/**
 * Ultimate Liquid Tooltip System (TXA Tooltip V2)
 * High performance, mouse-following, glassmorphism design
 * Supports data-txa-tooltip, data-txatooltip, and .txatooltip class
 */

(function () {
    'use strict';

    if (window.isTxaTooltipInit) return;
    window.isTxaTooltipInit = true;

    const tooltip = document.getElementById('txa-tooltip') || document.createElement('div');
    if (!tooltip.id) {
        tooltip.id = 'txa-tooltip';
        tooltip.style.cssText = `
            position: fixed;
            pointer-events: none;
            z-index: 2147483647;
            padding: 12px 18px;
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 20px rgba(99, 102, 241, 0.2);
            opacity: 0;
            transform: scale(0.95) translateY(10px);
            transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            white-space: normal;
            max-width: 320px;
            line-height: 1.6;
            text-align: left;
            word-break: break-word;
            font-family: 'Outfit', sans-serif;
        `;
    }

    function initTooltip() {
        if (!document.body) {
            window.addEventListener('DOMContentLoaded', initTooltip);
            return;
        }
        if (!document.getElementById('txa-tooltip')) {
            document.body.appendChild(tooltip);
        }
    }

    window.initTxaTooltips = initTooltip;
    initTooltip();
    document.addEventListener('astro:page-load', initTooltip);

    let currentTarget = null;
    let hideTimeout = null;
    let isMouseOnTooltip = false;

    tooltip.addEventListener('mouseenter', () => {
        isMouseOnTooltip = true;
        clearTimeout(hideTimeout);
    });

    tooltip.addEventListener('mouseleave', () => {
        isMouseOnTooltip = false;
        if (!currentTarget) hideTooltip();
    });

    function showTooltip(text, target, e = null) {
        if (!text) return;
        clearTimeout(hideTimeout);
        
        const link = target.getAttribute('data-tooltip-link');
        const linkTitle = target.getAttribute('data-tooltip-link-title') || 'Xem chi tiết';
        
        let content = `<div class="txa-tooltip-content">${text}</div>`;
        if (link) {
            content += `
                <div class="txa-tooltip-action" style="margin-top: 12px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 10px;">
                    <a href="${link}" class="txa-tooltip-btn" style="display: block; width: 100%; padding: 8px 12px; background: linear-gradient(90deg, #6366f1, #a855f7); color: #fff; border-radius: 8px; text-align: center; font-weight: 700; font-size: 12px; transition: all 0.2s; text-decoration: none;">
                        <i class="fas fa-external-link-alt me-1"></i> ${linkTitle}
                    </a>
                </div>
            `;
            tooltip.style.pointerEvents = 'auto';
        } else {
            tooltip.style.pointerEvents = 'none';
        }

        tooltip.innerHTML = content;
        
        // Dynamic alignment
        tooltip.style.textAlign = text.length > 40 ? 'left' : 'center';
        
        tooltip.style.opacity = '1';
        tooltip.style.transform = 'scale(1) translateY(0)';
        currentTarget = target;

        if (e) {
            updatePosition(e);
        }
    }

    function hideTooltip() {
        if (isMouseOnTooltip) return;
        
        hideTimeout = setTimeout(() => {
            if (isMouseOnTooltip) return;
            tooltip.style.opacity = '0';
            tooltip.style.transform = 'scale(0.95) translateY(10px)';
            currentTarget = null;
        }, 100);
    }

    function updatePosition(e) {
        if (tooltip.style.opacity === '0' || isMouseOnTooltip) return;

        const offset = 20;
        const rect = tooltip.getBoundingClientRect();

        let x = e.clientX - (rect.width / 2);
        let y = e.clientY - rect.height - offset;

        const padding = 15;

        if (x < padding) x = padding;
        if (x + rect.width + padding > window.innerWidth) {
            x = window.innerWidth - rect.width - padding;
        }

        if (y < padding) {
            y = e.clientY + offset;
        }

        tooltip.style.left = x + 'px';
        tooltip.style.top = y + 'px';
    }

    document.addEventListener('mouseover', (e) => {
        const target = e.target.closest('[data-txa-tooltip], [data-txatooltip], .txatooltip, .txaxtooltip');
        if (target) {
            // Logic for sidebar menu items (collapsed state)
            if (target.classList.contains('menu-item') || target.classList.contains('sidebar-link')) {
                const isSidebarCollapsed = document.body.classList.contains('sidebar-collapsed');
                if (!isSidebarCollapsed && window.innerWidth > 992) return;
            }

            const tooltipText = target.getAttribute('data-txa-tooltip') || target.getAttribute('data-txatooltip') || target.title;
            if (tooltipText) {
                // Remove title to prevent browser default tooltip
                if (target.title) {
                    target.setAttribute('data-original-title', target.title);
                    target.title = '';
                }
                showTooltip(tooltipText, target, e);
            }
        }
    });

    document.addEventListener('mouseout', (e) => {
        const target = e.target.closest('[data-txa-tooltip], [data-txatooltip], .txatooltip, .txaxtooltip');
        if (target) {
            // Restore title if needed
            const originalTitle = target.getAttribute('data-original-title');
            if (originalTitle) {
                target.title = originalTitle;
                target.removeAttribute('data-original-title');
            }
            hideTooltip();
        }
    });

    document.addEventListener('mousemove', (e) => {
        if (currentTarget) updatePosition(e);
    });

    document.addEventListener('click', (e) => {
        if (!tooltip.contains(e.target)) hideTooltip();
    });

    // Fullscreen support
    function handleFullscreenChange() {
        const fsElem = document.fullscreenElement || document.webkitFullscreenElement;
        if (fsElem) {
            fsElem.appendChild(tooltip);
            tooltip.style.zIndex = '2147483647';
        } else {
            if (document.body && !document.body.contains(tooltip)) {
                document.body.appendChild(tooltip);
            }
        }
    }

    document.addEventListener('fullscreenchange', handleFullscreenChange);
    document.addEventListener('webkitfullscreenchange', handleFullscreenChange);

})();