var apiURL = "https://api.businesswire.com/contentapi";
var imageURL = "https://www.businesswire.com/images/restcontent_loading.gif";
/**
 * ensure all of the variables we need are here; load container page
 * @param uri
 */
function loadContainerPage(uri){
	if(!varExists("apiURL")){
		alert("No api URL provided - sleepycat-properties.js file must be included.");
	}
	var encodedURI = encodeURIComponent(uri);
	var containerSrc = apiURL + "/containerpage/" + encodedURI;
	replaceBwContent(containerSrc);
}

/**
 * returns true if variable defined; else false
 * @param varToCheck
 * @returns {Boolean}
 */
function varExists(varToCheck){
	if(typeof(window[varToCheck]) == 'undefined'){
		return false;
	}else{
		return true;
	}
}

function replaceBwContent(src) {
	return replaceBwElement('#bwContent', src);
}

var bwComponents = {
	bwEventLinks: apiURL + '/profile/bwEventLinks/',
	bwPressKitLinks: apiURL + '/profile/bwPressKitLinks/',
	bwEventDetails: apiURL + '/event/bwEventDetails/',
	bwEventLogo: apiURL + '/event/bwEventLogo/',
	bwPressKitLogo: apiURL + '/presskit/bwPressKitLogo/',
	bwEventDesc: apiURL + '/event/bwEventDesc/',
	bwPressKitDesc: apiURL + '/presskit/bwPressKitDesc/',
	bwEventTitle: apiURL + '/event/bwEventTitle/',
	bwPressKitBooth: apiURL + '/presskit/bwPressKitBooth/',
	bwPressKitTitle: apiURL + '/presskit/bwPressKitTitle/',
	bwEventSharing: apiURL + '/event/bwEventSharing/',
	bwPressKitSharing: apiURL + '/presskit/bwPressKitSharing/',
	bwNewsHeadlines: apiURL + '/headlines/bwNewsHeadlines/',
	bwNewsRelease: apiURL + '/release/bwNewsRelease/',
	bwEventNavigation: apiURL + '/event/bwEventNavigation/',
	bwPressKitNavigation: apiURL + '/presskit/bwPressKitNavigation/',
	bwBackToEvent: apiURL + '/event/bwBackToEvent/', 
	bwEventPressKits: apiURL + '/event/bwEventPressKits/',
	bwPressKitAddress: apiURL + '/profile/bwPressKitAddress/', 
	bwPressKitFiles: apiURL + '/presskit/bwPressKitFiles/', 
	bwPressKitContacts: apiURL + '/profile/bwPressKitContacts/',
	// The following are view only components, meaning they don't have an underlying model but are used 
	// for the layout or presentation of the page only. Examples include search or backTo links
	bwSearch: apiURL + '/view/bwSearch/',
	bwBackTo: apiURL + '/view/bwBackTo/',
	bwNewPopularNavigation: apiURL + '/view/bwNewPopularNavigation/'
};

function getBwComponentURL(component) {
	return bwComponents[component];
}

/**
 * populate the bw Elements
 * criteria is in the parameters for the page. Each model has it's own criteria 
 * 
 * Example for a pressKit criteria
 * presskit=IBC2010/ibc2010
 * 
 * For headlines
 * headlines=event/IBC2010?headlines.page=3
 * @param criteria
 */
function populateBwElements(criteria) {
	bwJQuery(function (){  

		bwJQuery('div[class^="bw"]').each(function() {
			var bwObj = this.className;

			// check if it's a known component
			if (bwObj in bwComponents) {

				// check if criteria is available for the component
				var criteriaValue = getCriteriaForComponent(criteria, bwObj);
				if (criteriaValue != null) {
					replaceBwElement('.' + bwObj, bwComponents[bwObj] + criteriaValue);
				} else if (isViewComponent(bwObj)) {
					replaceBwElement('.' + bwObj, bwComponents[bwObj]);
				}
			}
		});
	});  
}

function populateTargetBwElements(releaseTargetClass, criteria) {
	bwJQuery(function (){  
		var bwObj = "bwNewsRelease";
		
		var criteriaValue = getCriteriaForComponent(criteria, bwObj);
		if (criteriaValue != null) {
			replaceBwElement(releaseTargetClass, bwComponents[bwObj] + criteriaValue);
		}
	});  
}

function isViewComponent(component) {
	if (bwComponents[component] != null && bwComponents[component].indexOf(apiURL + '/view/') == 0) {
		return true;
	} else {
		return false;
	}
}

function getComponentCriteria(component) {
	return getCriteriaForComponent(containerPage.split('?')[1], component);
}

function getModelCriteria(model) {
	var criteria = containerPage.split('?')[1];
	var criterias = criteria.split('&');
	// Can not use foreach syntax - prototyped methods on Array will break
	// our code
//	for (idx in criterias) {
	var len = criterias.length;
	for(var i=0; i < len; i++){
		var modelCriteria = criterias[i];
		var split = modelCriteria.split('=');
		if (split[0] == model) {
			if ('view' == model){
				return split[1] + getQueryParamsForModel(criteria, model);
			} else {
				return decodeURIComponent(split[1]) + getQueryParamsForModel(criteria, model);
			}
		}
	}
}

/**
 * Use this if you have a select box that changes the headline config.
 * @param selector jQuery type selector of select list
 */
function setVnsHeadlineSelect(selector) {
	if (containerPage.indexOf('headlines.searchTerm=') == -1) {
		var vnsPatt = /vns\/\d+\/(\d+)/;
		var vnsId = vnsPatt.exec(getModelCriteria('headlines'));
		if (vnsId != null && vnsId.length > 1) {
			bwJQuery(selector).val(vnsId[1]);
		}
	}
}

/**
 * TODO: Refactor this to put all criteria into an Object, then pull from that object.
 * Extract the specific criteria for a component from 
 * the URL containing all the criteria for the page 
 * @param criteria the entire page criteria such as 'event=IBC2010&headlines=event%2FIBC2010'
 * @param component the component such as 'bwEventTitle'
 * @returns criteria URL decoded for normal components, not decoded for view components
 */
function getCriteriaForComponent(criteria, component) {
	var criterias = criteria.split('&');

	// Can not use foreach syntax - prototyped methods on Array will break
	// our code
//	for (idx in criterias) {
	var len = criterias.length;
	for(var i=0; i < len; i++){
		var modelCriteria = criterias[i];
		var split = modelCriteria.split('=');
		var criteriaModel = split[0];
		
		// check if this model is appropriate for the Component OR it's a view component. 
		if (bwComponents[component].indexOf(criteriaModel + "/" + component) != -1) {
//			console.log( decodeURIComponent(split[1]) + getQueryParamsForModel(criteria, criteriaModel));
			return decodeURIComponent(split[1]) + getQueryParamsForModel(criteria, criteriaModel);
		} else if (bwComponents[component].indexOf("view/" + criteriaModel) != -1)	{
//			console.log(split[1] + getQueryParamsForModel(criteria, 'view'));
			return split[1] + getQueryParamsForModel(criteria, 'view');
		}
	}
	return null;
}

/**
 * Get any params for the model
 * Example: headlines.page=5
 * @param criteria event=IBC2010&presskit=IBC2010/ibc2010&profile=IBC2010/ibc2010&headlines=presskit/IBC2010/ibc2010&bwTabContent=bwNewsHeadlines&headlines.page=2
 * @param model headlines or view
 */
function getQueryParamsForModel(criteria, model) {
	var params = criteria.split('&');
	var modelParams = new Array();
	// Can not use foreach syntax - prototyped methods on Array will break
	// our code
//	for (idx in params) {
	var len = params.length;
	for(var i=0; i < len; i++){	
		if (params[i].indexOf(model + '.') == 0) {
			modelParams[modelParams.length] = params[i]; 
		}
	}
	
	if (modelParams.length != 0) {
		return '?' + modelParams.join('&');
	} else {
		return '';
	}
}

/**
 * Replace the content of a bw (div) element, optionally adding a new element in the process
 * @param selector
 * @param src
 * @param newBwElement Optional - if specified, create this newBwElement in the selector. 
 *                     This is currently used with tab navigation (the old content is removed and a new element is created)
 * @returns {Boolean}
 */
function replaceBwElement(selector, src, newBwElement) {
	var element = bwJQuery(selector);
	
	// verify the element
	if (!element.length) {
		// the bwTabContent may not exist
		//alert('Cannot find element: ' + selector);
		return false;
	} 
	
	element.empty();

	if (newBwElement != undefined) {
		element.append('<div class="' + newBwElement + '"><img title="loading..." alt="loading..." src="' + imageURL + '" /></div>');
	} else {
		element.prepend('<img title="loading..." alt="loading..." src="' + imageURL + '" />');
	}
	
	element.append('<script async="async" type="text/javascript" src="' + src + '"></script>');
	return false;
}

function removeParameter(url, param) {
	param = param.replace('.','\\.'); // TODO: loop through all the regex special chars...
	url = url.replace(new RegExp("(&|\\?)" + param + "=[^&]*&?", "g"), "$1"); // leave the ? or & 
	url = url.replace(new RegExp("(.*)(&|\\?)$"), "$1"); // remove a possible trailing & or ?
	return url;
}

function addParameter(url, param, value) {
	url = removeParameter(url, param);

	// split at the &bwBackTo to add the param to the 'current' page
	var curBack = url.split("&bwBackTo=");
	if (curBack[0].indexOf('?') > 0) {
		curBack[0] += '&';
	} else {
		curBack[0] += '?';
	}
	
	curBack[0] += param + '=' + value;

	if (curBack.length > 1) {
		return curBack[0] + "&bwBackTo=" + curBack[1];
	} else {
		return curBack[0];
	}

}

function getBwReleaseParams() {
	var bwReleaseParams = window.location.href.match(/(\?|&)BusinessWireRelease=([^&$]+)/);
	if (bwReleaseParams != null) {
		var idAndLang = bwReleaseParams[2].split('-');
		return new Array(idAndLang[0],idAndLang[1]);
	}
}

function navToReleaseView(releaseId, lang, vnsId, releaseTargetClass, clientReleaseDivId, clientReleaseDivClass) {
	// use the current page without query as a starting point...
	var lastSlash = currentPage.lastIndexOf("/");
	var vnsIdParam = "";
	
	if (vnsId !== undefined || vnsId != "") {
		vnsIdParam = "&release.vnsId=" + vnsId;
	}
	
	// at this point, we need a way to navigate back to the current page (event or presskit or headlines)
	if (releaseTargetClass === undefined || releaseTargetClass == "") {
		var encodedURI = encodeURIComponent(currentPage.substr(0, lastSlash + 1) + "release_container.html?release=" + releaseId + "/" + lang + vnsIdParam + "&bwBackTo=" + encodeURIComponent(containerPage));
		var containerSrc = apiURL + "/containerpage/" + encodedURI;
	
		replaceBwContent(containerSrc);
	} else {	
		var encodedURI = encodeURIComponent(currentPage.substr(0, lastSlash + 1) + "release_container.html?release=" + releaseId + "/" + lang + vnsIdParam + "&release.releaseTargetClass=" + releaseTargetClass + "&release.clientReleaseDivId=" + clientReleaseDivId + "&release.clientReleaseDivClass=" + clientReleaseDivClass);
		var containerSrc = apiURL + "/containerpage/" + encodedURI;
		$("." + releaseTargetClass).empty();
		$("." + releaseTargetClass).append('<script async="async" type="text/javascript" src="' + containerSrc + '"></script>');
	}
	return false;
}

// This is called when 'Home' button is clicked on targetted release.  This reverts the client's content div back and removes our release
function navReturn(clientReleaseTarget, releaseTargetClass) {
	if (clientReleaseTarget != "") {
		$(clientReleaseTarget).fadeIn(2000);	    
		$('.' + releaseTargetClass).empty();
	}
}

// This is called when a targetted release loads.  This hides the client's content div so our release is shown
function navHideClientTarget(clientReleaseTarget, releaseTargetClass) {
	if (clientReleaseTarget != "") {
		$(clientReleaseTarget).fadeOut(2000);
	}
	
	if (clientReleaseTarget == "") {
	    $('html, body').animate({
	        scrollTop: $('.' + releaseTargetClass).offset().top
	    }, 'fast');
	} else {
	    $('html, body').animate({
	        scrollTop: $(clientReleaseTarget).offset().top
	    }, 'fast');
	}
}

function trackEvent(action, label, value){
	postToAnalytics('_trackEvent', action, label, value);
}

function postToAnalytics(category, action, label, value){
	//make sure we have google analytics...
	if(typeof _gaq == 'object' && typeof _gaq.push == 'function'){
		_gaq.push([category, action, label, value]);	
	}	
}

var iconDir='https://www.businesswire.com/images/icons/';    
var bwJQuery = jQuery.noConflict();
// document.write('<div id="bwContent"></div>');
bwJQuery('script[src*="businesswire.com/contentapi"]').after('<div id="bwContent"></div>');

var tmpCustDollarVar = undefined;
if(typeof $ != 'undefined'){
	tmpCustDollarVar = $;
}
bwJQuery.ajaxSetup({cache: true});
var releaseParams = getBwReleaseParams();
if (releaseParams != null) {
	var currentPage = 'https://www.businesswire.com/tsn/financialpost3/internal/vns_container.html?headlines=vns%2F130211&headlines.useSeparateReleaseViewPage=true&headlines.useNdmConfig=true';
	var containerPage = 'https://www.businesswire.com/tsn/financialpost3/internal/vns_container.html?headlines=vns%2F130211&headlines.useSeparateReleaseViewPage=true&headlines.useNdmConfig=true';
	navToReleaseView(releaseParams[0], releaseParams[1]);
} else {
	loadContainerPage('https://www.businesswire.com/tsn/financialpost3/internal/vns_container.html?headlines=vns%2F130211&headlines.useSeparateReleaseViewPage=true&headlines.useNdmConfig=true');
}
if (typeof tmpCustDollarVar != 'undefined'){
	$ = tmpCustDollarVar;
}