{% extends "base.html" %}

{% block title %}编辑 Wiki 条目{% endblock %}

{% block head %}
<!-- 引入相关CSS和JS -->
<link href="{{ url_for('static', filename='libs/quill/quill.snow.css') }}" rel="stylesheet">
<script src="{{ url_for('static', filename='libs/highlight/highlight.min.js') }}"></script>
<script src="{{ url_for('static', filename='libs/highlight/languages/javascript.min.js') }}"></script>
<script src="{{ url_for('static', filename='libs/highlight/languages/python.min.js') }}"></script>
<script src="{{ url_for('static', filename='libs/highlight/languages/bash.min.js') }}"></script>
<script src="{{ url_for('static', filename='libs/highlight/languages/xml.min.js') }}"></script>
<script src="{{ url_for('static', filename='libs/quill/quill.min.js') }}"></script>
{% endblock %}

{% block content %}
{% include 'admin_nav.html' %}
<div class="admin-wiki-container">
    <h1 class="page-title">编辑 Wiki 条目</h1>

    <div class="edit-entry-section">
        <h2>编辑条目</h2>
        <form id="editEntryForm" class="entry-form" enctype="multipart/form-data">
            <input type="hidden" id="entry-id" value="{{ entry.id }}">
            <div class="form-group">
                <label for="title">标题</label>
                <input type="text" id="title" name="title" value="{{ entry.title }}" required>
            </div>
            <div class="form-group">
                <label for="version">版本</label>
                <input type="text" id="version" name="version" value="{{ entry.version }}" required>
            </div>
            <div class="form-group">
                <label for="wiki-type">条目类型</label>
                <select id="wiki-type" name="wiki_type" required>
                    <option value="version" {% if entry.wiki_type == 'version' %}selected{% endif %}>版本号</option>
                    <option value="news" {% if entry.wiki_type == 'news' %}selected{% endif %}>资讯</option>
                </select>
            </div>
            <div class="form-group">
                <label for="content">内容</label>
                <div id="content-editor" class="editor"></div>
                <input type="hidden" id="content" name="content">
            </div>
            <div class="form-group">
                <label for="images">图片上传</label>
                <div class="image-upload-container">
                    <div class="image-upload-area" id="imageUploadArea">
                        <input type="file" id="images" name="images[]" accept="image/*" multiple class="image-input">
                        <div class="upload-placeholder">
                            <i class="fas fa-cloud-upload-alt"></i>
                            <p>点击或拖拽图片到此处上传</p>
                            <span class="upload-hint">支持多张图片上传</span>
                        </div>
                    </div>
                    <div class="image-preview-container" id="imagePreviewContainer">
                        {% for image in entry.images %}
                            <div class="preview-item" data-path="{{ image }}">
                                <img src="{{ url_for('static', filename=image) }}" alt="预览图">
                                <span class="preview-remove" onclick="removePreviewItem(this)">×</span>
                            </div>
                        {% endfor %}
                    </div>
                </div>
            </div>
            <button type="submit" class="btn-primary">更新条目</button>
        </form>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    // Quill 工具栏配置（与添加页面相同）
    const toolbarOptions = [
        // ... 工具栏配置保持不变
    ];

    // 初始化编辑器
    const editor = new Quill('#content-editor', {
        modules: {
            toolbar: {
                container: toolbarOptions,
                handlers: {
                    // ... 工具栏处理器保持不变
                }
            },
            syntax: {
                highlight: (text) => hljs.highlightAuto(text).value
            }
        },
        theme: 'snow'
    });

    // 设置初始内容
    const initialContent = {{ entry.content | tojson | safe }};
    editor.setContents(initialContent);

    // 表单提交
    document.getElementById('editEntryForm').addEventListener('submit', async function(e) {
        e.preventDefault();
        
        try {
            // 获取编辑器内容
            const content = editor.getContents();
            const title = document.getElementById('title').value;
            const version = document.getElementById('version').value;
            const wikiType = document.getElementById('wiki-type').value;
            const entryId = document.getElementById('entry-id').value;
            
            // 获取所有预览项的图片文件
            const previewContainer = document.getElementById('imagePreviewContainer');
            const previewItems = previewContainer.getElementsByClassName('preview-item');
            const imagePromises = Array.from(previewItems).map(item => {
                return new Promise((resolve) => {
                    const existingPath = item.getAttribute('data-path');
                    const file = item._file;
                    
                    if (existingPath && !file) {
                        // 如果是已存在的图片，直接返回路径
                        resolve({
                            name: existingPath.split('/').pop(),
                            data: null,
                            path: existingPath
                        });
                    } else if (file) {
                        // 如果是新上传的图片
                        const reader = new FileReader();
                        reader.onload = function(e) {
                            const timestamp = Date.now();
                            const safeName = file.name.replace(/[^a-zA-Z0-9.]/g, '_');
                            const uniqueName = `${timestamp}_${safeName}`;
                            
                            resolve({
                                name: uniqueName,
                                data: e.target.result.split(',')[1],
                                path: 'uploads/wiki/' + uniqueName
                            });
                        };
                        reader.readAsDataURL(file);
                    }
                });
            });
            
            // 等待所有图片处理完成
            const imageDataUrls = await Promise.all(imagePromises);
            
            // 创建 FormData 对象
            const formData = new FormData();
            formData.append('title', title);
            formData.append('version', version);
            formData.append('wiki_type', wikiType);
            formData.append('content', JSON.stringify(content));
            formData.append('entry_id', entryId);
            
            // 添加图片数据
            imageDataUrls.forEach((img, index) => {
                formData.append(`images[${index}][name]`, img.name);
                formData.append(`images[${index}][data]`, img.data || '');
                formData.append(`images[${index}][path]`, img.path);
            });
            
            const response = await fetch(`/admin/wiki/edit/${entryId}`, {
                method: 'POST',
                body: formData
                // 注意：不要设置 Content-Type，让浏览器自动设置
            });
            
            const responseData = await response.json();
            
            if (responseData.success) {
                alert('更新成功');
                window.location.href = '/admin/wiki';
            } else {
                alert('更新失败：' + responseData.error);
            }
        } catch (error) {
            console.error('Error:', error);
            alert('更新失败：' + error.message);
        }
    });

    // 移除预览项的函数
    window.removePreviewItem = function(element) {
        const previewItem = element.closest('.preview-item');
        previewItem.remove();
    };
});
</script>

<style>
/* 样式与添加页面保持一致 */
</style>
{% endblock %}