/****
 * Need 3 files, pn.js / sw.js / and manifest file in header.
 * 
 * Making Live .. change following things
 * - subscription_api - Path in pn.js
 * - dataAPI - Path in sw.js file
 * - Sender Id - manifest file (if its different for live project.)
 */
var TimesApps = window.TimesApps || {};
var pn_js=(function () {
    var moduleData = {},
        config ={
        'site_logo': '/photo/75555693.cms',
        'swjs_path' : '/sw.cms?v=33',
    
        'web_url' : 'http://jeetbetwin.com/etimes',
        'web_source' : 'toiweb',
        'web_domain' : '.jeetbetwin.com',
        'web_subscription_cookie' : '_tointfcsubscriptionid',
        'web_fallback_cookie' : '_tointfcsubscribed',
        'web_fallback_cookie_value' : 'true',
        'web_allow_cookie' : '_tointfcallow',
        'web_allow_cookie_value' : 'true',
        'web_block_cookie' : '_tointfcblock',
        'web_block_cookie_value' : 'true',
        'web_ignore_cookie' : '_tointfcskip',
        'web_ignore_cookie_value' : 'true',
        'wap_url' : 'http://m.timesofindia.com/etimes',
        'wap_source' : 'toiwap',
        'wap_domain' : '.timesofindia.com',
        'wap_subscription_cookie' : '_tointfcsubscriptionid',
        'wap_fallback_cookie' : '_tointfcsubscribed',
        'wap_fallback_cookie_value' : 'true',
        'wap_allow_cookie' : '_tointfcallow',
        'wap_allow_cookie_value' : 'true',
        'wap_block_cookie' : '_tointfcblock',
        'wap_block_cookie_value' : 'true',
        'wap_ignore_cookie' : '_tointfcskip',
        'wap_ignore_cookie_value' : 'true',
        'ntfc_tag' : 'toinews-notification',
        'ntfc_subscription_cookie_expiry' : 365,
        'ntfc_fallback_cookie_expiry' : 365,
        'ntfc_allow_cookie_expiry' : 365,
        'ntfc_block_cookie_expiry' : 365,
        'ntfc_ignore_cookie_expiry' : 3,
    
        'auto_redirect_timer' : 5,
        'redirection_param_enabled' : true,
    
        'ga_enable' : true,
        'ga_category' : 'PushBrowserSubscription',
        'ga_allow_event' : 'Push_browser_View',
        'ga_block_event' : 'Push_browser_View',
        'ga_ignore_event' : 'Push_browser_View',
        'ga_allow_label' : 'Push_browser_Allow',
        'ga_block_label' : 'Push_browser_block',
        'ga_ignore_label' : 'Push_browser_cross',
        'ga_unregister_event' : 'unregistered',
        'ga_autoredirect_event' : 'Auto',
        'ga_btn_allow' : 'GotIT_Allow',
        'ga_btn_block' : 'GotIT_Block',
        
        'utm_enabled' : true,
        'utm_source' : 'browser_notification',
        'utm_medium' : '',
        'utm_campaign' : 'ETimes_browsernotification',
        
        'subscription_api' : 'http://timesnotifications.jeetbetwin.com/push-notification/subscribe',
        
        'wlcm_ntfc_title' : 'ETimes',
        'wlcm_ntfc_msg' : 'Thank you for subscribing to ETimes notifications.',
        
        'safari_pushId': 'web.com.times.push',
        'safari_requestUrl': 'http://timesnotifications.jeetbetwin.com/push-notification/safari',
        'safari_notification_init': false
    };
    
       
    function getSource(){
    	return (isMobile() === true) ? config.wap_source : config.web_source;
    }
    
    function getBrowser(){
        if(/Chrome/i.test(navigator.userAgent)){
            return 'chrome';
        }else if(/firefox/i.test(navigator.userAgent)){
            return 'mozilla';
        }else if(/^((?!chrome|android).)*safari/i.test(navigator.userAgent)){
            return 'safari';
        }
        return '';
    }
    
    function getOs(){
        var OSName="Unknown OS";
        if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";
        if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
        if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
        if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";
        return OSName;
    }
    
    function getAction(act){
        return (isMobile() === true) ? act + '_Wap' : act;
    }
    
    function getUrl(){
        return (isMobile() === true) ? config.wap_url : config.web_url;
    }
    
    function getRedirectionUrl(action){
        var url = getUrl(),
            ga_action = getAction(action); 
        
        if(!!document.referrer){
            url = document.referrer;
        }
         
        if(action=='wlcm'){
           return appendUTMParams(url);
        }else{
            url = appendRedirectionParam(url);
        }
        
        //triggerGAEvent(config.ga_category, ga_action, getBrowser());
        
        return url;
    }
    
    function appendUTMParams(url){
        if(!config.utm_enabled)
            return url;
        var utm_params = "utm_source="+config.utm_source+"&utm_medium="+((config.utm_medium.length) ? config.utm_medium : getBrowser())+"&utm_campaign="+config.utm_campaign;
        return url + ((url.indexOf('?')!=-1) ? '&' : '?') + utm_params;
    }
    
    function appendRedirectionParam(url){
        if(!config.redirection_param_enabled)
            return url;
        return url + ((url.indexOf('?')!=-1) ? '&' : '?')+ config.utm_campaign +"=true";
    }
    
    function getEndPoint(){
        var is_firefox = /firefox/i.test(navigator.userAgent),
            endpoint = is_firefox ? 'http://updates.push.services.mozilla.com/wpush/v1':'http://fcm.googleapis.com/fcm/send';
        return endpoint;
    }
    function fetchSubscriptionId(endpoint){
        var is_firefox = /firefox/i.test(navigator.userAgent);
        var strToBeReplaced = is_firefox ? 'http://updates.push.services.mozilla.com/wpush/v1':'http://fcm.googleapis.com/fcm/send';
        var subscriptionId = endpoint.replace(strToBeReplaced+"/","");
        return subscriptionId;
    }
    function isMobile(){
        return (function(a) {
            return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0, 4));
        })(navigator.userAgent || navigator.vendor || window.opera);
    }
    
    function setCookie(name, value, days, path, domain, secure ) {
        var expires = '';
        days = ( days !== undefined ) ? days : 30;
        var date = new Date();
        date.setTime( date.getTime() + ( days * 24 * 60 * 60 * 1000 ) );
        expires = '; expires=' + date.toGMTString();
        domain = ( domain || document.location.host ).split( ":" )[ 0 ]; //removing port
        path = path || document.location.pathname;
        //Removing file name, fix for IE11
        if( /\/.*\..*/.test( path ) ) { //if path contains file name
            path = path.split( "/" );
            path.pop();
            path = path.join( "/" );
        }
        document.cookie = name + '=' +
        value + expires +
        ( ( path ) ? ';path=' + path : '' ) +
        ( ( domain && domain !='localhost' ) ? ';domain=' + domain : '' ) +
        ( ( secure ) ? ';secure' : '' );
    }
    
    function getCookie( name ) {
		var result = name ? undefined : {};
		var cookies = document.cookie ? document.cookie.split( '; ' ) : [];
		for( var i = 0, l = cookies.length; i < l; i++ ) {
			var parts = cookies[ i ].split( '=' );
			var nameK = decodeURIComponent( parts.shift() );
			var cookie = parts.join( '=' );
			cookie = parseCookieValue( cookie );
			if( name && name === nameK ) {
				result = cookie;
				break;
			}
			if( !name && cookie !== undefined ) {
				result[ nameK ] = cookie;
			}
		}
		return result;
	};
	
	function parseCookieValue( s ) {
		if( s.indexOf( '"' ) === 0 ) {
			// This is a quoted cookie as according to RFC2068, unescape...
			s = s.slice( 1, -1 ).replace( /\\"/g, '"' ).replace( /\\\\/g, '\\' );
		}
		try {
			// If we can't decode the cookie, ignore it, it's unusable.
			// Replace server-side written pluses with spaces.
			return decodeURIComponent( s.replace( /\+/g, ' ' ) );
		} catch( e ) {}
	};
    
    function triggerGAEvent(catg, action, label){
        if(typeof ga!="undefined" && config.ga_enable){
            ga('send', 'event', catg, action, label);
        }
    }
    
    var GCM_ENDPOINT = getEndPoint();
    // This method handles the removal of subscriptionId
    // in Chrome 44 by concatenating the subscription Id 
    // to the subscription endpoint
    function endpointWorkaround(pushSubscription) {
        if (pushSubscription.endpoint.indexOf(GCM_ENDPOINT) !== 0) {
            return pushSubscription.endpoint;
        }
    
        var mergedEndpoint = pushSubscription.endpoint;
        // chrome 42 + 43 will not have the subscriptionId attached to the endpoint.
        if (pushSubscription.subscriptionId &&
            pushSubscription.endpoint.indexOf(pushSubscription.subscriptionId) === -1) {
            // handle version 42 where you have separate subId and Endpoint
            mergedEndpoint = pushSubscription.endpoint + '/' +
                pushSubscription.subscriptionId;
        }
        return mergedEndpoint;
    }
    
    function sendSubscriptionToServer(subscription) {
        var mergedEndpoint = endpointWorkaround(subscription);
        showCurlCommand(mergedEndpoint);
    }

    function showCurlCommand(mergedEndpoint) {
        if (mergedEndpoint.indexOf(GCM_ENDPOINT) !== 0) {
            console.log('This browser isn\'t currently ' +
                'supported for this demo');
            return;
        }
    
        var endpointSections = mergedEndpoint.split('/');
        var subscriptionId = endpointSections[endpointSections.length - 1];
        try {
            var dataObj = {};
            dataObj.subscribeId = subscriptionId;
            dataObj.source = getSource();
            dataObj.sections = '';
            dataObj.browser = getBrowser();
            dataObj.cities = '';
        
            // $.post(config.subscription_api, dataObj)
            //   .done(function( data ) {
            //   });
            if(isMobile()===true){
                setCookie(config.wap_subscription_cookie, subscriptionId , config.ntfc_subscription_cookie_expiry, "/", config.wap_domain, false);
            }else{
                setCookie(config.web_subscription_cookie, subscriptionId , config.ntfc_subscription_cookie_expiry, "/", config.web_domain, false);
            }  
            $.ajax({
                type: "POST",
                url: config.subscription_api,
                data: dataObj,
                dataType: 'json',
                cache: false,
                success: function (result) {
                    if(isMobile()===true){
                        setCookie(config.wap_fallback_cookie, config.wap_fallback_cookie_value , config.ntfc_fallback_cookie_expiry, "/", config.wap_domain, false);
                    }else{
                        setCookie(config.web_fallback_cookie, config.web_fallback_cookie_value , config.ntfc_fallback_cookie_expiry, "/", config.web_domain, false);
                    }
                },
                error:function (error) {
                   console.log("error while subscribing to notification from backend")
                }
            });  
            
            if(typeof grx != 'undefined'){
               grx('profile', 'fcm_token', {fcmId: subscriptionId}); 
            }
            
            
        } catch (ex) {
            alert("EX" + ex);
        }
    
    }
    
    
    function hitServerApiOnPreviousSubscription(subscriptionId){
        try {
            var dataObj = {};
            dataObj.subscribeId = subscriptionId;
            dataObj.source = getSource();
            dataObj.sections = '';
            dataObj.browser = getBrowser();
            dataObj.cities = '';
        
            if(isMobile()===true){
                setCookie(config.wap_subscription_cookie, subscriptionId , config.ntfc_subscription_cookie_expiry, "/", config.wap_domain, false);
            }else{
                setCookie(config.web_subscription_cookie, subscriptionId , config.ntfc_subscription_cookie_expiry, "/", config.web_domain, false);
            }  
            $.ajax({
                type: "POST",
                url: config.subscription_api,
                data: dataObj,
                dataType: 'json',
                cache: false,
                success: function (result) {
                    if(isMobile()===true){
                        setCookie(config.wap_fallback_cookie, config.wap_fallback_cookie_value , config.ntfc_fallback_cookie_expiry, "/", config.wap_domain, false);
                    }else{
                        setCookie(config.web_fallback_cookie, config.web_fallback_cookie_value , config.ntfc_fallback_cookie_expiry, "/", config.web_domain, false);
                    }
                },
                error:function (error) {
                   console.log("error while subscribing to notification from backend")
                }
            });  
            
            if(typeof grx != 'undefined'){
               grx('profile', 'fcm_token', {fcmId: subscriptionId}); 
            }
            
            
        } catch (ex) {
            alert("EX" + ex);
        }
    }
    
    function unregisterServiceWorker(type){
        //triggerGAEvent(config.ga_category, getAction(config.ga_unregister_event + '_' + type), getBrowser());
        var ifrm = document.createElement("iframe");
        ifrm.setAttribute("src", "http://timesofindianotifications.jeetbetwin.com/toinotification/unregister.htm");
        ifrm.style.width = "1px";
        ifrm.style.height = "1px";
        ifrm.style.display = "None";
        document.body.appendChild(ifrm);
    };
    
    function unregisterSWPath(path){
    	navigator.serviceWorker.getRegistrations().then(function(registrations) {
            for(var registration of registrations) {
    			if (registration.active && typeof registration.active.scriptURL == 'string' && registration.active.scriptURL.indexOf(path) > -1){
    				registration.unregister();
    				return true;
    			}
    		}
    	});
    };

    
    function subscribe() {
        navigator.serviceWorker.ready.then(function(serviceWorkerRegistration) {
            serviceWorkerRegistration.pushManager.subscribe({
                    userVisibleOnly: true
                })
                .then(function(subscription) {
                    if(isMobile()===true){
                        setCookie(config.wap_allow_cookie, config.wap_allow_cookie_value , config.ntfc_allow_cookie_expiry, "/", config.wap_domain, false);
                    }else{
                        setCookie(config.web_allow_cookie, config.web_allow_cookie_value , config.ntfc_allow_cookie_expiry, "/", config.web_domain, false);
                    }
                    triggerGAEvent(config.ga_category, getAction(config.ga_allow_event), config.ga_allow_label);
                    showWelcomeNotification(serviceWorkerRegistration);
                    unregisterServiceWorker('allow');
                    return sendSubscriptionToServer(subscription);
                })
                .catch(function(e) {
                    if (Notification.permission === 'denied') {
                        if(isMobile()===true){
                            setCookie(config.wap_block_cookie, config.wap_block_cookie_value , config.ntfc_block_cookie_expiry, "/", config.wap_domain, false);
                        }else{
                            setCookie(config.web_block_cookie, config.web_block_cookie_value , config.ntfc_block_cookie_expiry, "/", config.web_domain, false);
                        }
                        triggerGAEvent(config.ga_category, getAction(config.ga_block_event),  config.ga_block_label);
                        unregisterServiceWorker('block');
                        console.log('Permission for Notifications was denied');
                    } else if (Notification.permission === 'default') {
                        if(isMobile()===true){
                            setCookie(config.wap_ignore_cookie, config.wap_ignore_cookie_value , config.ntfc_ignore_cookie_expiry, "/", config.wap_domain, false);
                        }else{
                            setCookie(config.web_ignore_cookie, config.web_ignore_cookie_value , config.ntfc_ignore_cookie_expiry, "/", config.web_domain, false);
                        }
                        triggerGAEvent(config.ga_category, getAction(config.ga_ignore_event), config.ga_ignore_label);
                    } else {
                        console.log('Unable to subscribe to push.', e);
                    }
                });
                
        });
    }
    
    function showWelcomeNotification(sw_reg) {
        try {
            var notification = sw_reg.showNotification(config.wlcm_ntfc_title, {
                'body': config.wlcm_ntfc_msg,
                'icon': config.site_logo,
                'vibrate': [300, 100, 400], // Vibrate 300ms, pause 100ms, then vibrate 400ms
                'tag': config.ntfc_tag,
                'data': getRedirectionUrl('wlcm')
            });
            notification.onclick = function (event) {
                event.target.close();
                window.open(event.target.data);
                return;
            };
        } catch (err) {
            console.log(err)
        }
    }
    // Once the service worker is registered set the initial state
    function initialiseState() { 
        if (!('showNotification' in ServiceWorkerRegistration.prototype)) {
            console.log('Notifications aren\'t supported.');
            return;
        }
    
        if (Notification.permission === 'denied') {
            console.log('The user has blocked notifications.');
            return;
        }
    
        // check for push messaging support
        if (!('PushManager' in window)) {
            console.log('Push messaging isn\'t supported.');
            return;
        }
    
        // service worker registration to check for a subscription
        navigator.serviceWorker.ready.then(function(serviceWorkerRegistration) {
            serviceWorkerRegistration.pushManager.getSubscription()
                .then(function(subscription) {
                    if (!subscription) {
                        subscribe();
                        return;
                    }
                    else{
                        var subscriptionId  = fetchSubscriptionId(subscription.endpoint);
                        hitServerApiOnPreviousSubscription(subscriptionId);
                    }
                })
                .catch(function(err) {
                    console.log('Error during getSubscription()', err);
                });
        });
    }
    
    
    function _initPN(){
            if ('serviceWorker' in navigator) {
                // below one is unregister un-necessary wrongly registered service worker path ('/sw/')
                unregisterSWPath('/sw/');
                // check notification cookie if available then dont do anything. 
                // Lets wait for expire.
                if (getCookie('_tointfcblock') || getCookie('_tointfcallow')){
                    return;
                }
                navigator.serviceWorker.register(config.swjs_path)
                    .then(initialiseState);
            }
    }
    
    function _subscriptionApiExplicitHit(){
        if ('serviceWorker' in navigator) {
            navigator.serviceWorker.register(config.swjs_path)
                    .then(initialiseState);
        }
         
    }
    return {
        init: function(){
         _initPN();
        },
        subscriptionApiExplicitHit : function(){
          _subscriptionApiExplicitHit();
        }
    }
}());