(function () {	
    if (window.__livechatWidgetLoaded) {
        return;
    }
    window.__livechatWidgetLoaded = true;

    var config = {"color":"#1e9fff","leftorright":"right","bottom":"100px","target":"3","auto_popup":"1","livechaturl":"\/livechat\/"};
    if (!config.livechaturl) {
        return;
    }

    function normalizeSide(value) {
        value = String(value || '').toLowerCase();
        return value.indexOf('left') !== -1 ? 'left' : 'right';
    }

    function normalizeBottom(value) {
        value = String(value || '').replace(/^\s+|\s+$/g, '');
        if (!value) {
            return '30px';
        }
        if (/^\d+$/.test(value)) {
            return value + 'px';
        }
        if (/^\d+(\.\d+)?(px|%)$/.test(value)) {
            return value;
        }
        return '30px';
    }

    function normalizeTarget(value) {
        value = parseInt(value, 10);
        if (value !== 1 && value !== 2 && value !== 3) {
            return 3;
        }
        return value;
    }

    var side = normalizeSide(config.leftorright);
    var bottom = normalizeBottom(config.bottom);
    var target = normalizeTarget(config.target);
    var autoPopup = parseInt(config.auto_popup, 10) === 1;
    var color = config.color || '#1677ff';
    var widgetId = 'livechat-widget-root';
    var panelId = 'livechat-widget-panel';
    var buttonId = 'livechat-widget-button';
    var styleId = 'livechat-widget-style';
    var popupKey = 'livechat_widget_auto_popup_shown';

    function addStyle() {
        if (document.getElementById(styleId)) {
            return;
        }
        var sideOffset = side === 'left' ? 'left: 30px;' : 'right: 30px;';
        var panelOffset = side === 'left' ? 'left: 30px;' : 'right: 30px;';
        var style = document.createElement('style');
        style.id = styleId;
        style.type = 'text/css';
        style.appendChild(document.createTextNode(
            ''
            + '#' + widgetId + '{position:fixed;' + sideOffset + 'bottom:' + bottom + ';z-index:999999;display:flex;flex-direction:column;align-items:' + (side === 'left' ? 'flex-start' : 'flex-end') + ';}'
            + '@keyframes livechat-breathe{0%,100%{transform:scale(1);opacity:0.7}50%{transform:scale(1.15);opacity:1}}'
            + '#' + buttonId + '{width:56px;height:56px;border-radius:50%;background:' + color + ';box-shadow:0 10px 30px rgba(0,0,0,.18);cursor:pointer;display:flex;align-items:center;justify-content:center;border:none;padding:0;outline:none;transition:all .2s ease;flex-shrink:0;}'
            + '#' + buttonId + ':hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.24);}'
            + '#' + buttonId + ':hover svg{animation-play-state:paused;}'
            + '#' + buttonId + ' svg{width:28px;height:28px;fill:#fff;display:block;animation:livechat-breathe 1.6s ease-in-out infinite;}'
            + '#' + panelId + '{position:fixed;' + panelOffset + 'bottom:calc(' + bottom + ' + 72px);width:min(380px,calc(100vw - 32px));height:min(620px,70vh);background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.22);overflow:hidden;z-index:999999;display:none;opacity:0;transform:scale(0.8) translateY(10px);transform-origin:' + (side === 'left' ? 'left' : 'right') + ' bottom;transition:opacity .25s ease,transform .25s ease;}'
            + '#' + panelId + '.is-open{display:block;opacity:1;transform:scale(1) translateY(0);}'
            + '#' + panelId + ' iframe{width:100%;height:100%;border:none;background:#fff;display:block;}'
            + '@media (max-width: 640px){'
            + '#' + widgetId + '{' + side + ':28px;bottom:' + bottom + ';}'
            + '#' + panelId + '{left:12px !important;right:12px !important;bottom:84px;width:auto;height:72vh;border-radius:14px;}'
            + '}'
        ));
        document.head.appendChild(style);
    }

    function openNewWindow() {
        window.open(config.livechaturl, 'livechat_window', 'noopener');
    }

    function getPanel() {
        return document.getElementById(panelId);
    }

    function closePanel() {
        var panel = getPanel();
        if (panel) {
            panel.className = panel.className.replace(/\s*is-open\s*/g, ' ');
            setTimeout(function() {
                if (panel.parentNode) {
                    panel.parentNode.removeChild(panel);
                }
            }, 300);
        }
    }

    function handleMessage(event) {
        var data = event && event.data;
        if (!data || data.type !== 'livechat_widget_close') {
            return;
        }
        closePanel();
    }

    function openPanel() {
        var panel = getPanel();
        if (!panel) {
            panel = document.createElement('div');
            panel.id = panelId;
            panel.innerHTML = '<iframe src="' + config.livechaturl + '" loading="lazy" referrerpolicy="no-referrer-when-downgrade" title="livecha"></iframe>';
            document.body.appendChild(panel);
            panel.offsetHeight;
        }

        var btn = document.getElementById(buttonId);
        if (btn) {
            var btnRect = btn.getBoundingClientRect();
            var btnCenterY = btnRect.top + btnRect.height / 2;
            if (btnCenterY < window.innerHeight / 2) {
                panel.style.bottom = 'auto';
                panel.style.top = (btnRect.bottom + 16) + 'px';
                panel.style.height = Math.min(620, window.innerHeight - btnRect.bottom - 32) + 'px';
                panel.style.maxHeight = Math.min(620, window.innerHeight - btnRect.bottom - 32) + 'px';
            } else {
                panel.style.top = 'auto';
                panel.style.bottom = '';
                panel.style.height = '';
                panel.style.maxHeight = '';
            }
        }

        if (panel.className.indexOf('is-open') === -1) {
            panel.className = (panel.className ? panel.className + ' ' : '') + 'is-open';
        }
    }

    function togglePanel() {
        var panel = getPanel();
        if (panel && panel.className.indexOf('is-open') !== -1) {
            closePanel();
            return;
        }
        openPanel();
    }

    function handleOpen() {
        if (target === 2) {
            openNewWindow();
            return;
        }
        if (target === 3 && window.innerWidth < 1000) {
            openNewWindow();
            return;
        }
        togglePanel();
    }

    function createWidget() {
        if (!document.body || document.getElementById(widgetId)) {
            return;
        }

        addStyle();
        window.livechatWidgetClose = closePanel;
        if (!window.__livechatWidgetMessageBound) {
            window.__livechatWidgetMessageBound = true;
            window.addEventListener('message', handleMessage, false);
        }

        var root = document.createElement('div');
        root.id = widgetId;

        var button = document.createElement('button');
        button.id = buttonId;
        button.type = 'button';
        button.setAttribute('aria-label', 'Open live chat');
        button.innerHTML =
            '<svg viewBox="0 0 24 24" aria-hidden="true">'
            + '<path d="M12 3C6.48 3 2 6.94 2 11.8c0 2.67 1.37 5.05 3.54 6.65L4.5 22l4.11-2.25c1.07.3 2.21.45 3.39.45 5.52 0 10-3.94 10-8.8S17.52 3 12 3zm-4 7.8a1.2 1.2 0 1 1 0 2.4 1.2 1.2 0 0 1 0-2.4zm4 0a1.2 1.2 0 1 1 0 2.4 1.2 1.2 0 0 1 0-2.4zm4 0a1.2 1.2 0 1 1 0 2.4 1.2 1.2 0 0 1 0-2.4z"></path>'
            + '</svg>';
        button.onclick = handleOpen;

        root.appendChild(button);
        document.body.appendChild(root);

        if (autoPopup) {
            var alreadyShown = sessionStorage.getItem(popupKey);
            if (!alreadyShown) {
                setTimeout(function() {
                    if (!sessionStorage.getItem(popupKey)) {
                        sessionStorage.setItem(popupKey, '1');
                        if (target === 2) {
                            openNewWindow();
                        } else if (target === 3 && window.innerWidth < 1000) {
                            openNewWindow();
                        } else {
                            openPanel();
                        }
                    }
                }, 1500);
            }
        }
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', createWidget);
    } else {
        createWidget();
    }
})();