// ==UserScript==
// @name			Yoder
// @author			Sasquatch
// @version			1.0.0
// @namespace		http://www.turksquatch.com/
// @homepage		http://www.turksquatch.com/
// @description		Tame the internet.
// @require			http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js
// @include			https://www.mturkcontent.com/*
// @include			https://www.google.com/*
// @grant			none
// ==/UserScript==

//to do - highlight search term, add functionality to given domain

var autosubmit = false;

String.prototype.strip_html = function() {
	var tmp = document.createElement('div');
	tmp.innerHTML = this;
	return tmp.textContent || tmp.innerText;
}

function copyText(evt) {
	if (evt.keyCode == 59 && evt.ctrlKey) {
		var selectedText = getText();
		if (selectedText && selectedText != '') {
			sendText(selectedText);
		} else {
			alert('Nothing selected');
		}
	}
	if (evt.keyCode == 222 && evt.ctrlKey) {
		sendText("N/A");
	}
}

function getText() {
    var userSelection = '';
    if (typeof window.getSelection != 'undefined') {
        var sel = window.getSelection();
        if (sel.rangeCount) {
            var container = document.createElement('div');
            for (var i = 0, len = sel.rangeCount; i < len; ++i) {
                container.appendChild(sel.getRangeAt(i).cloneContents());
            }
            userSelection = container.innerHTML.strip_html();
        }
    } else if (typeof document.selection != 'undefined') {
        if (document.selection.type == 'Text') {
            userSelection = document.selection.createRange().htmlText.strip_html();
        }
    }
	return userSelection;
}

function sendText(textVar) {
	window.opener.postMessage({ securitycheck: "fromgooglesearch", dataval: textVar }, "*");
}

function highlightTerm(term) {
	$('#ires>*').each(function(){
	if ($(this).html().indexOf(term) > -1) {
		var regex = new RegExp(term, 'gi');
		$(this).html($(this).html().replace(regex ,'<span style=\'background:yellow\'>'+term+'</span>' ));
	}
	});
}

if (window.location.href.indexOf('mturkcontent') > -1) {
	document.getElementById('mturk_form').onsubmit = function() {
		searchWin.close();
	}
	window.addEventListener('message', function(e) {
		if (e.data.securitycheck === 'fromgooglesearch') {
			self.focus();
			document.getElementById('web_url').focus();
			document.getElementById('web_url').value = e.data.dataval;
			if (autosubmit) {
				document.getElementById('mturk_form').submit();
			}
		}
	}, false);
	var domainName = document.getElementsByTagName('td')[1].innerHTML.trim();
	var directUrl = 'http://' + domainName;
	var googleBase = 'https://www.google.com/search?q=';
	var queryString = encodeURIComponent(domainName);
	var searchUrl = googleBase + queryString;
	var w = screen.availWidth/2;
	var h = screen.availHeight;
	searchWin = window.open(searchUrl, 'Search Page', 'width='+w+', height='+h+', scrollbars=yes, toolbar=yes');
	searchWin.moveTo(w,0);
} else {
	if (window.location.href.indexOf('google.com') > -1) {
		var searchTerm = window.location.href.split('q=')[1].split('&')[0];
	}
	highlightTerm(searchTerm);
	document.onkeydown = copyText;
}