{% extends "layout.html" %}

{% block content %}
<div class="container-xl">
  <div class="page-header d-print-none">
    <div class="row align-items-center">
      <div class="col">
        <h2 class="page-title">
          IP Visualization - {{ subnet.cidr }}
        </h2>
        <div class="text-muted mt-1">{{ subnet.location }}</div>
      </div>
      <div class="col-auto ms-auto d-print-none">
        <a href="{{ url_for('ipam.subnet_view', subnet_id=subnet.id) }}" class="btn btn-link">
          Back to Subnet
        </a>
      </div>
    </div>
  </div>

  <div class="card mt-3">
    <div class="card-header">
      <div class="d-flex justify-content-between align-items-center">
        <h3 class="card-title">IP Address Map</h3>
        <div>
          <span class="badge bg-success me-2">Available: {{ total_ips - used_ip_count }}</span>
          <span class="badge bg-danger">Used: {{ used_ip_count }}</span>
        </div>
      </div>
    </div>
    <div class="card-body">
      <div class="ip-grid">
        {% set network_parts = subnet.cidr.split('/')[0].split('.') %}
        {% set network_prefix = network_parts[0] + '.' + network_parts[1] + '.' + network_parts[2] + '.' %}

        {% for i in range(1, 255) %}
        {% set ip = network_prefix + i|string %}
        {% if ip in used_ips %}
        <div class="ip-cell used" title="{{ used_ips[ip] }}">
          {{ ip }}
        </div>
        {% else %}
        <div class="ip-cell available" title="Available">
          {{ ip }}
        </div>
        {% endif %}
        {% endfor %}
      </div>
    </div>
  </div>
</div>
{% endblock %}

<script>
  document.addEventListener('DOMContentLoaded', function () {
    loadIpMap();

    // Handle scan button response
    document.body.addEventListener('htmx:afterRequest', function (event) {
      if (event.detail.target.matches('button[hx-post^="/ipam/subnet/"][hx-post$="/scan"]')) {
        if (event.detail.successful) {
          const toast = document.createElement('div');
          toast.className = 'toast align-items-center show position-fixed bottom-0 end-0 m-3';
          toast.setAttribute('role', 'alert');
          toast.setAttribute('aria-live', 'assertive');
          toast.setAttribute('aria-atomic', 'true');

          toast.innerHTML = `
                    <div class="d-flex">
                        <div class="toast-body">
                            Subnet scan started. Results will be available shortly.
                        </div>
                        <button type="button" class="btn-close me-2 m-auto" data-bs-dismiss="toast"></button>
                    </div>
                `;

          document.body.appendChild(toast);

          // Auto-remove toast after 5 seconds
          setTimeout(() => {
            toast.remove();
          }, 5000);

          // Reload IP map after a delay to allow scan to complete
          setTimeout(() => {
            loadIpMap();
          }, 3000);
        }
      }
    });
  });

  function loadIpMap() {
    const ipMap = document.getElementById('ip-map');
    const loadingIndicator = document.getElementById('loading-indicator');

    fetch('/ipam/subnet/{{ subnet.id }}/visualization')
      .then(response => response.json())
      .then(data => {
        // Hide loading indicator
        loadingIndicator.style.display = 'none';

        // Create IP grid
        const grid = document.createElement('div');
        grid.className = 'ip-grid';

        // Add each IP address to the grid
        data.forEach(ip => {
          const cell = document.createElement('div');
          cell.className = `ip-cell ${ip.status}`;

          // Add IP address
          const ipAddress = document.createElement('span');
          ipAddress.className = 'ip-address';
          ipAddress.textContent = ip.ip;
          cell.appendChild(ipAddress);

          // Add hostname if exists
          if (ip.hostname) {
            const hostname = document.createElement('span');
            hostname.className = 'ip-hostname';
            hostname.textContent = ip.hostname;
            cell.appendChild(hostname);
          }

          // Add click handler for details
          cell.addEventListener('click', () => {
            if (ip.status === 'used') {
              window.location.href = `/dashboard/server/${ip.server_id}`;
            }
          });

          grid.appendChild(cell);
        });

        ipMap.appendChild(grid);
      })
      .catch(error => {
        console.error('Error loading subnet visualization:', error);
        document.getElementById('ip-map').innerHTML =
          '<div class="alert alert-danger">Error loading subnet visualization. Please try again later.</div>';
        document.getElementById('loading-indicator').style.display = 'none';
      });
  }
</script>

<style>
  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
  }

  .ip-grid-container {
    min-height: 400px;
    position: relative;
  }

  .ip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 4px;
  }

  .ip-cell {
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 4px;
    text-align: center;
    cursor: pointer;
    height: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s ease;
  }

  .ip-cell:hover {
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }

  .ip-cell.used {
    background-color: rgba(32, 107, 196, 0.1);
    border-color: rgba(32, 107, 196, 0.5);
  }

  .ip-cell.available {
    background-color: rgba(5, 150, 105, 0.1);
    border-color: rgba(5, 150, 105, 0.5);
  }

  .ip-address {
    font-weight: bold;
  }

  .ip-hostname {
    font-size: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
</style>