/*! @license Firebase v3.6.4
    Build: 3.6.4-rc.2
    Terms: https://firebase.google.com/terms/ */
(function(){var f=function(a,b){function c(){}c.prototype=b.prototype;a.prototype=new c;for(var d in b)if(Object.defineProperties){var e=Object.getOwnPropertyDescriptor(b,d);e&&Object.defineProperty(a,d,e)}else a[d]=b[d]},g=this,h=function(a){var b=typeof a;if("object"==b)if(a){if(a instanceof Array)return"array";if(a instanceof Object)return b;var c=Object.prototype.toString.call(a);if("[object Window]"==c)return"object";if("[object Array]"==c||"number"==typeof a.length&&"undefined"!=typeof a.splice&&"undefined"!=
typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("splice"))return"array";if("[object Function]"==c||"undefined"!=typeof a.call&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("call"))return"function"}else return"null";else if("function"==b&&"undefined"==typeof a.call)return"object";return b},k=function(a,b){function c(){}c.prototype=b.prototype;a.B=b.prototype;a.prototype=new c;a.u=function(a,c,n){for(var d=Array(arguments.length-2),e=2;e<arguments.length;e++)d[e-2]=arguments[e];
return b.prototype[c].apply(a,d)}};var m={},p=(m["only-available-in-window"]="This method is available in a Window context.",m["only-available-in-sw"]="This method is available in a service worker context.",m["should-be-overriden"]="This method should be overriden by extended classes.",m["bad-sender-id"]="Please ensure that 'messagingSenderId' is set correctly in the options passed into firebase.initializeApp().",m["permission-default"]="The required permissions were not granted and dismissed instead.",m["permission-blocked"]="The required permissions were not granted and blocked instead.",
m["unsupported-browser"]="This browser doesn't support the API's required to use the firebase SDK.",m["notifications-blocked"]="Notifications have been blocked.",m["failed-serviceworker-registration"]="We are unable to register the default service worker. {$browserErrorMessage}",m["sw-registration-expected"]="A service worker registration was the expected input.",m["get-subscription-failed"]="There was an error when trying to get any existing Push Subscriptions.",m["invalid-saved-token"]="Unable to access details of the saved token.",
m["sw-reg-redundant"]="The service worker being used for push was made redundant.",m["token-subscribe-failed"]="A problem occured while subscribing the user to FCM: {$message}",m["token-subscribe-no-token"]="FCM returned no token when subscribing the user to push.",m["token-subscribe-no-push-set"]="FCM returned an invalid response when getting an FCM token.",m["use-sw-before-get-token"]="You must call useServiceWorker() before calling getToken() to ensure your service worker is used.",m["invalid-delete-token"]=
"You must pass a valid token into deleteToken(), i.e. the token from getToken().",m["delete-token-not-found"]="The deletion attempt for token could not be performed as the token was not found.",m["bg-handler-function-expected"]="The input to setBackgroundMessageHandler() must be a function.",m["no-window-client-to-msg"]="An attempt was made to message a non-existant window client.",m["unable-to-resubscribe"]="There was an error while re-subscribing the FCM token for push messaging. Will have to resubscribe the user on next visit. {$message}",
m["no-fcm-token-for-resubscribe"]="Could not find an FCM token and as a result, unable to resubscribe. Will have to resubscribe the user on next visit.",m["failed-to-delete-token"]="Unable to delete the currently saved token.",m["no-sw-in-reg"]="Even though the service worker registration was successful, there was a problem accessing the service worker itself.",m["incorrect-gcm-sender-id"]="Please change your web app manifest's 'gcm_sender_id' value to '103953800507' to use Firebase messaging.",m);var q={userVisibleOnly:!0,applicationServerKey:new Uint8Array([4,51,148,247,223,161,235,177,220,3,162,94,21,113,219,72,211,46,237,237,178,52,219,183,71,58,12,143,196,204,225,111,60,140,132,223,171,182,102,62,242,12,212,139,254,227,249,118,47,20,28,99,8,106,111,45,177,26,149,176,206,55,192,156,110])};var r=function(a,b){var c={};return c["firebase-messaging-msg-type"]=a,c["firebase-messaging-msg-data"]=b,c};var u=function(a){if(Error.captureStackTrace)Error.captureStackTrace(this,u);else{var b=Error().stack;b&&(this.stack=b)}a&&(this.message=String(a))};k(u,Error);var v=function(a,b){for(var c=a.split("%s"),d="",e=Array.prototype.slice.call(arguments,1);e.length&&1<c.length;)d+=c.shift()+e.shift();return d+c.join("%s")};var w=function(a,b){b.unshift(a);u.call(this,v.apply(null,b));b.shift()};k(w,u);var x=function(a,b,c){if(!a){var d="Assertion failed";if(b)var d=d+(": "+b),e=Array.prototype.slice.call(arguments,2);throw new w(""+d,e||[]);}};var y=null;var A=function(a){a=new Uint8Array(a);var b=h(a);x("array"==b||"object"==b&&"number"==typeof a.length,"encodeByteArray takes an array as a parameter");if(!y)for(y={},b=0;65>b;b++)y[b]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=".charAt(b);for(var b=y,c=[],d=0;d<a.length;d+=3){var e=a[d],n=d+1<a.length,l=n?a[d+1]:0,z=d+2<a.length,t=z?a[d+2]:0,M=e>>2,e=(e&3)<<4|l>>4,l=(l&15)<<2|t>>6,t=t&63;z||(t=64,n||(l=64));c.push(b[M],b[e],b[l],b[t])}return c.join("").replace(/\+/g,"-").replace(/\//g,
"_").replace(/=+$/,"")};var B=new firebase.INTERNAL.ErrorFactory("messaging","Messaging",p),C=function(){this.a=null},D=function(a){if(a.a)return a.a;a.a=new Promise(function(a,c){var b=g.indexedDB.open("fcm_token_details_db",1);b.onerror=function(a){c(a.target.error)};b.onsuccess=function(b){a(b.target.result)};b.onupgradeneeded=function(a){a=a.target.result.createObjectStore("fcm_token_object_Store",{keyPath:"swScope"});a.createIndex("fcmSenderId","fcmSenderId",{unique:!1});a.createIndex("fcmToken","fcmToken",{unique:!0})}});
return a.a},E=function(a){a.a?a.a.then(function(b){b.close();a.a=null}):Promise.resolve()},F=function(a,b){return D(a).then(function(a){return new Promise(function(c,e){var d=a.transaction(["fcm_token_object_Store"]).objectStore("fcm_token_object_Store").index("fcmToken").get(b);d.onerror=function(a){e(a.target.error)};d.onsuccess=function(a){c(a.target.result)}})})},G=function(a,b){return D(a).then(function(a){return new Promise(function(c,e){var d=[],l=a.transaction(["fcm_token_object_Store"]).objectStore("fcm_token_object_Store").openCursor();
l.onerror=function(a){e(a.target.error)};l.onsuccess=function(a){(a=a.target.result)?(a.value.fcmSenderId===b&&d.push(a.value),a.continue()):c(d)}})})},H=function(a,b,c){var d=A(b.getKey("p256dh")),e=A(b.getKey("auth"));a="authorized_entity="+a+"&"+("endpoint="+b.endpoint+"&")+("encryption_key="+d+"&")+("encryption_auth="+e);c&&(a+="&pushSet="+c);c=new Headers;c.append("Content-Type","application/x-www-form-urlencoded");return fetch("https://fcm.googleapis.com/fcm/connect/subscribe",{method:"POST",
headers:c,body:a}).then(function(a){return a.json()}).then(function(a){if(a.error)throw B.create("token-subscribe-failed",{message:a.error.message});if(!a.token)throw B.create("token-subscribe-no-token");if(!a.pushSet)throw B.create("token-subscribe-no-push-set");return{token:a.token,pushSet:a.pushSet}})},I=function(a,b,c,d,e,n){var l={swScope:c.scope,endpoint:d.endpoint,auth:A(d.getKey("auth")),p256dh:A(d.getKey("p256dh")),fcmToken:e,fcmPushSet:n,fcmSenderId:b};return D(a).then(function(a){return new Promise(function(b,
c){var d=a.transaction(["fcm_token_object_Store"],"readwrite").objectStore("fcm_token_object_Store").put(l);d.onerror=function(a){c(a.target.error)};d.onsuccess=function(){b()}})})};
C.prototype.i=function(a,b){return b instanceof ServiceWorkerRegistration?"string"!==typeof a||0===a.length?Promise.reject(B.create("bad-sender-id")):G(this,a).then(function(c){if(0!==c.length){var d=c.findIndex(function(c){return b.scope===c.swScope&&a===c.fcmSenderId});if(-1!==d)return c[d]}}).then(function(a){if(a)return b.pushManager.getSubscription().catch(function(){throw B.create("get-subscription-failed");}).then(function(b){var c;if(c=b)c=b.endpoint===a.endpoint&&A(b.getKey("auth"))===a.auth&&
A(b.getKey("p256dh"))===a.p256dh;if(c)return a.fcmToken})}):Promise.reject(B.create("sw-registration-expected"))};C.prototype.getSavedToken=C.prototype.i;
C.prototype.h=function(a,b){var c=this;return"string"!==typeof a||0===a.length?Promise.reject(B.create("bad-sender-id")):b instanceof ServiceWorkerRegistration?b.pushManager.getSubscription().then(function(a){return a?a:b.pushManager.subscribe(q)}).then(function(d){return H(a,d).then(function(e){return I(c,a,b,d,e.token,e.pushSet).then(function(){return e.token})})}):Promise.reject(B.create("sw-registration-expected"))};C.prototype.createToken=C.prototype.h;
C.prototype.deleteToken=function(a){var b=this;return"string"!==typeof a||0===a.length?Promise.reject(B.create("invalid-delete-token")):F(this,a).then(function(a){if(!a)throw B.create("delete-token-not-found");return D(b).then(function(b){return new Promise(function(c,d){var e=b.transaction(["fcm_token_object_Store"],"readwrite").objectStore("fcm_token_object_Store").delete(a.swScope);e.onerror=function(a){d(a.target.error)};e.onsuccess=function(b){0===b.target.result?d(B.create("failed-to-delete-token")):
c(a)}})})})};var J=function(a){var b=this;this.a=new firebase.INTERNAL.ErrorFactory("messaging","Messaging",p);if(!a.options.messagingSenderId||"string"!==typeof a.options.messagingSenderId)throw this.a.create("bad-sender-id");this.l=a.options.messagingSenderId;this.c=new C;this.app=a;this.INTERNAL={};this.INTERNAL.delete=function(){return b.delete}};
J.prototype.getToken=function(){var a=this,b=Notification.permission;return"granted"!==b?"denied"===b?Promise.reject(this.a.create("notifications-blocked")):Promise.resolve(null):this.f().then(function(b){return a.c.i(a.l,b).then(function(c){return c?c:a.c.h(a.l,b)})})};J.prototype.getToken=J.prototype.getToken;J.prototype.deleteToken=function(a){var b=this;return this.c.deleteToken(a).then(function(){return b.f()}).then(function(a){return a?a.pushManager.getSubscription():null}).then(function(a){if(a)return a.unsubscribe()})};
J.prototype.deleteToken=J.prototype.deleteToken;J.prototype.f=function(){throw this.a.create("should-be-overriden");};J.prototype.requestPermission=function(){throw this.a.create("only-available-in-window");};J.prototype.useServiceWorker=function(){throw this.a.create("only-available-in-window");};J.prototype.useServiceWorker=J.prototype.useServiceWorker;J.prototype.onMessage=function(){throw this.a.create("only-available-in-window");};J.prototype.onMessage=J.prototype.onMessage;
J.prototype.onTokenRefresh=function(){throw this.a.create("only-available-in-window");};J.prototype.onTokenRefresh=J.prototype.onTokenRefresh;J.prototype.setBackgroundMessageHandler=function(){throw this.a.create("only-available-in-sw");};J.prototype.setBackgroundMessageHandler=J.prototype.setBackgroundMessageHandler;J.prototype.delete=function(){E(this.c)};var K=self,P=function(a){J.call(this,a);var b=this;this.a=new firebase.INTERNAL.ErrorFactory("messaging","Messaging",p);K.addEventListener("push",function(a){return L(b,a)},!1);K.addEventListener("pushsubscriptionchange",function(a){return N(b,a)},!1);K.addEventListener("notificationclick",function(a){return O(b,a)},!1);this.b=null};f(P,J);
var L=function(a,b){var c;try{c=b.data.json()}catch(e){return}var d=Q().then(function(b){if(b){if(c.notification||a.b)return R(a,c)}else{if((b=c)&&"object"===typeof b.notification){var d=Object.assign({},b.notification),e={};d.data=(e.FCM_MSG=b,e);b=d}else b=void 0;if(b)return K.registration.showNotification(b.title||"",b);if(a.b)return a.b(c)}});b.waitUntil(d)},N=function(a,b){var c=a.getToken().then(function(b){if(!b)throw a.a.create("no-fcm-token-for-resubscribe");var c=a.c;return F(c,b).then(function(b){if(!b)throw a.a.create("invalid-saved-token");
return K.registration.pushManager.subscribe(q).then(function(a){return H(b.w,a,b.v)}).catch(function(d){return c.deleteToken(b.A).then(function(){throw a.a.create("unable-to-resubscribe",{message:d});})})})});b.waitUntil(c)},O=function(a,b){if(b.notification&&b.notification.data&&b.notification.data.FCM_MSG){b.stopImmediatePropagation();b.notification.close();var c=b.notification.data.FCM_MSG,d=c.notification.click_action;if(d){var e=S(d).then(function(a){return a?a:K.clients.openWindow(d)}).then(function(b){if(b)return delete c.notification,
T(a,b,r("notification-clicked",c))});b.waitUntil(e)}}};P.prototype.setBackgroundMessageHandler=function(a){if(a&&"function"!==typeof a)throw this.a.create("bg-handler-function-expected");this.b=a};P.prototype.setBackgroundMessageHandler=P.prototype.setBackgroundMessageHandler;
var S=function(a){var b=(new URL(a)).href;return K.clients.matchAll({type:"window",includeUncontrolled:!0}).then(function(a){for(var c=null,e=0;e<a.length;e++)if((new URL(a[e].url)).href===b){c=a[e];break}if(c)return c.focus(),c})},T=function(a,b,c){return new Promise(function(d,e){if(!b)return e(a.a.create("no-window-client-to-msg"));b.postMessage(c);d()})},Q=function(){return K.clients.matchAll({type:"window",includeUncontrolled:!0}).then(function(a){return a.some(function(a){return"visible"===
a.visibilityState})})},R=function(a,b){return K.clients.matchAll({type:"window",includeUncontrolled:!0}).then(function(c){var d=r("push-msg-received",b);return Promise.all(c.map(function(b){return T(a,b,d)}))})};P.prototype.f=function(){return Promise.resolve(K.registration)};var V=function(a){J.call(this,a);var b=this;this.j=null;this.m=firebase.INTERNAL.createSubscribe(function(a){b.j=a});this.s=null;this.o=firebase.INTERNAL.createSubscribe(function(a){b.s=a});U(this)};f(V,J);
V.prototype.getToken=function(){var a=this;return"serviceWorker"in navigator&&"PushManager"in window&&"Notification"in window&&ServiceWorkerRegistration.prototype.hasOwnProperty("showNotification")&&PushSubscription.prototype.hasOwnProperty("getKey")?W(this).then(function(){return J.prototype.getToken.call(a)}):Promise.reject(this.a.create("unsupported-browser"))};V.prototype.getToken=V.prototype.getToken;
var W=function(a){if(a.g)return a.g;var b=document.querySelector('link[rel="manifest"]');b?a.g=fetch(b.href).then(function(a){return a.json()}).catch(function(){return Promise.resolve()}).then(function(b){if(b&&b.gcm_sender_id&&"103953800507"!==b.gcm_sender_id)throw a.a.create("incorrect-gcm-sender-id");}):a.g=Promise.resolve();return a.g};
V.prototype.requestPermission=function(){var a=this;return"granted"===Notification.permission?Promise.resolve():new Promise(function(b,c){var d=function(d){return"granted"===d?b():"denied"===d?c(a.a.create("permission-blocked")):c(a.a.create("permission-default"))},e=Notification.requestPermission(function(a){e||d(a)});e&&e.then(d)})};V.prototype.requestPermission=V.prototype.requestPermission;
V.prototype.useServiceWorker=function(a){if(!(a instanceof ServiceWorkerRegistration))throw this.a.create("sw-registration-expected");if("undefined"!==typeof this.b)throw this.a.create("use-sw-before-get-token");this.b=a};V.prototype.useServiceWorker=V.prototype.useServiceWorker;V.prototype.onMessage=function(a,b,c){return this.m(a,b,c)};V.prototype.onMessage=V.prototype.onMessage;V.prototype.onTokenRefresh=function(a,b,c){return this.o(a,b,c)};V.prototype.onTokenRefresh=V.prototype.onTokenRefresh;
var X=function(a,b){var c=b.installing||b.waiting||b.active;return new Promise(function(d,e){if(c)if("activated"===c.state)d(b);else if("redundant"===c.state)e(a.a.create("sw-reg-redundant"));else{var n=function(){if("activated"===c.state)d(b);else if("redundant"===c.state)e(a.a.create("sw-reg-redundant"));else return;c.removeEventListener("statechange",n)};c.addEventListener("statechange",n)}else e(a.a.create("no-sw-in-reg"))})};
V.prototype.f=function(){var a=this;if(this.b)return X(this,this.b);this.b=null;return navigator.serviceWorker.register("/firebase-messaging-sw.js",{scope:"/firebase-cloud-messaging-push-scope"}).catch(function(b){throw a.a.create("failed-serviceworker-registration",{browserErrorMessage:b.message});}).then(function(b){return X(a,b).then(function(){a.b=b;b.update();return b})})};
var U=function(a){"serviceWorker"in navigator&&navigator.serviceWorker.addEventListener("message",function(b){if(b.data&&b.data["firebase-messaging-msg-type"])switch(b=b.data,b["firebase-messaging-msg-type"]){case "push-msg-received":case "notification-clicked":a.j.next(b["firebase-messaging-msg-data"])}},!1)};if(!(firebase&&firebase.INTERNAL&&firebase.INTERNAL.registerService))throw Error("Cannot install Firebase Messaging - be sure to load firebase-app.js first.");firebase.INTERNAL.registerService("messaging",function(a){return self&&"ServiceWorkerGlobalScope"in self?new P(a):new V(a)},{Messaging:V});}).call(this);