(function (window, $) {
    'use strict';

    var STORAGE_KEY = 'cookiesPreferences';
    var LEGACY_ACCEPT = 'cookiesAccepted';
    var LEGACY_REJECT = 'cookiesRejected';

    function setCookie(name, value, days) {
        var expires = '';

        if (typeof days === 'number') {
            var date = new Date();
            date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
            expires = ';expires=' + date.toUTCString();
        }

        document.cookie = name + '=' + encodeURIComponent(value) + expires + ';path=/;SameSite=Lax';
    }

    function deleteCookie(name) {
        document.cookie = name + '=;expires=Thu, 01 Jan 1970 00:00:00 UTC;path=/;SameSite=Lax';
    }

    function getCookie(name) {
        var prefix = name + '=';
        var parts = decodeURIComponent(document.cookie).split(';');

        for (var i = 0; i < parts.length; i++) {
            var part = parts[i];

            while (part.charAt(0) === ' ') {
                part = part.substring(1);
            }

            if (part.indexOf(prefix) === 0) {
                return part.substring(prefix.length);
            }
        }

        return '';
    }

    function readPreferences() {
        var raw = getCookie(STORAGE_KEY);

        if (raw) {
            try {
                var parsed = JSON.parse(raw);

                if (parsed && typeof parsed === 'object') {
                    return {
                        analytics: !!parsed.analytics,
                        marketing: !!parsed.marketing,
                        set: true
                    };
                }
            } catch (e) {
            }
        }

        if (getCookie(LEGACY_ACCEPT) === 'true') {
            return { analytics: true, marketing: true, set: true };
        }

        if (getCookie(LEGACY_REJECT) === 'true') {
            return { analytics: false, marketing: false, set: true };
        }

        return { analytics: false, marketing: false, set: false };
    }

    function writePreferences(prefs, reload) {
        deleteCookie(LEGACY_ACCEPT);
        deleteCookie(LEGACY_REJECT);
        setCookie(STORAGE_KEY, JSON.stringify({
            analytics: prefs.analytics ? 1 : 0,
            marketing: prefs.marketing ? 1 : 0,
            v: 1
        }), 365);

        if (reload !== false) {
            window.location.reload();
        }
    }

    function syncPanel(prefs) {
        $('#cookiePrefAnalytics').prop('checked', !!prefs.analytics);
        $('#cookiePrefMarketing').prop('checked', !!prefs.marketing);
    }

    function openBanner() {
        $('#cookieConsent').stop(true, true).fadeIn(200);
    }

    function closeBanner() {
        $('#cookieConsent').stop(true, true).fadeOut(200);
        $('#cookiePreferencesPanel').addClass('d-none');
    }

    window.ms1CookieConsent = {
        getPreferences: readPreferences,
        openManager: function () {
            syncPanel(readPreferences());
            $('#cookiePreferencesPanel').removeClass('d-none');
            openBanner();
        }
    };

    $(function () {
        var prefs = readPreferences();

        syncPanel(prefs);

        if (!prefs.set) {
            openBanner();
        }

        $('#acceptCookies').on('click', function () {
            writePreferences({ analytics: true, marketing: true });
        });

        $('#rejectCookies').on('click', function () {
            writePreferences({ analytics: false, marketing: false });
        });

        $('#customizeCookies').on('click', function () {
            $('#cookiePreferencesPanel').removeClass('d-none');
        });

        $('#saveCookiePreferences').on('click', function () {
            writePreferences({
                analytics: $('#cookiePrefAnalytics').is(':checked'),
                marketing: $('#cookiePrefMarketing').is(':checked')
            });
        });

        $('[data-cookie-manage]').on('click', function (event) {
            event.preventDefault();
            window.ms1CookieConsent.openManager();
        });
    });
}(window, jQuery));