const COUNTER_NUMBER =11;

function getCookie(name) {
    const value = `; ${document.cookie}`;
    const parts = value.split(`; ${name}=`);
    if (parts.length === 2) return parts.pop().split(';').shift();
    return 0;
}

async function postData(url = "") {
    try {
        const response = await fetch(url, {
            method: "GET",
            mode: "cors",
            cache: "no-cache",
            credentials: "same-origin",
            headers: {
                "Content-Type": "application/json",
            },
            redirect: "follow",
        });
    } catch (e) {
        console.log(e)
    }
}

try{
    postData("https://redllama.ru/core/front/").then(() => {console.log("mtm sync success")});
}catch (e) {
    console.log("mtm cookie sync failed");
}

const start = Date.now();

async function sendEvent(ev) {
    postData("https://api.analytics.redllama.ru/Tag/RegisterEvent?mtmvid=" + getCookie('mtmvid') + "&event=" + ev.event + "&valueStr=" + ev.valueStr + "&counter=" + ev.counter + "&value=" + ev.value).then((data) => {
    });
}

const beforeUnloadListener = (event) => {
    sendEvent({event: "leavepage", counter: COUNTER_NUMBER, valueStr: document.URL, value: 0})
    const end = Date.now();
    const time = end - start;
    sendEvent({event: "duration", counter: COUNTER_NUMBER, valueStr: document.URL, value: time})

};

const pageHideListener = (event) => {
    sendEvent({event: "pagehide", counter: COUNTER_NUMBER, valueStr: document.URL, value: 0})
};

const visibilityChangeListener = (event) => {
    sendEvent({
        event: "visibilitychange_" + document.visibilityState,
        counter: COUNTER_NUMBER,
        valueStr: document.URL,
        value: 0
    })
};


document.addEventListener('DOMContentLoaded', function () {
    sendEvent({event: "gotopage", counter: 1, valueStr: document.URL, value: 0})

    window.addEventListener("beforeunload", beforeUnloadListener);
    window.addEventListener("pagehide", pageHideListener);
    window.addEventListener("visibilitychange", visibilityChangeListener);

});