{% extends "base.html" %}
{% block title %}代理实例 · SOCKS Manager{% endblock %}

{% block content %}
<div class="page-header">
  <h5><i class="bi bi-server"></i> 代理实例</h5>
  <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#addInstanceModal">
    <i class="bi bi-plus-lg"></i> 新建实例</button>
</div>

<!-- 实例列表 -->
<div class="card">
  <div class="card-body p-0">
    <table class="table table-dark align-middle">
      <thead>
        <tr><th>名称</th><th>监听地址</th><th>认证</th><th>限速</th><th>并发</th>
            <th>状态</th><th>活跃连接</th><th>操作</th></tr>
      </thead>
      <tbody>
        {% for inst in instances %}
        <tr>
          <td>
            <strong>{{ inst.name }}</strong>
            {% if inst.notes %}<br><small class="text-muted">{{ inst.notes }}</small>{% endif %}
          </td>
          <td><code>{{ inst.host }}:{{ inst.port }}</code></td>
          <td>
            <span class="badge badge-{{ 'info' if inst.auth_method=='userpass' else 'secondary' }}">
              {{ '账号密码' if inst.auth_method=='userpass' else '无认证' }}</span>
          </td>
          <td>
            <span class="text-muted small">↓{{ inst.bandwidth_down or '不限' }} ↑{{ inst.bandwidth_up or '不限' }} Mbps</span>
          </td>
          <td>{{ inst.max_concurrent }}</td>
          <td>
            <span class="status-dot {{ 'dot-online' if inst.running else 'dot-offline' }}"></span>
            {{ '运行中' if inst.running else '已停止' }}
          </td>
          <td>
            <span class="badge badge-{{ 'success' if inst.active_connections>0 else 'secondary' }}">
              {{ inst.active_connections }}</span>
          </td>
          <td>
            <div class="btn-group btn-group-sm">
              {% if not inst.running %}
              <form method="post" action="/instances/{{ inst.id }}/start" style="display:inline">
                <button class="btn btn-outline-success" title="启动"><i class="bi bi-play-fill"></i></button>
              </form>
              {% else %}
              <form method="post" action="/instances/{{ inst.id }}/stop" style="display:inline">
                <button class="btn btn-outline-warning" title="停止"><i class="bi bi-pause-fill"></i></button>
              </form>
              <form method="post" action="/instances/{{ inst.id }}/restart" style="display:inline">
                <button class="btn btn-outline-primary" title="重启"><i class="bi bi-arrow-clockwise"></i></button>
              </form>
              {% endif %}
              <button class="btn btn-outline-secondary" title="编辑" data-bs-toggle="modal"
                      data-bs-target="#editInstanceModal"
                      data-name="{{ inst.name }}"
                      data-host="{{ inst.host }}"
                      data-port="{{ inst.port }}"
                      data-timeout="{{ inst.timeout }}"
                      data-auth="{{ inst.auth_method }}"
                      data-bw-down="{{ inst.bandwidth_down }}"
                      data-bw-up="{{ inst.bandwidth_up }}"
                      data-concurrent="{{ inst.max_concurrent }}"
                      data-notes="{{ inst.notes }}"
                      data-id="{{ inst.id }}">
                <i class="bi bi-pencil"></i>
              </button>
              <form method="post" action="/instances/{{ inst.id }}/delete" style="display:inline"
                    onsubmit="return confirmDelete('确认删除实例 {{ inst.name }}？')">
                <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 instances %}
    <div class="text-center py-5 text-muted">
      <i class="bi bi-server text-muted" style="font-size:2rem;display:block;margin-bottom:.5rem"></i>
      暂无实例，点击上方"新建实例"开始
    </div>
    {% endif %}
  </div>
</div>

<!-- 添加实例模态框 -->
<div class="modal fade" id="addInstanceModal">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <h6 class="modal-title">新建代理实例</h6>
        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
      </div>
      <form method="post" action="/instances/add">
        <div class="modal-body">
          <div class="mb-3"><label class="form-label">实例名称</label>
            <input name="name" class="form-control" required placeholder="例: main-proxy">
          </div>
          <div class="row g-2 mb-3">
            <div class="col-7">
              <label class="form-label">监听地址</label>
              <input name="listen_host" class="form-control" value="0.0.0.0" placeholder="0.0.0.0 或 ::">
            </div>
            <div class="col-5">
              <label class="form-label">监听端口</label>
              <input name="listen_port" type="number" class="form-control" value="1080" min="1" max="65535">
            </div>
          </div>
          <div class="row g-2 mb-3">
            <div class="col-6">
              <label class="form-label">超时 (秒)</label>
              <input name="timeout" type="number" class="form-control" value="30">
            </div>
            <div class="col-6">
              <label class="form-label">认证方式</label>
              <select name="auth_method" class="form-select">
                <option value="none">无认证</option>
                <option value="userpass">账号密码</option>
              </select>
            </div>
          </div>
          <div class="row g-2 mb-3">
            <div class="col-6">
              <label class="form-label">下行限速 (Mbps, 0=不限)</label>
              <input name="bandwidth_down" type="number" class="form-control" value="0" step="0.1">
            </div>
            <div class="col-6">
              <label class="form-label">上行限速 (Mbps, 0=不限)</label>
              <input name="bandwidth_up" type="number" class="form-control" value="0" step="0.1">
            </div>
          </div>
          <div class="mb-3">
            <label class="form-label">最大并发连接数</label>
            <input name="max_concurrent" type="number" class="form-control" value="10">
          </div>
          <div class="mb-3">
            <label class="form-label">备注</label>
            <textarea name="notes" class="form-control" rows="2"></textarea>
          </div>
          <div class="form-check">
            <input type="checkbox" name="start" class="form-check-input" id="startCheck" checked>
            <label class="form-check-label" for="startCheck">创建后立即启动</label>
          </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>

<!-- 编辑实例模态框 -->
<div class="modal fade" id="editInstanceModal">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <h6 class="modal-title">编辑实例</h6>
        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
      </div>
      <form id="editInstanceForm" method="post">
        <div class="modal-body">
          <input type="hidden" name="id" id="editId">
          <div class="row g-2 mb-3">
            <div class="col-7">
              <label class="form-label">监听地址</label>
              <input name="listen_host" class="form-control" id="editHost">
            </div>
            <div class="col-5">
              <label class="form-label">监听端口</label>
              <input name="listen_port" type="number" class="form-control" id="editPort">
            </div>
          </div>
          <div class="row g-2 mb-3">
            <div class="col-6">
              <label class="form-label">超时 (秒)</label>
              <input name="timeout" type="number" class="form-control" id="editTimeout">
            </div>
            <div class="col-6">
              <label class="form-label">认证方式</label>
              <select name="auth_method" class="form-select" id="editAuth">
                <option value="none">无认证</option>
                <option value="userpass">账号密码</option>
              </select>
            </div>
          </div>
          <div class="row g-2 mb-3">
            <div class="col-6">
              <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-6">
              <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>
          <div class="mb-3">
            <label class="form-label">最大并发连接数</label>
            <input name="max_concurrent" type="number" class="form-control" id="editConcurrent">
          </div>
          <div class="mb-3">
            <label class="form-label">备注</label>
            <textarea name="notes" class="form-control" rows="2" id="editNotes"></textarea>
          </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('editInstanceModal').addEventListener('show.bs.modal', function(e) {
  const btn = e.relatedTarget;
  const form = document.getElementById('editInstanceForm');
  form.action = '/instances/' + btn.dataset.id + '/edit';
  document.getElementById('editHost').value = btn.dataset.host;
  document.getElementById('editPort').value = btn.dataset.port;
  document.getElementById('editTimeout').value = btn.dataset.timeout;
  document.getElementById('editAuth').value = btn.dataset.auth;
  document.getElementById('editBwDown').value = btn.dataset.bwDown;
  document.getElementById('editBwUp').value = btn.dataset.bwUp;
  document.getElementById('editConcurrent').value = btn.dataset.concurrent;
  document.getElementById('editNotes').value = btn.dataset.notes || '';
});
</script>
{% endblock %}