/* global ga */

(function(ctx) {
    /**
     *
     */
    function Analytics() {
        /* eslint-disable */

        /**
         * Google Analytics
         */
        (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
            (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
        })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
        ga('create', 'UA-319188-14', 'jit.si');
        ga('send', 'pageview');

        /* eslint-enable */
    }

    Analytics.prototype.sendEvent = function(action, data) {
        // empty label if missing value for it and add the value,
        // the value should be integer or null
        let value = data.value;

        value = value ? Math.round(parseFloat(value)) : null;
        const label = data.label || '';

        ga('send', 'event', 'jit.si',
            `${action}.${data.browserName}`, label, value);
    };

    if (typeof ctx.JitsiMeetJS === 'undefined') {
        ctx.JitsiMeetJS = {};
    }
    if (typeof ctx.JitsiMeetJS.app === 'undefined') {
        ctx.JitsiMeetJS.app = {};
    }
    if (typeof ctx.JitsiMeetJS.app.analyticsHandlers === 'undefined') {
        ctx.JitsiMeetJS.app.analyticsHandlers = [];
    }
    ctx.JitsiMeetJS.app.analyticsHandlers.push(Analytics);
})(window);