// ==UserScript==
// @name         Goodreads Giveaway Helper
// @namespace    oddjob.hopto.org
// @version      0.1
// @description  Goodreads Giveaway Helper 1) Can hide giveaways with poor chances. 2) Hi-light books by authors on your shelves. 3) Speed up entry, and even automatically scan giveaways for authors on your shelves
// @author       Guido van Helvoort
// @match        https://www.goodreads.com/giveaway*
// @grant        none
// @locale        en
// @downloadURL none
// ==/UserScript==
(function() {
	'use strict';

	var gghIsDetailPage = window.location.href.indexOf('giveaway/show') !== -1;
	var gghIsAddressPage = window.location.href.indexOf('giveaway/enter_choose_address') !== -1;
	var gghIsLastEntryPage = window.location.href.indexOf('giveaway/enter_print_giveaway') !== -1 || window.location.href.indexOf('enter_kindle_giveaway') !== -1;


	/**
	* Helpers
	**/

	function xmlToJson(xml) {
		// Create the return object
		var obj = {};

		if (xml.nodeType == 1) { // element
			// do attributes
			if (xml.attributes.length > 0) {
				obj["@attributes"] = {};
				for (var j = 0; j < xml.attributes.length; j++) {
					var attribute = xml.attributes.item(j);
					obj["@attributes"][attribute.nodeName] = attribute.nodeValue;
				}
			}
		} else if (xml.nodeType == 3) { // text
			obj = xml.nodeValue;
		}

		// do children
		if (xml.hasChildNodes()) {
			for (var i = 0; i < xml.childNodes.length; i++) {
				var item = xml.childNodes.item(i);
				var nodeName = item.nodeName;
				if (typeof(obj[nodeName]) == "undefined") {
					obj[nodeName] = xmlToJson(item);
				} else {
					if (typeof(obj[nodeName].push) == "undefined") {
						var old = obj[nodeName];
						obj[nodeName] = [];
						obj[nodeName].push(old);
					}
					obj[nodeName].push(xmlToJson(item));
				}
			}
		}
		return obj;
	}

	var defaultDiacriticsRemovalMap = [{
			'base': 'A',
			'letters': '\u0041\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F'
		},
		{
			'base': 'AA',
			'letters': '\uA732'
		},
		{
			'base': 'AE',
			'letters': '\u00C6\u01FC\u01E2'
		},
		{
			'base': 'AO',
			'letters': '\uA734'
		},
		{
			'base': 'AU',
			'letters': '\uA736'
		},
		{
			'base': 'AV',
			'letters': '\uA738\uA73A'
		},
		{
			'base': 'AY',
			'letters': '\uA73C'
		},
		{
			'base': 'B',
			'letters': '\u0042\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0182\u0181'
		},
		{
			'base': 'C',
			'letters': '\u0043\u24B8\uFF23\u0106\u0108\u010A\u010C\u00C7\u1E08\u0187\u023B\uA73E'
		},
		{
			'base': 'D',
			'letters': '\u0044\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779\u00D0'
		},
		{
			'base': 'DZ',
			'letters': '\u01F1\u01C4'
		},
		{
			'base': 'Dz',
			'letters': '\u01F2\u01C5'
		},
		{
			'base': 'E',
			'letters': '\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E'
		},
		{
			'base': 'F',
			'letters': '\u0046\u24BB\uFF26\u1E1E\u0191\uA77B'
		},
		{
			'base': 'G',
			'letters': '\u0047\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E'
		},
		{
			'base': 'H',
			'letters': '\u0048\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D'
		},
		{
			'base': 'I',
			'letters': '\u0049\u24BE\uFF29\u00CC\u00CD\u00CE\u0128\u012A\u012C\u0130\u00CF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197'
		},
		{
			'base': 'J',
			'letters': '\u004A\u24BF\uFF2A\u0134\u0248'
		},
		{
			'base': 'K',
			'letters': '\u004B\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2'
		},
		{
			'base': 'L',
			'letters': '\u004C\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780'
		},
		{
			'base': 'LJ',
			'letters': '\u01C7'
		},
		{
			'base': 'Lj',
			'letters': '\u01C8'
		},
		{
			'base': 'M',
			'letters': '\u004D\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C'
		},
		{
			'base': 'N',
			'letters': '\u004E\u24C3\uFF2E\u01F8\u0143\u00D1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u0220\u019D\uA790\uA7A4'
		},
		{
			'base': 'NJ',
			'letters': '\u01CA'
		},
		{
			'base': 'Nj',
			'letters': '\u01CB'
		},
		{
			'base': 'O',
			'letters': '\u004F\u24C4\uFF2F\u00D2\u00D3\u00D4\u1ED2\u1ED0\u1ED6\u1ED4\u00D5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\u00D6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\u00D8\u01FE\u0186\u019F\uA74A\uA74C'
		},
		{
			'base': 'OI',
			'letters': '\u01A2'
		},
		{
			'base': 'OO',
			'letters': '\uA74E'
		},
		{
			'base': 'OU',
			'letters': '\u0222'
		},
		{
			'base': 'OE',
			'letters': '\u008C\u0152'
		},
		{
			'base': 'oe',
			'letters': '\u009C\u0153'
		},
		{
			'base': 'P',
			'letters': '\u0050\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754'
		},
		{
			'base': 'Q',
			'letters': '\u0051\u24C6\uFF31\uA756\uA758\u024A'
		},
		{
			'base': 'R',
			'letters': '\u0052\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782'
		},
		{
			'base': 'S',
			'letters': '\u0053\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784'
		},
		{
			'base': 'T',
			'letters': '\u0054\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786'
		},
		{
			'base': 'TZ',
			'letters': '\uA728'
		},
		{
			'base': 'U',
			'letters': '\u0055\u24CA\uFF35\u00D9\u00DA\u00DB\u0168\u1E78\u016A\u1E7A\u016C\u00DC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244'
		},
		{
			'base': 'V',
			'letters': '\u0056\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245'
		},
		{
			'base': 'VY',
			'letters': '\uA760'
		},
		{
			'base': 'W',
			'letters': '\u0057\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72'
		},
		{
			'base': 'X',
			'letters': '\u0058\u24CD\uFF38\u1E8A\u1E8C'
		},
		{
			'base': 'Y',
			'letters': '\u0059\u24CE\uFF39\u1EF2\u00DD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE'
		},
		{
			'base': 'Z',
			'letters': '\u005A\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762'
		},
		{
			'base': 'a',
			'letters': '\u0061\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250'
		},
		{
			'base': 'aa',
			'letters': '\uA733'
		},
		{
			'base': 'ae',
			'letters': '\u00E6\u01FD\u01E3'
		},
		{
			'base': 'ao',
			'letters': '\uA735'
		},
		{
			'base': 'au',
			'letters': '\uA737'
		},
		{
			'base': 'av',
			'letters': '\uA739\uA73B'
		},
		{
			'base': 'ay',
			'letters': '\uA73D'
		},
		{
			'base': 'b',
			'letters': '\u0062\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253'
		},
		{
			'base': 'c',
			'letters': '\u0063\u24D2\uFF43\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184'
		},
		{
			'base': 'd',
			'letters': '\u0064\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\uA77A'
		},
		{
			'base': 'dz',
			'letters': '\u01F3\u01C6'
		},
		{
			'base': 'e',
			'letters': '\u0065\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u025B\u01DD'
		},
		{
			'base': 'f',
			'letters': '\u0066\u24D5\uFF46\u1E1F\u0192\uA77C'
		},
		{
			'base': 'g',
			'letters': '\u0067\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\u1D79\uA77F'
		},
		{
			'base': 'h',
			'letters': '\u0068\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265'
		},
		{
			'base': 'hv',
			'letters': '\u0195'
		},
		{
			'base': 'i',
			'letters': '\u0069\u24D8\uFF49\u00EC\u00ED\u00EE\u0129\u012B\u012D\u00EF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131'
		},
		{
			'base': 'j',
			'letters': '\u006A\u24D9\uFF4A\u0135\u01F0\u0249'
		},
		{
			'base': 'k',
			'letters': '\u006B\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3'
		},
		{
			'base': 'l',
			'letters': '\u006C\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747'
		},
		{
			'base': 'lj',
			'letters': '\u01C9'
		},
		{
			'base': 'm',
			'letters': '\u006D\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F'
		},
		{
			'base': 'n',
			'letters': '\u006E\u24DD\uFF4E\u01F9\u0144\u00F1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5'
		},
		{
			'base': 'nj',
			'letters': '\u01CC'
		},
		{
			'base': 'o',
			'letters': '\u006F\u24DE\uFF4F\u00F2\u00F3\u00F4\u1ED3\u1ED1\u1ED7\u1ED5\u00F5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\u00F6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\u00F8\u01FF\u0254\uA74B\uA74D\u0275'
		},
		{
			'base': 'oi',
			'letters': '\u01A3'
		},
		{
			'base': 'ou',
			'letters': '\u0223'
		},
		{
			'base': 'oo',
			'letters': '\uA74F'
		},
		{
			'base': 'p',
			'letters': '\u0070\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755'
		},
		{
			'base': 'q',
			'letters': '\u0071\u24E0\uFF51\u024B\uA757\uA759'
		},
		{
			'base': 'r',
			'letters': '\u0072\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783'
		},
		{
			'base': 's',
			'letters': '\u0073\u24E2\uFF53\u00DF\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B'
		},
		{
			'base': 't',
			'letters': '\u0074\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787'
		},
		{
			'base': 'tz',
			'letters': '\uA729'
		},
		{
			'base': 'u',
			'letters': '\u0075\u24E4\uFF55\u00F9\u00FA\u00FB\u0169\u1E79\u016B\u1E7B\u016D\u00FC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289'
		},
		{
			'base': 'v',
			'letters': '\u0076\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C'
		},
		{
			'base': 'vy',
			'letters': '\uA761'
		},
		{
			'base': 'w',
			'letters': '\u0077\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73'
		},
		{
			'base': 'x',
			'letters': '\u0078\u24E7\uFF58\u1E8B\u1E8D'
		},
		{
			'base': 'y',
			'letters': '\u0079\u24E8\uFF59\u1EF3\u00FD\u0177\u1EF9\u0233\u1E8F\u00FF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF'
		},
		{
			'base': 'z',
			'letters': '\u007A\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763'
		}
	];

	var diacriticsMap = {};
	for (var i = 0; i < defaultDiacriticsRemovalMap.length; i++) {
		var letters = defaultDiacriticsRemovalMap[i].letters;
		for (var j = 0; j < letters.length; j++) {
			diacriticsMap[letters[j]] = defaultDiacriticsRemovalMap[i].base;
		}
	}

	function removeDiacritics(str) {
		return str.replace(/[^\u0000-\u007E]/g, function(a) {
			return diacriticsMap[a] || a;
		});
	}

	jQuery(document).keyup(function(e) {
		if (e.keyCode == 27) { // escape key maps to keycode `27`
			localStorage.removeItem('gghelper_scanMode');
			alert('auto scan ended - whoo that was scary!');
		}
	});



	/**
	* Actual code
	**/

	window.setTimeout(function() {

		if (gghIsDetailPage || gghIsAddressPage || gghIsLastEntryPage) {
			// Other (non list page logic)
			// TODO expose this as settings too
			if (gghIsAddressPage) {
				// auto click select address
				if (localStorage.getItem('gghelper_addressCheck') !== 'off') {
					jQuery('.gr-button.gr-button--small').click();
				}
			} else if (gghIsLastEntryPage) {
				if (localStorage.getItem('gghelper_termsCheck') !== 'off') {
					jQuery('#termsCheckBox').click();
				}
				if (localStorage.getItem('gghelper_toReadCheck') !== 'off') {
					jQuery('#want_to_read').click();
				}
				if (localStorage.getItem('gghelper_enterCheck') === 'on') {
					jQuery('#giveawaySubmitButton').click();
				}
			}
		} else {
			// main list page logic (longest part of the code)

			/**
			* Append the overlay div
			**/

			var newHTML = document.createElement('div');
			newHTML.style.position = "absolute";
			newHTML.style.right = 20 + 'px';
			newHTML.style.top = 50 + 'px';
			newHTML.innerHTML = '<div style="font-family:Lato,\'Helvetica Neue\',Helvetica,Arial,sans-serif;font-size:100%;padding:5px;overflow:hidden;width:400px;background-color:#f4f1ea;border-color:#47050c;border-width:2px;border-style:solid"id=container><h3 class=textColor style=padding-top:0;margin-top:0>Guido's Goodreads Giveaway Helper</h3><div style="margin:10px;padding:10px;border:1px solid #47050c"class=section><h4 class=textColor style=padding-top:0;margin-top:0;margin-bottom:4px>Hide giveaways with less than X books available</h4><div style=font-size:11px;font-weight:700;margin-left:5px;margin-bottom:10px class=status>Status: <span class="activestatus off"id=gghMinimumGiveawaysStatus style=color:tomato>Off - enter a minimum giveaway amount and click save</span></div><input id=gghMinimumGiveaways value=5> <button id=gghSetMinimumGiveaways>Save</button> <button id=gghDisableMinimumGiveaways>Disable</button></div><div style="margin:10px;padding:10px;border:1px solid #47050c"class=section><h4 class=textColor style=padding-top:0;margin-top:0;margin-bottom:4px>Auto-enter giveaways</h4><label><input id=gghAddressCheck type=checkbox checked>Auto Select Address</label><br><label><input id=gghTermsCheck type=checkbox checked>Auto Agree Terms & Conditions</label><br><label><input id=gghToReadCheck type=checkbox checked>Auto uncheck "add to to-read shelf"</label><br><label><input id=gghEnterCheck type=checkbox>Auto click "Enter giveaway"</label></div><div style="margin:10px;padding:10px;border:1px solid #47050c"class=section><h3>ADVANCED: you need an <a href=https://www.goodreads.com/api/keys target=_blank>api key</a> for this functionality<h3><h4 class=textColor style=padding-top:0;margin-top:0;margin-bottom:4px>Alert me about authors on all my shelves</h4><div style=font-size:11px;font-weight:700;margin-left:5px;margin-bottom:10px class=status>Status:  <span class="activestatus off"id=gghAuthorsStatus style=color:tomato>Not initialized, click "load my authors"</span></div><button id=gghAddKey>Set API Key</button> <button id=gghLoadAuthors>Load My Authors</button> <button id=gghDisableAuthors>Disable</button><hr><h4 class=textColor style=padding-top:0;margin-top:0;margin-bottom:4px>Auto-open giveaways in a new tab</h4><label><input id=gghAutonOpenCheck type=checkbox>Auto open matched authors in a new tab</label><br><hr><h4 class=textColor style=padding-top:0;margin-top:0;margin-bottom:4px>Auto Scan all pages</h4><button id=gghScan>Scan All Giveaway Pages</button></div><span><a href=https://www.paypal.me/guidovanhelvoort>This is free, if you love it, buy me a beer</a></span></div>';
			document.body.appendChild(newHTML);

			/**
			* Add button & checkbox listeners
			**/

			// Hide giveaway listeners
			document.getElementById("gghSetMinimumGiveaways").onclick = function() {
				var val = parseInt(document.getElementById('gghMinimumGiveaways').value || 0);
				localStorage.setItem('gghelper_minimumGiveaways', val);
				hideTheCheapos();
			};
			document.getElementById("gghDisableMinimumGiveaways").onclick = function() {
				localStorage.removeItem('gghelper_minimumGiveaways');
				hideTheCheapos();
			};

			// Checkboxes for Auto-enter
			document.getElementById("gghAddressCheck").addEventListener('change', function(event) {
				var on = event.target.checked;
				localStorage.setItem('gghelper_addressCheck', on ? 'on': 'off');
			});
			document.getElementById("gghTermsCheck").addEventListener('change', function(event) {
				var on = event.target.checked;
				localStorage.setItem('gghelper_termsCheck', on ? 'on': 'off');
			});
			document.getElementById("gghToReadCheck").addEventListener('change', function(event) {
				var on = event.target.checked;
				localStorage.setItem('gghelper_toReadCheck', on ? 'on': 'off');
			});
			document.getElementById("gghEnterCheck").addEventListener('change', function(event) {
				var on = event.target.checked;
				localStorage.setItem('gghelper_enterCheck', on ? 'on': 'off');
			});
			document.getElementById("gghAutonOpenCheck").addEventListener('change', function(event) {
				var on = event.target.checked;
				var authors = localStorage.getItem('gghelper_yourAuthors');

				if (authors) {
					localStorage.setItem('gghelper_autoEnter', on ? 'on': 'off');
					autoEnterDisplay();
					checkThyAuthors();
				} else {
					localStorage.setItem('gghelper_autoEnter', 'off');
					document.getElementById("gghAutonOpenCheck").checked = false;
					alert ('load up authors you\'re looking for first in the section above');
				}
			});

			document.getElementById("gghDisableAuthors").onclick = function() {
				localStorage.removeItem('gghelper_yourAuthors');
				checkThyAuthors();
			};

			document.getElementById("gghAddKey").onclick = function() {
				var key = prompt("Please enter your goodreads api key", "");

				if (key !== null && key !== '') {
					localStorage.setItem('gghelper_apiKey', key);
				}
			};
			document.getElementById("gghLoadAuthors").onclick = function() {
				var key = localStorage.getItem('gghelper_apiKey');
				if (!Boolean(key)) {
					alert('You have to set an API key first to be able to load your authors. Get one free at https://www.goodreads.com/api/keys');
					return;
				}

				var statusDiv = document.getElementById('gghAuthorsStatus');
					statusDiv.innerHTML = 'Loading up authors, this can take a while depending on your amount of books (500 authors is about 20 seconds)';

				var maxpage = 200;
				var newAuthors = [];
				var getAuthors = function() {
					statusDiv.innerHTML += '..';
					var dfd = jQuery.Deferred();
					var page = 0;
					// var shelves = ['read', 'to-read'];
					var shelves = ['all']; // probably didn't need the shelves logic grrrrrs
					var shelf = shelves.pop();
					var hitApi = function() {
						page++;
						console.log('hitting api for page ' + page);

						jQuery.ajax({
							type: "GET",
							url: "/review/list/" + qcdata.uid + ".xml?key=" + key + "&v=2&id=" + qcdata.uid + "&per_page=" + maxpage + "&shelf=" + shelf +"&page=" + page,
							dataType: "xml",
							success: function(xml) {
								var i, l;
								var json = xmlToJson(xml);
								var reviews = json.GoodreadsResponse.reviews.review;

								for (i = 0, l = reviews.length; i < l; i++) {
									var author = reviews[i].book.authors.author.name['#text'];
									author = jQuery.trim(author.replace(/\s\s+/g, ' '));
									newAuthors.push(author);
								}

								// check if we need to check the next page
								if (reviews.length === maxpage) {
									console.log('but wait! theres more!');
									hitApi();
								} else {
									if (shelves.length > 0) {
										console.log('done with shelf ' + shelf);
										shelf = shelves.pop();
										console.log('now doing shelf ' + shelf);
										page = 0;
										hitApi();
									} else {
										console.log('that\'s all folks');
										dfd.resolve();
									}
								}

							},
							error: function() {
								console.log("An error occurred while processing XML file.");
								dfd.resolve();
							}
						});
					};
					hitApi();

					return dfd;
				};

				getAuthors().done(
					function() {
						newAuthors = jQuery.unique(newAuthors);
						console.log('done! finished!');
						console.log(newAuthors);
						console.log(newAuthors.length);
						localStorage.setItem('gghelper_yourAuthors', JSON.stringify(newAuthors));
						checkThyAuthors();
					}
				);

			};

/*

			document.getElementById("gghAutoEnter").onclick = function() {
				var authors = localStorage.getItem('gghelper_yourAuthors');

				if (authors) {
					localStorage.setItem('gghelper_autoEnter', 'on');
					autoEnterDisplay();
					checkThyAuthors();
				} else {
					alert ('load up authors you\'re looking for first in the section above');
				}

			};

			document.getElementById("gghDisableAutoEnter").onclick = function() {
				localStorage.removeItem('gghelper_autoEnter');
				autoEnterDisplay();
			};

*/

			document.getElementById("gghScan").onclick = function() {
				var autoEnter = localStorage.getItem('gghelper_autoEnter');

				if (autoEnter) {

					var r = confirm("Warning! This will hit the 'next' button automatically until the last page. Any matching author giveaway will be opened in a new page (make sure to have pop ups enabled). During any time you can hit the ESCAPE key and the auto scan should halt. Enjoy!");
					if (r === true) {
						localStorage.setItem('gghelper_scanMode', 'on');
						doScan();
					}


				} else {
					alert ('auto enter should be on for this');
				}
			};




			/**
			* Main functions
			**/

			// initalize auto enter checkboxes
			function autoEnterChecks () {
				document.getElementById("gghAddressCheck").checked = (localStorage.getItem('gghelper_addressCheck') !== 'off');
				document.getElementById("gghTermsCheck").checked = (localStorage.getItem('gghelper_termsCheck') !== 'off');
				document.getElementById("gghToReadCheck").checked = (localStorage.getItem('gghelper_toReadCheck') !== 'off');
				document.getElementById("gghEnterCheck").checked = (localStorage.getItem('gghelper_enterCheck') === 'on');
			}

			// reads localStorage and sees if there are authors to highlight on the current page
			function checkThyAuthors () {
				var authors = localStorage.getItem('gghelper_yourAuthors'),
					statusDiv = document.getElementById('gghAuthorsStatus');

				if (jQuery.type(authors) === 'string') {
					authors = JSON.parse(authors);
				}

				if (authors && authors.length > 0) {
					 statusDiv.innerHTML = 'On! Loaded up with ' + authors.length + ' authors, and you will get an alert if a giveaway page has one of your authors of interest';
					 statusDiv.style.color = 'green';
					 authorHighlighter (authors);
				} else {
					statusDiv.innerHTML = 'Not initialized, set API Key and click "load my authors"';
					statusDiv.style.color = 'tomato';
				}
			}

			// reads localStorage preference to see which books are not interesting to see due to low availability
			function hideTheCheapos() {
				var minimumBooks = localStorage.getItem('gghelper_minimumGiveaways');

				jQuery('.giveawayListItem:hidden').show();

				if (minimumBooks) {
					document.getElementById('gghMinimumGiveaways').value = minimumBooks;
					document.getElementById('gghMinimumGiveawaysStatus').innerHTML = 'On! Hiding books with ' + minimumBooks + ' or less.';
					document.getElementById('gghMinimumGiveawaysStatus').style.color = 'green';
					jQuery('.giveawayListItem').each(function(index, item) {
						var limit = parseInt(jQuery.trim(jQuery(jQuery(item).find('.giveawayDetailItem')[2]).text().split('Availability:')[1].split('cop')[0]));

						if (limit <= minimumBooks) {
							item.hide();
						}

						/* slower old number check in case limit look up turns out too hacky
						for (var i = 1; (i - 1) < minimumBooks; i++ ) {
							var detail = jQuery(item).find('.giveawayDetailItem:contains("' + i + (i === 1 ? ' copy' : ' copies') + '")');
							if (detail.length > 0) {
								item.hide();
							}
						}
						*/
					});
				} else {
					document.getElementById('gghMinimumGiveawaysStatus').innerHTML = 'Off - enter a minimum giveaway amount and click save';
					document.getElementById('gghMinimumGiveawaysStatus').style.color = 'tomato';
				}
			}

			// used by checkThyAuthors to see which to highlight
			function authorHighlighter (authors) {
				jQuery('.authorName:visible').each(function(index, el) {
					var i, l, a, found = false,
						$parent,
						url,
						autoEnter = Boolean(localStorage.getItem('gghelper_autoEnter')),
						aa;

					a = removeDiacritics(jQuery(el).find('span').text());
					a = a.replace(/\s\s+/g, ' ');

					for (i = 0, l = authors.length; i < l; i++) {
						if (removeDiacritics(authors[i]) == a) {
							jQuery(el).css('background-color', 'hotpink');
							$parent = jQuery(el).closest('.giveawayListItem');
							$parent.show(); // always show authors we like
							$parent.css('background-color', 'AntiqueWhite');
							aa = a;
							found = true;
							url = $parent.find('.gr-button').attr('href');
							if (autoEnter && url) {

								window.open(url, '_blank');
							} else if (url) {
								alert('Golly! I found ' + a);
							} else {
								// we're entered already
							}
						}
					}
				});
			}

			function autoEnterDisplay () {
				document.getElementById("gghAutonOpenCheck").checked = (localStorage.getItem('gghelper_autoEnter') === 'on');
			}

			function doScan () {
				var scanMode = localStorage.getItem('gghelper_scanMode'),
					$nextBtn = jQuery('.next_page');
					localStorage.setItem('gghelper_autoEnter','on');
					autoEnterDisplay();

				if (scanMode === 'on') {
					if ($nextBtn.hasClass('disabled')) {
						localStorage.removeItem('gghelper_scanMode');
						alert('Done scanning! If I found anything for you, they should have opened in new tabs');
					} else {
						window.setTimeout(function() {
							window.location.href = jQuery('.next_page').attr('href');
						}, 500);

					}
				}

			}

			/**
			* Init
			**/

			hideTheCheapos();
			autoEnterChecks();
			checkThyAuthors();
			autoEnterDisplay();
			doScan();


		} // end of main list page logic


	}, 500); // end timeout delay so the page def rendered
})(); // end plugin