/******************************************************************************************
 * 
 * bzw2h.js
 * 
 * Karthick Balasundaram
 * 
 * BlueZone Software
 *
 ******************************************************************************************
 * 
 * This file contains various JavaScript functions needed to enhance BlueZone Web-to-Host.
 *
 ******************************************************************************************
 *
 * April 2016
 *
 */

function getBrowserType() {
	var ua = navigator.userAgent.toLowerCase();
	if (ua.indexOf("chrome") > 0) {
		return "chrome";
	} else if (ua.indexOf("firefox") > 0) {
		return "firefox";
	} else {
		return "ie";
	} 
}

function checkOSType() {
	sPlatform = navigator.appVersion.toUpperCase();
	sPlatform = ( sPlatform.indexOf("WIN") >= 0 ) ? "WIN" : ( sPlatform.indexOf("MAC") >= 0 ) ? "MAC" : "OTHER";
	
	if ( sPlatform == "OTHER" || sPlatform == "MAC") {
		$("#main_container").hide();
		$("#non_windows_os").show();
	} else {
		$("#main_container").show();
		$("#non_windows_os").hide();
	}
}

function autoCloseBrowser() {
	// this JavaScript works for IE, Safari and Chrome, but not FireFox.
	window.open('','_self','');
	window.close();
}

function getFileAsString(url, callback) {
	
	//var jqxhr = $.get(url, callback).fail(callback)
	var jqxhr = $.ajax(url)
	  .done(callback)
	  .fail(callback)
	  .always(console.log("Bz.getFileAsString.url="+url));
}

function stripUrlToLastSlash(url) {
	var idx = url.lastIndexOf("/");
	if (idx==-1) return url;
	return url.substring(0,idx);
}

function getUrlParameter(href_url, parameterName){
	/* var results = new RegExp('[\?&]' + parameterName + '=([^]*)').exec(href_url);
	if (results==null) {
		return null;
	} else {
		return results[1] || 0;
	} */
	var results = false;
	var vars = {};
	
	if (href_url.indexOf(parameterName) > -1) {
		var parts = href_url.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) {
			vars[key] = value;
		});
		results = vars[parameterName];
	}
	
	return results;
}

function checkIfSessionExpired(data) {
	var isSessionExpired;
	
	if ((typeof data == 'object') || (typeof data == 'undefined')) {
		//alert(data.status + ', ' + data.statusText);
		//if(data.statusText != '') alert(data.statusText);
		isSessionExpired = true;
	} else if (typeof data == 'string') {
		isSessionExpired = (data.indexOf("SiteMinder") > 0) && (data.indexOf("Login") > 0); // Looks for the SiteMinder LoginScreen
	} else {
		isSessionExpired = false;
	}
	return isSessionExpired;
}

function parseHostUrl() {
	
	var url = window.location.href;
	var host = window.location.hostname;
	var idxHost = url.indexOf(host);
	if (idxHost==-1) return null;
	var idxHostEnd = idxHost + host.length;
	var idxHostSlash = url.indexOf("/", idxHostEnd);
	if (idxHostSlash==-1) return null;
	if (url.length>idxHostSlash) {
		var hostUrl = url.substring(0,idxHostSlash);
		return hostUrl;
	} else {
		return url;
	}
}