{% extends "base.html" %}
{% block title %}Home{% endblock %}

{% block content %}
  <!-- Single-column stack, centered and comfortably narrow -->
  <div class="max-w-xl md:max-w-3xl lg:max-w-5xl xl:max-w-6xl 2xl:max-w-7xl mx-auto space-y-4">

    <!-- Start a New Analysis -->
    <section class="bg-card border border-gray-800 rounded-xl p-4">
      <h2 class="text-lg font-semibold mb-3">Start a New Analysis</h2>

      <form id="analyze-form" action="{{ url_for('main.analyze') }}" method="post" class="space-y-3">
        <div>
          <label for="url" class="block text-sm text-gray-400 mb-1">Target URL or Domain</label>
          <input
            id="url"
            name="url"
            type="text"
            required
            class="w-full bg-[#0b0f14] border border-gray-700 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500"
            placeholder="https://example.com"
          >
        </div>

        <div class="flex flex-col gap-3 sm:flex-row sm:items-center">
          <button
            type="submit"
            class="inline-flex items-center gap-2 rounded-lg px-3 py-2 bg-blue-600 hover:bg-blue-500 text-white disabled:opacity-60"
          >
            <span id="btn-spinner" class="hidden animate-spin inline-block h-4 w-4 rounded-full border-2 border-white/40 border-t-white"></span>
            Analyse
          </button>

          <!-- toggle for pulling ssl/cert data -->
          <label class="flex items-center gap-2 text-sm">
            <input
              type="checkbox"
              name="fetch_ssl"
              value="1"
              class="rounded border-gray-600 bg-[#0b0f14]"
            >
            <span>
              Pull SSL/TLS data (crt.sh + version probe)
              <span class="text-gray-400">— crt.sh can be <b>very slow</b> at times</span>
            </span>
          </label>
        </div>
      </form>
    </section>

    <!-- Recent Results -->
    {% if recent_results %}
    <section class="bg-card border border-gray-800 rounded-xl p-4" id="recent-results">
      <h2 class="text-base font-semibold mb-3">Recent Results</h2>
      <div class="overflow-x-auto">
        <table class="min-w-full text-sm">
          <thead class="text-gray-400 border-b border-gray-800">
            <tr>
              <th class="text-left py-2 pr-4">Timestamp</th>
              <th class="text-left py-2 pr-4">URL</th>
              <th class="text-left py-2 pr-4">UUID</th>
            </tr>
          </thead>
          <tbody>
            {% for r in recent_results %}
            <tr class="border-b border-gray-900">
              <td class="py-2 pr-4 whitespace-nowrap">
                {% if r.timestamp %}{{ r.timestamp }}{% else %}N/A{% endif %}
              </td>
              <td class="py-2 pr-4">
                <a class="hover:text-blue-400" href="{{ url_for('main.view_result', run_uuid=r.uuid) }}">
                  {{ r.final_url or r.submitted_url }}
                </a>
              </td>
              <td class="py-2 pr-4">
                <div class="flex items-center gap-2">
                  <code id="uuid-{{ loop.index }}" class="text-gray-300">{{ r.uuid }}</code>
                  <button
                    type="button"
                    class="copy-btn inline-flex items-center justify-center rounded-md border border-gray-700 px-2 py-1 text-xs hover:bg-gray-800"
                    data-target="uuid-{{ loop.index }}"
                    title="Copy UUID"
                  >
                    📋
                  </button>
                </div>
              </td>
            </tr>
            {% endfor %}
          </tbody>
        </table>
      </div>
    </section>
    {% else %}
    <section class="bg-card border border-gray-800 rounded-xl p-4">
      <h2 class="text-base font-semibold mb-2">Recent Results</h2>
      <p class="text-sm text-gray-500">No recent scans.</p>
    </section>
    {% endif %}
  </div>

  <!-- Fullscreen spinner overlay -->
  <div
    id="spinner-modal"
    class="fixed inset-0 hidden opacity-0 transition-opacity duration-300 bg-black/70 z-50"
    role="dialog"
    aria-modal="true"
    aria-label="Analyzing website"
  >
    <div class="min-h-screen flex items-center justify-center p-4 text-center">
      <div class="bg-card border border-gray-800 rounded-xl px-6 py-5 shadow">
        <div class="mx-auto mb-3 h-12 w-12 rounded-full border-4 border-white/30 border-t-white animate-spin"></div>
        <div class="text-base">Analyzing website…<br /> If you are pulling certificates, this may take a long time </div>
      </div>
    </div>
  </div>
{% endblock %}

{% block scripts %}
<script>
/**
 * Show the fullscreen spinner overlay.
 */
function showSpinner() {
  const modal = document.getElementById('spinner-modal');
  if (!modal) return;
  modal.classList.remove('hidden');
  // allow reflow so opacity transition runs
  requestAnimationFrame(() => modal.classList.remove('opacity-0'));
}

/**
 * Hide the fullscreen spinner overlay.
 */
function hideSpinner() {
  const modal = document.getElementById('spinner-modal');
  if (!modal) return;
  modal.classList.add('opacity-0');
  modal.addEventListener('transitionend', () => {
    modal.classList.add('hidden');
  }, { once: true });
}

/**
 * Initialize form submit handling.
 */
(function initAnalyzeForm() {
  const form = document.getElementById('analyze-form');
  if (!form) return;

  const submitBtn = form.querySelector('button[type="submit"]');
  const btnSpinner = document.getElementById('btn-spinner');

  // Only hide the overlay when returning via BFCache (back/forward)
  window.addEventListener('pageshow', (e) => {
    const nav = performance.getEntriesByType('navigation')[0];
    const isBFCache = e.persisted || nav?.type === 'back_forward';

    if (isBFCache) {
      hideSpinner();
      if (submitBtn) submitBtn.disabled = false;
      if (btnSpinner) btnSpinner.classList.add('hidden');
    }
  });

  form.addEventListener('submit', (e) => {
    // prevent immediate submit so UI can paint spinner first
    e.preventDefault();

    if (submitBtn) submitBtn.disabled = true;
    if (btnSpinner) btnSpinner.classList.remove('hidden');

    showSpinner();

    // allow a frame so spinner paints, then submit
    requestAnimationFrame(() => form.submit());
  });
})();

/**
 * Copy UUID buttons
 */
(function initCopyButtons() {
  document.querySelectorAll('.copy-btn').forEach((btn) => {
    btn.addEventListener('click', async () => {
      const targetId = btn.getAttribute('data-target');
      const el = document.getElementById(targetId);
      if (!el) return;

      try {
        await navigator.clipboard.writeText(el.textContent.trim());
        const prev = btn.textContent;
        btn.textContent = '✅';
        setTimeout(() => { btn.textContent = prev; }, 1200);
      } catch (err) {
        console.error('Failed to copy UUID:', err);
      }
    });
  });
})();
</script>
{% endblock %}