function show_teacher_data(user_data, user_course_data) {
    // 这里可以根据user_course_data生成课程卡片
    const courseCardsContainer = document.getElementById('course-cards');
    user_course_data.forEach(course => {
        const courseCard = document.createElement('div');
        courseCard.classList.add('course-card');
        courseCard.onclick = function() { openCourseDetails(course.id); };
        courseCard.innerHTML = `
            <img src="${course.cover_image}" alt="课程封面" class="course-image">
            <div class="course-info">
                <h3 class="course-name">${course.name}</h3>
                <p class="course-description">${course.description}</p>
            </div>
        `;
        courseCardsContainer.appendChild(courseCard);
    });
}

function openCourseDetails(courseId) {
    // 打开课程目录
    const courseDetails = document.getElementById('courseDetails');
    const courseTitle = document.getElementById('course-title');
    courseTitle.textContent = "课程名称: " + courseId; // 假设这里显示课程ID，实际情况应该是课程名称
    courseDetails.style.display = 'block';

    // 获取章节数据并渲染
    renderChapters(courseId);
}

function closeCourseDetails() {
    document.getElementById('courseDetails').style.display = 'none';
}

function renderChapters(courseId) {
    const chapterList = document.getElementById('chapter-list');
    chapterList.innerHTML = ""; // 清空章节列表
    // 假设从服务器获取课程章节数据
    const chapters = [
        { title: "第一章：算法基础", lessons: ["算法简介", "算法设计方法"] },
        { title: "第二章：数据结构", lessons: ["数组", "链表"] }
    ];

    chapters.forEach(chapter => {
        const chapterItem = document.createElement('li');
        chapterItem.innerHTML = `
            <strong>${chapter.title}</strong>
            <ul>
                ${chapter.lessons.map(lesson => `<li>${lesson} <button onclick="editLesson('${lesson}')">编辑</button></li>`).join('')}
            </ul>
            <button onclick="addLesson('${chapter.title}')">新增课时</button>
        `;
        chapterList.appendChild(chapterItem);
    });
}

function addChapter() {
    // 新增章节的逻辑
    alert("新增章节功能");
}

function addLesson(chapterTitle) {
    // 新增课时的逻辑
    alert("新增课时功能: " + chapterTitle);
}

function editLesson(lesson) {
    // 编辑课时的逻辑
    alert("编辑课时: " + lesson);
}