/**
* OSINT LIAR: Snippet for collecting comments from a YouTube video and save the page and the comments into OSINT LIAR.
* Buy or get a Trial license for OSINT LIAR from https://osintliar.com 
* DO NOT REPRODUCE OR COPY WITH PERMISSION
*/

(function expandAllComments() {
    let lastScrollHeight = -1;
    let saved = false;
    let lastNodeCount = 0;
    let tries = 0;
    const EXTENSION_ID = 'mgmandbcdaecndcllojppohiekdbhcie';
    const distance = 150; // How many pixels to scroll on each step
    let scrolled = 0;
    let flag = false;
    const MAX_TRIES = 40; // Set higher if you have a high latency internet connection or saving is happening too early.
    let intervalId = setInterval(() => {
        // Find all "Show more" and reply buttons buttons for comments and replies
        const buttons = document.querySelectorAll(
            '.ytd-item-section-renderer, .ytd-continuation-item-renderer, .ytd-replies-alt, .more-button'
        );
              
        // Click each "Show more" button if it's not already clicked
        buttons.forEach(button => {
            if (isButtonVisible(button) && !button.getAttribute('clicked')) {
                button.click();
                button.setAttribute('clicked', true);
            }
        });

        let exit = false;
        if(exit){
            flag = true;
            console.log('exiting')
        }

        // Scroll down to load more comments
        window.scrollBy(0, distance);
        scrolled += distance;
      
        // Check if the scroll position is at the bottom and no more comments to load
        if (flag) {
            clearInterval(intervalId);
            console.log('All comments expanded. Scrolling to the top...');
            window.scrollTo(0, 0); // Scroll back to the top of the page
            if(!saved){
              saved = true;
              delay(2000)
              // Save the page into OSINT LIAR              
              chrome.runtime.sendMessage(EXTENSION_ID, {captureTab: true},
                function(response) {
                  console.log(response)
                }
              );                    
            }              
        } 
        else {
            previousHeight = lastScrollHeight;
            lastScrollHeight = document.documentElement.scrollHeight;
            const element = document.getElementById('sections');
            let height = element.clientHeight;                              
            flag = (lastScrollHeight > height + 5000 && tries > MAX_TRIES)
            if(flag){
                console.log("scroll height flag")
            }

            if(lastNodeCount === element.children.length){
              tries++;
            }
            if(!flag && tries > MAX_TRIES && previousHeight === lastScrollHeight){  
              flag = true;
              console.log("Max tries exceeded.")  
            }
            else if(lastNodeCount !== element.children.length || previousHeight !== lastScrollHeight)
            {
              lastNodeCount = element.children.length
              tries = 0;
            }
                    
        }
                }, 750); // Adjust time interval as needed, depends on your latency
            })();


function delay(milliseconds){
    return new Promise(resolve => {
        setTimeout(resolve, milliseconds);
    });
}

function isButtonVisible(button) {

    if (!button) {
        console.log('Button not found');
        return false;
    }

    const style = window.getComputedStyle(button);

    // Check for display property
    if (style.display === 'none') return false;

    // Check for visibility property
    if (style.visibility === 'hidden') return false;

    // Check for opacity
    if (style.opacity === '0') return false;

    // Check if the button has dimensions
    if (button.offsetWidth === 0 && button.offsetHeight === 0) return false;

    // Check if the button is in the viewport
    const rect = button.getBoundingClientRect();
    const inViewport = rect.top >= 0 && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && rect.right <= (window.innerWidth || document.documentElement.clientWidth);

    return inViewport;
}