/*!
 * Argon 主题辅助 JavaScript 文件
 * 包含 jQuery 插件注册
 * 版本: 3.3.3
 */

// 等待 jQuery 加载后注册插件
(function() {
    'use strict';
    
    function initPlugins() {
        if (typeof jQuery === 'undefined') {
            setTimeout(initPlugins, 10);
            return;
        }
        
        var $ = jQuery;
        
        // 注册 headIndex 插件（目录生成）
        if (typeof $.fn.headIndex === 'undefined') {
            $.fn.headIndex = function(options) {
                var defaults = {
                    articleWrapSelector: '#post_content',
                    indexBoxSelector: '#leftbar_catalog',
                    subItemBoxClass: 'index-subItem-box',
                    scrollOffset: 80,
                    activeClass: 'active'
                };
                
                var settings = $.extend({}, defaults, options);
                var $articleWrap = $(settings.articleWrapSelector);
                var $indexBox = $(settings.indexBoxSelector);
                
                if (!$articleWrap.length || !$indexBox.length) {
                    return this;
                }
                
                var $headings = $articleWrap.find('h1, h2, h3, h4, h5, h6');
                
                if ($headings.length === 0) {
                    $indexBox.html('<div class="no-catalog">暂无目录</div>');
                    return this;
                }
                
                // 生成目录 HTML
                var catalogHtml = '<ul class="catalog-list">';
                var minLevel = 6;
                
                $headings.each(function() {
                    var level = parseInt(this.tagName.substring(1));
                    if (level < minLevel) minLevel = level;
                });
                
                $headings.each(function(index) {
                    var $heading = $(this);
                    var level = parseInt(this.tagName.substring(1));
                    var text = $heading.text().trim();
                    var id = $heading.attr('id') || 'heading-' + index;
                    
                    if (!$heading.attr('id')) {
                        $heading.attr('id', id);
                    }
                    
                    var indent = (level - minLevel) * 15;
                    catalogHtml += '<li style="padding-left: ' + indent + 'px;">' +
                        '<a href="#' + id + '" class="catalog-link" data-target="' + id + '">' + 
                        text + '</a></li>';
                });
                
                catalogHtml += '</ul>';
                $indexBox.html(catalogHtml);
                
                // 点击事件
                $indexBox.off('click.headIndex').on('click.headIndex', '.catalog-link', function(e) {
                    e.preventDefault();
                    var targetId = $(this).data('target');
                    var $target = $('#' + targetId);
                    
                    if ($target.length) {
                        $('html, body').animate({
                            scrollTop: $target.offset().top - settings.scrollOffset
                        }, 500);
                        
                        $indexBox.find('.catalog-link').removeClass(settings.activeClass);
                        $(this).addClass(settings.activeClass);
                    }
                });
                
                // 滚动高亮
                var throttleTimer = null;
                $(window).off('scroll.headIndex').on('scroll.headIndex', function() {
                    if (throttleTimer) clearTimeout(throttleTimer);
                    
                    throttleTimer = setTimeout(function() {
                        var scrollTop = $(window).scrollTop();
                        var currentHeading = null;
                        
                        $headings.each(function() {
                            var headingTop = $(this).offset().top - settings.scrollOffset - 50;
                            if (scrollTop >= headingTop) {
                                currentHeading = $(this).attr('id');
                            }
                        });
                        
                        if (currentHeading) {
                            $indexBox.find('.catalog-link').removeClass(settings.activeClass);
                            $indexBox.find('.catalog-link[data-target="' + currentHeading + '"]')
                                .addClass(settings.activeClass);
                        }
                    }, 100);
                });
                
                return this;
            };
        }
        
        // 注册简化版 tooltip 插件
        if (typeof $.fn.tooltip === 'undefined') {
            $.fn.tooltip = function(option) {
                return this.each(function() {
                    var $el = $(this);
                    var title = $el.attr('title') || $el.attr('tooltip') || $el.data('original-title');
                    
                    if (!title || $el.data('tooltip-bindings')) return;
                    
                    $el.data('tooltip-bindings', true);
                    $el.attr('data-original-title', title).removeAttr('title');
                    
                    $el.on('mouseenter.simpleTooltip', function() {
                        var $tip = $('<div class="simple-tooltip">' + title + '</div>');
                        $('body').append($tip);
                        
                        var offset = $el.offset();
                        var tipWidth = $tip.outerWidth();
                        var tipHeight = $tip.outerHeight();
                        
                        $tip.css({
                            position: 'absolute',
                            top: offset.top - tipHeight - 8,
                            left: offset.left + ($el.outerWidth() - tipWidth) / 2,
                            zIndex: 10000
                        });
                        
                        $el.data('tooltip-el', $tip);
                    });
                    
                    $el.on('mouseleave.simpleTooltip', function() {
                        var $tip = $el.data('tooltip-el');
                        if ($tip) $tip.remove();
                    });
                });
            };
            $.fn.tooltip.Constructor = function() {};
        }
    }
    
    // 立即执行
    initPlugins();
})();

// 添加样式
(function() {
    var styles = document.createElement('style');
    styles.textContent = [
        '.simple-tooltip {',
        '    background: rgba(0,0,0,0.85);',
        '    color: #fff;',
        '    padding: 5px 10px;',
        '    border-radius: 4px;',
        '    font-size: 12px;',
        '    white-space: nowrap;',
        '    box-shadow: 0 2px 8px rgba(0,0,0,0.15);',
        '    animation: tooltipFadeIn 0.2s ease;',
        '}',
        '@keyframes tooltipFadeIn {',
        '    from { opacity: 0; transform: translateY(5px); }',
        '    to { opacity: 1; transform: translateY(0); }',
        '}',
        '.catalog-list {',
        '    list-style: none;',
        '    padding: 0;',
        '    margin: 0;',
        '}',
        '.catalog-list li {',
        '    margin: 5px 0;',
        '}',
        '.catalog-link {',
        '    display: block;',
        '    padding: 5px 10px;',
        '    color: #666;',
        '    text-decoration: none;',
        '    border-radius: 4px;',
        '    transition: all 0.2s ease;',
        '    font-size: 14px;',
        '    line-height: 1.4;',
        '    overflow: hidden;',
        '    text-overflow: ellipsis;',
        '    white-space: nowrap;',
        '}',
        '.catalog-link:hover {',
        '    background: rgba(94,114,228,0.1);',
        '    color: #5e72e4;',
        '    text-decoration: none;',
        '}',
        '.catalog-link.active {',
        '    background: var(--themecolor, #5e72e4);',
        '    color: #fff;',
        '}',
        '.no-catalog {',
        '    padding: 20px;',
        '    text-align: center;',
        '    color: #999;',
        '    font-size: 14px;',
        '}'
    ].join('\n');
    
    if (document.head) {
        document.head.appendChild(styles);
    } else {
        document.addEventListener('DOMContentLoaded', function() {
            document.head.appendChild(styles);
        });
    }
})();