{% extends 'judge/base.html' %}

{% block title %}项目列表 - 评委系统{% endblock %}

{% block content %}
<div class="flex flex-col sm:flex-row justify-between items-center mb-8 gap-4">
    <div>
        <h2 class="text-3xl font-bold text-gray-900 tracking-tight">参赛项目列表</h2>
        <p class="mt-1 text-sm text-gray-500">请对以下分配给您的项目进行评审</p>
    </div>
    {% if request.session.judge_role == 'judge' or request.session.judge_role == 'guest' %}
    <button class="inline-flex items-center px-4 py-2 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 transition-all transform hover:scale-105" onclick="openUploadModal()">
        <i class="fas fa-cloud-upload-alt mr-2"></i>批量上传音频
    </button>
    {% endif %}
</div>

<div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-8">
    {% for project in projects %}
    <div class="bg-white rounded-xl shadow-md hover:shadow-xl transition-all duration-300 overflow-hidden group flex flex-col h-full border border-gray-100" data-id="{{ project.id }}">
        <div class="relative overflow-hidden h-48">
            {% if project.cover_image_url %}
            <img src="{{ project.cover_image_url }}" alt="{{ project.title }}" class="w-full h-full object-cover transform group-hover:scale-110 transition-transform duration-500">
            {% else %}
            <div class="w-full h-full bg-gray-100 flex flex-col items-center justify-center text-gray-400">
                <i class="fas fa-image text-4xl mb-2"></i>
                <span class="text-sm">暂无封面</span>
            </div>
            {% endif %}
            <div class="absolute top-2 right-2">
                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium {{ project.status_class }} shadow-sm bg-opacity-90 backdrop-filter backdrop-blur-sm">
                    {{ project.get_status_display }}
                </span>
            </div>
        </div>
        
        <div class="p-6 flex-1 flex flex-col">
            <h3 class="text-xl font-bold text-gray-900 mb-2 line-clamp-1" title="{{ project.title }}">{{ project.title }}</h3>
            <div class="flex items-center text-sm text-gray-500 mb-4">
                <i class="fas fa-user-circle mr-2 text-gray-400"></i>
                <span>{{ project.contestant_name }}</span>
            </div>
            
            <div class="mt-auto pt-4 border-t border-gray-100 flex items-center justify-between">
                <div class="flex flex-col">
                    <span class="text-xs text-gray-400 uppercase tracking-wider font-semibold">当前得分</span>
                    <span class="text-lg font-bold text-blue-600 score-display">{{ project.current_score|default:"--" }}</span>
                </div>
                <button class="inline-flex items-center px-4 py-2 border border-gray-300 shadow-sm text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 transition-colors" onclick="viewProject({{ project.id }})">
                    详情 & 评分 <i class="fas fa-arrow-right ml-2 text-xs"></i>
                </button>
            </div>
        </div>
    </div>
    {% empty %}
    <div class="col-span-full">
        <div class="text-center py-16 bg-white rounded-xl shadow-sm border border-gray-100">
            <div class="mx-auto h-24 w-24 text-gray-200">
                <i class="fas fa-folder-open text-6xl"></i>
            </div>
            <h3 class="mt-4 text-lg font-medium text-gray-900">暂无项目</h3>
            <p class="mt-1 text-sm text-gray-500">当前没有分配给您的参赛项目。</p>
        </div>
    </div>
    {% endfor %}
</div>

<!-- Project Detail & Grading Modal -->
<div id="projectModal" class="modal fixed inset-0 z-50 flex items-center justify-center p-4 sm:p-6" style="background-color: rgba(0,0,0,0.5);">
    <div class="bg-white rounded-2xl shadow-2xl w-full max-w-5xl max-h-[90vh] overflow-hidden flex flex-col relative animate-fade-in">
        <button class="absolute top-4 right-4 text-gray-400 hover:text-gray-600 z-10 p-2 rounded-full hover:bg-gray-100 transition-colors" onclick="closeModal('projectModal')">
            <i class="fas fa-times text-xl"></i>
        </button>
        
        <div class="px-8 py-6 border-b border-gray-100 bg-gray-50">
            <h2 class="text-2xl font-bold text-gray-900" id="modalTitle">项目标题</h2>
            <div class="flex items-center gap-4 mt-2 text-sm text-gray-500">
                <span class="flex items-center"><i class="fas fa-hashtag mr-1"></i> <span id="modalId"></span></span>
                <span class="flex items-center"><i class="fas fa-user mr-1"></i> <span id="modalContestant"></span></span>
            </div>
        </div>
        
        <div class="flex-1 overflow-y-auto p-8">
            <div class="flex flex-col lg:flex-row gap-8">
                <!-- Left Column: Info -->
                <div class="flex-1 space-y-6">
                    <div>
                        <h4 class="text-lg font-semibold text-gray-900 mb-3 flex items-center"><i class="fas fa-info-circle mr-2 text-blue-500"></i>项目简介</h4>
                        <div id="modalDesc" class="bg-gray-50 p-4 rounded-lg text-gray-700 text-sm leading-relaxed border border-gray-100 max-h-48 overflow-y-auto"></div>
                    </div>
                    
                    <div id="aiResultSection" style="display:none;" class="border border-indigo-100 rounded-xl overflow-hidden">
                        <div class="bg-indigo-50 px-4 py-3 border-b border-indigo-100 flex items-center">
                            <i class="fas fa-robot text-indigo-600 mr-2"></i>
                            <h4 class="text-sm font-bold text-indigo-900 uppercase tracking-wide">AI 智能分析</h4>
                        </div>
                        <div class="p-4 bg-white space-y-4">
                            <div>
                                <p class="text-xs font-semibold text-gray-500 uppercase mb-1">AI 总结</p>
                                <p class="text-sm text-gray-800" id="modalAiSummary"></p>
                            </div>
                            <div class="border-t border-gray-100 pt-3">
                                <p class="text-xs font-semibold text-gray-500 uppercase mb-1">逐字稿片段</p>
                                <p class="text-sm text-gray-600 italic" id="modalAiTrans"></p>
                            </div>
                        </div>
                    </div>

                    <div>
                        <h4 class="text-lg font-semibold text-gray-900 mb-3 flex items-center"><i class="fas fa-history mr-2 text-blue-500"></i>历史评语</h4>
                        <div id="modalHistoryComments" class="space-y-3 max-h-60 overflow-y-auto pr-2">
                            <!-- Loaded via JS -->
                        </div>
                    </div>
                </div>
                
                <!-- Right Column: Grading -->
                <div class="lg:w-1/3 bg-gray-50 p-6 rounded-xl border border-gray-200 h-fit sticky top-0">
                    <h4 class="text-lg font-bold text-gray-900 mb-4 flex items-center"><i class="fas fa-star mr-2 text-yellow-500"></i>打分 & 评语</h4>
                    <form id="gradingForm" onsubmit="submitScore(event)" class="space-y-6">
                        <input type="hidden" id="projectId" name="project_id">
                        
                        <div id="scoreDimensions" class="space-y-4">
                            <!-- Dimensions loaded via JS -->
                        </div>
                        
                        <div class="space-y-2">
                            <label for="comment" class="block text-sm font-medium text-gray-700">评语建议</label>
                            <textarea id="comment" name="comment" rows="4" 
                                class="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm border-gray-300 rounded-md p-3" 
                                placeholder="请输入您的专业点评..."></textarea>
                        </div>
                        
                        <div class="pt-4 border-t border-gray-200 flex items-center justify-between">
                            <span id="saveStatus" class="text-green-600 text-sm font-medium opacity-0 transition-opacity duration-300 flex items-center">
                                <i class="fas fa-check mr-1"></i> 已保存
                            </span>
                            <button type="submit" class="inline-flex justify-center py-2 px-6 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 transition-colors">
                                提交评分
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Upload Modal -->
<div id="uploadModal" class="modal fixed inset-0 z-50 flex items-center justify-center p-4" style="background-color: rgba(0,0,0,0.5);">
    <div class="bg-white rounded-lg shadow-xl w-full max-w-md overflow-hidden animate-fade-in relative">
        <button class="absolute top-3 right-3 text-gray-400 hover:text-gray-600" onclick="closeModal('uploadModal')">
            <i class="fas fa-times"></i>
        </button>
        <div class="px-6 py-4 bg-gray-50 border-b border-gray-100">
            <h2 class="text-lg font-bold text-gray-900">上传项目音频</h2>
        </div>
        
        <div class="p-6">
            <form id="uploadForm" onsubmit="uploadFiles(event)" class="space-y-4">
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">选择项目</label>
                    <select id="uploadProjectSelect" required class="mt-1 block w-full pl-3 pr-10 py-2 text-base border-gray-300 focus:outline-none focus:ring-blue-500 focus:border-blue-500 sm:text-sm rounded-md">
                        {% for project in projects %}
                        <option value="{{ project.id }}">{{ project.title }}</option>
                        {% endfor %}
                    </select>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">选择文件 (支持mp3/mp4, &le;50MB)</label>
                    <div class="mt-1 flex justify-center px-6 pt-5 pb-6 border-2 border-gray-300 border-dashed rounded-md hover:border-blue-400 transition-colors cursor-pointer" onclick="document.getElementById('fileInput').click()">
                        <div class="space-y-1 text-center">
                            <i class="fas fa-cloud-upload-alt text-gray-400 text-3xl mb-2"></i>
                            <div class="flex text-sm text-gray-600">
                                <label for="fileInput" class="relative cursor-pointer bg-white rounded-md font-medium text-blue-600 hover:text-blue-500 focus-within:outline-none">
                                    <span>点击上传</span>
                                    <input id="fileInput" name="fileInput" type="file" class="sr-only" multiple accept=".mp3,.mp4" required onchange="updateFileName(this)">
                                </label>
                                <p class="pl-1">或拖拽文件到这里</p>
                            </div>
                            <p class="text-xs text-gray-500">MP3, MP4 up to 50MB</p>
                            <p id="fileNameDisplay" class="text-xs text-blue-600 mt-2 font-medium"></p>
                        </div>
                    </div>
                </div>
                
                <div id="uploadProgressContainer" style="display: none;" class="bg-gray-50 p-3 rounded-md">
                    <div class="flex justify-between text-xs text-gray-600 mb-1">
                        <span id="uploadStatusText">准备上传...</span>
                        <span id="uploadPercent">0%</span>
                    </div>
                    <div class="w-full bg-gray-200 rounded-full h-2">
                        <div id="uploadProgressBar" class="bg-blue-600 h-2 rounded-full transition-all duration-300" style="width: 0%"></div>
                    </div>
                </div>
                
                <button type="submit" class="w-full flex justify-center py-2 px-4 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 transition-colors">
                    开始上传
                </button>
            </form>
        </div>
    </div>
</div>

{% endblock %}

{% block extra_js %}
<script>
function updateFileName(input) {
    const display = document.getElementById('fileNameDisplay');
    if (input.files.length > 0) {
        display.innerText = `已选: ${input.files.length} 个文件`;
    } else {
        display.innerText = '';
    }
}

function closeModal(id) {
    document.getElementById(id).classList.remove('active');
}

function openUploadModal() {
    document.getElementById('uploadModal').classList.add('active');
}

async function viewProject(id) {
    try {
        // Show loading state or skeleton if possible, for now just fetch
        const data = await fetch(`/judge/api/projects/${id}/`).then(res => res.json());
        
        document.getElementById('projectId').value = id;
        document.getElementById('modalTitle').innerText = data.title;
        document.getElementById('modalId').innerText = data.id;
        document.getElementById('modalContestant').innerText = data.contestant_name;
        document.getElementById('modalDesc').innerHTML = data.description || '<span class="text-gray-400 italic">暂无简介</span>';
        
        // AI Result
        const aiSection = document.getElementById('aiResultSection');
        if (data.ai_result) {
            aiSection.style.display = 'block';
            document.getElementById('modalAiSummary').innerText = (data.ai_result.summary || '暂无总结').substring(0, 300) + (data.ai_result.summary && data.ai_result.summary.length > 300 ? '...' : '');
            document.getElementById('modalAiTrans').innerText = (data.ai_result.transcription || '暂无内容').substring(0, 150) + '...';
        } else {
            aiSection.style.display = 'none';
        }
        
        // Render History Comments
        const historyHtml = data.history_comments.length > 0 ? data.history_comments.map(c => 
            `<div class="bg-white p-3 rounded border border-gray-100 shadow-sm">
                <div class="flex justify-between items-center mb-1">
                    <span class="font-bold text-sm text-gray-800">${c.judge_name}</span>
                    <span class="text-xs text-gray-400">${c.created_at}</span>
                </div>
                <p class="text-sm text-gray-600">${c.content}</p>
            </div>`
        ).join('') : '<div class="text-center text-gray-400 py-4 text-sm">暂无历史评语</div>';
        document.getElementById('modalHistoryComments').innerHTML = historyHtml;
        
        // Render Score Inputs
        const dimensionsHtml = data.dimensions.map(d => `
            <div class="bg-white p-3 rounded-lg border border-gray-200">
                <div class="flex justify-between items-center mb-2">
                    <label class="text-sm font-medium text-gray-700">${d.name}</label>
                    <span class="text-xs text-gray-500 bg-gray-100 px-2 py-0.5 rounded">权重: ${d.weight}</span>
                </div>
                <div class="flex items-center gap-4">
                    <input type="range" min="0" max="${d.max_score}" step="1" value="${d.current_score || 0}" 
                        oninput="document.getElementById('score_val_${d.id}').innerText = this.value"
                        name="score_${d.id}" class="w-full h-2 bg-gray-200 rounded-lg appearance-none cursor-pointer accent-blue-600">
                    <div class="w-12 text-right">
                        <span id="score_val_${d.id}" class="text-lg font-bold text-blue-600">${d.current_score || 0}</span>
                        <span class="text-xs text-gray-400">/${d.max_score}</span>
                    </div>
                </div>
            </div>
        `).join('');
        document.getElementById('scoreDimensions').innerHTML = dimensionsHtml;
        
        document.getElementById('comment').value = data.current_comment || '';
        
        // Handle Grading Permission
        const gradingForm = document.getElementById('gradingForm');
        const gradingContainer = gradingForm.parentElement;
        let readOnlyMsg = document.getElementById('readOnlyMsg');
        
        if (!readOnlyMsg) {
            readOnlyMsg = document.createElement('div');
            readOnlyMsg.id = 'readOnlyMsg';
            readOnlyMsg.className = 'text-center py-10 bg-white rounded-lg border border-dashed border-gray-300 mt-4';
            readOnlyMsg.innerHTML = `
                <div class="mx-auto h-12 w-12 bg-gray-50 rounded-full flex items-center justify-center mb-3">
                    <i class="fas fa-eye text-2xl text-gray-400"></i>
                </div>
                <h3 class="text-base font-medium text-gray-900">仅浏览模式</h3>
                <p class="mt-1 text-sm text-gray-500">当前身份无法进行评分</p>
            `;
            gradingContainer.appendChild(readOnlyMsg);
        }

        if (data.can_grade) {
            gradingForm.style.display = 'block';
            readOnlyMsg.style.display = 'none';
        } else {
            gradingForm.style.display = 'none';
            readOnlyMsg.style.display = 'block';
        }
        
        document.getElementById('projectModal').classList.add('active');
    } catch (e) {
        console.error(e);
        alert('加载项目详情失败');
    }
}

async function submitScore(e) {
    e.preventDefault();
    if(!confirm('确认提交评分吗？')) return;
    
    const form = e.target;
    const formData = new FormData(form);
    const data = Object.fromEntries(formData.entries());
    
    try {
        const res = await fetch('/judge/api/score/submit/', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRFToken': '{{ csrf_token }}'
            },
            body: JSON.stringify(data)
        });
        const result = await res.json();
        if(result.success) {
            const status = document.getElementById('saveStatus');
            status.style.opacity = '1';
            setTimeout(() => status.style.opacity = '0', 2000);
            
            // Optional: Update card score in background
            const cardScore = document.querySelector(`.project-card[data-id="${data.project_id}"] .score-display`);
            if(cardScore) cardScore.innerText = '已评分'; // Or fetch new score
            
        } else {
            alert('提交失败: ' + result.message);
        }
    } catch(e) {
        alert('提交出错');
    }
}

async function uploadFiles(e) {
    e.preventDefault();
    const projectSelect = document.getElementById('uploadProjectSelect');
    const fileInput = document.getElementById('fileInput');
    const projectId = projectSelect.value;
    const files = fileInput.files;
    
    if (files.length === 0) return;
    
    const progressBar = document.getElementById('uploadProgressBar');
    const statusText = document.getElementById('uploadStatusText');
    const percentText = document.getElementById('uploadPercent');
    const container = document.getElementById('uploadProgressContainer');
    
    container.style.display = 'block';
    
    for (let i = 0; i < files.length; i++) {
        const file = files[i];
        if (file.size > 50 * 1024 * 1024) {
            alert(`文件 ${file.name} 超过 50MB，跳过`);
            continue;
        }
        
        const formData = new FormData();
        formData.append('file', file);
        formData.append('project_id', projectId);
        
        statusText.innerText = `正在上传 ${file.name} (${i+1}/${files.length})...`;
        progressBar.style.width = '0%';
        percentText.innerText = '0%';
        
        try {
            await new Promise((resolve, reject) => {
                const xhr = new XMLHttpRequest();
                xhr.open('POST', '/judge/api/upload/', true);
                xhr.setRequestHeader('X-CSRFToken', '{{ csrf_token }}');
                
                xhr.upload.onprogress = (e) => {
                    if (e.lengthComputable) {
                        const percentComplete = Math.round((e.loaded / e.total) * 100);
                        progressBar.style.width = percentComplete + '%';
                        percentText.innerText = percentComplete + '%';
                    }
                };
                
                xhr.onload = () => {
                    if (xhr.status === 200) {
                        const res = JSON.parse(xhr.responseText);
                        if(res.success) resolve();
                        else reject(res.message);
                    } else {
                        reject(xhr.statusText);
                    }
                };
                
                xhr.onerror = () => reject('Network Error');
                xhr.send(formData);
            });
        } catch (err) {
            alert(`上传 ${file.name} 失败: ${err}`);
        }
    }
    
    statusText.innerText = '所有任务完成!';
    progressBar.style.width = '100%';
    percentText.innerText = '100%';
    
    setTimeout(() => {
        closeModal('uploadModal');
        container.style.display = 'none';
        window.location.href = "{% url 'judge_ai_manage' %}"; 
    }, 1000);
}
</script>
{% endblock %}