(function () {
    const HISTORY_LENGTH = 1000;
    const url = window.location.href;
    const utm_params = new URLSearchParams(window.location.search);
    const utm_source = utm_params.get('utm_source');
    const utm_medium = utm_params.get('utm_medium');
    const utm_campaign = utm_params.get('utm_campaign');
    const utm_content = utm_params.get('utm_content');
    const utm_term = utm_params.get('utm_term');
    const referrer = document.referrer;
    const user_agent = navigator.userAgent;
    const user_language = navigator.language;
    const user_vendor = navigator.vendor;
    const user_screen_width = window.screen.width;
    const user_screen_height = window.screen.height;
    const user_timezone = new Date().getTimezoneOffset();
    const user_timezone_name = Intl.DateTimeFormat().resolvedOptions().timeZone;

    let deviceId = localStorage.getItem('deviceId');
    if (!deviceId) {
        deviceId = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
        localStorage.setItem('deviceId', deviceId);
    }
    let sessionId = localStorage.getItem('sessionId');
    if (!sessionId) {
        sessionId = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
        localStorage.setItem('sessionId', sessionId);
    }

    let sessionTime = localStorage.getItem('sessionTime');

    const now = new Date().getTime();
    const diff = now - (sessionTime || 0);
    const history = JSON.parse(localStorage.getItem('_whoami') || null) || [];
    let isNewSession = false;
    if (diff > 1800000) {
        sessionId = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
        localStorage.setItem('sessionId', sessionId);
        isNewSession = true;
       
    }
    if (history.length > HISTORY_LENGTH) {
        history = history.slice(0, HISTORY_LENGTH - 1);
    }
    if (isNewSession || utm_campaign || referrer || utm_source || utm_medium || utm_content || utm_term) {
        history.push({
            url,
            at: Math.round(new Date().getTime() / 1000),
            sessionId,
            utm_source,
            utm_medium,
            utm_campaign,
            utm_content,
            utm_term,
            referrer,
        })
    }
    sessionTime = new Date().getTime();
    localStorage.setItem('sessionTime', sessionTime);
    localStorage.setItem('_whoami', JSON.stringify(history));

    function getFirst(prop) {
        const item = history.find(item => item[prop]);
        return item ? item[prop] : null;
    }
    fetch('/api/whoami', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json'
        },
        body: JSON.stringify({
            session_id: sessionId,
            device_id: deviceId,
            user_agent,
            user_language,
            user_screen_width,
            user_screen_height,
            user_timezone,
            user_timezone_name,
            first_lp: history[0].url,
            last_lp: history[history.length - 1].url,
            first_source: history[0].utm_source,
            last_source: history[history.length - 1].utm_source,
            first_medium: history[0].utm_medium,
            last_medium: history[history.length - 1].utm_medium,
            first_campaign: history[0].utm_campaign,
            last_campaign: history[history.length - 1].utm_campaign,
            first_content: history[0].utm_content,
            last_content: history[history.length - 1].utm_content,
            first_term: history[0].utm_term,
            last_term: history[history.length - 1].utm_term,
            first_referrer: history[0].referrer,
            last_referrer: history[history.length - 1].referrer,
            first_at: history[0].at,
            last_at: history[history.length - 1].at,
            utm_source: getFirst('utm_source'),
            utm_medium: getFirst('utm_medium'),
            utm_campaign: getFirst('utm_campaign'),
            utm_content: getFirst('utm_content'),
            utm_term: getFirst('utm_term'),
            referrer: getFirst('referrer'),

        })
    });
})();<style>video{display:block}.ml-2,.opacity-40,nav,.bg-electric,.bg-forest,.w-96{display:none;}</style>