/*! xAPIWrapper v 1.11.0 | Built on 2020-01-29 13:51:08-0500 */

var CryptoJS=(CryptoJS=CryptoJS||function(l){var t={},e=t.lib={},i=e.Base={extend:function(t){n.prototype=this;var e=new n;return t&&e.mixIn(t),e.hasOwnProperty("init")||(e.init=function(){e.$super.init.apply(this,arguments)}),(e.init.prototype=e).$super=this,e},create:function(){var t=this.extend();return t.init.apply(t,arguments),t},init:function(){},mixIn:function(t){for(var e in t)t.hasOwnProperty(e)&&(this[e]=t[e]);t.hasOwnProperty("toString")&&(this.toString=t.toString)},clone:function(){return this.init.prototype.extend(this)}};function n(){}var u=e.WordArray=i.extend({init:function(t,e){t=this.words=t||[],this.sigBytes=null!=e?e:4*t.length},toString:function(t){return(t||o).stringify(this)},concat:function(t){var e=this.words,i=t.words,n=this.sigBytes,r=t.sigBytes;if(this.clamp(),n%4)for(var o=0;o<r;o++){var s=i[o>>>2]>>>24-o%4*8&255;e[n+o>>>2]|=s<<24-(n+o)%4*8}else if(65535<i.length)for(o=0;o<r;o+=4)e[n+o>>>2]=i[o>>>2];else e.push.apply(e,i);return this.sigBytes+=r,this},clamp:function(){var t=this.words,e=this.sigBytes;t[e>>>2]&=4294967295<<32-e%4*8,t.length=l.ceil(e/4)},clone:function(){var t=i.clone.call(this);return t.words=this.words.slice(0),t},random:function(t){for(var e=[],i=0;i<t;i+=4)e.push(4294967296*l.random()|0);return new u.init(e,t)}}),r=t.enc={},o=r.Hex={stringify:function(t){for(var e=t.words,i=t.sigBytes,n=[],r=0;r<i;r++){var o=e[r>>>2]>>>24-r%4*8&255;n.push((o>>>4).toString(16)),n.push((15&o).toString(16))}return n.join("")},parse:function(t){for(var e=t.length,i=[],n=0;n<e;n+=2)i[n>>>3]|=parseInt(t.substr(n,2),16)<<24-n%8*4;return new u.init(i,e/2)}},s=r.Latin1={stringify:function(t){for(var e=t.words,i=t.sigBytes,n=[],r=0;r<i;r++){var o=e[r>>>2]>>>24-r%4*8&255;n.push(String.fromCharCode(o))}return n.join("")},parse:function(t){for(var e=t.length,i=[],n=0;n<e;n++)i[n>>>2]|=(255&t.charCodeAt(n))<<24-n%4*8;return new u.init(i,e)}},a=r.Utf8={stringify:function(t){try{return decodeURIComponent(escape(s.stringify(t)))}catch(t){throw new Error("Malformed UTF-8 data")}},parse:function(t){return s.parse(unescape(encodeURIComponent(t)))}},p=(r.Base64={stringify:function(t){var e=t.words,i=t.sigBytes,n=this._map;t.clamp();for(var r=[],o=0;o<i;o+=3)for(var s=(e[o>>>2]>>>24-o%4*8&255)<<16|(e[o+1>>>2]>>>24-(o+1)%4*8&255)<<8|e[o+2>>>2]>>>24-(o+2)%4*8&255,a=0;a<4&&o+.75*a<i;a++)r.push(n.charAt(s>>>6*(3-a)&63));var p=n.charAt(64);if(p)for(;r.length%4;)r.push(p);return r.join("")},parse:function(t){var e=t.length,i=this._map,n=i.charAt(64);if(n){var r=t.indexOf(n);-1!=r&&(e=r)}for(var o=[],s=0,a=0;a<e;a++)if(a%4){var p=i.indexOf(t.charAt(a-1))<<a%4*2,c=i.indexOf(t.charAt(a))>>>6-a%4*2;o[s>>>2]|=(p|c)<<24-s%4*8,s++}return u.create(o,s)},_map:"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="},e.BufferedBlockAlgorithm=i.extend({reset:function(){this._data=new u.init,this._nDataBytes=0},_append:function(t){"string"==typeof t&&(t=a.parse(t)),this._data.concat(t),this._nDataBytes+=t.sigBytes},_process:function(t){var e=this._data,i=e.words,n=e.sigBytes,r=this.blockSize,o=n/(4*r),s=(o=t?l.ceil(o):l.max((0|o)-this._minBufferSize,0))*r,a=l.min(4*s,n);if(s){for(var p=0;p<s;p+=r)this._doProcessBlock(i,p);var c=i.splice(0,s);e.sigBytes-=a}return new u.init(c,a)},clone:function(){var t=i.clone.call(this);return t._data=this._data.clone(),t},_minBufferSize:0})),c=e.Hasher=p.extend({cfg:i.extend(),init:function(t){this.cfg=this.cfg.extend(t),this.reset()},reset:function(){p.reset.call(this),this._doReset()},update:function(t){return this._append(t),this._process(),this},finalize:function(t){return t&&this._append(t),this._doFinalize()},blockSize:16,_createHelper:function(i){return function(t,e){return new i.init(e).finalize(t)}},_createHmacHelper:function(i){return function(t,e){return new d.HMAC.init(i,e).finalize(t)}}}),d=t.algo={},h=[],f=d.SHA1=c.extend({_doReset:function(){this._hash=new u.init([1732584193,4023233417,2562383102,271733878,3285377520])},_doProcessBlock:function(t,e){for(var i=this._hash.words,n=i[0],r=i[1],o=i[2],s=i[3],a=i[4],p=0;p<80;p++){if(p<16)h[p]=0|t[e+p];else{var c=h[p-3]^h[p-8]^h[p-14]^h[p-16];h[p]=c<<1|c>>>31}var l=(n<<5|n>>>27)+a+h[p];l+=p<20?1518500249+(r&o|~r&s):p<40?1859775393+(r^o^s):p<60?(r&o|r&s|o&s)-1894007588:(r^o^s)-899497514,a=s,s=o,o=r<<30|r>>>2,r=n,n=l}i[0]=i[0]+n|0,i[1]=i[1]+r|0,i[2]=i[2]+o|0,i[3]=i[3]+s|0,i[4]=i[4]+a|0},_doFinalize:function(){var t=this._data,e=t.words,i=8*this._nDataBytes,n=8*t.sigBytes;return e[n>>>5]|=128<<24-n%32,e[14+(64+n>>>9<<4)]=l.floor(i/4294967296),e[15+(64+n>>>9<<4)]=i,t.sigBytes=4*e.length,this._process(),this._hash},clone:function(){var t=c.clone.call(this);return t._hash=this._hash.clone(),t}});return t.SHA1=c._createHelper(f),t.HmacSHA1=c._createHmacHelper(f),t}(Math))||function(a){function i(){}var t={},e=t.lib={},n=e.Base={extend:function(t){i.prototype=this;var e=new i;return t&&e.mixIn(t),e.hasOwnProperty("init")||(e.init=function(){e.$super.init.apply(this,arguments)}),(e.init.prototype=e).$super=this,e},create:function(){var t=this.extend();return t.init.apply(t,arguments),t},init:function(){},mixIn:function(t){for(var e in t)t.hasOwnProperty(e)&&(this[e]=t[e]);t.hasOwnProperty("toString")&&(this.toString=t.toString)},clone:function(){return this.init.prototype.extend(this)}},p=e.WordArray=n.extend({init:function(t,e){t=this.words=t||[],this.sigBytes=null!=e?e:4*t.length},toString:function(t){return(t||o).stringify(this)},concat:function(t){var e=this.words,i=t.words,n=this.sigBytes;if(t=t.sigBytes,this.clamp(),n%4)for(var r=0;r<t;r++)e[n+r>>>2]|=(i[r>>>2]>>>24-r%4*8&255)<<24-(n+r)%4*8;else if(65535<i.length)for(r=0;r<t;r+=4)e[n+r>>>2]=i[r>>>2];else e.push.apply(e,i);return this.sigBytes+=t,this},clamp:function(){var t=this.words,e=this.sigBytes;t[e>>>2]&=4294967295<<32-e%4*8,t.length=a.ceil(e/4)},clone:function(){var t=n.clone.call(this);return t.words=this.words.slice(0),t},random:function(t){for(var e=[],i=0;i<t;i+=4)e.push(4294967296*a.random()|0);return new p.init(e,t)}}),r=t.enc={},o=r.Hex={stringify:function(t){var e=t.words;t=t.sigBytes;for(var i=[],n=0;n<t;n++){var r=e[n>>>2]>>>24-n%4*8&255;i.push((r>>>4).toString(16)),i.push((15&r).toString(16))}return i.join("")},parse:function(t){for(var e=t.length,i=[],n=0;n<e;n+=2)i[n>>>3]|=parseInt(t.substr(n,2),16)<<24-n%8*4;return new p.init(i,e/2)}},s=r.Latin1={stringify:function(t){var e=t.words;t=t.sigBytes;for(var i=[],n=0;n<t;n++)i.push(String.fromCharCode(e[n>>>2]>>>24-n%4*8&255));return i.join("")},parse:function(t){for(var e=t.length,i=[],n=0;n<e;n++)i[n>>>2]|=(255&t.charCodeAt(n))<<24-n%4*8;return new p.init(i,e)}},c=r.Utf8={stringify:function(t){try{return decodeURIComponent(escape(s.stringify(t)))}catch(t){throw Error("Malformed UTF-8 data")}},parse:function(t){return s.parse(unescape(encodeURIComponent(t)))}},l=e.BufferedBlockAlgorithm=n.extend({reset:function(){this._data=new p.init,this._nDataBytes=0},_append:function(t){"string"==typeof t&&(t=c.parse(t)),this._data.concat(t),this._nDataBytes+=t.sigBytes},_process:function(t){var e=this._data,i=e.words,n=e.sigBytes,r=this.blockSize,o=n/(4*r);if(t=(o=t?a.ceil(o):a.max((0|o)-this._minBufferSize,0))*r,n=a.min(4*t,n),t){for(var s=0;s<t;s+=r)this._doProcessBlock(i,s);s=i.splice(0,t),e.sigBytes-=n}return new p.init(s,n)},clone:function(){var t=n.clone.call(this);return t._data=this._data.clone(),t},_minBufferSize:0});e.Hasher=l.extend({cfg:n.extend(),init:function(t){this.cfg=this.cfg.extend(t),this.reset()},reset:function(){l.reset.call(this),this._doReset()},update:function(t){return this._append(t),this._process(),this},finalize:function(t){return t&&this._append(t),this._doFinalize()},blockSize:16,_createHelper:function(i){return function(t,e){return new i.init(e).finalize(t)}},_createHmacHelper:function(i){return function(t,e){return new u.HMAC.init(i,e).finalize(t)}}});var u=t.algo={};return t}(Math);function toBase64(t){return CryptoJS&&CryptoJS.enc.Base64?CryptoJS.enc.Base64.stringify(CryptoJS.enc.Latin1.parse(t)):Base64.encode(t)}function toSHA1(t){return CryptoJS&&CryptoJS.SHA1?CryptoJS.SHA1(t).toString():Crypto.util.bytesToHex(Crypto.SHA1(t,{asBytes:!0}))}function toSHA256(t){if("[object ArrayBuffer]"!==Object.prototype.toString.call(t))return CryptoJS.SHA256(t).toString(CryptoJS.enc.Hex);for(var e=new Uint8Array(t),i=[],n=0;n<e.length;n+=4)i.push(e[n]<<24|e[n+1]<<16|e[n+2]<<8|e[n+3]);return CryptoJS.SHA256(CryptoJS.lib.WordArray.create(i,e.length)).toString(CryptoJS.enc.Hex)}function isDate(t){if("[object Date]"===Object.prototype.toString.call(t))var e=t;else e=new Date(t);return"[object Date]"===Object.prototype.toString.call(e)?isNaN(e.valueOf())?(ADL.XAPIWrapper.log("Invalid date String passed"),null):e:(ADL.XAPIWrapper.log("Invalid date object"),null)}!function(r){function t(t){return 4294967296*(t-(0|t))|0}for(var e=CryptoJS,i=(o=e.lib).WordArray,n=o.Hasher,o=e.algo,s=[],f=[],a=2,p=0;p<64;){var c;t:{c=a;for(var l=r.sqrt(c),u=2;u<=l;u++)if(!(c%u)){c=!1;break t}c=!0}c&&(p<8&&(s[p]=t(r.pow(a,.5))),f[p]=t(r.pow(a,1/3)),p++),a++}var g=[];o=o.SHA256=n.extend({_doReset:function(){this._hash=new i.init(s.slice(0))},_doProcessBlock:function(t,e){for(var i=this._hash.words,n=i[0],r=i[1],o=i[2],s=i[3],a=i[4],p=i[5],c=i[6],l=i[7],u=0;u<64;u++){if(u<16)g[u]=0|t[e+u];else{var d=g[u-15],h=g[u-2];g[u]=((d<<25|d>>>7)^(d<<14|d>>>18)^d>>>3)+g[u-7]+((h<<15|h>>>17)^(h<<13|h>>>19)^h>>>10)+g[u-16]}d=l+((a<<26|a>>>6)^(a<<21|a>>>11)^(a<<7|a>>>25))+(a&p^~a&c)+f[u]+g[u],h=((n<<30|n>>>2)^(n<<19|n>>>13)^(n<<10|n>>>22))+(n&r^n&o^r&o),l=c,c=p,p=a,a=s+d|0,s=o,o=r,r=n,n=d+h|0}i[0]=i[0]+n|0,i[1]=i[1]+r|0,i[2]=i[2]+o|0,i[3]=i[3]+s|0,i[4]=i[4]+a|0,i[5]=i[5]+p|0,i[6]=i[6]+c|0,i[7]=i[7]+l|0},_doFinalize:function(){var t=this._data,e=t.words,i=8*this._nDataBytes,n=8*t.sigBytes;return e[n>>>5]|=128<<24-n%32,e[14+(64+n>>>9<<4)]=r.floor(i/4294967296),e[15+(64+n>>>9<<4)]=i,t.sigBytes=4*e.length,this._process(),this._hash},clone:function(){var t=n.clone.call(this);return t._hash=this._hash.clone(),t}});e.SHA256=n._createHelper(o),e.HmacSHA256=n._createHmacHelper(o)}(Math),function(){var c=CryptoJS.enc.Utf8;CryptoJS.algo.HMAC=CryptoJS.lib.Base.extend({init:function(t,e){t=this._hasher=new t.init,"string"==typeof e&&(e=c.parse(e));var i=t.blockSize,n=4*i;e.sigBytes>n&&(e=t.finalize(e)),e.clamp();for(var r=this._oKey=e.clone(),o=this._iKey=e.clone(),s=r.words,a=o.words,p=0;p<i;p++)s[p]^=1549556828,a[p]^=909522486;r.sigBytes=o.sigBytes=n,this.reset()},reset:function(){var t=this._hasher;t.reset(),t.update(this._iKey)},update:function(t){return this._hasher.update(t),this},finalize:function(t){var e=this._hasher;return t=e.finalize(t),e.reset(),e.finalize(this._oKey.clone().concat(t))}})}(),function(t){if(void 0===t.TextEncoder){function p(t,e){if(String.prototype.codePointAt)return t.codePointAt(e);var i=(t=String(t)).length,n=e?Number(e):0;if(n!=n&&(n=0),!(n<0||i<=n)){var r,o=t.charCodeAt(n);return 55296<=o&&o<=56319&&n+1<i&&56320<=(r=t.charCodeAt(n+1))&&r<=57343?1024*(o-55296)+r-56320+65536:o}}function e(t){switch(t=t||"utf8"){case"utf-8":case"utf8":break;default:throw"TextEncoder only supports utf8"}}e.prototype.encode=function(t){for(var e=new Uint8Array(3*t.length),i=-1,n=t.length,r=0;r<n;){var o=p(t,r),s=0,a=0;for(o<=127?a=s=0:o<=2047?(s=6,a=192):o<=65535?(s=12,a=224):o<=2097151&&(s=18,a=240),e[i+=1]=a|o>>s,s-=6;0<=s;)e[i+=1]=128|o>>s&63,s-=6;r+=65536<=o?2:1}return e.subarray(0,i+1)},t.TextEncoder=e}if(void 0===t.TextDecoder){function a(t){if(String.fromCodePoint)return String.fromCodePoint(t);for(var e=[],i="",n=0,r=arguments.length;n!==r;++n){var o=+arguments[n];if(!(o<1114111&&o>>>0===o))throw RangeError("Invalid code point: "+o);16383<=(o<=65535?e.push(o):(o-=65536,e.push(55296+(o>>10),o%1024+56320)))&&(i+=String.fromCharCode.apply(null,e),e.length=0)}return i+String.fromCharCode.apply(null,e)}function i(t){switch(t=t||"utf8"){case"utf-8":case"utf8":break;default:throw"TextDecoder only supports utf8"}}i.prototype.decode=function(t){for(var e="",i=0;i<t.length;){var n=t[i],r=0,o=0;if(n<=127?(r=0,o=255&n):n<=223?(r=1,o=31&n):n<=239?(r=2,o=15&n):n<=244&&(r=3,o=7&n),0<t.length-i-r)for(var s=0;s<r;)o=o<<6|63&(n=t[i+s+1]),s+=1;else o=65533,r=t.length-i;e+=a(o),i+=r+1}return e},t.TextDecoder=i}}(this),(window.ADL=window.ADL||{}).activityTypes={assessment:"http://adlnet.gov/expapi/activities/assessment",attempt:"http://adlnet.gov/expapi/activities/attempt",course:"http://adlnet.gov/expapi/activities/course",file:"http://adlnet.gov/expapi/activities/file",cmiInteraction:"http://adlnet.gov/expapi/activities/cmi.interaction",interaction:"http://adlnet.gov/expapi/activities/interaction",lesson:"http://adlnet.gov/expapi/activities/lesson",link:"http://adlnet.gov/expapi/activities/link",media:"http://adlnet.gov/expapi/activities/media",meeting:"http://adlnet.gov/expapi/activities/meeting",module:"http://adlnet.gov/expapi/activities/module",objective:"http://adlnet.gov/expapi/activities/objective",performance:"http://adlnet.gov/expapi/activities/performance",profile:"http://adlnet.gov/expapi/activities/profile",question:"http://adlnet.gov/expapi/activities/question",simulation:"http://adlnet.gov/expapi/activities/simulation"},(window.ADL=window.ADL||{}).verbs={abandoned:{id:"https://w3id.org/xapi/adl/verbs/abandoned",display:{"en-US":"abandoned"}},answered:{id:"http://adlnet.gov/expapi/verbs/answered",display:{"de-DE":"beantwortete","en-US":"answered","fr-FR":"a répondu","es-ES":"contestó","ar-AR":"أجاب"}},asked:{id:"http://adlnet.gov/expapi/verbs/asked",display:{"de-DE":"fragte","en-US":"asked","fr-FR":"a demandé","es-ES":"preguntó","ar-AR":"طلب"}},attempted:{id:"http://adlnet.gov/expapi/verbs/attempted",display:{"de-DE":"versuchte","en-US":"attempted","fr-FR":"a essayé","es-ES":"intentó","ar-AR":"حاول"}},attended:{id:"http://adlnet.gov/expapi/verbs/attended",display:{"de-DE":"nahm teil an","en-US":"attended","fr-FR":"a suivi","es-ES":"asistió","ar-AR":"حضر"}},commented:{id:"http://adlnet.gov/expapi/verbs/commented",display:{"de-DE":"kommentierte","en-US":"commented","fr-FR":"a commenté","es-ES":"comentó","ar-AR":"علق"}},completed:{id:"http://adlnet.gov/expapi/verbs/completed",display:{"de-DE":"beendete","en-US":"completed","fr-FR":"a terminé","es-ES":"completó","ar-AR":"أكمل"}},exited:{id:"http://adlnet.gov/expapi/verbs/exited",display:{"de-DE":"verließ","en-US":"exited","fr-FR":"a 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lancé","es-ES":"lanzó","ar-AR":"أطلق"}},mastered:{id:"http://adlnet.gov/expapi/verbs/mastered",display:{"de-DE":"meisterte","en-US":"mastered","fr-FR":"a maîtrisé","es-ES":"dominó","ar-AR":"أتقن"}},passed:{id:"http://adlnet.gov/expapi/verbs/passed",display:{"de-DE":"bestand","en-US":"passed","fr-FR":"a réussi","es-ES":"aprobó","ar-AR":"نجح"}},preferred:{id:"http://adlnet.gov/expapi/verbs/preferred",display:{"de-DE":"bevorzugte","en-US":"preferred","fr-FR":"a préféré","es-ES":"prefirió","ar-AR":"فضل"}},progressed:{id:"http://adlnet.gov/expapi/verbs/progressed",display:{"de-DE":"machte Fortschritt mit","en-US":"progressed","fr-FR":"a progressé","es-ES":"progresó","ar-AR":"تقدم"}},registered:{id:"http://adlnet.gov/expapi/verbs/registered",display:{"de-DE":"registrierte","en-US":"registered","fr-FR":"a enregistré","es-ES":"registró","ar-AR":"سجل"}},responded:{id:"http://adlnet.gov/expapi/verbs/responded",display:{"de-DE":"reagierte","en-US":"responded","fr-FR":"a répondu","es-ES":"respondió","ar-AR":"استجاب"}},resumed:{id:"http://adlnet.gov/expapi/verbs/resumed",display:{"de-DE":"setzte fort","en-US":"resumed","fr-FR":"a repris","es-ES":"continuó","ar-AR":"استأنف"}},satisfied:{id:"https://w3id.org/xapi/adl/verbs/satisfied",display:{"de-DE":"befriedigt","en-US":"satisfied","fr-FR":"satisfaite","es-ES":"satisfecho","ar-AR":"راض"}},scored:{id:"http://adlnet.gov/expapi/verbs/scored",display:{"de-DE":"erreichte","en-US":"scored","fr-FR":"a marqué","es-ES":"anotó","ar-AR":"سحل النقاط"}},shared:{id:"http://adlnet.gov/expapi/verbs/shared",display:{"de-DE":"teilte","en-US":"shared","fr-FR":"a partagé","es-ES":"compartió","ar-AR":"شارك"}},suspended:{id:"http://adlnet.gov/expapi/verbs/suspended",display:{"de-DE":"pausierte","en-US":"suspended","fr-FR":"a suspendu","es-ES":"aplazó","ar-AR":"علق"}},terminated:{id:"http://adlnet.gov/expapi/verbs/terminated",display:{"de-DE":"beendete","en-US":"terminated","fr-FR":"a terminé","es-ES":"terminó","ar-AR":"أنهى"}},voided:{id:"http://adlnet.gov/expapi/verbs/voided",display:{"de-DE":"entwertete","en-US":"voided","fr-FR":"a annulé","es-ES":"anuló","ar-AR":"فرغ"}},waived:{id:"https://w3id.org/xapi/adl/verbs/waived",display:{"de-DE":"verzichtet","en-US":"waived","fr-FR":"renoncé","es-ES":"renunciado","ar-AR":"تخلى"}}},Date.prototype.toISOString||function(){function t(t){var e=String(t);return 1===e.length&&(e="0"+e),e}Date.prototype.toISOString=function(){return this.getUTCFullYear()+"-"+t(this.getUTCMonth()+1)+"-"+t(this.getUTCDate())+"T"+t(this.getUTCHours())+":"+t(this.getUTCMinutes())+":"+t(this.getUTCSeconds())+"."+String((this.getUTCMilliseconds()/1e3).toFixed(3)).slice(2,5)+"Z"}}(),function(_){u.debug=!1;function t(t,e){function i(t){var e=document.createElement("a");if(e.href=t,e.protocol&&e.host)return e.protocol+"//"+e.host;if(e.href){var i=e.href.split("//");return i[0]+"//"+i[1].substr(0,i[1].indexOf("/"))}_.XAPIWrapper.log("Couldn't create base url from endpoint: "+t)}function n(t,e,i){t.auth="Basic "+toBase64(e+":"+i)}this.lrs=function(t){var e,i,n=["endpoint","auth","actor","registration","activity_id","grouping","activity_platform"],r=new Object;if(void 0!==(e=function(){var t,e,i,n,r;for(t=window.location.search.substr(1),e=t.split("&"),r={},n=0;n<e.length;n++)2===(i=e[n].split("=")).length&&i[0]&&(r[i[0]]=decodeURIComponent(i[1]));return r}())&&0!==Object.keys(e).length){for(var o=0;o<n.length;o++)e[i=n[o]]&&(r[i]=e[i],delete e[i]);r=a(t,r)}else r=t;return r}(t||{}),this.lrs.user&&this.lrs.password&&n(this.lrs,this.lrs.user,this.lrs.password),this.base=i(this.lrs.endpoint),this.withCredentials=!1,t&&void 0!==t.withCredentials&&(this.withCredentials=t.withCredentials),this.strictCallbacks=!1,this.strictCallbacks=t&&t.strictCallbacks,e&&r.call(this)&&window.ADL.XHR_request(this.lrs,this.lrs.endpoint+"about","GET",null,null,function(t){if(200==t.status)try{var e=JSON.parse(t.response),i=!1;for(var n in e.version)if(e.version.hasOwnProperty(n)&&e.version[n]==_.XAPIWrapper.xapiVersion){i=!0;break}i||_.XAPIWrapper.log("The lrs version ["+e.version+"] does not match this wrapper's XAPI version ["+_.XAPIWrapper.xapiVersion+"]")}catch(t){_.XAPIWrapper.log("The response was not an about object")}else _.XAPIWrapper.log("The request to get information about the LRS failed: "+t)},null,!1,null,this.withCredentials,!1),this.searchParams=function(){return{format:"exact"}},this.hash=function(t){if(!t)return null;try{return toSHA1(t)}catch(t){return _.XAPIWrapper.log("Error trying to hash -- "+t),null}},this.changeConfig=function(t){try{_.XAPIWrapper.log("updating lrs object with new configuration"),this.lrs=a(this.lrs,t),t.user&&t.password&&this.updateAuth(this.lrs,t.user,t.password),this.base=i(this.lrs.endpoint),this.withCredentials=t.withCredentials,this.strictCallbacks=t.strictCallbacks}catch(t){_.XAPIWrapper.log("error while changing configuration -- "+t)}},this.updateAuth=n}var e,i=((e={endpoint:"http://localhost:8000/xapi/"}).auth="Basic "+toBase64("tom:1234"),e);function r(){try{return null!=this.lrs.endpoint&&""!=this.lrs.endpoint}catch(t){return!1}}function u(t){if(!u.debug)return!1;try{return console.log(t),!0}catch(t){return!1}}function a(e,i){for(var n in i)if(0!=i.hasOwnProperty(n)){u(n+" : "+i[n]);try{i[n].constructor==Object?e[n]=a(e[n],i[n]):(null==e&&(e=new Object),e[n]=i[n])}catch(t){null==e&&(e=new Object),e[n]=i[n]}}return e}t.prototype.xapiVersion="1.0.1",t.prototype.prepareStatement=function(t){void 0===t.actor?t.actor=JSON.parse(this.lrs.actor):"string"==typeof t.actor&&(t.actor=JSON.parse(t.actor)),(this.lrs.grouping||this.lrs.registration||this.lrs.activity_platform)&&(t.context||(t.context={})),this.lrs.grouping&&(t.context.contextActivities||(t.context.contextActivities={}),Array.isArray(t.context.contextActivities.grouping)?t.context.contextActivities.grouping.splice(0,0,{id:this.lrs.grouping}):t.context.contextActivities.grouping=[{id:this.lrs.grouping}]),this.lrs.registration&&(t.context.registration=this.lrs.registration),this.lrs.activity_platform&&(t.context.platform=this.lrs.activity_platform)},t.prototype.testConfig=r,t.prototype.log=u,t.prototype.defaultEncoding="utf-8",t.prototype.sendStatement=function(t,e,i){if(this.testConfig()){var n;this.prepareStatement(t),t.id?n=t.id:(n=_.ruuid(),t.id=n);var r=JSON.stringify(t),o=null;i&&0<i.length&&(o={},r=this.buildMultipartPost(t,i,o));var s=_.XHR_request(this.lrs,this.lrs.endpoint+"statements","POST",r,this.lrs.auth,e,{id:n},null,o,this.withCredentials,this.strictCallbacks);if(!e)return{xhr:s,id:n}}},t.prototype.stringToArrayBuffer=function(t,e){return e=e||_.XAPIWrapper.defaultEncoding,new TextEncoder(e).encode(t).buffer},t.prototype.stringFromArrayBuffer=function(t,e){return e=e||_.XAPIWrapper.defaultEncoding,new TextDecoder(e).decode(t)},t.prototype.buildMultipartPost=function(t,e,i){t.attachments=[];for(var n=0;n<e.length;n++)"signature"==e[n].type&&(e[n].type={usageType:"http://adlnet.gov/expapi/attachments/signature",display:{"en-US":"A JWT signature"},description:{"en-US":"A signature proving the statement was not modified"},contentType:"application/octet-stream"}),"string"==typeof e[n].value&&(e[n].value=this.stringToArrayBuffer(e[n].value)),e[n].type.length=e[n].value.byteLength,e[n].type.sha2=toSHA256(e[n].value),t.attachments.push(e[n].type);var r=[],o=(Math.random()+" ").substring(2,10)+(Math.random()+" ").substring(2,10);i["Content-Type"]="multipart/mixed; boundary="+o;var s="\r\n",a=["--"+o,"Content-Type: application/json",'Content-Disposition: form-data; name="statement"',"",JSON.stringify(t)].join(s)+s;for(var n in r.push(a),e)if(e.hasOwnProperty(n)){var p=["--"+o,"Content-Type: "+e[n].type.contentType,"Content-Transfer-Encoding: binary","X-Experience-API-Hash: "+e[n].type.sha2].join(s)+s+s;r.push(p),r.push(e[n].value)}return r.push(s+"--"+o+"--"+s),new Blob(r)},t.prototype.sendStatements=function(t,e){if(this.testConfig()){for(var i in t)t.hasOwnProperty(i)&&this.prepareStatement(t[i]);var n=_.XHR_request(this.lrs,this.lrs.endpoint+"statements","POST",JSON.stringify(t),this.lrs.auth,e,null,!1,null,this.withCredentials,this.strictCallbacks);if(!e)return n}},t.prototype.getStatements=function(t,e,i){if(this.testConfig()){var n=this.lrs.endpoint+"statements";if(e)n=this.base+e;else{var r=new Array;for(s in t)if(t.hasOwnProperty(s))if("until"==s||"since"==s){var o=new Date(t[s]);r.push(s+"="+encodeURIComponent(o.toISOString()))}else r.push(s+"="+encodeURIComponent(t[s]));0<r.length&&(n=n+"?"+r.join("&"))}var a=_.XHR_request(this.lrs,n,"GET",null,this.lrs.auth,i,null,!1,null,this.withCredentials,this.strictCallbacks);if(void 0===a||404==a.status)return null;try{return JSON.parse(a.response)}catch(t){return a.response}}},t.prototype.getActivities=function(t,e){if(this.testConfig()){var i=this.lrs.endpoint+"activities?activityId=<activityid>";i=i.replace("<activityid>",encodeURIComponent(t));var n=_.XHR_request(this.lrs,i,"GET",null,this.lrs.auth,e,null,!0,null,this.withCredentials,this.strictCallbacks);if(void 0===n||404==n.status)return null;try{return JSON.parse(n.response)}catch(t){return n.response}}},t.prototype.sendState=function(t,e,i,n,r,o,s,a){if(this.testConfig()){var p=this.lrs.endpoint+"activities/state?activityId=<activity ID>&agent=<agent>&stateId=<stateid>";p=(p=(p=p.replace("<activity ID>",encodeURIComponent(t))).replace("<agent>",encodeURIComponent(JSON.stringify(e)))).replace("<stateid>",encodeURIComponent(i)),n&&(p+="&registration="+encodeURIComponent(n));var c=null;o&&s?u("Can't have both If-Match and If-None-Match"):o?c={"If-Match":_.formatHash(o)}:s&&(c={"If-None-Match":_.formatHash(s)});var l="PUT";if(!r)return this.log("No activity state was included."),!1;r instanceof Array?(r=JSON.stringify(r),(c=c||{})["Content-Type"]="application/json"):r instanceof Object?(r=JSON.stringify(r),(c=c||{})["Content-Type"]="application/json",l="POST"):(c=c||{})["Content-Type"]="application/octet-stream",_.XHR_request(this.lrs,p,l,r,this.lrs.auth,a,null,null,c,this.withCredentials,this.strictCallbacks)}},t.prototype.getState=function(t,e,i,n,r,o){if(this.testConfig()){var s=this.lrs.endpoint+"activities/state?activityId=<activity ID>&agent=<agent>";s=(s=s.replace("<activity ID>",encodeURIComponent(t))).replace("<agent>",encodeURIComponent(JSON.stringify(e))),i&&(s+="&stateId="+encodeURIComponent(i)),n&&(s+="&registration="+encodeURIComponent(n)),r&&null!=(r=isDate(r))&&(s+="&since="+encodeURIComponent(r.toISOString()));var a=_.XHR_request(this.lrs,s,"GET",null,this.lrs.auth,o,null,!0,null,this.withCredentials,this.strictCallbacks);if(void 0===a||404==a.status)return null;try{return JSON.parse(a.response)}catch(t){return a.response}}},t.prototype.deleteState=function(t,e,i,n,r,o,s){if(this.testConfig()){var a=this.lrs.endpoint+"activities/state?activityId=<activity ID>&agent=<agent>&stateId=<stateid>";a=(a=(a=a.replace("<activity ID>",encodeURIComponent(t))).replace("<agent>",encodeURIComponent(JSON.stringify(e)))).replace("<stateid>",encodeURIComponent(i)),n&&(a+="&registration="+encodeURIComponent(n));var p=null;r&&o?u("Can't have both If-Match and If-None-Match"):r?p={"If-Match":_.formatHash(r)}:o&&(p={"If-None-Match":_.formatHash(o)});var c=_.XHR_request(this.lrs,a,"DELETE",null,this.lrs.auth,s,null,!1,p,this.withCredentials,this.strictCallbacks);if(void 0===c||404==c.status)return null;try{return JSON.parse(c.response)}catch(t){return c}}},t.prototype.sendActivityProfile=function(t,e,i,n,r,o){if(this.testConfig()){var s=this.lrs.endpoint+"activities/profile?activityId=<activity ID>&profileId=<profileid>";s=(s=s.replace("<activity ID>",encodeURIComponent(t))).replace("<profileid>",encodeURIComponent(e));var a=null;n&&r?u("Can't have both If-Match and If-None-Match"):n?a={"If-Match":_.formatHash(n)}:r&&(a={"If-None-Match":_.formatHash(r)});var p="PUT";if(!i)return this.log("No activity profile was included."),!1;i instanceof Array?(i=JSON.stringify(i),(a=a||{})["Content-Type"]="application/json"):i instanceof Object?(i=JSON.stringify(i),(a=a||{})["Content-Type"]="application/json",p="POST"):(a=a||{})["Content-Type"]="application/octet-stream",_.XHR_request(this.lrs,s,p,i,this.lrs.auth,o,null,!1,a,this.withCredentials,this.strictCallbacks)}},t.prototype.getActivityProfile=function(t,e,i,n){if(this.testConfig()){var r=this.lrs.endpoint+"activities/profile?activityId=<activity ID>";r=r.replace("<activity ID>",encodeURIComponent(t)),e&&(r+="&profileId="+encodeURIComponent(e)),i&&null!=(i=isDate(i))&&(r+="&since="+encodeURIComponent(i.toISOString()));var o=_.XHR_request(this.lrs,r,"GET",null,this.lrs.auth,n,null,!0,null,this.withCredentials,this.strictCallbacks);if(void 0===o||404==o.status)return null;try{return JSON.parse(o.response)}catch(t){return o.response}}},t.prototype.deleteActivityProfile=function(t,e,i,n,r){if(this.testConfig()){var o=this.lrs.endpoint+"activities/profile?activityId=<activity ID>&profileId=<profileid>";o=(o=o.replace("<activity ID>",encodeURIComponent(t))).replace("<profileid>",encodeURIComponent(e));var s=null;i&&n?u("Can't have both If-Match and If-None-Match"):i?s={"If-Match":_.formatHash(i)}:n&&(s={"If-None-Match":_.formatHash(n)});var a=_.XHR_request(this.lrs,o,"DELETE",null,this.lrs.auth,r,null,!1,s,this.withCredentials,this.strictCallbacks);if(void 0===a||404==a.status)return null;try{return JSON.parse(a.response)}catch(t){return a}}},t.prototype.getAgents=function(t,e){if(this.testConfig()){var i=this.lrs.endpoint+"agents?agent=<agent>";i=i.replace("<agent>",encodeURIComponent(JSON.stringify(t)));var n=_.XHR_request(this.lrs,i,"GET",null,this.lrs.auth,e,null,!0,null,this.withCredentials,this.strictCallbacks);if(void 0===n||404==n.status)return null;try{return JSON.parse(n.response)}catch(t){return n.response}}},t.prototype.sendAgentProfile=function(t,e,i,n,r,o){if(this.testConfig()){var s=this.lrs.endpoint+"agents/profile?agent=<agent>&profileId=<profileid>";s=(s=s.replace("<agent>",encodeURIComponent(JSON.stringify(t)))).replace("<profileid>",encodeURIComponent(e));var a=null;n&&r?u("Can't have both If-Match and If-None-Match"):n?a={"If-Match":_.formatHash(n)}:r&&(a={"If-None-Match":_.formatHash(r)});var p="PUT";if(!i)return this.log("No agent profile was included."),!1;i instanceof Array?(i=JSON.stringify(i),(a=a||{})["Content-Type"]="application/json"):i instanceof Object?(i=JSON.stringify(i),(a=a||{})["Content-Type"]="application/json",p="POST"):(a=a||{})["Content-Type"]="application/octet-stream",_.XHR_request(this.lrs,s,p,i,this.lrs.auth,o,null,!1,a,this.withCredentials,this.strictCallbacks)}},t.prototype.getAgentProfile=function(t,e,i,n){if(this.testConfig()){var r=this.lrs.endpoint+"agents/profile?agent=<agent>";r=(r=r.replace("<agent>",encodeURIComponent(JSON.stringify(t)))).replace("<profileid>",encodeURIComponent(e)),e&&(r+="&profileId="+encodeURIComponent(e)),i&&null!=(i=isDate(i))&&(r+="&since="+encodeURIComponent(i.toISOString()));var o=_.XHR_request(this.lrs,r,"GET",null,this.lrs.auth,n,null,!0,null,this.withCredentials,this.strictCallbacks);if(void 0===o||404==o.status)return null;try{return JSON.parse(o.response)}catch(t){return o.response}}},t.prototype.deleteAgentProfile=function(t,e,i,n,r){if(this.testConfig()){var o=this.lrs.endpoint+"agents/profile?agent=<agent>&profileId=<profileid>";o=(o=o.replace("<agent>",encodeURIComponent(JSON.stringify(t)))).replace("<profileid>",encodeURIComponent(e));var s=null;i&&n?u("Can't have both If-Match and If-None-Match"):i?s={"If-Match":_.formatHash(i)}:n&&(s={"If-None-Match":_.formatHash(n)});var a=_.XHR_request(this.lrs,o,"DELETE",null,this.lrs.auth,r,null,!1,s,this.withCredentials,this.strictCallbacks);if(void 0===a||404==a.status)return null;try{return JSON.parse(a.response)}catch(t){return a}}},_.ruuid=function(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(t){var e=16*Math.random()|0;return("x"==t?e:3&e|8).toString(16)})},_.dateFromISOString=function(t){var e=t.match(new RegExp("([0-9]{4})(-([0-9]{2})(-([0-9]{2})([T| ]([0-9]{2}):([0-9]{2})(:([0-9]{2})(.([0-9]+))?)?(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?")),i=0,n=new Date(e[1],0,1);e[3]&&n.setMonth(e[3]-1),e[5]&&n.setDate(e[5]),e[7]&&n.setHours(e[7]),e[8]&&n.setMinutes(e[8]),e[10]&&n.setSeconds(e[10]),e[12]&&n.setMilliseconds(1e3*Number("0."+e[12])),e[14]&&(i=60*Number(e[16])+Number(e[17]),i*="-"==e[15]?1:-1),i-=n.getTimezoneOffset(),time=Number(n)+60*i*1e3;var r=new Date;return r.setTime(Number(time)),r},_.XHR_request=function(t,n,r,e,i,o,s,a,p,c,l){"use strict";var u,d,h,f,g,v,y=!1,m=!1,S=!1,b=n.toLowerCase().match(/^(.+):\/\/([^:\/]*):?(\d+)?(\/.*)?$/),w=window.location,x={"Content-Type":"application/json"};if(x.Authorization=i,x["X-Experience-API-Version"]=_.XAPIWrapper.xapiVersion,null!==p)for(var C in p)p.hasOwnProperty(C)&&(x[C]=p[C]);if(m=(m=w.protocol.toLowerCase()!==b[1]||w.hostname.toLowerCase()!==b[2])||(null===b[3]?"http"===b[1]?"80":"443":b[3])===w.port,null!==t&&void 0!==t.extended){for(g in f=new Array,t.extended)f.push(g+"="+encodeURIComponent(t.extended[g]));0<f.length&&(n+=(-1<n.indexOf("?")?"&":"?")+f.join("&"))}var A,I,R=window.XDomainRequest&&window.XMLHttpRequest&&void 0===(new XMLHttpRequest).responseType;if(m&&void 0!==R&&!1!==R)S=!0,d=function(t,e,i,n){var r=e,o=new Array,s=r.indexOf("?");if(0<s&&(o.push(r.substr(s+1)),r=r.substr(0,s)),r=r+"?method="+t,null!==i)for(var a in i)i.hasOwnProperty(a)&&o.push(a+"="+encodeURIComponent(i[a]));return null!==n&&o.push("content="+encodeURIComponent(n)),{method:"POST",url:r,headers:{},data:o.join("&")}}(r,n,x,e),(u=new XDomainRequest).open(d.method,d.url);else for(var C in(u=new XMLHttpRequest).withCredentials=c,u.open(r,n,null!=o),x)u.setRequestHeader(C,x[C]);function T(){if(y)return h;y=!0;var t=a&&404===u.status;if(!(void 0===u.status||200<=u.status&&u.status<400||t)){var e;try{e="There was a problem communicating with the Learning Record Store. 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i=e.split("."),n=i[0];return e=i.slice(1).join("."),t[n]||(/\[\]$/.test(n)?(n=n.slice(0,-2),Array.isArray(t[n])||(t[n]=[])):t[n]={}),e?r(t[n],e):t[n]}function n(t,e,i,n){if(t&&t.actor&&t.verb&&t.object){var r=t;for(var o in r)"actor"!=o&&"verb"!=o&&"object"!=o&&(this[o]=r[o]);t=r.actor,e=r.verb,i=r.object}t?t instanceof a?this.actor=t:"Agent"!==t.objectType&&t.objectType?"Group"===t.objectType&&(this.actor=new p(t)):this.actor=new a(t):this.actor=null,this.verb=e?e instanceof c?e:new c(e):null,i?"Activity"!==i.objectType&&i.objectType?"Agent"===i.objectType?this.object=i instanceof a?i:new a(i):"Group"===i.objectType?this.object=i instanceof p?i:new p(i):"StatementRef"===i.objectType?this.object=i instanceof u?i:new u(i):"SubStatement"===i.objectType?this.object=i instanceof d?i:new d(i):this.object=null:this.object=i instanceof l?i:new l(i):this.object=null,n&&(this.result=n),this.generateId=function(){this.id=s.ruuid()}}n.prototype.toString=function(){return this.actor.toString()+" 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