' + taskNumber );

				if ( $title ) {

					$title.text( taskInfo.title );

				}



				$item = $taskLink.closest( '.mw-trackedTemplate' );

				if( $item ) {

					// Find child, if exists

					// This is very fragile; this needs a class.

					$status = $( '.tracked-closure' );



					// Create the status element if it does not exist

					if( $status.length === 0 ) {

						$status = $( '<span></span>' )

							.addClass('tracked-closure');

						$item.append( '<br>', $status );

					}



					// Update the status element

					// This matches Template:Tracked itself, where only resolved has a color

					// defined for Phabricator (everything else is black).

					$status

						.text( taskInfo.statusName )

						.css( 'color', colortaskInfo.status || 'black' );

				}

			}

		}

	} );

})( jQuery );