document.addEventListener("DOMContentLoaded", function () {


    function getCookie(name) {
        var nameEQ = name + "=";
        var ca = document.cookie.split(';');
        for (var i = 0; i < ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) === ' ') c = c.substring(1, c.length);
            if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);
        }
        return null;
    }

    function setCookie(name, value, days) {
        var expires = "";
        if (days) {
            var date = new Date();
            date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
            expires = "; expires=" + date.toUTCString();
        }
        document.cookie = name + "=" + (value || "") + expires + "; path=/; SameSite=Lax";
    }

    function loadScript(url, callback) {
        var script = document.createElement("script");
        script.type = "text/javascript";
        if (script.readyState) {  // IE
            script.onreadystatechange = function () {
                if (script.readyState == "loaded" || script.readyState == "complete") {
                    script.onreadystatechange = null;
                    callback();
                }
            };
        } else {  // Others
            script.onload = function () {
                callback();
            };
        }
        script.src = url;
        document.getElementsByTagName("head")[0].appendChild(script);
    }

    function checkCookieAndLoadScript(cookieName) {
        var consentCookie = getCookie(cookieName);

        if (consentCookie) {
            var consentValues = JSON.parse(consentCookie);

            if (consentValues.includes("statistics")) {
                console.log("Loading Google Analytics");
                loadScript('https://www.googletagmanager.com/gtm.js?id=GTM-TXGSFSV5', function () {
                    // Your code to run after the script is loaded
                    window.dataLayer = window.dataLayer || [];
                    window.dataLayer.push({ 'gtm.start': new Date().getTime(), event: 'gtm.js' });
                });

                var iframe = document.createElement('iframe');
                iframe.style.display = "none";
                iframe.style.visibility = "hidden";
                iframe.width = "0";
                iframe.height = "0";
                iframe.src = "https://www.googletagmanager.com/ns.html?id=GTM-TXGSFSV5";
                document.body.insertBefore(iframe, document.body.firstChild);

            }

            if (consentValues.includes("marketing")) {
                //console.log("Loading marketing");
                //loadScript();
            }
        }
    }

    var scriptTag = document.getElementById("conditional-script");

    var cookieName = scriptTag.getAttribute("data-cookie");
    //var valueToCheck = scriptTag.getAttribute("data-value");
    var consent = getCookie('consent');
    //var consentParsed = null;
    var expectedVersionElement = document.getElementById('cookie-version');
    var expectedVersion = expectedVersionElement.getAttribute('data-expected-version');
    var consentVersion = getCookie('consent_version');

    if (consentVersion !== expectedVersion) {
        document.getElementById('cookie-consent').style.display = 'block';
        // Optionally clear the old 'consent' cookie
        setCookie('consent', '', -1);
    }

    document.getElementById('accept').addEventListener('click', function () {
        var selectedCategories = [];
        var checkboxes = document.querySelectorAll('#cookie-categories input:checked');

        checkboxes.forEach(function (checkbox) {
            selectedCategories.push(checkbox.name);
        });

        setCookie('consent', JSON.stringify(selectedCategories), 365);
        setCookie('consent_version', expectedVersion, 365); // Set the version cookie here
        document.getElementById('cookie-consent').style.display = 'none';
    });

    document.getElementById('decline').addEventListener('click', function () {
        setCookie('consent', 'false', 365);
        setCookie('consent_version', expectedVersion, 365); // Set the version cookie here
        document.getElementById('cookie-consent').style.display = 'none';
    });


    // Call checkCookieConsent when the page loads
    checkCookieAndLoadScript(cookieName);

});