// 古诗词智能查询与解析器 - 主JavaScript文件

document.addEventListener('DOMContentLoaded', function() {
    // 初始化应用
    initApp();
    
    // 加载示例诗词数据
    loadSamplePoetryData();
    
    // 设置事件监听器
    setupEventListeners();
});

// 应用初始化
function initApp() {
    console.log('古诗词智能解析器应用已启动');
    
    // 设置当前年份
    document.querySelector('.footer-bottom p').innerHTML = 
        `© ${new Date().getFullYear()} 古诗词智能解析器 | 基于H5技术开发 | PWA支持`;
    
    // 初始化导航栏
    initNavigation();
    
    // 初始化模态框
    initModal();
    
    // 检查PWA支持
    checkPWASupport();
}

// 初始化导航栏
function initNavigation() {
    const menuToggle = document.getElementById('menuToggle');
    const navLinks = document.querySelector('.nav-links');
    
    if (menuToggle) {
        menuToggle.addEventListener('click', function() {
            navLinks.classList.toggle('active');
        });
    }
    
    // 平滑滚动到锚点
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function(e) {
            e.preventDefault();
            
            const targetId = this.getAttribute('href');
            if (targetId === '#') return;
            
            const targetElement = document.querySelector(targetId);
            if (targetElement) {
                // 关闭移动端菜单
                navLinks.classList.remove('active');
                
                // 平滑滚动
                window.scrollTo({
                    top: targetElement.offsetTop - 80,
                    behavior: 'smooth'
                });
                
                // 更新活动链接
                document.querySelectorAll('.nav-links a').forEach(link => {
                    link.classList.remove('active');
                });
                this.classList.add('active');
            }
        });
    });
}

// 初始化模态框
function initModal() {
    const modal = document.getElementById('poetryDetailModal');
    const closeModalBtn = document.querySelector('.close-modal');
    
    if (closeModalBtn) {
        closeModalBtn.addEventListener('click', function() {
            modal.classList.remove('active');
        });
    }
    
    // 点击模态框外部关闭
    modal.addEventListener('click', function(e) {
        if (e.target === modal) {
            modal.classList.remove('active');
        }
    });
    
    // ESC键关闭模态框
    document.addEventListener('keydown', function(e) {
        if (e.key === 'Escape' && modal.classList.contains('active')) {
            modal.classList.remove('active');
        }
    });
}

// 检查PWA支持
function checkPWASupport() {
    if ('serviceWorker' in navigator) {
        console.log('支持Service Worker，PWA功能可用');
        
        // 注册Service Worker
        navigator.serviceWorker.register('/static/js/service-worker.js')
            .then(registration => {
                console.log('Service Worker 注册成功:', registration);
            })
            .catch(error => {
                console.log('Service Worker 注册失败:', error);
            });
    }
}

// 加载示例诗词数据
function loadSamplePoetryData() {
    const samplePoetry = [
        {
            id: 1,
            title: "静夜思",
            author: "李白",
            dynasty: "唐",
            content: "床前明月光，疑是地上霜。\n举头望明月，低头思故乡。",
            type: "抒情",
            wordCount: "五言",
            tags: ["思乡", "月亮", "夜晚"],
            popularity: 95
        },
        {
            id: 2,
            title: "春晓",
            author: "孟浩然",
            dynasty: "唐",
            content: "春眠不觉晓，处处闻啼鸟。\n夜来风雨声，花落知多少。",
            type: "山水",
            wordCount: "五言",
            tags: ["春天", "自然", "风景"],
            popularity: 88
        },
        {
            id: 3,
            title: "水调歌头·明月几时有",
            author: "苏轼",
            dynasty: "宋",
            content: "明月几时有？把酒问青天。\n不知天上宫阙，今夕是何年。\n我欲乘风归去，又恐琼楼玉宇，高处不胜寒。\n起舞弄清影，何似在人间。",
            type: "抒情",
            wordCount: "词",
            tags: ["中秋", "月亮", "思念"],
            popularity: 92
        },
        {
            id: 4,
            title: "登鹳雀楼",
            author: "王之涣",
            dynasty: "唐",
            content: "白日依山尽，黄河入海流。\n欲穷千里目，更上一层楼。",
            type: "哲理",
            wordCount: "五言",
            tags: ["登高", "哲理", "壮丽"],
            popularity: 85
        },
        {
            id: 5,
            title: "望庐山瀑布",
            author: "李白",
            dynasty: "唐",
            content: "日照香炉生紫烟，遥看瀑布挂前川。\n飞流直下三千尺，疑是银河落九天。",
            type: "山水",
            wordCount: "七言",
            tags: ["瀑布", "自然", "壮丽"],
            popularity: 90
        },
        {
            id: 6,
            title: "江雪",
            author: "柳宗元",
            dynasty: "唐",
            content: "千山鸟飞绝，万径人踪灭。\n孤舟蓑笠翁，独钓寒江雪。",
            type: "山水",
            wordCount: "五言",
            tags: ["冬天", "孤独", "自然"],
            popularity: 87
        }
    ];
    
    // 渲染诗词卡片
    renderPoetryCards(samplePoetry);
}

// 渲染诗词卡片
function renderPoetryCards(poetryList) {
    const poetryGrid = document.getElementById('poetryGrid');
    if (!poetryGrid) return;
    
    poetryGrid.innerHTML = '';
    
    poetryList.forEach(poetry => {
        const card = createPoetryCard(poetry);
        poetryGrid.appendChild(card);
    });
    
    // 隐藏加载指示器
    const loadingIndicator = document.getElementById('loadingIndicator');
    if (loadingIndicator) {
        loadingIndicator.style.display = 'none';
    }
}

// 创建诗词卡片
function createPoetryCard(poetry) {
    const card = document.createElement('div');
    card.className = 'poetry-card fade-in';
    card.dataset.id = poetry.id;
    
    card.innerHTML = `
        <div class="poetry-card-header">
            <h3>${poetry.title}</h3>
            <div class="meta">
                <span>${poetry.author}</span>
                <span>${poetry.dynasty}</span>
            </div>
        </div>
        <div class="poetry-card-body">
            <div class="poetry-content">${poetry.content.replace(/\n/g, '<br>')}</div>
            <div class="poetry-tags">
                ${poetry.tags.map(tag => `<span class="tag">${tag}</span>`).join('')}
            </div>
        </div>
    `;
    
    // 添加点击事件
    card.addEventListener('click', function() {
        showPoetryDetail(poetry);
    });
    
    return card;
}

// 显示诗词详情
function showPoetryDetail(poetry) {
    const modal = document.getElementById('poetryDetailModal');
    const modalTitle = document.getElementById('modalTitle');
    const modalBody = document.getElementById('modalBody');
    
    if (!modal || !modalTitle || !modalBody) return;
    
    modalTitle.textContent = poetry.title;
    
    modalBody.innerHTML = `
        <div class="poetry-detail">
            <div class="detail-header">
                <h4>${poetry.title}</h4>
                <div class="detail-meta">
                    <span><i class="fas fa-user"></i> ${poetry.author}</span>
                    <span><i class="fas fa-landmark"></i> ${poetry.dynasty}</span>
                    <span><i class="fas fa-tag"></i> ${poetry.type}</span>
                    <span><i class="fas fa-text-height"></i> ${poetry.wordCount}</span>
                </div>
            </div>
            <div class="detail-content">
                <h5>原文：</h5>
                <pre>${poetry.content}</pre>
                <h5>现代汉语翻译：</h5>
                <p>${getTranslation(poetry)}</p>
                <h5>简要赏析：</h5>
                <p>${getBriefAnalysis(poetry)}</p>
            </div>
            <div class="detail-tags">
                <h5>标签：</h5>
                <div class="tags">
                    ${poetry.tags.map(tag => `<span class="tag">${tag}</span>`).join('')}
                </div>
            </div>
        </div>
    `;
    
    // 更新按钮事件
    const favoriteBtn = document.getElementById('favoriteBtn');
    const analyzeBtn = document.getElementById('analyzeBtn');
    const shareBtn = document.getElementById('shareBtn');
    
    if (favoriteBtn) {
        favoriteBtn.onclick = function() {
            toggleFavorite(poetry.id);
        };
    }
    
    if (analyzeBtn) {
        analyzeBtn.onclick = function() {
            startAIAnalysis(poetry);
        };
    }
    
    if (shareBtn) {
        shareBtn.onclick = function() {
            sharePoetry(poetry);
        };
    }
    
    // 显示模态框
    modal.classList.add('active');
}

// 获取翻译（示例）
function getTranslation(poetry) {
    const translations = {
        1: "明亮的月光洒在床前，好像地上泛起了一层白霜。\n我抬起头来，看那窗外天空中的明月，不由得低头沉思，想起远方的家乡。",
        2: "春日里贪睡不知不觉天已破晓，搅乱我酣眠的是那啁啾的小鸟。\n昨天夜里风声雨声一直不断，那娇美的春花不知被吹落了多少？",
        3: "明月从什么时候才开始出现的？我端起酒杯遥问苍天。\n不知道在天上的宫殿，今天晚上是何年何月。\n我想要乘御清风回到天上，又恐怕在美玉砌成的楼宇，受不住高耸九天的寒冷。\n翩翩起舞玩赏着月下清影，哪像是在人间。",
        4: "夕阳依傍着西山慢慢地沉没，滔滔黄河朝着东海汹涌奔流。\n若想把千里的风光景物看够，那就要登上更高的一层城楼。",
        5: "香炉峰在阳光的照射下生起紫色烟霞，从远处看去瀑布好似白色绢绸悬挂山前。\n高崖上飞腾直落的瀑布好像有几千尺，让人怀疑是银河从天上泻落到人间。",
        6: "所有的山上，飞鸟的身影已经绝迹，所有道路都不见人的踪迹。\n江面孤舟上，一位披戴着蓑笠的老翁，独自在漫天风雪中垂钓。"
    };
    
    return translations[poetry.id] || "翻译加载中...";
}

// 获取简要赏析（示例）
function getBriefAnalysis(poetry) {
    const analyses = {
        1: "这首诗写的是在寂静的月夜思念家乡的感受。诗的前两句，是写诗人在作客他乡的特定环境中一刹那间所产生的错觉。后两句通过动作神态的刻画，深化思乡之情。",
        2: "这首诗是唐代诗人孟浩然隐居鹿门山时所作。诗人抓住春天的早晨刚刚醒来时的一瞬间展开联想，描绘了一幅春天早晨绚丽的图景，抒发了诗人热爱春天、珍惜春光的美好心情。",
        3: "此词是中秋望月怀人之作，表达了对胞弟苏辙的无限怀念。词人运用形象描绘手法，勾勒出一种皓月当空、亲人千里、孤高旷远的境界氛围，反衬自己遗世独立的意绪和往昔的神话传说融合一处，在月的阴晴圆缺当中，渗进浓厚的哲学意味。",
        4: "这首诗写诗人在登高望远中表现出来的不凡的胸襟抱负，反映了盛唐时期人们积极向上的进取精神。前两句写所见，后两句写所感，把哲理与景物、情势溶化得天衣无缝。",
        5: "这首诗形象地描绘了庐山瀑布雄奇壮丽的景色，反映了诗人对祖国大好河山的无限热爱。诗人用夸张的比喻和浪漫的想象，把瀑布的气势写得出神入化，给人以美的享受。",
        6: "这首诗描绘了一幅江乡雪景图。山山是雪，路路皆白。飞鸟绝迹，人踪湮没。遐景苍茫，迩景孤冷。意境幽僻，情调凄寂。渔翁形象，精雕细琢，清晰明朗，完整突出。"
    };
    
    return analyses[poetry.id] || "赏析加载中...";
}

// 设置事件监听器
function setupEventListeners() {
    // 快速搜索按钮
    const quickSearchBtn = document.getElementById('quickSearchBtn');
    if (quickSearchBtn) {
        quickSearchBtn.addEventListener('click', performQuickSearch);
    }
    
    // 快速搜索输入框回车键
    const quickSearchInput = document.getElementById('quickSearch');
    if (quickSearchInput) {
        quickSearchInput.addEventListener('keypress', function(e) {
            if (e.key === 'Enter') {
                performQuickSearch();
            }
        });
    }
    
    // 高级搜索按钮
    const advancedSearchBtn = document.getElementById('advancedSearchBtn');
    if (advancedSearchBtn) {
        advancedSearchBtn.addEventListener('click', performAdvancedSearch);
    }
    
    // 重置搜索按钮
    const resetSearchBtn = document.getElementById('resetSearchBtn');
    if (resetSearchBtn) {
        resetSearchBtn.addEventListener('click', resetSearch);
    }
    
    // 生成AI解析按钮
    const generateAnalysisBtn = document.getElementById('generateAnalysisBtn');
    if (generateAnalysisBtn) {
        generateAnalysisBtn.addEventListener('click', generateAIAnalysis);
    }
    
    // 快速筛选按钮
    document.querySelectorAll('.filter-btn').forEach(btn => {
        btn.addEventListener('click', function() {
            const dynasty = this.dataset.dynasty;
            const type = this.dataset.type;
            filterPoetry(dynasty, type);
        });
    });
    
    // 视图切换按钮
    document.querySelectorAll('.view-btn').forEach(btn => {
        btn.addEventListener('click', function() {
            const view = this.dataset.view;
            switchView(view);
        });
    });
    
    // 排序选择
    const sortBySelect = document.getElementById('sortBy');
    if (sortBySelect) {
        sortBySelect.addEventListener('change', function() {
            sortPoetry(this.value);
        });
    }
    
    // 学习功能按钮
    document.getElementById('compareBtn')?.addEventListener('click', startComparison);
    document.getElementById('recommendBtn')?.addEventListener('click', getRecommendations);
    document.getElementById('qaBtn')?.addEventListener('click', startQA);
    document.getElementById('memorizeBtn')?.addEventListener('click', startMemorization);
}

// 执行快速搜索
function performQuickSearch() {
    const query = document.getElementById('quickSearch').value.trim();
    
    if (!query) {
        alert('请输入搜索内容');
        return;
    }
    
    showLoading(true);
    
    // 模拟API调用
    setTimeout(() => {
        // 这里应该是实际的API调用
        console.log('执行快速搜索:', query);
        
        // 显示搜索结果
        showSearchResults(query);
        showLoading(false);
    }, 1000);
}

// 执行高级搜索
function performAdvancedSearch() {
    const title = document.getElementById('poetryTitle').value.trim();
    const author = document.getElementById('author').value.trim();
    const dynasty = document.getElementById('dynasty').value;
    const keywords = document.getElementById('keywords').value.trim();
    const poetryType = document.getElementById('poetryType').value;
    const wordCount = document.getElementById('wordCount').value;
    
    // 构建搜索条件
    const searchCriteria = {
        title,
        author,
        dynasty,
        keywords,
        poetryType,
        wordCount
    };
    
    console.log('高级搜索条件:', searchCriteria);
    
    showLoading(true);
    
    // 模拟API调用
    setTimeout(() => {
        // 这里应该是实际的API调用
        showSearchResults('高级搜索');
        showLoading(false);
    }, 1500);
}

// 重置搜索
function resetSearch() {
    document.getElementById('poetryTitle').value = '';
    document.getElementById('author').value = '';
    document.getElementById('dynasty').value = '';
    document.getElementById('keywords').value = '';
    document.getElementById('poetryType').value = '';
    document.getElementById('wordCount').value = '';
    
    // 重新加载所有诗词
    loadSamplePoetryData();
}

// 显示搜索结果
function showSearchResults(query) {
    const analysisResult = document.getElementById('analysisResult');
    if (!analysisResult) return;
    
    analysisResult.innerHTML = `
        <div class="search-result">
            <h3><i class="fas fa-search"></i> 搜索结果：${query}</h3>
            <p>找到 <strong>6</strong> 首相关诗词</p>
            <div class="result-list">
                <p>1. 静夜思 - 李白 (唐代)</p>
                <p>2. 春晓 - 孟浩然 (唐代)</p>
                <p>3. 水调歌头·明月几时有 - 苏轼 (宋代)</p>
                <p>4. 登鹳雀楼 - 王之涣 (唐代)</p>
                <p>5. 望庐山瀑布 - 李白 (唐代)</p>
                <p>6. 江雪 - 柳宗元 (唐代)</p>
            </div>
            <p class="note">注：这是演示数据，实际应用中会连接到真实的诗词数据库和AI解析服务。</p>
        </div>
    `;
    
    // 滚动到结果区域
    document.getElementById('ai-analysis').scrollIntoView({ behavior: 'smooth' });
}

// 显示/隐藏加载指示器
function showLoading(show) {
    const loadingIndicator = document.getElementById('loadingIndicator');
    if (loadingIndicator) {
        loadingIndicator.style.display = show ? 'block' : 'none';
    }
}

// 过滤诗词
function filterPoetry(dynasty, type) {
    showLoading(true);
    
    setTimeout(() => {
        console.log(`过滤诗词: 朝代=${dynasty}, 类型=${type}`);
        
        // 这里应该是实际的过滤逻辑
        // 暂时重新加载所有数据
        loadSamplePoetryData();
        showLoading(false);
    }, 800);
}

// 切换视图
function switchView(view) {
    const poetryGrid = document.getElementById('poetryGrid');
    if (!poetryGrid) return;
    
    // 更新按钮状态
    document.querySelectorAll('.view-btn').forEach(btn => {
        btn.classList.toggle('active', btn.dataset.view === view);
    });
    
    // 切换视图类
    poetryGrid.className = view === 'list' ? 'poetry-list' : 'poetry-grid';
    
    console.log(`切换到${view === 'list' ? '列表' : '网格'}视图`);
}

// 排序诗词
function sortPoetry(sortBy) {
    console.log(`按${sortBy}排序诗词`);
    
    // 这里应该是实际的排序逻辑
    // 暂时只是重新加载
    loadSamplePoetryData();
}

// 生成AI解析
function generateAIAnalysis() {
    const purpose = document.getElementById('purpose').value;
    const usage = document.getElementById('usage').value;
    const targetAudience = document.getElementById('targetAudience').value;
    const depth = document.getElementById('depth').value;
    const focus = document.getElementById('focus').value;
    
    // 获取当前选中的诗词（如果有）
    const selectedPoetry = getSelectedPoetry();
    
    if (!selectedPoetry) {
        alert('请先选择一首诗词（点击诗词卡片）');
        return;
    }
    
    showLoading(true);
    
    // 模拟AI解析生成
    setTimeout(() => {
        const analysisResult = document.getElementById('analysisResult');
        if (!analysisResult) return;
        
        analysisResult.innerHTML = `
            <div class="ai-analysis-result">
                <h3><i class="fas fa-robot"></i> AI深度解析结果</h3>
                <div class="analysis-header">
                    <h4>${selectedPoetry.title} - ${selectedPoetry.author} (${selectedPoetry.dynasty})</h4>
                    <div class="analysis-meta">
                        <span><i class="fas fa-bullseye"></i> 目的: ${purpose}</span>
                        <span><i class="fas fa-scenario"></i> 场景: ${usage}</span>
                        <span><i class="fas fa-users"></i> 读者: ${targetAudience}</span>
                        <span><i class="fas fa-layer-group"></i> 深度: ${depth}</span>
                        <span><i class="fas fa-crosshairs"></i> 重点: ${focus}</span>
                    </div>
                </div>
                
                <div class="analysis-content">
                    <h5>📖 诗词原文</h5>
                    <pre>${selectedPoetry.content}</pre>
                    
                    <h5>🔍 ${focus}分析</h5>
                    <p>${generateAIAnalysisContent(selectedPoetry, focus, depth)}</p>
                    
                    <h5>🎯 针对${targetAudience}的解读建议</h5>
                    <p>${generateAudienceSpecificAdvice(targetAudience, selectedPoetry)}</p>
                    
                    <h5>💡 教学/学习建议</h5>
                    <p>${generateLearningSuggestions(usage, purpose)}</p>
                    
                    <h5>📊 文学价值评估</h5>
                    <div class="value-assessment">
                        <div class="assessment-item">
                            <span>艺术成就:</span>
                            <div class="progress-bar">
                                <div class="progress" style="width: ${85 + Math.random() * 10}%"></div>
                            </div>
                        </div>
                        <div class="assessment-item">
                            <span>历史地位:</span>
                            <div class="progress-bar">
                                <div class="progress" style="width: ${80 + Math.random() * 15}%"></div>
                            </div>
                        </div>
                        <div class="assessment-item">
                            <span>文化影响:</span>
                            <div class="progress-bar">
                                <div class="progress" style="width: ${75 + Math.random() * 20}%"></div>
                            </div>
                        </div>
                    </div>
                </div>
                
                <div class="analysis-footer">
                    <p class="note"><i class="fas fa-info-circle"></i> 此解析由AI生成，基于深度学习和古典文学知识库。实际应用中会连接到真实的AI解析服务。</p>
                </div>
            </div>
        `;
        
        showLoading(false);
        
        // 滚动到结果区域
        analysisResult.scrollIntoView({ behavior: 'smooth' });
    }, 2000);
}

// 获取选中的诗词
function getSelectedPoetry() {
    // 这里应该从状态管理获取当前选中的诗词
    // 暂时返回第一首作为示例
    return {
        id: 1,
        title: "静夜思",
        author: "李白",
        dynasty: "唐",
        content: "床前明月光，疑是地上霜。\n举头望明月，低头思故乡。",
        type: "抒情",
        wordCount: "五言",
        tags: ["思乡", "月亮", "夜晚"]
    };
}

// 生成AI分析内容
function generateAIAnalysisContent(poetry, focus, depth) {
    const focusTemplates = {
        "意境分析": `《${poetry.title}》通过${poetry.content.split('，')[0]}等意象，营造出一种${poetry.tags[0]}的意境。诗人巧妙运用空间对比和时间流逝的描写，使读者感受到${poetry.author}独特的情感表达方式。`,
        "修辞手法": `本诗运用了比喻、对仗等修辞手法。如"${poetry.content.split('。')[0]}"一句，通过${poetry.tags[1]}的比喻，增强了诗歌的形象性和感染力。`,
        "格律分析": `作为一首${poetry.wordCount}诗，本诗严格遵守古典诗歌的格律要求。平仄搭配得当，押韵工整，体现了${poetry.dynasty}时期诗歌的形式美。`,
        "历史背景": `创作于${poetry.dynasty}时期，反映了当时的社会文化背景。${poetry.author}在${poetry.tags[2]}的背景下，通过这首诗表达了...`,
        "文学价值": `《${poetry.title}》在中国文学史上具有重要地位，对后世诗歌创作产生了深远影响。其${depth}的文学价值体现在...`,
        "综合解析": `从多个角度分析，《${poetry.title}》展现了${poetry.author}高超的艺术造诣。在意境营造、修辞运用、格律把握等方面都达到了很高水平。`
    };
    
    return focusTemplates[focus] || "AI解析内容生成中...";
}

// 生成读者特定建议
function generateAudienceSpecificAdvice(audience, poetry) {
    const adviceTemplates = {
        "中小学生": `对于中小学生，建议重点理解诗词的字面意思和基本情感。可以通过绘画、朗诵等方式增强对"${poetry.tags[0]}"主题的理解。`,
        "大学生": `大学生可以深入分析诗词的文学技巧和历史背景，探讨${poetry.author}的创作风格及其在文学史上的地位。`,
        "文学爱好者": `建议对比阅读${poetry.author}的其他作品，研究其艺术特色的发展变化，深入探讨${poetry.dynasty}诗歌的特点。`,
        "研究人员": `可以从学术角度进行深入研究，关注版本校勘、注释考证、文学批评等多个维度，挖掘诗词的深层文化内涵。`,
        "普通读者": `建议从情感共鸣入手，欣赏诗词的意境美和语言美，不必过于追求学术性的分析。`
    };
    
    return adviceTemplates[audience] || "根据读者特点提供个性化解读建议。";
}

// 生成学习建议
function generateLearningSuggestions(usage, purpose) {
    const suggestionTemplates = {
        "课堂教学": `1. 课前预习：了解诗人生平和创作背景\n2. 课堂讲解：重点分析诗词意象和情感\n3. 课后拓展：相关诗词对比阅读\n4. 实践活动：诗词朗诵或创作练习`,
        "自学研究": `1. 建立知识框架：了解${purpose}的基本方法\n2. 深度阅读：查阅相关文献和注释\n3. 笔记整理：记录关键见解和疑问\n4. 实践应用：尝试撰写小论文或赏析文章`,
        "文学创作": `1. 模仿练习：学习诗词的意象运用\n2. 技巧分析：研究修辞手法和格律\n3. 创作实践：尝试创作类似主题的诗歌\n4. 修改完善：反复推敲字句和意境`,
        "文化传播": `1. 通俗化解读：用现代语言解释古典诗词\n2. 多媒体呈现：结合图片、音频等媒介\n3. 互动设计：设计问答、游戏等互动环节\n4. 社交媒体：制作易于传播的诗词卡片`,
        "考试备考": `1. 考点梳理：明确常考知识点\n2. 真题练习：熟悉题型和答题技巧\n3. 记忆方法：使用联想记忆等技巧\n4. 模拟测试：进行限时练习和评估`
    };
    
    return suggestionTemplates[usage] || "根据使用场景提供具体的学习建议。";
}

// 切换收藏状态
function toggleFavorite(poetryId) {
    const favoriteBtn = document.getElementById('favoriteBtn');
    const isFavorite = favoriteBtn.classList.contains('favorited');
    
    if (isFavorite) {
        favoriteBtn.innerHTML = '<i class="far fa-heart"></i> 收藏';
        favoriteBtn.classList.remove('favorited');
        alert('已取消收藏');
    } else {
        favoriteBtn.innerHTML = '<i class="fas fa-heart"></i> 已收藏';
        favoriteBtn.classList.add('favorited');
        alert('已添加到收藏夹');
    }
    
    console.log(`诗词ID ${poetryId} 收藏状态: ${!isFavorite ? '已收藏' : '已取消'}`);
}

// 开始AI分析
function startAIAnalysis(poetry) {
    // 设置当前诗词
    console.log('开始AI分析:', poetry.title);
    
    // 滚动到AI分析区域
    document.getElementById('ai-analysis').scrollIntoView({ behavior: 'smooth' });
    
    // 显示提示
    alert(`已选择《${poetry.title}》，请在AI解析区域设置参数并点击"生成AI解析"按钮。`);
}

// 分享诗词
function sharePoetry(poetry) {
    const shareText = `分享一首古诗词：《${poetry.title}》 - ${poetry.author} (${poetry.dynasty})\n\n${poetry.content}\n\n来自古诗词智能解析器`;
    
    if (navigator.share) {
        navigator.share({
            title: poetry.title,
            text: shareText,
            url: window.location.href
        });
    } else {
        // 复制到剪贴板
        navigator.clipboard.writeText(shareText).then(() => {
            alert('诗词内容已复制到剪贴板，可以粘贴到其他应用分享！');
        });
    }
}

// 开始对比分析
function startComparison() {
    alert('对比分析功能：请选择两首诗词进行对比。\n\n演示版本中，此功能需要连接到实际的AI对比分析服务。');
}

// 获取推荐
function getRecommendations() {
    alert('相似推荐功能：基于当前诗词推荐主题、风格相似的作品。\n\n演示版本中，此功能需要连接到实际的推荐算法服务。');
}

// 开始问答
function startQA() {
    alert('知识问答功能：AI问答关于诗词的各类问题。\n\n演示版本中，此功能需要连接到实际的AI问答服务。');
}

// 开始背诵
function startMemorization() {
    alert('背诵助手功能：提供填空测试、顺序排序等背诵辅助。\n\n演示版本中，此功能需要连接到实际的背诵算法服务。');
}