{% extends 'dashboard/base.html' %}
{% load humanize %}

{% block title %}Domain Monitoring - Peza API{% endblock %}
{% block breadcrumb %}Domain Monitoring{% endblock %}

{% block content %}
<div class="mx-auto px-4 py-6">
  <div class="mb-6 flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
    <div>
      <h1 class="text-2xl font-bold text-gray-900">Domain Monitoring</h1>
      <p class="text-gray-600 mt-1">Track uptime and response times for your production websites.</p>
    </div>
    <button type="button" class="px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-colors" onclick="openDomainModal()" {% if not can_add_domain %}disabled class="opacity-60 cursor-not-allowed"{% endif %}>
      Register Domain
    </button>
  </div>

  {% if not can_add_domain %}
  <div class="mb-6 bg-yellow-50 border border-yellow-200 text-yellow-800 px-4 py-3 rounded-lg text-sm">
    Free accounts can monitor only 1 domain. Subscribe to add more domains.
  </div>
  {% endif %}

  <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
    <div class="lg:col-span-2 space-y-6">
      <div class="bg-white rounded-xl shadow-sm border border-gray-200">
        <div class="px-6 py-4 border-b border-gray-200 flex items-center justify-between">
          <h2 class="text-lg font-semibold text-gray-900">Monitored Domains</h2>
          {% if domains %}
            <span class="text-sm text-gray-500">{{ domains|length }} domain{{ domains|length|pluralize }}</span>
          {% endif %}
        </div>
        <div class="divide-y divide-gray-100">
          {% for domain in domains %}
          <div class="px-6 py-4 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
            <div>
              <div class="flex items-center gap-2">
                <span class="inline-flex h-2.5 w-2.5 rounded-full {% if domain.last_is_online == True %}bg-green-500{% elif domain.last_is_online == False %}bg-red-500{% else %}bg-gray-300{% endif %}"></span>
                <span class="text-sm font-semibold text-gray-900">{{ domain.url }}</span>
              </div>
              <div class="text-xs text-gray-500 mt-1">
                Last check:
                {% if domain.last_checked_at %}
                  {{ domain.last_checked_at|date:"M d, Y H:i" }}
                {% else %}
                  Pending first ping
                {% endif %}
              </div>
            </div>
            <div class="grid grid-cols-3 gap-4 text-center">
              <div>
                <div class="text-xs text-gray-500">24h uptime</div>
                <div class="text-sm font-semibold text-gray-900">
                  {% if domain.uptime_24h != None %}{{ domain.uptime_24h|floatformat:1 }}%{% else %}—{% endif %}
                </div>
              </div>
              <div>
                <div class="text-xs text-gray-500">7d uptime</div>
                <div class="text-sm font-semibold text-gray-900">
                  {% if domain.uptime_7d != None %}{{ domain.uptime_7d|floatformat:1 }}%{% else %}—{% endif %}
                </div>
              </div>
              <div>
                <div class="text-xs text-gray-500">30d uptime</div>
                <div class="text-sm font-semibold text-gray-900">
                  {% if domain.uptime_30d != None %}{{ domain.uptime_30d|floatformat:1 }}%{% else %}—{% endif %}
                </div>
              </div>
            </div>
            <form method="post" class="sm:ml-4">
              {% csrf_token %}
              <input type="hidden" name="action" value="delete">
              <input type="hidden" name="domain_id" value="{{ domain.id }}">
              <button type="submit" class="text-xs text-red-600 hover:text-red-700">Remove</button>
            </form>
          </div>
          {% empty %}
          <div class="px-6 py-8 text-center text-gray-500">
            No domains yet. Add your first domain to start monitoring.
          </div>
          {% endfor %}
        </div>
      </div>

      <div class="bg-white rounded-xl shadow-sm border border-gray-200 p-6">
        <div class="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between mb-4">
          <div>
            <h3 class="text-lg font-semibold text-gray-900">Response Time History</h3>
            <p class="text-sm text-gray-500">Recent checks for your selected domain</p>
          </div>
          {% if domains %}
          <form method="get">
            <select name="domain_id" class="px-3 py-2 border border-gray-300 rounded-lg text-sm" onchange="this.form.submit()">
              {% for domain in domains %}
                <option value="{{ domain.id }}" {% if selected_domain and selected_domain.id == domain.id %}selected{% endif %}>{{ domain.url }}</option>
              {% endfor %}
            </select>
          </form>
          {% endif %}
        </div>
        {% if selected_domain %}
          <canvas id="responseChart" height="150"></canvas>
        {% else %}
          <div class="text-sm text-gray-500">Add a domain to see response time history.</div>
        {% endif %}
      </div>
    </div>

    <div class="space-y-6">
      <div class="bg-white rounded-xl shadow-sm border border-gray-200 p-6">
        <h3 class="text-lg font-semibold text-gray-900">Monitoring Tips</h3>
        <ul class="mt-3 text-sm text-gray-600 space-y-2">
          <li>Use full HTTPS URLs for best accuracy.</li>
          <li>Each domain is checked every 60 seconds.</li>
          <li>Uptime is calculated from the last 24h, 7d, and 30d.</li>
        </ul>
      </div>
      <div class="bg-blue-50 border border-blue-100 rounded-xl p-6">
        <h3 class="text-lg font-semibold text-blue-900">Status Indicators</h3>
        <div class="mt-3 space-y-2 text-sm text-blue-900">
          <div class="flex items-center gap-2">
            <span class="inline-flex h-2.5 w-2.5 rounded-full bg-green-500"></span>
            <span>Online</span>
          </div>
          <div class="flex items-center gap-2">
            <span class="inline-flex h-2.5 w-2.5 rounded-full bg-red-500"></span>
            <span>Offline</span>
          </div>
          <div class="flex items-center gap-2">
            <span class="inline-flex h-2.5 w-2.5 rounded-full bg-gray-300"></span>
            <span>Not checked yet</span>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>

<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
  // Auto-refresh every 60 seconds to show latest checks
  setInterval(() => {
    window.location.reload();
  }, 60000);

  function openDomainModal() {
    const modal = document.getElementById('domain-modal');
    if (modal) modal.classList.remove('hidden');
  }

  function closeDomainModal() {
    const modal = document.getElementById('domain-modal');
    if (modal) modal.classList.add('hidden');
  }

  function addEmailField() {
    const container = document.getElementById('email-fields');
    if (!container) return;
    const input = document.createElement('input');
    input.type = 'email';
    input.name = 'alert_emails';
    input.placeholder = 'email@domain.com';
    input.className = 'w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500';
    container.appendChild(input);
  }

  const responseCtx = document.getElementById('responseChart');
  if (responseCtx) {
    new Chart(responseCtx, {
      type: 'line',
      data: {
        labels: {{ response_labels|safe }},
        datasets: [{
          label: 'Response time (ms)',
          data: {{ response_data|safe }},
          borderColor: '#2563eb',
          backgroundColor: 'rgba(37, 99, 235, 0.12)',
          borderWidth: 2,
          fill: true,
          tension: 0.25,
          pointRadius: 0,
        }]
      },
      options: {
        responsive: true,
        plugins: {
          legend: { display: false }
        },
        scales: {
          x: {
            grid: { display: false },
            ticks: { maxTicksLimit: 8 }
          },
          y: {
            beginAtZero: true,
            grid: { color: '#f3f4f6' }
          }
        }
      }
    });
  }
</script>

<div id="domain-modal" class="fixed inset-0 z-50 hidden">
  <div class="absolute inset-0 bg-black/50" onclick="closeDomainModal()"></div>
  <div class="relative mx-auto mt-16 w-[92%] max-w-lg rounded-xl bg-white shadow-xl">
    <div class="flex items-center justify-between border-b border-gray-200 px-6 py-4">
      <div>
        <div class="text-xs text-gray-500 uppercase tracking-wide">Register Domain</div>
        <div class="text-lg font-semibold text-gray-900">Add Monitoring Target</div>
      </div>
      <button type="button" class="text-gray-400 hover:text-gray-600" onclick="closeDomainModal()">
        <svg class="h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
        </svg>
      </button>
    </div>
    <form method="post" class="px-6 py-4 space-y-4">
      {% csrf_token %}
      <input type="hidden" name="action" value="create">
      <div>
        <label class="block text-sm font-medium text-gray-700 mb-1">Website Name</label>
        <input type="text" name="domain_name" placeholder="My Production Site" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
      </div>
      <div>
        <label class="block text-sm font-medium text-gray-700 mb-1">Domain URL</label>
        <input type="url" name="domain_url" placeholder="https://example.com" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500" required>
      </div>
      <div>
        <label class="block text-sm font-medium text-gray-700 mb-1">Alert Emails</label>
        <div id="email-fields" class="space-y-2">
          <input type="email" name="alert_emails" placeholder="email@domain.com" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
        </div>
        <button type="button" class="mt-2 text-xs font-semibold text-blue-600 hover:text-blue-700" onclick="addEmailField()">Add another email</button>
        <p class="text-xs text-gray-500 mt-1">Add one email per field. We'll notify all of them on downtime.</p>
      </div>
      <div class="flex items-center justify-end gap-2">
        <button type="button" class="px-4 py-2 text-sm font-medium text-gray-600 hover:text-gray-800" onclick="closeDomainModal()">Cancel</button>
        <button type="submit" class="px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-colors">Register</button>
      </div>
    </form>
  </div>
</div>
{% endblock %}