{% extends "base.html" %}
{% block title %}用户管理 · SOCKS Manager{% endblock %}

{% block content %}
<div class="page-header">
  <div>
    <h5 class="mb-0"><i class="bi bi-people"></i> 用户管理</h5>
    <span class="text-muted small">共 {{ total }} 个用户</span>
  </div>
  <div class="d-flex gap-2">
    <form method="get" class="d-flex">
      <input name="search" class="form-control form-control-sm" placeholder="搜索用户名"
             value="{{ search }}" style="width:180px">
      <button type="submit" class="btn btn-outline-secondary btn-sm" title="搜索"><i class="bi bi-search"></i></button>
    </form>
    <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#addUserModal">
      <i class="bi bi-plus-lg"></i> 新建用户</button>
  </div>
</div>

<!-- 用户列表 -->
<div class="card">
  <div class="card-body p-0">
    <table class="table table-dark align-middle">
      <thead>
        <tr><th>用户名</th><th>状态</th><th>流量</th><th>限速</th><th>并发</th>
            <th>白名单/黑名单</th><th>过期</th><th>创建时间</th><th>操作</th></tr>
      </thead>
      <tbody>
        {% for u in users %}
        <tr class="{% if not u.active %}table-secondary{% endif %}">
          <td>
            <strong>{{ u.username }}</strong>
            {% if u.banned %}<span class="badge badge-danger ms-1">封禁</span>{% endif %}
            {% if not u.enabled %}<span class="badge badge-secondary ms-1">禁用</span>{% endif %}
          </td>
          <td>
            <span class="badge badge-{{ 'success' if u.active else 'danger' }}">
              {{ '正常' if u.active else '不可用' }}</span>
          </td>
          <td>
            <span class="text-muted small">↑{{ "%.0f"|format(u.bytes_in/1024/1024) }}M ↓{{ "%.0f"|format(u.bytes_out/1024/1024) }}M</span>
            {% if u.total_traffic_mb %}<br><small class="text-muted">{{ "%.0f"|format(u.bytes_total_mb) }} / {{ u.total_traffic_mb }} MB</small>{% endif %}
          </td>
          <td>
            <span class="text-muted small">↓{{ u.bandwidth_down or '不限' }} ↑{{ u.bandwidth_up or '不限' }} Mbps</span>
          </td>
          <td>{{ u.max_concurrent }}</td>
          <td>
            {% if u.ip_whitelist %}<span class="badge badge-info" title="白名单">白 {{ u.ip_whitelist|length }}</span>{% endif %}
            {% if u.ip_blacklist %}<span class="badge badge-warning" title="黑名单">黑 {{ u.ip_blacklist|length }}</span>{% endif %}
            {% if not u.ip_whitelist and not u.ip_blacklist %}<span class="text-muted">-</span>{% endif %}
          </td>
          <td>{{ u.expire_at or '不过期' }}</td>
          <td><small class="text-muted">{{ u.created_at[:10] }}</small></td>
          <td>
            <div class="btn-group btn-group-sm">
              <button class="btn btn-outline-secondary" title="编辑" data-bs-toggle="modal" data-bs-target="#editUserModal"
                      data-id="{{ u.id }}"
                      data-username="{{ u.username }}"
                      data-bw-down="{{ u.bandwidth_down }}"
                      data-bw-up="{{ u.bandwidth_up }}"
                      data-concurrent="{{ u.max_concurrent }}"
                      data-total="{{ u.total_traffic_mb }}"
                      data-monthly="{{ u.monthly_traffic_mb }}"
                      data-wl="{{ u.ip_whitelist }}"
                      data-bl="{{ u.ip_blacklist }}"
                      data-expire="{{ u.expire_at[:10] if u.expire_at else '' }}">
                <i class="bi bi-pencil"></i>
              </button>
              <form method="post" action="/users/{{ u.id }}/toggle" style="display:inline">
                <input type="hidden" name="enabled" value="{{ 'false' if u.enabled else 'true' }}">
                <button class="btn btn-outline-{{ 'warning' if u.enabled else 'success' }}"
                        title="{{ '禁用' if u.enabled else '启用' }}">
                  <i class="bi bi-{{ 'eye-slash' if u.enabled else 'eye' }}"></i>
                </button>
              </form>
              <form method="post" action="/users/{{ u.id }}/ban" style="display:inline">
                <input type="hidden" name="ban" value="{{ 'false' if u.banned else 'true' }}">
                <button class="btn btn-outline-{{ 'warning' if not u.banned else 'secondary' }}"
                        title="{{ '封禁' if not u.banned else '解封' }}">
                  <i class="bi bi-{{ 'ban' if not u.banned else 'check-circle' }}"></i>
                </button>
              </form>
              <form method="post" action="/users/{{ u.id }}/delete" style="display:inline"
                    onsubmit="return confirmDelete('确认删除用户 {{ u.username }}？')">
                <button class="btn btn-outline-danger" title="删除"><i class="bi bi-trash"></i></button>
              </form>
            </div>
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>
    {% if not users %}
    <div class="text-center py-5 text-muted">暂无用户</div>
    {% endif %}
  </div>

  <!-- 分页 -->
  {% if pages > 1 %}
  <div class="card-footer d-flex justify-content-between align-items-center">
    <span class="text-muted small">第 {{ page }} / {{ pages }} 页</span>
    <nav><ul class="pagination pagination-sm mb-0">
      {% if page > 1 %}<li class="page-item"><a class="page-link" href="?page=1&search={{ search|urlencode }}">首页</a></li>{% endif %}
      {% if page > 1 %}<li class="page-item"><a class="page-link" href="?page={{ page-1 }}&search={{ search|urlencode }}">上页</a></li>{% endif %}
      {% for p in range(max(1,page-2), min(pages,page+2)+1) %}
      <li class="page-item {% if p==page %}active{% endif %}">
        <a class="page-link" href="?page={{ p }}&search={{ search|urlencode }}">{{ p }}</a></li>
      {% endfor %}
      {% if page < pages %}<li class="page-item"><a class="page-link" href="?page={{ page+1 }}&search={{ search|urlencode }}">下页</a></li>{% endif %}
      {% if page < pages %}<li class="page-item"><a class="page-link" href="?page={{ pages }}&search={{ search|urlencode }}">末页</a></li>{% endif %}
    </ul></nav>
  </div>
  {% endif %}
</div>

<!-- 添加用户模态框 -->
<div class="modal fade" id="addUserModal">
  <div class="modal-dialog modal-lg">
    <div class="modal-content">
      <div class="modal-header">
        <h6 class="modal-title">新建用户</h6>
        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
      </div>
      <form method="post" action="/users/add">
        <div class="modal-body">
          <div class="row g-3">
            <div class="col-md-6">
              <label class="form-label">用户名</label>
              <input name="username" class="form-control" required placeholder="登录时使用的用户名">
            </div>
            <div class="col-md-6">
              <label class="form-label">密码</label>
              <input name="password" class="form-control" placeholder="实例认证方式为账号密码时必填">
            </div>
            <div class="col-md-4">
              <label class="form-label">下行限速 (Mbps)</label>
              <input name="bandwidth_down" type="number" class="form-control" value="0" step="0.1">
            </div>
            <div class="col-md-4">
              <label class="form-label">上行限速 (Mbps)</label>
              <input name="bandwidth_up" type="number" class="form-control" value="0" step="0.1">
            </div>
            <div class="col-md-4">
              <label class="form-label">最大并发连接</label>
              <input name="max_concurrent" type="number" class="form-control" value="10">
            </div>
            <div class="col-md-4">
              <label class="form-label">总流量上限 (MB)</label>
              <input name="total_traffic_mb" type="number" class="form-control" value="0" placeholder="0=不限">
            </div>
            <div class="col-md-4">
              <label class="form-label">月流量上限 (MB)</label>
              <input name="monthly_traffic_mb" type="number" class="form-control" value="0" placeholder="0=不限">
            </div>
            <div class="col-md-4">
              <label class="form-label">过期时间</label>
              <input name="expire_at" type="datetime-local" class="form-control">
            </div>
            <div class="col-md-12">
              <label class="form-label">IP 白名单 (逗号分隔, 留空=不限)</label>
              <input name="ip_whitelist" class="form-control" placeholder="例: 192.168.1.0/24, 10.0.0.1">
            </div>
            <div class="col-md-12">
              <label class="form-label">IP 黑名单 (逗号分隔)</label>
              <input name="ip_blacklist" class="form-control" placeholder="例: 1.2.3.4, 5.6.7.8">
            </div>
          </div>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-outline-secondary btn-sm" data-bs-dismiss="modal">取消</button>
          <button type="submit" class="btn btn-primary btn-sm">创建</button>
        </div>
      </form>
    </div>
  </div>
</div>

<!-- 编辑用户模态框 -->
<div class="modal fade" id="editUserModal">
  <div class="modal-dialog modal-lg">
    <div class="modal-content">
      <div class="modal-header">
        <h6 class="modal-title" id="editUserTitle">编辑用户</h6>
        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
      </div>
      <form id="editUserForm" method="post">
        <div class="modal-body">
          <input type="hidden" name="id" id="editUid">
          <div class="row g-3">
            <div class="col-md-6">
              <label class="form-label">用户名</label>
              <input class="form-control" id="editUsername" disabled>
            </div>
            <div class="col-md-6">
              <label class="form-label">密码 (留空=不修改)</label>
              <input name="password" class="form-control" id="editPassword" placeholder="修改密码">
            </div>
            <div class="col-md-4">
              <label class="form-label">下行限速 (Mbps)</label>
              <input name="bandwidth_down" type="number" class="form-control" id="editBwDown" step="0.1">
            </div>
            <div class="col-md-4">
              <label class="form-label">上行限速 (Mbps)</label>
              <input name="bandwidth_up" type="number" class="form-control" id="editBwUp" step="0.1">
            </div>
            <div class="col-md-4">
              <label class="form-label">最大并发连接</label>
              <input name="max_concurrent" type="number" class="form-control" id="editConcurrent">
            </div>
            <div class="col-md-4">
              <label class="form-label">总流量上限 (MB)</label>
              <input name="total_traffic_mb" type="number" class="form-control" id="editTotal" placeholder="0=不限">
            </div>
            <div class="col-md-4">
              <label class="form-label">月流量上限 (MB)</label>
              <input name="monthly_traffic_mb" type="number" class="form-control" id="editMonthly" placeholder="0=不限">
            </div>
            <div class="col-md-4">
              <label class="form-label">过期时间</label>
              <input name="expire_at" type="datetime-local" class="form-control" id="editExpire">
            </div>
            <div class="col-md-12">
              <label class="form-label">IP 白名单</label>
              <input name="ip_whitelist" class="form-control" id="editWL">
            </div>
            <div class="col-md-12">
              <label class="form-label">IP 黑名单</label>
              <input name="ip_blacklist" class="form-control" id="editBL">
            </div>
          </div>
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-outline-secondary btn-sm" data-bs-dismiss="modal">取消</button>
          <button type="submit" class="btn btn-primary btn-sm">保存</button>
        </div>
      </form>
    </div>
  </div>
</div>

{% endblock %}

{% block extra_script %}
<script>
document.getElementById('editUserModal').addEventListener('show.bs.modal', function(e) {
  const btn = e.relatedTarget;
  const form = document.getElementById('editUserForm');
  form.action = '/users/' + btn.dataset.id + '/edit';
  document.getElementById('editUid').value = btn.dataset.id;
  document.getElementById('editUsername').value = btn.dataset.username;
  document.getElementById('editBwDown').value = btn.dataset.bwDown;
  document.getElementById('editBwUp').value = btn.dataset.bwUp;
  document.getElementById('editConcurrent').value = btn.dataset.concurrent;
  document.getElementById('editTotal').value = btn.dataset.total;
  document.getElementById('editMonthly').value = btn.dataset.monthly;
  document.getElementById('editWL').value = btn.dataset.wl || '';
  document.getElementById('editBL').value = btn.dataset.bl || '';
  document.getElementById('editExpire').value = btn.dataset.expire || '';
  document.getElementById('editUserTitle').textContent = '编辑用户: ' + btn.dataset.username;
});
</script>
{% endblock %}