{% extends "base.html" %}
{% from "_pagination.html" import render_pagination %}

{% set active_page = "admin" %}
{% block title %}管理台{% endblock %}

{% block content %}
<div>
  <h1 class="text-3xl font-extrabold">管理台</h1>
  <p class="mt-2 text-sm text-textSub">管理用户账号、注册状态和预测记录。</p>
</div>

<section class="mt-6 rounded-xl border border-line bg-white p-5 shadow-panel">
  <h2 class="font-extrabold">用户注册</h2>
  <form method="post" action="{{ url_for('main.update_registration_setting') }}" class="mt-3 flex items-center gap-3">
    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
    <label class="text-sm">
      <input type="checkbox" name="allow_registration" {{ 'checked' if registration_allowed }}>
      允许自助注册
    </label>
    <button class="ui-btn ui-btn-sm ui-btn-primary">保存</button>
  </form>
</section>

<section class="mt-6 rounded-xl border border-line bg-white p-5 shadow-panel">
  <h2 class="font-extrabold">邀请注册</h2>
  <p class="mt-1 text-sm text-textSub">即使关闭自助注册，也可向指定邮箱发送一次性注册链接。</p>
  <form method="post" action="{{ url_for('main.admin_send_registration_invitation') }}" class="mt-4 flex flex-col gap-2 sm:flex-row" novalidate>
    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
    <label class="sr-only" for="inviteEmail">受邀邮箱</label>
    <input id="inviteEmail" name="email" type="email" required autocomplete="email" class="min-w-0 flex-1 rounded-lg border border-line px-3 py-2 text-sm" placeholder="受邀人的邮箱地址">
    <button class="ui-btn ui-btn-sm ui-btn-primary shrink-0">发送注册链接</button>
  </form>
</section>

<section class="mt-6 rounded-xl border border-line bg-white p-5 shadow-panel">
  <div class="flex flex-col gap-4 sm:flex-row sm:items-end sm:justify-between">
    <div>
      <h2 class="font-extrabold">用户管理</h2>
      <p class="mt-1 text-sm text-textSub">查看用户状态，发送重置通知或撤销受信设备。</p>
    </div>
    <form method="get" class="flex w-full gap-2 sm:w-auto">
      <input
        name="q"
        value="{{ user_search }}"
        class="min-w-0 flex-1 rounded-lg border border-line px-3 py-2 text-sm sm:w-64"
        placeholder="搜索显示名或邮箱"
      >
      <button class="ui-btn ui-btn-sm ui-btn-secondary">搜索</button>
    </form>
  </div>

  <div class="mt-4 space-y-3 lg:hidden">
    {% for user in user_pagination.items %}
    <article class="rounded-lg border border-line bg-slate-50 p-4">
      <div class="flex items-start justify-between gap-3">
        <div class="min-w-0">
          <h3 class="truncate font-bold">{{ user.username }}</h3>
          <p class="mt-1 break-all text-xs text-textSub">{{ user.email or '未设置邮箱' }}</p>
        </div>
        <span class="shrink-0 rounded-full px-2 py-1 text-xs font-bold {{ 'bg-successSoft text-successText' if user.is_active_account else 'bg-dangerSoft text-dangerText' }}">
          {{ '已启用' if user.is_active_account else '已停用' }}
        </span>
      </div>
      <dl class="mt-4 grid grid-cols-2 gap-3 text-sm">
        <div><dt class="text-xs text-textSub">邮箱状态</dt><dd class="mt-1 font-semibold">{{ '已验证' if user.email_verified_at else '未验证' }}</dd></div>
        <div><dt class="text-xs text-textSub">受信设备</dt><dd class="mt-1 font-semibold">{{ active_device_counts.get(user.id, 0) }} 台</dd></div>
        <div class="col-span-2"><dt class="text-xs text-textSub">注册时间</dt><dd class="mt-1 text-textMain">{{ format_datetime(user.created_at) }}</dd></div>
      </dl>
      <div class="mt-4 grid gap-2 sm:grid-cols-3">
        {% if user.email %}
        <form method="post" action="{{ url_for('main.admin_password_reset', user_id=user.id) }}">
          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
          <input type="hidden" name="user_page" value="{{ user_pagination.page }}">
          <input type="hidden" name="q" value="{{ user_search }}">
          <button class="ui-btn ui-btn-compact ui-btn-secondary w-full">重置通知</button>
        </form>
        {% endif %}
        <form method="post" action="{{ url_for('main.admin_revoke_trusted_devices', user_id=user.id) }}">
          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
          <input type="hidden" name="user_page" value="{{ user_pagination.page }}">
          <input type="hidden" name="q" value="{{ user_search }}">
          <button class="ui-btn ui-btn-compact ui-btn-secondary w-full">撤销设备</button>
        </form>
        <form method="post" action="{{ url_for('main.admin_update_account_status', user_id=user.id) }}">
          <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
          <input type="hidden" name="user_page" value="{{ user_pagination.page }}">
          <input type="hidden" name="q" value="{{ user_search }}">
          <input type="hidden" name="is_active" value="{{ 'false' if user.is_active_account else 'true' }}">
          <button class="ui-btn ui-btn-compact w-full {{ 'ui-btn-secondary' if user.is_active_account else 'ui-btn-primary' }}">{{ '停用账号' if user.is_active_account else '启用账号' }}</button>
        </form>
      </div>
    </article>
    {% else %}
    <p class="rounded-lg border border-dashed border-line px-3 py-8 text-center text-sm text-textSub">未找到匹配用户。</p>
    {% endfor %}
  </div>

  <div class="mt-4 hidden overflow-x-auto lg:block">
    <table class="min-w-full text-sm">
      <thead class="bg-slate-50 text-left text-xs font-bold uppercase tracking-[.08em] text-textSub">
        <tr>
          <th class="px-3 py-3">用户</th>
          <th class="px-3 py-3">邮箱状态</th>
          <th class="px-3 py-3">账号状态</th>
          <th class="px-3 py-3">受信设备</th>
          <th class="px-3 py-3">注册时间</th>
          <th class="px-3 py-3">操作</th>
        </tr>
      </thead>
      <tbody class="divide-y divide-line">
        {% for user in user_pagination.items %}
        <tr>
          <td class="px-3 py-3">
            <div class="font-bold">{{ user.username }}</div>
            <div class="mt-1 text-xs text-textSub">{{ user.email or '未设置邮箱' }}</div>
          </td>
          <td class="px-3 py-3">
            <span class="rounded-full px-2 py-1 text-xs font-bold {{ 'bg-successSoft text-successText' if user.email_verified_at else 'bg-warnSoft text-warnText' }}">
              {{ '已验证' if user.email_verified_at else '未验证' }}
            </span>
          </td>
          <td class="px-3 py-3">
            <span class="rounded-full px-2 py-1 text-xs font-bold {{ 'bg-successSoft text-successText' if user.is_active_account else 'bg-dangerSoft text-dangerText' }}">
              {{ '已启用' if user.is_active_account else '已停用' }}
            </span>
          </td>
          <td class="px-3 py-3 font-semibold">{{ active_device_counts.get(user.id, 0) }}</td>
          <td class="whitespace-nowrap px-3 py-3 text-textSub">{{ format_datetime(user.created_at) }}</td>
          <td class="px-3 py-3">
            <div class="flex min-w-[260px] flex-wrap gap-2">
              {% if user.email %}
              <form method="post" action="{{ url_for('main.admin_password_reset', user_id=user.id) }}">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                <input type="hidden" name="user_page" value="{{ user_pagination.page }}">
                <input type="hidden" name="q" value="{{ user_search }}">
                <button class="ui-btn ui-btn-compact ui-btn-secondary">重置通知</button>
              </form>
              {% endif %}
              <form method="post" action="{{ url_for('main.admin_revoke_trusted_devices', user_id=user.id) }}">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                <input type="hidden" name="user_page" value="{{ user_pagination.page }}">
                <input type="hidden" name="q" value="{{ user_search }}">
                <button class="ui-btn ui-btn-compact ui-btn-secondary">撤销设备</button>
              </form>
              <form method="post" action="{{ url_for('main.admin_update_account_status', user_id=user.id) }}">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
                <input type="hidden" name="user_page" value="{{ user_pagination.page }}">
                <input type="hidden" name="q" value="{{ user_search }}">
                <input type="hidden" name="is_active" value="{{ 'false' if user.is_active_account else 'true' }}">
                <button class="ui-btn ui-btn-compact {{ 'ui-btn-secondary' if user.is_active_account else 'ui-btn-primary' }}">
                  {{ '停用账号' if user.is_active_account else '启用账号' }}
                </button>
              </form>
            </div>
          </td>
        </tr>
        {% else %}
        <tr>
          <td colspan="6" class="px-3 py-8 text-center text-sm text-textSub">未找到匹配用户。</td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>

  {% if user_pagination.total %}
  <nav class="flex flex-col gap-3 border-t border-line px-1 pt-4 text-sm sm:flex-row sm:items-center sm:justify-between" aria-label="用户分页">
    <span class="text-textSub">共 {{ user_pagination.total }} 位用户，第 {{ user_pagination.page }} / {{ user_pagination.pages }} 页</span>
    <div class="flex gap-2">
      <a
        class="ui-btn ui-btn-sm ui-btn-secondary {{ 'pointer-events-none opacity-50' if not user_pagination.has_prev }}"
        href="{{ url_for('main.admin_dashboard', user_page=user_pagination.prev_num if user_pagination.has_prev else user_pagination.page, q=user_search) }}"
      >上一页</a>
      <a
        class="ui-btn ui-btn-sm ui-btn-secondary {{ 'pointer-events-none opacity-50' if not user_pagination.has_next }}"
        href="{{ url_for('main.admin_dashboard', user_page=user_pagination.next_num if user_pagination.has_next else user_pagination.page, q=user_search) }}"
      >下一页</a>
    </div>
  </nav>
  {% endif %}
</section>

<section class="mt-6 rounded-xl border border-line bg-white p-5 shadow-panel">
  <h2 class="font-extrabold">上传记录</h2>
  <div class="mt-4 space-y-3 lg:hidden">
    {% for record in records %}
    <article class="rounded-lg border border-line bg-slate-50 p-4">
      <h3 class="break-all font-bold">{{ record.original_filename }}</h3>
      <dl class="mt-3 grid gap-2 text-sm">
        <div class="flex justify-between gap-4"><dt class="text-textSub">用户</dt><dd class="font-semibold">{{ record.user.username }}</dd></div>
        <div class="flex justify-between gap-4"><dt class="text-textSub">上传时间</dt><dd class="text-right">{{ format_datetime(record.upload_time) }}</dd></div>
      </dl>
      <div class="mt-4 grid grid-cols-2 gap-2">
        <a class="ui-btn ui-btn-compact ui-btn-secondary w-full" href="{{ url_for('main.download_file', record_id=record.id, file_type='original') }}" data-download-action data-download-pending="下载中...">
          <span class="material-symbols-outlined text-lg">description</span>
          原始文件
        </a>
        <a class="ui-btn ui-btn-compact ui-btn-primary w-full" href="{{ url_for('main.download_file', record_id=record.id, file_type='prediction') }}" data-download-action data-download-pending="下载中...">
          <span class="material-symbols-outlined text-lg">download</span>
          预测结果
        </a>
      </div>
    </article>
    {% else %}
    <p class="rounded-lg border border-dashed border-line px-3 py-8 text-center text-sm text-textSub">暂无上传记录。</p>
    {% endfor %}
  </div>
  <div class="mt-4 hidden overflow-x-auto lg:block">
    <table class="min-w-full text-sm">
      <thead>
        <tr class="border-b border-line text-left">
          <th class="p-2">用户</th>
          <th class="p-2">文件</th>
          <th class="p-2">时间</th>
          <th class="p-2">下载</th>
        </tr>
      </thead>
      <tbody>
        {% for record in records %}
        <tr class="border-b border-line">
          <td class="p-2">{{ record.user.username }}</td>
          <td class="p-2">{{ record.original_filename }}</td>
          <td class="p-2">{{ format_datetime(record.upload_time) }}</td>
          <td class="p-2">
            <div class="flex min-w-[190px] gap-2">
              <a class="ui-btn ui-btn-compact ui-btn-secondary" href="{{ url_for('main.download_file', record_id=record.id, file_type='original') }}" data-download-action data-download-pending="下载中...">原始文件</a>
              <a class="ui-btn ui-btn-compact ui-btn-primary" href="{{ url_for('main.download_file', record_id=record.id, file_type='prediction') }}" data-download-action data-download-pending="下载中...">预测结果</a>
            </div>
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
  </div>
  {{ render_pagination(pagination, 'main.admin_dashboard') }}
</section>
{% endblock %}