import axios from 'axios';

interface AnalyticsModel {

run: typeof run

}

var Analytics:AnalyticsModel = {

run: run

};

function run():any {

let saffronDomain:string = 'https://saffroncodesdk.com/api/Projects/versioncontrol';

let hostName:string = window.location.hostname;

// if on localhost, stop all actions.

if( hostName === 'localhost' ||

(hostName.indexOf('192.168') > -1) ) {

console.log('localhost: analytics stop');

return;

}

let interval:number;

let frequency:number = 200;

// set up interval and send api call on initialization

// setAnalyticInterval();

sendApiRequest();

document.addEventListener("visibilitychange", onVisibleChange);

function setAnalyticInterval():any {

let prevLocation:string = window.location.href;

let presentLocation:string = window.location.href;

interval = setInterval(() => {

presentLocation = window.location.href;

if( prevLocation === presentLocation ) {

return;

}

// call api and set prevLocation to presentLocation

sendApiRequest();

prevLocation = presentLocation;

}, frequency)

}

function sendApiRequest():any {

let body = {

AppId: hostName,

PageName: '',

Enter: false

};

let pathName: string = window.location.pathname;

let pathArray: string[] = pathName.split('/');

let pageName: string = pathArray[1];

if(pageName && (pageName.length > 0)) {

body = {

AppId: hostName,

PageName: pageName,

Enter: true

};

}

axios.post(saffronDomain, body)

.then(response => {

let parser = new DOMParser();

let xmlDoc = parser.parseFromString(response.data,"text/xml");

let id = xmlDoc.getElementsByTagName('id')[0].childNodes[0].nodeValue || '3001';

// if id is greater than 3000 the proccess is invalid

// and user should be redirected to saffron page

if(parseFloat(id) > 3000) {

let text = xmlDoc.getElementsByTagName('text')[0].childNodes[0].nodeValue;

let url = xmlDoc.getElementsByTagName('url_ios')[0].childNodes[0].nodeValue || '/';

alert(text);

window.location.replace(url);

}

});

}

function onVisibleChange () {

// if page is hidden to user (minimize or on another tab)

// clear interval and set interval again if page is visible

// to user and also send api request

let isHidden:boolean = document.hidden;

if(isHidden) {

// clearInterval(interval);

return;

}

// clearInterval(interval);

// setAnalyticInterval();

sendApiRequest();

// console.log(document.hidden, 'isHidden', document.visibilityState, 'state');

}

}

export default Analytics;