{% extends "base.html" %}
{% block title %}Admin{% endblock %}
{% block content %}
<div class="pagehead">
  <div><h1>Admin dashboard</h1><p>Manage accounts and keep an eye on exams across the school.</p></div>
  <div class="row">
    {% set b = backup_status() %}<span class="muted small" title="Automatic backups to data/backups">{% if b.time %}Auto-backup {{ 'OK' if b.ok else 'FAILED: ' ~ b.error }} · {{ b.time|dt }}{{ ' · copied to 2nd location' if b.copied else '' }}{% else %}Auto-backup starting…{% endif %}</span>
    <a class="btn" href="{{ url_for('admin_backup') }}" title="Download a copy of the whole database">Download backup</a>
    <a class="btn" href="{{ url_for('admin_sync') }}">Sync online</a>
    <a class="btn" href="{{ url_for('admin_students_bulk') }}">Import students</a>
    <a class="btn primary" href="{{ url_for('admin_user_new') }}">Add account</a>
  </div>
</div>

<div class="stats">
  <div class="stat"><b>{{ stats.students }}</b><span>Students</span></div>
  <div class="stat"><b>{{ stats.teachers }}</b><span>Active teachers</span></div>
  <div class="stat"><b>{{ stats.exams }}</b><span>Exams</span></div>
  <div class="stat accent"><b>{{ stats.live }}</b><span>Writing right now</span></div>
  <div class="stat"><b>{{ stats.submitted }}</b><span>Submitted attempts</span></div>
</div>

{% if pending %}
<div class="card">
  <h2>Teacher accounts waiting for approval</h2>
  <div class="tablewrap"><table>
    <tr><th>Name</th><th>Username</th><th>Email</th><th>Requested</th><th></th></tr>
    {% for u in pending %}
    <tr>
      <td>{{ u.full_name }}</td><td>{{ u.username }}</td><td>{{ u.email or '-' }}</td><td>{{ u.created_at|dt }}</td>
      <td class="actions">
        <form class="inline" method="post" action="{{ url_for('admin_user_action', uid=u.id, action='approve') }}">
          <input type="hidden" name="_csrf" value="{{ csrf_token() }}"><button class="btn sm primary">Approve</button></form>
        <form class="inline" method="post" action="{{ url_for('admin_user_action', uid=u.id, action='delete') }}" onsubmit="return confirm('Reject and delete this request?')">
          <input type="hidden" name="_csrf" value="{{ csrf_token() }}"><button class="btn sm danger">Reject</button></form>
      </td>
    </tr>
    {% endfor %}
  </table></div>
</div>
{% endif %}

<div class="card">
  <div class="row between"><h2>Recent exams</h2><a href="{{ url_for('teacher_home') }}">See all</a></div>
  {% if recent %}
  <div class="tablewrap"><table>
    <tr><th>Exam</th><th>Teacher</th><th>Class</th><th>Questions</th><th>Attempts</th><th>Status</th></tr>
    {% for e in recent %}
    <tr>
      <td><a href="{{ url_for('exam_manage', eid=e.id) }}">{{ e.title }}</a></td>
      <td>{{ e.teacher_name }}</td><td>{{ e.target_class or 'All' }}</td><td>{{ e.nq }}</td><td>{{ e.na }}</td>
      <td>{% if e.published %}<span class="badge ok">Published</span>{% else %}<span class="badge">Draft</span>{% endif %}</td>
    </tr>
    {% endfor %}
  </table></div>
  {% else %}<p class="muted">No exams have been created yet.</p>{% endif %}
</div>
{% endblock %}