/* Aira GDPR Cookies bootstrap Javascript */

(function() {

    var debug = false;
    var scripts = document.getElementsByTagName('script');
    var src = scripts[scripts.length - 1].src;
    var lang = scripts[scripts.length - 1].lang || 'cs';
    var backendBase = src.substring(0, src.lastIndexOf('/') + 1);
    if(debug) {
        console.log(backendBase);
        console.log(lang);
    }

    window.addEventListener("load", function() {
        if(typeof jQuery === 'undefined') {
            var headTag = document.getElementsByTagName("head")[0];
            var scTag = document.createElement('script');
            scTag.type = 'text/javascript';
            scTag.src = '//ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js';
            scTag.onload = function() { init(jQuery); };
            headTag.appendChild(scTag);
        } else {
            init(jQuery);
        }
    });

    function init($){
        function _cookies() {
            this.consentCookie = null;
            this.cookieName = '_AiraGdprConsent';

            var that = this;
            var topMenuElm = ['#AiraGdprCookiesDetailBodyContentTextOverview','#AiraGdprCookiesDetailBodyContentTextAbout'];
            var topMenuLinks = ['#AiraGdprCookiesDetailBodyContentTabsOverview','#AiraGdprCookiesDetailBodyContentTabsAbout'];
            var cookieTypesElm = ['#AiraGdprCookiesDetailBodyContentCookieTabsNecessary',
            '#AiraGdprCookiesDetailBodyContentCookieTabsStatistics',
            '#AiraGdprCookiesDetailBodyContentCookieTabsAdvertising',
            '#AiraGdprCookiesDetailBodyContentCookieTabsUnclassified'];
            var categoryLinks = ['#AiraGdprCookiesDetailBodyContentCookieContainerNecessary',
            '#AiraGdprCookiesDetailBodyContentCookieContainerStatistical',
            '#AiraGdprCookiesDetailBodyContentCookieContainerAdvertising',
            '#AiraGdprCookiesDetailBodyContentCookieContainerUnclassified'];
            var stringResources = {
                cs: {
                    toggleHide: 'Skrýt detaily',
                    toggleShow: 'Zobrazit detaily',
                    consentedAll: "nezbytných, statistických i marketingových",
                    consentedStatistical: "nezbytných a marketingových",
                    consentedMarketing: "nezbytných a marketingových",
                    consentedEssential: "pouze nezbytných"
                },
                en: {
                    toggleHide: 'Hide details',
                    toggleShow: 'Show details',
                    consentedAll: "essential, statistical and marketing",
                    consentedStatistical: "essential and statistical",
                    consentedMarketing: "essential and marketing",
                    consentedEssential: "only essential"
                },
                de: {
                    toggleHide: "Details ausblenden",
                    toggleShow: "Zeige Details",
                    consentedAll: "essenziell, statistisch und narketing",
                    consentedStatistical: "essenziell und statistisch",
                    consentedMarketing: "essenziell und marketing",
                    consentedEssential: "nur essenziell"
                },
                sk: {
                    toggleHide: 'Skryť detaily',
                    toggleShow: 'Zobraziť detaily',
                    consentedAll: "nevyhnutných, štatistických aj marketingových",
                    consentedStatistical: "nevyhnutných aj štatistických",
                    consentedMarketing: "nevyhnutných aj marketingových",
                    consentedEssential: "len nevyhnutných"
                }
            };
            
            $(document).mouseup(function (e) {
                var container = $("#warning-modal");
                if (container.is(":visible")) {
                    if (that.consentCookie != null) {
                        if (container.is(e.target)) {
                            container.hide();
                        }
                    }
                }
            });

            this.addStyles = function(id,styles) {
                $('#' + id).remove();
                $('head').append('<style type="text/css" id="'+id+'">'+styles+'</style>');
            };
            this.linkcb = function(id1,id2) {
                $('#'+id1).change(function(){
                    $('#'+id2).prop('checked', this.checked);
                });
                $('#'+id2).change(function(){
                    $('#'+id1).prop('checked', this.checked);
                });
            }
            this.renderDialog = function(id,dialog) {
                that.dialogId = id;
                $(dialog).appendTo('body');
                that.linkcb('AiraGdprCookiesBodyButtonsStatistics', 'AiraGdprCookiesBodyLevelButtonStatistics');
                that.linkcb('AiraGdprCookiesBodyButtonsMarketing', 'AiraGdprCookiesBodyLevelButtonMarketing');
                that.showDialog();
            };
            this.getWhiteList = function(name) {
                $('#' + that.dialogId + " ." + name).each(function() {
                    that.whitelist.push($(this).text());
                });
            }
            this.setConsent = function(consentObj, expiry) {
                that.whitelist = [];
                that.getWhiteList('CookieEssential');
                if(consentObj.consent.statistical){
                    that.getWhiteList('CookieStatistical');
                }
                if(consentObj.consent.marketing){
                    that.getWhiteList('CookieMarketing');
                }
                if(debug) console.log(that.whitelist);
                that.removeCookies();
                that.setCookie(cm.cookieName, JSON.stringify(consentObj), expiry);
                that.consentCookie = consentObj;
                if(consentObj.consentKey) {
                    that.enableCookies();
                }
            };
            this.decline = function() {
                $('#AiraGdprCookiesBodyLevelButtonStatistics').prop('checked', false);
                $('#AiraGdprCookiesBodyLevelButtonMarketing').prop('checked', false);
                that.saveConsent();
            };
            this.saveConsentAll = function () {
                var essential = true;
                var statistical = $('#AiraGdprCookiesBodyLevelButtonStatistics').prop('checked', true);
                var marketing = $('#AiraGdprCookiesBodyLevelButtonMarketing').prop('checked', true);
                // var statistical = $('#AiraGdprCookiesBodyLevelButtonStatistics').is(':checked');
                // var marketing = $('#AiraGdprCookiesBodyLevelButtonMarketing').is(':checked');
                $('#' + that.dialogId).hide();
                var url = "consent.js?";
                if (that.consentCookie != null) {
                    if (that.consentCookie.consent.essential === essential &&
                        that.consentCookie.consent.statistical === statistical &&
                        that.consentCookie.consent.marketing === marketing) {
                        return;
                    }
                    if (that.consentCookie.consentKey) { //withdraw
                        url += "consentWithdraw=" + that.consentCookie.consentKey + "&";
                    }
                }
                url += "essential=true&";
                url += "statistical=true&";
                url += "marketing=true&";
                url += "lang=" + lang;
                that.backendRequest(url);
                /* hides popup after accepting some cookies */
                var popupDiv = document.getElementById("warning-modal");
                if (popupDiv != null) popupDiv.style.display = "none";
            };
            this.saveOnlyEssential = function () {
                var url = "consent.js?";
                var url = "consent.js?";
                url += "essential=true&";
                url += "statistical=false&";
                url += "marketing=false&";
                url += "lang=" + lang;
                that.backendRequest(url);
                /* hides popup after accepting some cookies */
                var popupDiv = document.getElementById("warning-modal");
                if (popupDiv != null) popupDiv.style.display = "none";
            };
            this.saveConsent = function() {
                var essential = true;
                // var statistical = $('#AiraGdprCookiesBodyLevelButtonStatistics').is(':checked');
                // var marketing = $('#AiraGdprCookiesBodyLevelButtonMarketing').is(':checked');
                var statistical = $('#AiraGdprCookiesBodyLevelButtonStatistics').prop('checked');
                var marketing = $('#AiraGdprCookiesBodyLevelButtonMarketing').prop('checked');
                $('#' + that.dialogId).hide();
                var url = "consent.js?";
                if(that.consentCookie != null) {
                    if (that.consentCookie.consent.statistical === statistical && that.consentCookie.consent.marketing === marketing) {
                        var popupDiv = document.getElementById("warning-modal");
                        if (popupDiv != null) popupDiv.style.display = "none";
                    }
                    if(that.consentCookie.consent.essential === essential &&
                        that.consentCookie.consent.statistical === statistical &&
                        that.consentCookie.consent.marketing === marketing) {
                        return;
                    }
                    if(that.consentCookie.consentKey) { //withdraw
                        url += "consentWithdraw="+that.consentCookie.consentKey+"&";
                    }
                }
                url += "essential="+essential+"&";
                url += "statistical="+statistical+"&";
                url += "marketing="+marketing+"&";
                url += "lang="+lang;
                that.backendRequest(url);
                /* hides popup after accepting some cookies */
                var popupDiv = document.getElementById("warning-modal");
                if (popupDiv != null) popupDiv.style.display = "none";
            };
            this.formatDate = function(date) {
                function prepend0(i) {
                    if(i < 10)
                        i = '0' + i;
                    return i;
                }
                date = new Date(date);
                let year = date.getFullYear();
                let month = prepend0(date.getMonth()+1);
                let day = prepend0(date.getDate());
                return day + "." + month + "." + year;
            },
            this.getFormattedConsent = function() {
                if(that.consentCookie.consent.statistical && that.consentCookie.consent.marketing) {
                    return stringResources[lang].consentedAll;
                } else if(that.consentCookie.consent.statistical) {
                    return stringResources[lang].consentedStatistical;
                } else if(that.consentCookie.consent.marketing) {
                    return stringResources[lang].consentedMarketing;
                } else {
                    return stringResources[lang].consentedEssential;
                }
            };
            this.showDialog = function() {
                if(!that.dialogId){
                    that.backendRequest('dialog.js?referer=' + encodeURIComponent(window.location.hostname) + "&lang=" + lang);
                } else {
                    var popupDiv = document.getElementById("warning-modal");
                    var onlyEssentialButton = document.getElementById("only-essential");
                    if (debug) console.log(that.consentCookie);
                    if (that.consentCookie != null) {
                        $('#AiraGdprCookiesBodyLevelButtonStatistics').prop('checked', that.consentCookie.consent.statistical);
                        $('#AiraGdprCookiesBodyLevelButtonMarketing').prop('checked', that.consentCookie.consent.marketing);
                        $('#AiraGdprCookiesBodyButtonsStatistics').prop('checked', that.consentCookie.consent.statistical);
                        $('#AiraGdprCookiesBodyButtonsMarketing').prop('checked', that.consentCookie.consent.marketing);
                        $('#AiraGdprCookiesCurrentConsentDate').text(that.formatDate(that.consentCookie.consentDate));
                        $('#AiraGdprCookiesCurrentConsentOptions').text(that.getFormattedConsent());
                        $('#AiraGdprCookiesCurrentConsent').show();
                        if (onlyEssentialButton != null) onlyEssentialButton.style.display = "none";
                    } else {
                        $('#AiraGdprCookiesCurrentConsent').hide();
                    }
                    $('#' + that.dialogId).show();
                    if (popupDiv != null) popupDiv.style.display = "flex";
                }
            };
            this.toggleDetails = function() {
                $('#AiraGdprCookiesDetail').slideToggle(250, function () {
                    var button = $('#AiraGdprCookiesBodyButtonDetails');
                    const screenWidth = $(window).width();
                    if ($('#AiraGdprCookiesDetail').is(':visible')) {
                        button.html(stringResources[lang].toggleHide + ' &#9652;');
                        button.addClass('AiraGdprCookiesBodyLinkExpanded');
                        if (screenWidth <= 480) {
                            var acceptButton = document.getElementById("accept-button");
                            acceptButton.scrollIntoView({ behavior: "smooth" });
                        }
                    } else {
                        button.html(stringResources[lang].toggleShow + ' &#9662;');
                        button.removeClass('AiraGdprCookiesBodyLinkExpanded');
                    }
                });
            };
            this.toggleElements = function(arrElements,arrLinks,indexActive,activeClass,inactiveClass) {
                arrElements.forEach(function(e) { $(e).hide(); });
                arrLinks.forEach(function(e) { $(e).removeClass(activeClass); !inactiveClass || $(e).addClass(inactiveClass); })
                $(arrElements[indexActive]).show();
                $(arrLinks[indexActive]).addClass(activeClass);
                !inactiveClass || $(arrLinks[indexActive]).removeClass(inactiveClass);
            };
            this.showAbout = function() {
                that.toggleElements(topMenuElm,topMenuLinks,1,'AiraGdprCookiesDetailBodyContentTabsItemSelected');
            };
            this.showList = function() {
                that.toggleElements(topMenuElm,topMenuLinks,0,'AiraGdprCookiesDetailBodyContentTabsItemSelected');
            };
            this.showCategory = function(i) {
                that.toggleElements(cookieTypesElm,categoryLinks,i,'AiraGdprCookiesDetailBodyContentCookieContainerTypesSelected','AiraGdprCookiesDetailBodyContentCookieContainerTypes');
            };
            this.backendRequest = function(url) {
                $('head').append('<script type="text/javascript" src="' + backendBase + url + '"></script>');
            };
            this.setCookie = function(name, value, expiry) {
                var d = new Date();
                d.setTime(d.getTime() + expiry);
                var expires = "expires="+ d.toUTCString();
                document.cookie = name + "=" + value + ";path=/;" + expires + ";secure";
            };
            this.getCookie = function(name) {
                var values = document.cookie.match('(^|;)\\s*' + name + '\\s*=\\s*([^;]+)');
                return values ? values.pop() : '';
            };
            this.enableCookies = function() {
                if(that.consentCookie) {
                    $('script:not([defer])').each(function() { that.filterScript($(this)); });
                    $('script[defer]').each(function() { that.filterScript($(this)); });
                    $('iframe, img, audio, video, embed').each(function() { that.filterSource($(this)); });
                }
            };
            this.filterScript = function(element) {
                if(debug) console.log("filterSource %s / %s", element.attr("type"), element.data("cookiecategory"));
                if(element.attr("type") == "text/plain" && element.data("cookiecategory")) {
                    var types = element.data("cookiecategory").split(',');
                    for(var i = 0; i < types.length; ++i){
                        var type = types[i].trim();
                        if (type.startsWith('!')) {
                            var newType = type.substring(1);
                            if (that.consentCookie.consent[newType]) {
                                return;
                            }
                        }
                        if(!that.consentCookie.consent[type]) {
                            return;
                        }
                    }
                    if(debug) console.log("Enabling script...");
                    var clone = $('<script/>');
                    clone.text(element.text());
                    clone.attr('src', element.attr('src'));
                    clone.attr("type", "text/javascript");
                    var parent = element.parent();
                    var sibling = element.next();
                    element.remove();
                    if(sibling.length) {
                        clone.insertAfter(sibling);
                    } else {
                        clone.appendTo(parent);
                    }
                }
            };
            this.filterSource = function(element) {
                if(debug) console.log("filterSource " + JSON.stringify(element));
                if(element.data("src") && element.data("cookiecategory")) {
                    var types = element.data("cookiecategory").split(',');
                    for(var i = 0; i < types.length; ++i){
                        var type = types[i].trim();
                        if (type.startsWith('!')) {
                            var newType = type.substring(1);
                            if (that.consentCookie.consent[newType]) {
                                element.hide();
                                return;
                            }
                        }
                        if(!that.consentCookie.consent[type]) {
                            element.hide();
                            return;
                        }
                    }
                    if(debug) console.log("Enabling element...");
                    element.attr("src", element.data("src"));
                    element.show();
                }
            };
            this.removeCookies = function() {
                var pathSegment = window.location.pathname.split("/");
                var cookies = document.cookie.split(";");
                for (var cookieIndex = 0; cookieIndex < cookies.length; cookieIndex++) {
                    var cookie = cookies[cookieIndex];
                    var eqIndex = cookie.indexOf("=");
                    var cookieName = eqIndex >= 0 ? cookie.substr(0, eqIndex) : cookie;
                    cookieName = cookieName.trim();
                    var preserve = false;
                    for (var i = 0; i < that.whitelist.length; i++)
                        if (that.whitelist[i] === cookieName) {
                            preserve = true;
                            break;
                        }
                    if (!preserve) {
                        if(debug) console.log("Cookie %s not found in whitelist - will be deleted", cookieName);
                        var path = ";path=";
                        var expire = "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
                        var domain = ";domain=";
                        document.cookie = cookieName + expire;
                        for (var i = 0; i < pathSegment.length; i++) {
                           path += ("/" != path.substr(-1) ? "/" : "") + pathSegment[i];
                           document.cookie = cookieName + expire + path;
                           document.cookie = cookieName + expire + path + domain + escape(window.location.hostname);
                           document.cookie = cookieName + expire + path + domain + "." + escape(window.location.hostname);
                           document.cookie = cookieName + expire + path + domain + escape(getRootDomain(window.location.hostname));
                           document.cookie = cookieName + expire + path + domain + "." + escape(getRootDomain(window.location.hostname));
                       }
                    }
                    /*var localStorageSupported = true;
                    var test = "airalocalstoragetest";
                    try {
                        return localStorage.setItem(test, test);
                        localStorage.removeItem(test);
                    } catch (err) {
                        localStorageSupported = false;
                    }
                    if(localStorageSupported) {
                        localStorage.clear();
                        if(typeof sessionStorage !== "undefined") {
                            sessionStorage.clear();
                        }
                    }*/
                }

                function getRootDomain(hostname) {
                    var rootDomain = hostname;
                    if (hostname.length > 0) {
                        var hostnameSegments = rootDomain.split(".");
                        if(hostnameSegments.length > 1)
                            rootDomain = hostnameSegments.slice(-2).join(".");
                    }
                    return rootDomain;
                }
            };
        }

        var cm = window.AiraGdprCookies = new _cookies();

        $('#AiraGdprCookiesOpenDialogLink').click(function(){
            cm.showDialog();
        });
        var consentCookie = cm.getCookie(cm.cookieName);
        if(consentCookie) {
            cm.consentCookie = JSON.parse(consentCookie);
            if(cm.consentCookie.consentKey) {
                cm.enableCookies();
            }
        } else {
            cm.showDialog();
        }
    }

})();