// ==UserScript==
// @name           LaStampa.it: Hide Annoying popups (the anti-adblock popup and others)
// @name:it        LaStampa.it: Nasconde i popup fastidiosi (il popup anti-adblock ed altri)
// @description    This script hides the annoying popups (the anti-adblock popup and others) that are shown in the web page.
// @description:it Questo script nasconde i popup fastidiosi (il popup anti-adblock e altri) che vengono visualizzati nella pagina web.
// @match          https://*.lastampa.it/*
// @grant          none
//// @run-at         document-start
// @version        1.0.6
// @author         Cyrano68
// @license        MIT
// @namespace https://greasyfork.org/users/788550
// @downloadURL https://update.greasyfork.cloud/scripts/517666/LaStampait%3A%20Hide%20Annoying%20popups%20%28the%20anti-adblock%20popup%20and%20others%29.user.js
// @updateURL https://update.greasyfork.cloud/scripts/517666/LaStampait%3A%20Hide%20Annoying%20popups%20%28the%20anti-adblock%20popup%20and%20others%29.meta.js
// ==/UserScript==

(function()
{
    "use strict";

    function console_log(text)
    {
        const dateNow = new Date();
        //let now = dateNow.toISOString();
        let now = dateNow.toLocaleString() + "." + dateNow.getMilliseconds();
        console.log(`${now} ${text}`);
    }

    var myVersion = GM_info.script.version;
    console_log(`==> LaStampa_it_HideAnnoyingPopup: HELLO! Loading script (version: ${myVersion})...`);

    document.addEventListener("DOMContentLoaded", onDOMContentLoaded);
    window.addEventListener("load", onWindowLoaded);

    createMutationObserver();

    function onDOMContentLoaded()
    {
        console_log(`==> LaStampa_it_HideAnnoyingPopup: onDOMContentLoaded - document.readyState=${document.readyState}`);
        // DO NOTHING!
    }

    function onWindowLoaded()
    {
        console_log(`==> LaStampa_it_HideAnnoyingPopup: onWindowLoaded - document.readyState=${document.readyState}`);
        // DO NOTHING!
    }

    function onMutationList(mutationList, observer)
    {
        //console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - mutationList.length=${mutationList.length}`);
        mutationList.forEach((mutation, i) =>
        {
            //console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - mutation[${i}] - mutation.type=${mutation.type}`);
            if (mutation.type === "childList")
            {
                let addedNodes = mutation.addedNodes;
                if (addedNodes.length > 0)
                {
                    //console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - mutation[${i}] - addedNodes.length=${addedNodes.length}`);
                    addedNodes.forEach((addedNode, j) =>
                    {
                        let searchedDiv = searchVisibleNode(addedNode, "div.fc-dialog-container");
                        if (searchedDiv !== null)
                        {
                            // Hide the anti-adblock popup and show again the vertical scrollbar.
                            //

                            //console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - searchedDiv.outerHTML='${searchedDiv.outerHTML}'`);

                            let parentElement = searchedDiv.parentElement;
                            console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - parentElement: tagName='${parentElement.tagName}' id='${parentElement.id}'`);

                            searchedDiv.style.display = "none";  // Hide node.
                            document.body.style.overflowY = "scroll";  // Show vertical scrollbar.
                            searchedDiv.remove();  // Remove node. IMPORTANT: Without this instruction the script does NOT work properly.
                            console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - 'fc-dialog-container' - mutation[${i}], addedNode[${j}] - searchedDiv.tagName='${searchedDiv.tagName}', searchedDiv.classList='${searchedDiv.classList}' ---> HIDDEN/REMOVED`);
                        }

                        searchedDiv = searchVisibleNode(addedNode, "div#iubenda-cs-banner");
                        if (searchedDiv !== null)
                        {
                            // Hide another anti-adblock popup and show again the vertical scrollbar.
                            //

                            //console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - searchedDiv.outerHTML='${searchedDiv.outerHTML}'`);

                            let parentElement = searchedDiv.parentElement;
                            console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - parentElement: tagName='${parentElement.tagName}' id='${parentElement.id}'`);

                            searchedDiv.style.display = "none";  // Hide node.
                            document.body.style.overflowY = "scroll";  // Show vertical scrollbar.
                            searchedDiv.remove();  // Remove node. IMPORTANT: Without this instruction the script does NOT work properly.
                            console_log(`==> LaStampa_it_HideAnnoyingPopup: onMutationList - 'iubenda-cs-banner' - mutation[${i}], addedNode[${j}] - searchedDiv.tagName='${searchedDiv.tagName}', searchedDiv.classList='${searchedDiv.classList}' ---> HIDDEN/REMOVED`);
                        }
                    });
                }
            }
        });
    }

    function searchVisibleNode(node, selector)
    {
        let parentElement = node.parentElement;
        return (parentElement === null ? null : parentElement.querySelector(`${selector}:not([style*=\"display:none\"]):not([style*=\"display: none\"])`));
    }

    function createMutationObserver()
    {
        console_log("==> LaStampa_it_HideAnnoyingPopup: createMutationObserver");

        // SEE: https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver
        const MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;

        // Create an observer instance linked to the callback function.
        const observer = new MutationObserver(onMutationList);

        // Options for the observer (which mutations to observe).
        const config = {subtree: true, childList: true};

        // Start observing the target node for configured mutations.
        observer.observe(document, config);
    }

    console_log("==> LaStampa_it_HideAnnoyingPopup: Script loaded");
})();