// ==UserScript==
// @name         TopJob
// @namespace    UserScripts
// @version      13.0
// @author       DT
// @description  TopJob Website User Experience
// @source       https://github.com/dimuththarindu/UserScripts
// @icon         https://raw.githubusercontent.com/dimuththarindu/UserScripts/master/TopJob/Images/Icon-64.png
// @icon64URL	 https://raw.githubusercontent.com/dimuththarindu/UserScripts/master/TopJob/Images/Icon-64.png
// @updateURL  	 https://raw.githubusercontent.com/dimuththarindu/UserScripts/master/TopJob/Project/TopJob.user.js
// @downloadURL  https://raw.githubusercontent.com/dimuththarindu/UserScripts/master/TopJob/Project/TopJob.user.js
// @supportURL   https://github.com/dimuththarindu/UserScripts/issues
// @match        *://*.topjobs.lk/*
// @run-at       document-end
// @grant        GM_addStyle
// @license      Apache License 2.0
// @history      8.0 Fixed img size
// @history      5.0 Re-enable right click
// @history      4.0 Change URLs
// @history      3.2 Added Image folder
// @history      3.1 Change support URL
// @history      3.0 Small changes to the script
// @history      2.0 Change the download & update URLs
// @history      1.0 Remove the right click restriction
// ==/UserScript==


(function() {
    'use strict';

	// Remove unwanted elements
	funRemoveElements();

	funChangeElements();
})();

function funRemoveElements()
{
	document.querySelectorAll('*').forEach(element => element.style.overflow  = null);
}

function funChangeElements()
{
	// Re-enable right click menu
	funReenableRightClick();

	// Fix URLs
	funReplaceCrazyURLs();

	// Fix image size
	if(window.location.pathname.includes("/employer/JobAdvertismentServlet"))
	{
		funGetElement('/html/body/div/div', 'foreignDOMStyle');
		document.getElementById("foreignDOMStyle").style.width = "90%";

		funGetElement('//div[@id="remark"]/p/img', 'foreignDOMImgStyle', '//div[@id="remark"]/p/a/img');
		document.getElementById("foreignDOMImgStyle").style.maxWidth = "100%";
        document.getElementById("foreignDOMImgStyle").style.height = "auto";
		document.getElementById("foreignDOMImgStyle").style.display = "block";
		document.getElementById("foreignDOMImgStyle").style.marginLeft = "auto";
		document.getElementById("foreignDOMImgStyle").style.marginRight = "auto";
	}
	else if(window.location.pathname.includes("/employer/advertismentpreview.jsp"))
	{
		funGetElement('//div[@id="remark"]/p/img', 'foreignDOMImgStyle', '//div[@id="remark"]/p/a/img');
		document.getElementById("foreignDOMImgStyle").style.maxWidth = "100%";
        document.getElementById("foreignDOMImgStyle").style.height = "auto";
		document.getElementById("foreignDOMImgStyle").style.display = "block";
		document.getElementById("foreignDOMImgStyle").style.marginLeft = "auto";
		document.getElementById("foreignDOMImgStyle").style.marginRight = "auto";

		funGetElement('//div[@id="upper"]', 'foreignDOMRemPad');
		document.getElementById("foreignDOMRemPad").style.padding = "2px";
	}
    else if(window.location.pathname.includes("/vacancy"))
	{
		funGetElement('//div[@id="remark"]/p/img', 'foreignDOMImgStyle', '//div[@id="remark"]/p/a/img');
		document.getElementById("foreignDOMImgStyle").style.maxWidth = "100%";
        document.getElementById("foreignDOMImgStyle").style.height = "auto";		
		document.getElementById("foreignDOMImgStyle").style.display = "block";
		document.getElementById("foreignDOMImgStyle").style.marginLeft = "auto";
		document.getElementById("foreignDOMImgStyle").style.marginRight = "auto";
	}
}

// Re-enable right click
function funReenableRightClick()
{
    document.oncontextmenu = undefined;
	javascript:void(document.oncontextmenu=null); //document.querySelectorAll('*').forEach(element => element.oncontextmenu = null)
}

// Get Element by using xpath
function funGetElement(xPath, idName, backupXPath = "")
{
	let ele = document.evaluate(xPath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
	
	if (ele == null)
	{
		ele = document.evaluate(backupXPath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;		
	}
	
	if (ele != null)
	{
		ele.id = idName;
	}

	return ele;
}

// Fix crazy URLs
function funReplaceCrazyURLs()
{
	// replace all URLs
    var links = document.links;
    for (var i = 0; i < links.length; i++) {

		if(links[i].href.includes("javascript:openSizeWindow('../employer/JobAdvertismentServlet"))
		{
			// Href URL: javascript:openSizeWindow('../employer/JobAdvertismentServlet?rid=3&ac=0000000419
			// &jc=0000689612&ec=0000000552&pg=applicant/vacancybyfunctionalarea.jsp',1098,631,
			// 'quickvacancysearch_17DH+5vzluofT1dbd2GGz7-Nf')

			links[i].href = links[i].href.substring(0, links[i].href.indexOf(".jsp'") + 4);
			links[i].href = links[i].href.replace("javascript:openSizeWindow('..", window.location.origin);
			links[i].target = "_blank";
		}
		else if(links[i].href.includes("javascript:openSizeWindow('employer/JobAdvertismentServlet"))
		{
			// Href URL: javascript:openSizeWindow('employer/JobAdvertismentServlet?ac=DEFZZZ&ec=DEFZZZ&jc=0000689952&pg=index.jsp',1098,631,'tjadv')
			// Generated URL: http://topjobs.lk/employer/JobAdvertismentServlet?ac=DEFZZZ&ec=DEFZZZ&jc=0000689952&pg=index.jsp

			links[i].href = links[i].href.substring(0, links[i].href.indexOf(".jsp'") + 4);
			links[i].href = links[i].href.replace("javascript:openSizeWindow('", window.location.origin + "/");
			links[i].target = "_blank";
		}
    }
}