/*jshint smarttabs:true, loopfunc:true,forin:false*/
/*global mw, $, importScript */
// TODO: make autodate an option in the CiteTemplate object, not a preference

// Global object
// TODO:
// * Remove this once the page is moved to a module 'ext.gadget.refToolbarDialogs' depending on 'ext.gadget.refToolbarBase'
if (typeof CiteTB === 'undefined') {
  var CiteTB = {
    "Templates" : {}, // All templates
    "Options" : {}, // Global options
    "UserOptions" : {}, // User options
    "DefaultOptions" : {}, // Script defaults
    "ErrorChecks" : {} // Error check functions
  };
}

// Only execute on edit, unless it is a user JS/CSS page
// TODO: Remove tests already done by [[MediaWiki:Gadget-refToolbar.js]]
if (
	( mw.config.get('wgAction') === 'edit' || mw.config.get('wgAction') === 'submit' ) &&
	( ( mw.config.get('wgNamespaceNumber') !== 2 && mw.config.get('wgNamespaceNumber') !== 4 ) ||
	( mw.config.get('wgPageName').indexOf('.js') === -1 && mw.config.get('wgPageName').indexOf('.css') === -1 ) )
) {

// TODO: Move this to [[MediaWiki:Gadget-refToolbarDialogs.css]] and add it to the definition of module 'ext.gadget.refToolbarDialogs'
mw.util.addCSS(".cite-form-td {"+
"height: 0 !important;"+
"padding: 0.1em !important;"+
"}");  

// Default options, these mainly exist so the script won't break if a new option is added
CiteTB.DefaultOptions = {
  "date format" : "<year>-<zmonth>-<zdate>",
  "autodate fields" : [],
  "months" : ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
  "modal" : true,
  "autoparse" : false,
  "expandtemplates": false
};

// Get an option - user settings override global which override defaults
CiteTB.getOption = function(opt) {
  if (CiteTB.UserOptions[opt] !== undefined) {
    return CiteTB.UserOptions[opt];
  } else if (CiteTB.Options[opt] !== undefined) {
    return CiteTB.Options[opt];
  }
  return CiteTB.DefaultOptions[opt];
};

CiteTB.init = function() {
  /* Main stuff, build the actual toolbar structure
   * 1. get the template list, make the dropdown list and set up the template dialog boxes
   * 2. actually build the toolbar:
   *    * A section for cites
   *    ** dropdown for the templates (previously defined)
   *    ** button for named refs with a dialog box
   *    ** button for errorcheck
   * 3. add the whole thing to the main toolbar
  */

  if (typeof $('div[rel=cites]')[0] !== 'undefined') { // Mystery IE bug workaround
    return;
  }
  $('head').trigger('reftoolbarbase');
  var $target = $('#wpTextbox1');
  var temlist = {};
  for (var t in CiteTB.Templates) {
    var tem = CiteTB.Templates[t];
    var sform = CiteTB.escStr(tem.shortform);
    var actionobj = { 
      type: 'dialog',
      module: 'cite-dialog-'+sform
    };
    var dialogobj = {};
    dialogobj['cite-dialog-'+sform] = {
      resizeme: false,
      titleMsg: 'cite-dialog-'+sform, 
      id: 'citetoolbar-'+sform,
      init: function() {}, 
      html: tem.getInitial(), 
      dialog: {
        width:675,
        open: function() { 
          $(this).html(CiteTB.getOpenTemplate().getForm());
          /** @param {jQuery.Event} e */
          $('.cite-prev-parse').on( 'click', function ( e ) {
            e.preventDefault();
            CiteTB.prevParseClick();
          });
        },
        buttons: {
          'cite-form-submit': function() {
            var ref = CiteTB.getRef(false, true);
            $(this).dialog( 'close' );
            $.wikiEditor.modules.toolbar.fn.doAction( $(this).data( 'context' ), {
              type: 'encapsulate',
              options: {
                post: ref
              }
            }, $(this) );
          },
          'cite-form-showhide': CiteTB.showHideExtra,
          'cite-refpreview': function() {   
            var ref = CiteTB.getRef(false, false);
            var template = CiteTB.getOpenTemplate();
            var div = $("#citetoolbar-"+CiteTB.escStr(template.shortform));
            div.find('.cite-preview-label').show();
            div.find('.cite-ref-preview').text(ref).show();
            if (CiteTB.getOption('autoparse')) {
              CiteTB.prevParseClick();
            } else {
              div.find('.cite-prev-parse').show();
              div.find('.cite-prev-parsed-label').hide();
              div.find('.cite-preview-parsed').html('');
            }         
          },
          'wikieditor-toolbar-tool-link-cancel': function() {
            $(this).dialog( 'close' );
          },
          'cite-form-reset': function() {
            CiteTB.resetForm();
          }
        }
      } 
    };
    $target.wikiEditor('addDialog', dialogobj);
    //if (!CiteTB.getOption('modal')) {
      //$('#citetoolbar-'+sform).dialog('option', 'modal', false);
    //}
    temlist[sform] = {label: tem.templatename, action: actionobj };  
  }

  var refsection =  {
    'sections': {
      'cites': { 
        type: 'toolbar', 
        labelMsg: 'cite-section-label',
        groups: { 
          'template': {
            tools: {
              'template': {
                type: 'select',
                labelMsg: 'cite-template-list',
                list: temlist
              } 
            }
          },
          'namedrefs': {
            labelMsg: 'cite-named-refs-label',
            tools: {
              'nrefs': {
                type: 'button',
                action: {
                  type: 'dialog',
                  module: 'cite-toolbar-namedrefs'
                },
                icon: '//upload.wikimedia.org/wikipedia/commons/thumb/b/be/Nuvola_clipboard_lined.svg/22px-Nuvola_clipboard_lined.svg.png',
                section: 'cites',
                group: 'namedrefs',
                labelMsg: 'cite-named-refs-button'
              }
            }
          },
          'errorcheck': {
            labelMsg: 'cite-errorcheck-label',
            tools: {
              'echeck': {
                type: 'button',
                action: {
                  type: 'dialog',
                  module: 'cite-toolbar-errorcheck'           
                },
                icon: '//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Nuvola_apps_korganizer-NO.png/22px-Nuvola_apps_korganizer-NO.png',
                section: 'cites',
                group: 'errorcheck',
                labelMsg: 'cite-errorcheck-button'
              }
            }
          }
        } 
      } 
    } 
  };
  
  var defaultdialogs = { 
    'cite-toolbar-errorcheck': {
      titleMsg: 'cite-errorcheck-label',
      id: 'citetoolbar-errorcheck',
      resizeme: false,
      init: function() {},
      html: '<div id="cite-namedref-loading">'+
        '<img src="//upload.wikimedia.org/wikipedia/commons/4/42/Loading.gif" />'+
        '&nbsp;'+mw.usability.getMsg('cite-loading')+'</div>',
      dialog: {
        width:550,
        open: function() { 
          CiteTB.loadRefs();
        },
        buttons: {
          'cite-errorcheck-submit': function() {
            var errorchecks = $("input[name='cite-err-test']:checked");
            var errors = [];
            for (var i=0; i<errorchecks.length; i++) {
              errors = errors.concat(CiteTB.ErrorChecks[$(errorchecks[i]).val()].run());
            }
            CiteTB.displayErrors(errors);
            $(this).dialog( 'close' );                      
          },
          'wikieditor-toolbar-tool-link-cancel': function() {
            $(this).dialog( 'close' );
          }
        }
      }
    },
    'cite-toolbar-namedrefs': {
      titleMsg: 'cite-named-refs-title',
      resizeme: false,
      id: 'citetoolbar-namedrefs',
      html: '<div id="cite-namedref-loading">'+
        '<img src="//upload.wikimedia.org/wikipedia/commons/4/42/Loading.gif" />'+
        '&nbsp;'+mw.usability.getMsg('cite-loading')+'</div>',
      init: function() {},
      dialog: {
        width: 550,
        open: function() { 
          CiteTB.loadRefs();
        },
        buttons: {
          'cite-form-submit': function() {
            var refname = $("#cite-namedref-select").val();
            if (refname === '') {
              return;
            }
            $(this).dialog( 'close' );
            $.wikiEditor.modules.toolbar.fn.doAction( $(this).data( 'context' ), {
              type: 'encapsulate',
              options: {
                post: CiteTB.getNamedRef(refname, true)
              }
            }, $(this) );
          },
          'wikieditor-toolbar-tool-link-cancel': function() {
            $(this).dialog( 'close' );
          }                   
        }
      }      
    }
  };
  
  $target.wikiEditor('addDialog', defaultdialogs);
  $('#citetoolbar-namedrefs').off('dialogopen');
  if (!CiteTB.getOption('modal')) {
    //$('#citetoolbar-namedrefs').dialog('option', 'modal', false);
    //$('#citetoolbar-errorcheck').dialog('option', 'modal', false);
    mw.util.addCSS(".ui-widget-overlay {"+
    "display:none !important;"+
    "}");  
  }
  $target.wikiEditor('addToToolbar', refsection);
};

// Load local data - messages, cite templates, etc.
$(document).ready( function() {
  switch( mw.config.get('wgUserLanguage') ) {
    case 'de': // German
      importScript('MediaWiki:RefToolbarMessages-de.js');
      break;
    default: // English
      importScript('MediaWiki:RefToolbarMessages-en.js');
  }
});

// Setup the main object
CiteTB.mainRefList = [];
CiteTB.refsLoaded = false;

// REF FUNCTIONS
// Actually assemble a ref from user input
CiteTB.getRef = function(inneronly, forinsert) {
  var i;
  var template = CiteTB.getOpenTemplate();
  var templatename = template.templatename;
  var res = '';
  var refobj = {'shorttag':false};
  if (!inneronly) {
    var group = $('#cite-'+CiteTB.escStr(template.shortform)+'-group').val();
    var refname = $('#cite-'+CiteTB.escStr(template.shortform)+'-name').val();
    res += '<ref';
    if (refname) {
      refname = $.trim(refname);
      res+=' name='+CiteTB.getQuotedString(refname);
      refobj.refname = refname;
    }
    if (group) {
      group = $.trim(group);
      res+=' group='+CiteTB.getQuotedString(group);
      refobj.refgroup = group;
    }
    res+='>';
  }
  var content ='{{'+templatename;
  for( g in template.incrementables ) {
  	group = template.incrementables[g];
  	for (i=1; i<=group.val; i++) {
		for (j=0; j<group.fields.length; j++) {
  			var fieldname = group.fields[j].field;
  			var fieldid = fieldname.replace('<N>', i.toString());
  			var field = $('#cite-'+CiteTB.escStr(template.shortform)+'-'+fieldid).val();
  			if (field) {
  				content+='|'+fieldid+'=';
  				content+= $.trim(field);
  			}
  		}
  	}
  }
  for( i=0; i<template.basic.length; i++ ) {
  	if (template.basic[i].increment_group) {
  		continue;
  	}
    var fieldname = template.basic[i].field;
    var field = $('#cite-'+CiteTB.escStr(template.shortform)+'-'+fieldname).val();
    if (field) {
      content+='|'+fieldname+'=';
      content+= $.trim(field);
    }
  }
  if ($('#cite-form-status').val() !== 'closed') {
    for( i=0; i<template.extra.length; i++ ) {
      if (template.extra[i].increment_group) {
        continue;
      }
      var fieldname = template.extra[i].field;
      var field = $('#cite-'+CiteTB.escStr(template.shortform)+'-'+fieldname).val();
      if (field) {
        content+='|'+fieldname+'=';
        content+= $.trim(field);
      }
    }
  }
  content+= '}}';
  res+=content;
  refobj.content = content;
  if (!inneronly) {
    res+= '</ref>';
  }
  if (forinsert) {
    CiteTB.mainRefList.push(refobj);
  }
  return res;
};

// Make a reference to a named ref
CiteTB.getNamedRef = function(refname, forinsert) {
  if (forinsert) {
    CiteTB.mainRefList.push( {'shorttag':true, 'refname':refname} );
  }
  return '<ref name='+CiteTB.getQuotedString(refname)+' />';  
};

// Function to load the ref list
CiteTB.loadRefs = function() {
  if (CiteTB.refsLoaded) {
    return;
  }
  CiteTB.getPageText(CiteTB.loadRefsInternal);
};

// Function that actually loads the list from the page text
CiteTB.loadRefsInternal = function(text) { 
  // What this does:             extract first name/group                                     extract second name/group                                          shorttag   inner content
  var refsregex = /< *ref(?: +(name|group) *= *(?:"([^"]*?)"|'([^']*?)'|([^ '"\/\>]*?)) *)? *(?: +(name|group) *= *(?:"([^"]*?)"|'([^']*?)'|([^ '"\/\>]*?)) *)? *(?:\/ *>|>((?:.|\n)*?)< *\/ *ref *>)/gim;
  // This should work regardless of the quoting used for names/groups and for linebreaks in the inner content  
  while (true) {
    var ref = refsregex.exec(text);
    if (ref === null) {
      break;
    }
    var refobj = {};
    if (ref[9]) { // Content + short tag check
      //alert('"'+ref[9]+'"');
      refobj.content = ref[9]; 
      refobj.shorttag = false;
    } else {
      refobj.shorttag = true;
    }
    if (ref[1] !== '') { // First name/group
      if (ref[2]) {
        refobj['ref'+ref[1]] = ref[2];
      } else if (ref[3]) {
        refobj['ref'+ref[1]] = ref[3];
      } else {
        refobj['ref'+ref[1]] = ref[4];
      }
    }
    if (ref[5] !== '') { // Second name/group
      if (ref[6]) {
        refobj['ref'+ref[5]] = ref[6];
      } else if (ref[7]) {
        refobj['ref'+ref[5]] = ref[7];
      } else {
        refobj['ref'+ref[5]] = ref[8];
      }
    }
    CiteTB.mainRefList.push(refobj);
  }
  CiteTB.refsLoaded = true;
  CiteTB.setupErrorCheck();
  CiteTB.setupNamedRefs();
};

// AJAX FUNCTIONS
// Parse some wikitext and hand it off to a callback function
CiteTB.parse = function(text, callback) {
  $.post( mw.util.wikiScript( 'api' ),
    {action:'parse', title:mw.config.get('wgPageName'), text:text, prop:'text', format:'json'},
    function(data) {
      var html = data.parse.text['*'];
      callback(html);
    },
    'json'
  );  
};

// Use the API to expand templates on some text
CiteTB.expandtemplates = function(text, callback) {
  $.post( mw.util.wikiScript( 'api' ),
    {action:'expandtemplates', title:mw.config.get('wgPageName'), text:text, format:'json'},
    function(data) {
      var restext = data.expandtemplates['*'];
      callback(restext);
    },
    'json'
  );
};

// Function to get the page text
CiteTB.getPageText = function(callback) {
  var section = $("input[name='wpSection']").val();
  if ( section !== '' ) {
    var postdata = {action:'query', prop:'revisions', rvprop:'content', pageids:mw.config.get('wgArticleId'), format:'json'};
    if (CiteTB.getOption('expandtemplates')) {
      postdata.rvexpandtemplates = '1';
    }
    $.get( mw.util.wikiScript( 'api' ),
      postdata,
      function(data) {
        var pagetext = data.query.pages[mw.config.get('wgArticleId').toString()].revisions[0]['*'];
        callback(pagetext);
      },
      'json'
    );
  } else {
    if (CiteTB.getOption('expandtemplates')) {
      CiteTB.expandtemplates($('#wpTextbox1').wikiEditor('getContents').text(), callback);
    } else {
      callback($('#wpTextbox1').wikiEditor('getContents').text());
    }
  }
};

// Autofill a template from an ID (ISBN, DOI, PMID, URL)
CiteTB.initAutofill = function() {
  var elemid = $(this).attr('id');
  var res = /^cite\-auto\-(.*?)\-(.*)\-(.*)$/.exec(elemid);
  var tem = res[1];
  var field = res[2];
  var autotype = res[3];
  var id = $('#cite-'+tem+'-'+field).val();
  if (!id) {
    return false;
  }
  var url = '//tools.wmflabs.org/reftoolbar/lookup.php?';
  url+=autotype+'='+encodeURIComponent(id);
  url+='&template='+encodeURIComponent(tem);
  var s = document.createElement('script');
  s.setAttribute('src', url);
  s.setAttribute('type', 'text/javascript');
  document.getElementsByTagName('head')[0].appendChild(s);
  return false;
};

// Callback for autofill
//TODO: Autofill the URL, at least for DOI
CiteTB.autoFill = function(data, template, type) {
  var cl = 'cite-'+template+'-';
  var i,j, coauthors;
  $('.'+cl+'title').val(data.title);
  // Fill in authors
  if (data.authors && data.authors.length > 0) {
	  if ($('.'+cl+'last-incr-1').length != 0) {
		var classes = $('.'+cl+'last-incr-1').eq(0).attr('class').split(/\s+/);
		var group = false;
		var patt = /cite-[^-]*?-incr-(.*)/
		for (var c=0; c<classes.length; c++) {
			if (patt.exec(classes[c])) {
				group = patt.exec(classes[c])[1];
				break;
			}
		}
		$('.'+cl+'last-incr-1').val(data.authors[0][0])
		$('.'+cl+'first-incr-1').val(data.authors[0][1])
		elemid = '#cite-incr-'+template+'-'+group;
		for (var i=2; i<data.authors.length+1; i++) {
			$(elemid).click();
			$('.'+cl+'last-incr-'+i.toString()).val(data.authors[i-1][0])
			$('.'+cl+'first-incr-'+i.toString()).val(data.authors[i-1][1])
		}
	  } else if ($('.'+cl+'author-incr-1').length != 0) {
		var classes = $('.'+cl+'author-incr-1').eq(0).attr('class').split(/\s+/);
		var group = false;
		var patt = /cite-[^-]*?-incr-(.*)/
		for (var c=0; c<classes.length; c++) {
			if (patt.exec(classes[c])) {
				group = patt.exec(classes[c])[1];
				break;
			}
		}
		$('.'+cl+'author-incr-1').val(data.authors[0].join(', '))
		elemid = '#cite-incr-'+template+'-'+group;
		for (var i=2; i<data.authors.length+1; i++) {
			$(elemid).click();
			$('.'+cl+'author-incr-'+i.toString()).val(data.authors[i-1].join(', '))
		}
	  } else if ($('.'+cl+'last1').length != 0) {
		for(i=0; data.authors && i<data.authors.length; i++) {
		  if ($('.'+cl+'last'+(i+1)).length) {
			 $('.'+cl+'last'+(i+1)).val(data.authors[i][0]);
			 $('.'+cl+'first'+(i+1)).val(data.authors[i][1]);
		  } else {
			coauthors = [];
			for(j=i; j<data.authors.length; j++) {
			  coauthors.push(data.authors[j].join(', '));
			}
			$('.'+cl+'coauthors').val(coauthors.join('; '));
			break;
		  }
		}
	  } else if($('.'+cl+'author1').length !== 0) {
		for(i=0; data.authors && i<data.authors.length; i++) {
		  if ($('.'+cl+'author'+(i+1)).length) {
			 $('.'+cl+'author'+(i+1)).val(data.authors[i].join(', '));
		  } else {
			coauthors = [];
			for(j=i; j<data.authors.length; j++) {
			  coauthors.push(data.authors[j].join(', '));
			}
			$('.'+cl+'coauthors').val(coauthors.join('; '));
			break;
		  }
		}
	  } else {
		var authors = [];
		for(i=0; data.authors && i<data.authors.length; i++) {
		  authors.push(data.authors[i].join(', '));
		}
		$('.'+cl+'authors').val(authors.join('; '));
	  }
  }

  if (type === 'pmid' || type === 'doi') {
    if (data.date && (data.fulldate || !$('.'+cl+'month').length)) {
      var DT = new Date(data.date);
      var useday = /\d{4}-\d{2}-\d{2}/.test(data.date);
      var usemonth = /\d{4}-\d{2}/.test(data.date);
      $('.'+cl+'date').val(CiteTB.formatDate(DT, useday, usemonth));
    } else if (!data.fulldate && $('.'+cl+'month').length && $('.'+cl+'year').length) {
      if (data.month) { // lookup.php sets month to false if it isn't provided
        $('.'+cl+'month').val( CiteTB.getOption('months')[parseInt(data.month)-1] );
      }
      $('.'+cl+'year').val(data.year);
    } else {
      $('.'+cl+'date').val(data.date);
    }
    $('.'+cl+'journal').val(data.journal);
    $('.'+cl+'volume').val(data.volume);
    $('.'+cl+'issue').val(data.issue);
    $('.'+cl+'pages').val(data.pages);
    if (type === 'pmid' && data.doi) {
      $('.'+cl+'doi').val(data.doi);
    }
  } else if (type === 'isbn') {
    $('.'+cl+'publisher').val(data.publisher);
    $('.'+cl+'location').val(data.location);
    $('.'+cl+'year').val(data.year);
    $('.'+cl+'edition').val(data.edition);
  } else if (type === 'url') {
    if (data.date) {
  	  var DT = new Date(data.date);
      var useday = /\d{4}-\d{2}-\d{2}/.test(data.date) && template !== 'book';
      var usemonth = /\d{4}-\d{2}/.test(data.date) && template !== 'book';
      var yearOrDate = (template === 'book') ? 'year' : 'date';
      $('.'+cl+yearOrDate).val(CiteTB.formatDate(DT, useday, usemonth));
    }
    $('.'+cl+'journal').val(data.journal);
    $('.'+cl+'volume').val(data.volume);
    $('.'+cl+'issue').val(data.issue);
    $('.'+cl+'pages').val(data.pages);
    $('.'+cl+'publisher').val(data.publisher);
    $('.'+cl+'edition').val(data.edition);
    $('.'+cl+'isbn').val(data.isbn);
    $('.'+cl+'issn').val(data.issn);
    $('.'+cl+'doi').val(data.doi);
    // "en-US" isn't a valid value for the language parameter
    if (data.language && data.language !== 'en-US' && data.language !== 'en-GB') {
    	$('.'+cl+'language').val(data.language);
    }
    $('.'+cl+'chapter').val(data.chapter);
  }
};

// FORM DIALOG FUNCTIONS
// Add new incrementable fields
CiteTB.incrementFields = function() {
	template = CiteTB.getOpenTemplate();
	var currentrow = $(this).parents('tr')[0];
	$(this).prev().css('width', '100%')
	$(this).detach();
	var elemid = $(this).attr('id');
	var res = /^cite\-incr\-(.*?)\-(.*)$/.exec(elemid);
	group = res[2];
	increments = template.incrementables[group];
	fields = increments.fields;
	incrval = increments.val+1;
	template.incrementables[group].val += 1;
	trs = template.makeFormInner(fields, false);
	trs.reverse();
	for (var i=0; i<trs.length; i++) {
		$(currentrow).after(trs[i]);
	}
};

// fill the accessdate param with the current date
CiteTB.fillAccessdate = function() {
  var elemid = $(this).attr('id');
  var res = /^cite\-date\-(.*?)\-(.*)$/.exec(elemid);
  var id = res[1];
  var field = res[2];
  var DT = new Date();
  var datestr = CiteTB.formatDate(DT);
  $('#cite-'+id+'-'+field).val(datestr);
  return false;
};

CiteTB.formatDate = function(DT, useday, usemonth) {
  if (typeof useday == "undefined") {
    useday = true;	
  }
  if (typeof usemonth == "undefined") {
    usemonth = true;	
  }
  var datestr = CiteTB.getOption('date format');
  var zmonth = '';
  var month = DT.getUTCMonth()+1;
  if (month < 10) {
    zmonth = "0"+month.toString();
  } else {
    zmonth = month.toString();
  }
  month = month.toString();
  var zdate = '';
  var date = DT.getUTCDate();
  if (date < 10) {
    zdate = "0"+date.toString();
  } else {
    zdate = date.toString();
  }
  date = date.toString();
  if (useday) {
    datestr = datestr.replace('<date>', date);
    datestr = datestr.replace('<zdate>', zdate);
  } else {
    datestr = datestr.replace('<date>', '');
    datestr = datestr.replace('<zdate>', '');
  }
  if (usemonth) {
    datestr = datestr.replace('<month>', month);
    datestr = datestr.replace('<zmonth>', zmonth);
    datestr = datestr.replace('<monthname>', CiteTB.getOption('months')[DT.getUTCMonth()]);
  } else {
    datestr = datestr.replace('<month>', '');
    datestr = datestr.replace('<zmonth>', '');
    datestr = datestr.replace('<monthname>', '');
  }  
  datestr = datestr.replace('<year>', DT.getUTCFullYear().toString());
  return datestr.replace(/^[ \/\-\,\.]*(.*?)[ \/\-\,\.]*$/g, "$1"); // Cleanup any dangling spaces or connectors that might result from omitting date/month
};

// Function called after the ref list is loaded, to actually set the contents of the named ref dialog
// Until the list is loaded, its just a "Loading" placeholder
CiteTB.setupNamedRefs = function() {
  var names = [], i;
  for( i=0; i<CiteTB.mainRefList.length; i++) {
    if (!CiteTB.mainRefList[i].shorttag && CiteTB.mainRefList[i].refname) {
      names.push(CiteTB.mainRefList[i]);
    }
  }
  var stuff = $('<div>');
  $('#citetoolbar-namedrefs').html( stuff );
  if (names.length === 0) {
    stuff.html(mw.usability.getMsg('cite-no-namedrefs'));
  } else {
    stuff.html(mw.usability.getMsg('cite-namedrefs-intro'));
    var select = $('<select id="cite-namedref-select">');
    select.append($('<option value="" />').text(mw.usability.getMsg('cite-named-refs-dropdown')));
    for(i=0; i<names.length; i++) {
      select.append($('<option />').text(names[i].refname));
    }
    stuff.after(select);
    select.before('<br />');      
    var prevlabel = $('<div id="cite-nref-preview-label" style="display:none;" />').html(mw.usability.getMsg('cite-raw-preview'));
    select.after(prevlabel);
    prevlabel.before("<br /><br />");
    prevlabel.after('<div id="cite-namedref-preview" style="padding:0.5em; font-size:110%" />');
    var parselabel = $('<span id="cite-parsed-label" style="display:none;" />').html(mw.usability.getMsg('cite-parsed-label'));
    $('#cite-namedref-preview').after(parselabel);
    parselabel.after('<div id="cite-namedref-parsed" style="padding-bottom:0.5em; font-size:110%" />');
    var link = $('<a href="#" id="cite-nref-parse" style="margin:0 1em 0 1em; display:none; color:darkblue" />');
    link.html(mw.usability.getMsg('cite-form-parse'));
    $('#cite-namedref-parsed').after(link);
    
    $("#cite-namedref-select").on( 'change', CiteTB.namedRefSelectClick);
    $('#cite-nref-parse').on( 'click', CiteTB.nrefParseClick);
  }      
};

// Function to get the errorcheck form HTML
CiteTB.setupErrorCheck = function() {
  var form = $('<div id="cite-errorcheck-heading" />').html(mw.usability.getMsg('cite-errorcheck-heading'));
  var ul = $("<ul id='cite-errcheck-list' />");
  var test;
  for (var t in CiteTB.ErrorChecks) {
    test = CiteTB.ErrorChecks[t];
    ul.append(test.getRow());
  }
  form.append(ul);
  $('#citetoolbar-errorcheck').html(form);
};

// Callback function for parsed preview
CiteTB.fillNrefPreview = function(parsed) {
  $('#cite-parsed-label').show();
  $('#cite-namedref-parsed').html(parsed);
};

// Click handler for the named-ref parsed preview
CiteTB.nrefParseClick = function() {
  var choice = $("#cite-namedref-select").val();
  if (choice === '') {
    $('#cite-parsed-label').hide();
    $('#cite-namedref-parsed').text('');
    return false;
  }
  $('#cite-nref-parse').hide();
  for( var i=0; i<CiteTB.mainRefList.length; i++) {
    if (!CiteTB.mainRefList[i].shorttag && CiteTB.mainRefList[i].refname == choice) {
      CiteTB.parse(CiteTB.mainRefList[i].content, CiteTB.fillNrefPreview);
      return false;
    }
  }  
};

// Click handler for the named-ref dropdown
CiteTB.lastnamedrefchoice = '';
CiteTB.namedRefSelectClick = function() {
  var choice = $("#cite-namedref-select").val();
  if (CiteTB.lastnamedrefchoice == choice) {
    return;
  }
  CiteTB.lastnamedrefchoice = choice;
  $('#cite-parsed-label').hide();
  $('#cite-namedref-parsed').text('');
  if (choice === '') {
    $('#cite-nref-preview-label').hide();
    $('#cite-namedref-preview').text('');
    $('#cite-nref-parse').hide();
    return;
  }
  for( var i=0; i<CiteTB.mainRefList.length; i++) {
    if (!CiteTB.mainRefList[i].shorttag && CiteTB.mainRefList[i].refname == choice) {
      $('#cite-nref-preview-label').show();
      $('#cite-namedref-preview').text(CiteTB.mainRefList[i].content);
      if (CiteTB.getOption('autoparse')) {
        CiteTB.nrefParseClick();
      } else {
        $('#cite-nref-parse').show();
      }
    }
  }
};

// callback function for parsed preview
CiteTB.fillTemplatePreview = function(text) {
  var template = CiteTB.getOpenTemplate();
  var div = $("#citetoolbar-"+CiteTB.escStr(template.shortform));
  div.find('.cite-prev-parsed-label').show();
  div.find('.cite-preview-parsed').html(text);
};

// Click handler for template parsed preview
CiteTB.prevParseClick = function() {
  var ref = CiteTB.getRef(true, false);
  var template = CiteTB.getOpenTemplate();
  var div = $("#citetoolbar-"+CiteTB.escStr(template.shortform));
  div.find('.cite-prev-parse').hide();
  CiteTB.parse(ref, CiteTB.fillTemplatePreview);
};

// Show/hide the extra fields in the dialog box
CiteTB.showHideExtra = function() {
  var template = CiteTB.getOpenTemplate();
  var div = $("#citetoolbar-"+CiteTB.escStr(template.shortform));
  var setting = div.find(".cite-form-status").val();
  if ( setting === 'closed' ) {
    div.find(".cite-form-status").val('open');
    div.find('.cite-extra-fields').show(1, function() {
      // jQuery adds "display:block", which screws things up
      div.find('.cite-extra-fields').attr('style', 'width:100%; background-color:transparent;'); 
    });
  } else {
    div.find(".cite-form-status").val('closed');
    div.find('.cite-extra-fields').hide();
  } 
};

// Resets form fields and previews
// Resets form fields and previews
CiteTB.resetForm = function() {
  var template = CiteTB.getOpenTemplate();
  var div = $("#citetoolbar-"+CiteTB.escStr(template.shortform));
  div.html(template.getForm());
};

// STRING UTILITY FUNCTIONS
// Returns a string quoted as necessary for name/group attributes
CiteTB.getQuotedString = function(s) {
  var sq = /\'/.test(s); // single quotes
  var dq = /\"/.test(s); // double quotes
  if (!sq && !dq) { // Always quotes for non-latin alphabet
    return '"'+s+'"';
  } else if (!dq) { // Can use double quotes
    return '"'+s+'"';
  } else if (!sq) { // Can use single quotes
    return "'"+s+"'";
  } else { // Has double and single quotes
    s = s.replace(/\"/g, '\'');
    return '"'+s+'"';
  }
};

// Fix up strings for output - capitalize first char, replace underscores with spaces
CiteTB.fixStr = function(s) {
  s = s.slice(0,1).toUpperCase() + s.slice(1);
  s = s.replace('_',' ');
  return s;
};

// Escape spaces and quotes for use in HTML classes/ids
CiteTB.escStr = function(s) {
  return s.replace(' ', '-').replace("'", "\'").replace('"', '\"');
};

// MISC FUNCTIONS
// Determine which template form is open, and get the template object for it
CiteTB.getOpenTemplate = function() {
  var dialogs = $(".ui-dialog-content.ui-widget-content:visible");
  var templatename = $(dialogs[0]).find(".cite-template").val();
  return CiteTB.Templates[templatename];
};

// Display the report for the error checks
CiteTB.displayErrors = function(errors) {
  $('#cite-err-report').remove();
  var table = $('<table id="cite-err-report" style="width:100%; border:1px solid #A9A9A9; background-color:#FFEFD5; padding:0.25em; margin-top:0.5em" />');
  $('#editpage-copywarn').before(table);
  var tr;
  var tr1 = $('<tr style="width:100%" />');
  var th1 = $('<th style="width:60%; font-size:110%" />').html(mw.usability.getMsg('cite-err-report-heading'));
  var th2 = $('<th style="text-align:right; width:40%" />');
  var im = $('<img />').attr('src', '//upload.wikimedia.org/wikipedia/commons/thumb/5/55/Gtk-stop.svg/20px-Gtk-stop.svg.png');
  im.attr('alt', mw.usability.getMsg('cite-err-report-close')).attr('title', mw.usability.getMsg('cite-err-report-close'));
  var ad = $('<a id="cite-err-check-close" />').attr('href', '#');
  ad.append(im);
  th2.append(ad);
  tr1.append(th1).append(th2);
  table.append(tr1);
  $('#cite-err-check-close').on('click', function() {  $('#cite-err-report').remove(); });
  if (errors.length === 0) {
    tr = $('<tr style="width:100%;" />');
    var td = $('<td style="text-align:center; margin:1.5px;" />').html(mw.usability.getMsg('cite-err-report-empty'));
    tr.append(td);
    table.append(tr);
    
    return;
  }
  for(var e in errors) {
    var err = errors[e];
    tr = $('<tr style="width:100%;" />');
    var td1 = $('<td style="border: 1px solid black; margin:1.5px; width:60%" />').html(err.err);
    var td2 = $('<td style="border: 1px solid black; margin:1.5px; width:40%" />').html(mw.usability.getMsg(err.msg));
    tr.append(td1).append(td2);
    table.append(tr);
  }
};
   
} // End of code loaded only on edit