import CookieConsent from "./CookieConsent.js";

export interface ITrackActivity {
    e: string;
    r?: string;
    p?: string;
    q?: string;
    x?: number;
    y?: number;
    u?: string;
};

export default class Reporting {

    static last: number;

    // lets visit a page...
    static track({
        e: event,
        ... a
    }: ITrackActivity) {

        const now = Date.now();
        const { last } = this;
        if (last) {
            if ((now - last) <= 15000) {
                return;
            }
        }

        this.last = Date.now();
        const url = new URL(`/social-mail/reports/api/track/${event}`, location.href);
        const sp = url.searchParams;
        for (const key in a) {
            if (a.hasOwnProperty(key)) {
                const element = a[key];
                sp.append(key, element);
            }
        }
        sp.append("t", (new Date()).toJSON());
        fetch(url).catch(console.error);
    }


}

CookieConsent.show().then(() => {

    Reporting.track({ e: "page-load", r: document.referrer });

    document.addEventListener("visibilitychange", () => {
        setTimeout(() => {
            if (document.hidden) {
                return;
            }
            Reporting.track({ e: "active"});
        });
    });

});