export type EventName = "PAGE_VIEW" | "ADD_COMPONENT" | "DELETE_COMPONENT" | "RESIZE_COMPONENT"
export type Gender = "MALE" | "FEMALE"
export interface User {
	userId: string
	name: string
	email: string
	gender: Gender
}

class AnalyticsUtil {

	static initializeHotjar(id: string, sv: string) {
		(function init(h: any, o: any, t: any, j: any, a?: any, r?: any) {
			h.hj =
				h.hj ||
				function() {
					(h.hj.q = h.hj.q || []).push(arguments);
				};
			h._hjSettings = { hjid: id, hjsv: sv };
			a = o.getElementsByTagName('head')[0];
			r = o.createElement('script');
			r.async = 1;
			r.src = t + h._hjSettings.hjid + j + h._hjSettings.hjsv;
			a.appendChild(r);
		})(window, document, '//static.hotjar.com/c/hotjar-', '.js?sv=');
	};

	static initializeSegment() {
		(function init(window: any){
			var analytics=window.analytics=window.analytics||[];
			if(!analytics.initialize) {
				if(analytics.invoked) {
					window.console&&console.error&&console.error("Segment snippet included twice.");
				} else {
					analytics.invoked=!0;analytics.methods=["trackSubmit","trackClick","trackLink","trackForm","pageview","identify","reset","group","track","ready","alias","debug","page","once","off","on"];
					analytics.factory=function(t: any){return function(){var e=Array.prototype.slice.call(arguments);e.unshift(t);analytics.push(e);return analytics}
				};
			}
			for(var t: any=0;t<analytics.methods.length;t++){var e=analytics.methods[t];analytics[e]=analytics.factory(e)}analytics.load=function(t: any,e: any){var n=document.createElement("script");n.type="text/javascript";n.async=!0;n.src="https://cdn.segment.com/analytics.js/v1/"+t+"/analytics.min.js";var a: any=document.getElementsByTagName("script")[0];a.parentNode.insertBefore(n,a);analytics._loadOptions=e};analytics.SNIPPET_VERSION="4.1.0";
  			analytics.load("O7rsLdWq7fhJI9rYsj1eatGAjuULTmfP");
  			analytics.page();
		  }
		})(window)
	}

	static logEvent(eventName: EventName, eventData: any) {
		const windowDoc: any = window
		windowDoc.analytics.track(eventName, eventData);
	}

	static identifyUser(userId: string, userData: User) {
		const windowDoc: any = window
		windowDoc.analytics.identify(userId, userData);
	}

}

export default AnalyticsUtil