{% extends "base.html" %}
{% load static %}

{% block title %}附件管理 - DEMO-AGENT V2{% endblock %}
{% block body_class %}app-body{% endblock %}

{% block content %}
<main class="app-shell">
  <header class="topbar">
    <div class="topbar-left">
      <div class="tabbar" role="tablist" aria-label="页面切换">
        <a class="tab" href="/" role="tab" aria-selected="false">首页</a>
        <button class="tab" type="button" role="tab" aria-selected="false">知识库管理</button>
        <a class="tab" href="/" role="tab" aria-selected="false">审核智能体</a>
        <a class="tab active" href="{% url 'attachment_manager' %}" role="tab" aria-selected="true">附件管理</a>
      </div>
    </div>
    <div class="topbar-right">
      <div class="user-menu">
        <button class="user-menu-trigger" type="button">
          <span class="avatar large">{{ request.user.username|slice:":1"|upper }}</span>
          <div class="user-copy">
            <strong>{{ request.user.username }}</strong>
            <span>当前登录用户</span>
          </div>
        </button>
      </div>
    </div>
  </header>

  <section
    class="attachment-manager-page"
    data-selected-conversation="{% if selected_conversation %}{{ selected_conversation.pk }}{% endif %}"
  >
    <header class="attachment-manager-hero attachment-manager-toolbar">
      <div>
        <p class="eyebrow">附件管理</p>
        <h1>附件管理</h1>
        <p>管理各对话下上传的审核资料、版本、状态和下载。</p>
      </div>
      <div class="attachment-manager-selectbar">
        <label for="attachmentConversationSelect">对话</label>
        <select class="attachment-manager-select-control" id="attachmentConversationSelect">
          <option value="">请选择对话</option>
          {% for conversation in conversations %}
            <option
              value="{{ conversation.pk }}"
              {% if selected_conversation and selected_conversation.pk == conversation.pk %}selected{% endif %}
            >
              {{ conversation.title|default:"新对话" }} · {{ conversation.updated_at|date:"m月d日 H:i" }} · {{ conversation.attachment_count }} 个附件
            </option>
          {% endfor %}
        </select>
        {% if selected_conversation %}
          <a class="return-chat-link" href="{% url 'home' %}?conversation={{ selected_conversation.pk }}">返回对话</a>
        {% endif %}
      </div>
    </header>

    {% if selected_conversation %}
      <div class="attachment-manager-content attachment-manager-split">
      <section class="attachment-manager-panel upload-manager-panel">
        <div class="summary-subheading">
          <h3>上传附件</h3>
          <span>{{ selected_conversation.title|default:"新对话" }}</span>
        </div>
        <div
          class="upload-dropzone manager-upload-dropzone"
          id="managerUploadDropzone"
          data-upload-url="{% url 'file_summary_attachment_upload' selected_conversation.pk %}"
          tabindex="0"
          role="button"
        >
          <input id="managerAttachmentInput" type="file" multiple hidden>
          <strong>拖拽文件到这里</strong>
          <span>支持 doc、docx、xls、xlsx、ppt、pptx、pdf、zip、7z、rar</span>
        </div>
        <p class="upload-status" id="managerUploadStatus">上传后会归属到当前选择的对话。</p>
      </section>

      <section class="attachment-manager-panel">
        <div class="summary-subheading">
          <h3>附件列表</h3>
          <input class="attachment-search" id="attachmentSearch" type="search" placeholder="搜索文件名">
        </div>
        <div class="attachment-table-wrap">
          <table class="attachment-table" id="attachmentManagerTable">
            <thead>
              <tr>
                <th>状态</th>
                <th>文件名</th>
                <th>版本</th>
                <th>大小</th>
                <th>上传时间</th>
                <th>操作</th>
              </tr>
            </thead>
            <tbody>
              {% for attachment in attachments %}
                <tr
                  data-attachment-id="{{ attachment.pk }}"
                  data-update-url="{% url 'file_summary_attachment_detail' selected_conversation.pk attachment.pk %}"
                  data-download-url="{% url 'file_summary_attachment_download' selected_conversation.pk attachment.pk %}"
                >
                  <td>{% if attachment.is_active %}启用{% else %}禁用{% endif %}</td>
                  <td class="attachment-name">{{ attachment.original_name }}</td>
                  <td>v{{ attachment.version_no }}</td>
                  <td>{{ attachment.file_size }} bytes</td>
                  <td>{{ attachment.created_at|date:"Y-m-d H:i" }}</td>
                  <td class="attachment-actions">
                    <a href="{% url 'file_summary_attachment_download' selected_conversation.pk attachment.pk %}">下载</a>
                    <button type="button" data-attachment-action="edit">编辑</button>
                    <button type="button" data-attachment-action="toggle">{% if attachment.is_active %}禁用{% else %}启用{% endif %}</button>
                    <button type="button" data-attachment-action="delete">删除</button>
                  </td>
                </tr>
              {% empty %}
                <tr>
                  <td colspan="6" class="table-empty">当前对话暂无附件</td>
                </tr>
              {% endfor %}
            </tbody>
          </table>
        </div>
      </section>
      </div>
    {% else %}
      <section class="attachment-manager-panel attachment-manager-empty attachment-manager-content">
        <h2>请选择一个对话查看附件</h2>
        <p>通过上方下拉框选择对话后，可上传、下载、编辑、启用禁用或删除附件。</p>
      </section>
    {% endif %}
  </section>
</main>
{% endblock %}

{% block scripts %}
<script src="{% static 'js/attachment_manager.js' %}"></script>
{% endblock %}