/**
 * Activate all the videos on this page.
 */
function activateVideos() {
    const iframes = document.querySelectorAll('.video__iframe[data-src*="youtube-nocookie.com"]');
    iframes.forEach((iframe) => {
        iframe.src = iframe.dataset.src;
    });
}


/**
 * Activate only the video with the given video ID
 */
function activateVideo(videoId) {
    const surroundingDiv = document.getElementById(videoId);
    const iframes = surroundingDiv.querySelectorAll('.video__iframe[data-src*="youtube-nocookie.com"]');
    iframes.forEach((iframe) => {
        iframe.src = iframe.dataset.src;
    });
}


/**
 * Invoked by the accept buttons to activate one or all videos.
 * @param videodId The ID of the video to activate. Undefined to activate all.
 */
function onConsent(videoId) {
    // Activate only the given video if the videoId is defined. Otherwise,
    // activate all videos permanently by setting our cookie valid for a year.
    if (videoId) {
        activateVideo(videoId);
    }
    else {
        Cookies.set('grav_youtubeconsent', 'true', { expires: 365 });
        activateVideos();
    }

    return false;
}


/**
 * When the page is loaded, activate all videos in case the "grav_youtubeconsent" cookie has the value 'true'.
 */
window.addEventListener("load", function () {
    if (Cookies.get('grav_youtubeconsent') === 'true') {
        activateVideos();
    }
});