function get_episode() {
    const active = document.querySelector('li.b-simple_episode__item.active');

    if (active) {
        const textContent = active.textContent.trim();
        const episodeNumberString = textContent.replace("Серия ", "");
        const episodeNumber = parseInt(episodeNumberString, 10);

        if (!isNaN(episodeNumber)) {
            return episodeNumber;
        } else {
            return 0;
        }
    } else {
        return 0;
    }
}

function get_season() {
    const active = document.querySelector('li.b-simple_season__item.active');

    if (active) {
        const textContent = active.textContent.trim();
        const episodeNumberString = textContent.replace("Сезон ", "");
        const episodeNumber = parseInt(episodeNumberString, 10);

        if (!isNaN(episodeNumber)) {
            return episodeNumber;
        } else {
            return 0;
        }
    } else {
        return 0;
    }
}

function timeToMilliseconds(timeString) {
    const [hours, minutes, seconds] = timeString.split(':').map(Number);
    return (hours * 3600 + minutes * 60 + seconds) * 1000;
}

function get_timestamps() {
    const timeElements = document.querySelectorAll('pjsdiv[style*="pointer-events: none;"] noindex');
    const times = [];

    timeElements.forEach(element => {
        times.push(element.textContent);
    });

    const currentTime = times[0];
    const totalTime = times[1].replace("/ ", "");


    if (currentTime == NaN || totalTime == NaN) {
        console.warn("timestamps not found");
        return [0, 0];
    }

    if (!get_timestamps.previousTimes) {
        get_timestamps.previousTimes = [];
    }

    get_timestamps.previousTimes.push(currentTime);

    if (get_timestamps.previousTimes.length > 3) {
        get_timestamps.previousTimes.shift();
    }

    if (get_timestamps.previousTimes.length === 3 && 
        get_timestamps.previousTimes.every(val => val === currentTime)) {
        console.warn("currentTime repeated too many times");
        return [1, 1];
    }

    return [timeToMilliseconds(currentTime), timeToMilliseconds(totalTime)];
}

function get_name() {
    let element = document.querySelector('.b-post__title h1[itemprop="name"]');
    try {        
        return element.textContent;
    } catch (error) {
        return null;
    }
}

function get_image_url() {
    const element = document.querySelector('.b-post__infotable_left .b-sidecover a img');
    return element.src;
}

if (window.location.href.includes("flymaterez.net")) {
    setInterval(async () => {
        try {
            chrome.storage.local.get(['pluginEnabled'], function(result) {
                if (result.pluginEnabled === true && get_name() !== null) {
                    chrome.runtime.sendMessage({
                        type: "send_rpc_request",
                        title: document.title,
                        url: window.location.href,
                        episode: get_episode(),
                        season: get_season(),
                        timestamps: get_timestamps(),
                        name: get_name(),
                        image_url: get_image_url(),
                    });
                } else if (result.pluginEnabled === true && get_name() === null) {
                    chrome.runtime.sendMessage({
                        type: "send_rpc_request",
                        title: document.title,
                        url: window.location.href,
                        episode: 0,
                        season: 0,
                        timestamps: [2, 2],
                        name: "name",
                        image_url: "image_url",
                    });
                }
            });
        } catch (error) {
            // console.log(error);
            ;
        }
    }, 1000);
}