{% extends "admin/base.html" %}

{% block main_content %}
<section class="form-panel">
    <div class="table-head">
        <div>
            <h2>新建 Markdown 文章</h2>
            <div class="table-note">直接生成 `content/posts/*.md` 文件，后端会自动解析 frontmatter、同步分类和标签。</div>
        </div>
    </div>

    <form method="post" action="/admin/posts" class="form-grid">
        <div class="field">
            <label>标题</label>
            <input type="text" name="title" value="{{ create_form.title }}" required>
        </div>
        <div class="field">
            <label>Slug</label>
            <input type="text" name="slug" value="{{ create_form.slug }}" placeholder="可留空自动生成">
        </div>
        <div class="field">
            <label>分类</label>
            <input type="text" name="category" value="{{ create_form.category }}" placeholder="例如 tech">
        </div>
        <div class="field">
            <label>标签</label>
            <input type="text" name="tags" value="{{ create_form.tags }}" placeholder="逗号分隔">
        </div>
        <div class="field">
            <label>文章类型</label>
            <input type="text" name="post_type" value="{{ create_form.post_type }}">
        </div>
        <div class="field">
            <label>封面图</label>
            <input type="text" name="image" value="{{ create_form.image }}" placeholder="可选">
        </div>
        <div class="field field-wide">
            <label>摘要</label>
            <textarea name="description">{{ create_form.description }}</textarea>
        </div>
        <div class="field field-wide">
            <label>正文 Markdown</label>
            <textarea name="content" style="min-height: 22rem; font-family: var(--font-mono); line-height: 1.65;">{{ create_form.content }}</textarea>
        </div>
        <div class="field field-wide">
            <div class="actions">
                <label class="chip"><input type="checkbox" name="published" checked style="margin-right: 8px;">发布</label>
                <label class="chip"><input type="checkbox" name="pinned" style="margin-right: 8px;">置顶</label>
                <button type="submit" class="btn btn-primary">创建文章</button>
            </div>
        </div>
    </form>
</section>

<section class="form-panel">
    <div class="table-head">
        <div>
            <h2>导入 Markdown 文件</h2>
            <div class="table-note">支持选择单个 `.md/.markdown` 文件，也支持直接选择一个本地 Markdown 文件夹批量导入。</div>
        </div>
    </div>

    <form id="markdown-import-form" class="form-grid">
        <div class="field">
            <label>选择文件</label>
            <input id="markdown-files" type="file" accept=".md,.markdown" multiple>
        </div>
        <div class="field">
            <label>选择文件夹</label>
            <input id="markdown-folder" type="file" accept=".md,.markdown" webkitdirectory directory multiple>
        </div>
        <div class="field field-wide">
            <div class="actions">
                <button id="import-submit" type="submit" class="btn btn-success">导入 Markdown</button>
            </div>
            <div class="field-hint" style="margin-top: 10px;">导入时会从 frontmatter 和正文里提取标题、slug、摘要、分类、标签与内容，并写入服务器 `content/posts`。</div>
            <div id="import-notice" class="notice"></div>
        </div>
    </form>
</section>

<section class="table-panel">
    <div class="table-head">
        <div>
            <h2>内容列表</h2>
            <div class="table-note">直接跳到前台文章、分类筛选和 API 明细。</div>
        </div>
    </div>

    {% if rows | length > 0 %}
    <div class="table-wrap">
        <table>
            <thead>
                <tr>
                    <th>ID</th>
                    <th>文章</th>
                    <th>分类</th>
                    <th>标签</th>
                    <th>时间</th>
                    <th>跳转</th>
                </tr>
            </thead>
            <tbody>
                {% for row in rows %}
                <tr>
                    <td class="mono">#{{ row.id }}</td>
                    <td>
                        <div class="item-title">
                            <strong>{{ row.title }}</strong>
                            <span class="item-meta">{{ row.slug }}</span>
                            <span class="item-meta">{{ row.file_path }}</span>
                        </div>
                    </td>
                    <td>
                        <div class="item-title">
                            <strong>{{ row.category_name }}</strong>
                            <a href="{{ row.category_frontend_url }}" class="inline-link" target="_blank" rel="noreferrer noopener">查看该分类文章</a>
                        </div>
                    </td>
                    <td>
                        <div class="inline-links">
                            {% if row.tags | length > 0 %}
                                {% for tag in row.tags %}
                                <span class="chip">#{{ tag }}</span>
                                {% endfor %}
                            {% else %}
                            <span class="badge-soft">暂无标签</span>
                            {% endif %}
                        </div>
                    </td>
                    <td class="mono">{{ row.created_at }}</td>
                    <td>
                        <div class="actions">
                            <a href="{{ row.edit_url }}" class="btn btn-success">编辑 Markdown</a>
                            <a href="{{ row.frontend_url }}" class="btn btn-primary" target="_blank" rel="noreferrer noopener">前台详情</a>
                            <a href="{{ row.api_url }}" class="btn btn-ghost" target="_blank" rel="noreferrer noopener">API</a>
                        </div>
                    </td>
                </tr>
                {% endfor %}
            </tbody>
        </table>
    </div>
    {% else %}
    <div class="empty">当前没有可管理的文章数据。</div>
    {% endif %}
</section>
{% endblock %}

{% block page_scripts %}
<script>
    const importForm = document.getElementById("markdown-import-form");
    const importFiles = document.getElementById("markdown-files");
    const importFolder = document.getElementById("markdown-folder");
    const importNotice = document.getElementById("import-notice");

    function showImportNotice(message, kind) {
        importNotice.textContent = message;
        importNotice.className = "notice show " + (kind === "success" ? "notice-success" : "notice-error");
    }

    importForm?.addEventListener("submit", async (event) => {
        event.preventDefault();

        const selectedFiles = [
            ...(importFiles?.files ? Array.from(importFiles.files) : []),
            ...(importFolder?.files ? Array.from(importFolder.files) : []),
        ].filter((file) => file.name.endsWith(".md") || file.name.endsWith(".markdown"));

        if (!selectedFiles.length) {
            showImportNotice("请先选择要导入的 Markdown 文件或文件夹。", "error");
            return;
        }

        const payload = new FormData();
        selectedFiles.forEach((file) => {
            const uploadName = file.webkitRelativePath || file.name;
            payload.append("files", file, uploadName);
        });

        try {
            const response = await fetch("/admin/posts/import", {
                method: "POST",
                body: payload,
            });

            if (!response.ok) {
                throw new Error(await response.text() || "import failed");
            }

            const result = await response.json();
            showImportNotice(`已导入 ${result.count} 个 Markdown 文件，正在刷新列表。`, "success");
            setTimeout(() => window.location.reload(), 900);
        } catch (error) {
            showImportNotice("导入失败：" + (error?.message || "unknown error"), "error");
        }
    });
</script>
{% endblock %}