{% extends "base.html" %}
{% block title %}Erreurs 404{% endblock %}

{% block content %}

{% if not log_configured %}
<section class="card">
  <p style="color:var(--muted)">STATS_LOG_FILE non configuré — impossible d'analyser les logs.</p>
</section>
{% else %}

<section class="card">
  <div class="err-header">
    <h2>Erreurs 404 <span class="err-total-badge">{{ total }} requêtes</span></h2>
    <button type="button" class="btn btn-sm" id="refresh-btn" onclick="location.reload()">↺ Actualiser</button>
  </div>

  {% if not entries %}
    <p style="color:var(--muted); margin-top:.5rem">Aucune erreur 404 dans les logs récents.</p>
  {% else %}
  <table class="file-table err-table">
    <thead>
      <tr>
        <th class="col-err-status"></th>
        <th>Chemin</th>
        <th class="col-err-count">Requêtes</th>
        <th class="col-date">Dernière vue</th>
        <th class="col-err-ips">IPs</th>
        <th class="col-actions"></th>
      </tr>
    </thead>
    <tbody>
    {% for path, info in entries %}
    <tr class="err-row" data-path="{{ path }}">
      <td class="col-err-status">
        <span class="err-status-dot err-status-dot--{% if not info.last_seen %}unk{% elif (info.ips | length) > 0 %}active{% else %}ok{% endif %}"
              data-path="{{ path }}"
              title="Cliquer pour vérifier">●</span>
      </td>
      <td class="err-path" title="{{ path }}"><code>{{ path }}</code></td>
      <td class="col-err-count"><span class="hits-badge hits-active">{{ info.count }}</span></td>
      <td class="col-date">{{ info.last_seen.strftime('%d/%m/%Y %H:%M') }}</td>
      <td class="col-err-ips">{{ info.ips | length }}</td>
      <td class="col-actions">
        <button type="button" class="btn-detail" data-path="{{ path }}" title="Voir le détail">▼</button>
      </td>
    </tr>
    <tr class="err-detail-row" id="detail-{{ loop.index }}" style="display:none">
      <td colspan="6" class="err-detail-cell">
        <div class="err-detail-content" id="detail-content-{{ loop.index }}">
          <span class="err-loading">Chargement…</span>
        </div>
      </td>
    </tr>
    {% endfor %}
    </tbody>
  </table>
  {% endif %}
</section>

{% if ignored_ips %}
<section class="card">
  <h2>IPs ignorées</h2>
  <div class="err-ignored-list">
    {% for ip in ignored_ips %}
    <span class="err-ignored-chip">
      {{ ip }}
      <button type="button" class="err-ignored-remove" data-ip="{{ ip }}" title="Retirer">✕</button>
    </span>
    {% endfor %}
  </div>
</section>
{% endif %}

{% endif %}

<script>
(function () {
  const DETAIL_URL = {{ url_for('errors_detail') | tojson }};
  const IGNORE_URL = {{ url_for('errors_ignore') | tojson }};
  const BAN_URL    = {{ url_for('errors_ban')    | tojson }};

  /* ── Expand/collapse detail ── */
  let openRow = null;

  document.querySelectorAll('.btn-detail').forEach(btn => {
    btn.addEventListener('click', () => {
      const path    = btn.dataset.path;
      const row     = btn.closest('tr');
      const idx     = row.querySelector('.err-status-dot').dataset.path === path
                      ? [...document.querySelectorAll('.err-row')].indexOf(row) + 1
                      : null;
      const detailRow     = row.nextElementSibling;
      const detailContent = detailRow.querySelector('.err-detail-content');
      const open = detailRow.style.display !== 'none';

      if (openRow && openRow !== detailRow) {
        openRow.style.display = 'none';
        openRow.previousElementSibling.querySelector('.btn-detail').textContent = '▼';
      }

      if (open) {
        detailRow.style.display = 'none';
        btn.textContent = '▼';
        openRow = null;
        return;
      }

      detailRow.style.display = '';
      btn.textContent = '▲';
      openRow = detailRow;
      loadDetail(path, detailContent);
    });
  });

  async function loadDetail(path, container) {
    container.innerHTML = '<span class="err-loading">Chargement…</span>';
    try {
      const d = await fetch(DETAIL_URL + '?path=' + encodeURIComponent(path)).then(r => r.json());
      renderDetail(d, container);
    } catch (_) {
      container.innerHTML = '<span style="color:#b91c1c">Erreur réseau.</span>';
    }
  }

  function renderDetail(d, container) {
    const statusBadge = d.still_404
      ? '<span class="err-badge err-badge--active">✗ Toujours actif</span>'
      : '<span class="err-badge err-badge--ok">✓ Résolu</span>';

    let html = `<div class="err-detail-meta">${statusBadge}
      <span class="err-detail-info">${d.count} requête(s) · dernière le ${d.last_seen}</span>
    </div>`;

    html += '<table class="err-ip-table"><thead><tr>'
          + '<th>IP</th><th>Requêtes</th><th>Dernière vue</th><th>Referers</th><th></th>'
          + '</tr></thead><tbody>';

    for (const ip of d.ips) {
      const referers = [...new Set(ip.hits.map(h => h.referer).filter(Boolean))];
      const refHtml = referers.length
        ? referers.slice(0,3).map(r => `<span class="err-referer" title="${escHtml(r)}">${escHtml(trimUrl(r))}</span>`).join(' ')
        : '<span style="color:var(--muted)">—</span>';

      html += `<tr class="${ip.ignored ? 'err-ip-ignored' : ''}">
        <td><code class="err-ip">${ip.ip}</code>${ip.ignored ? ' <span class="err-ignored-tag">ignorée</span>' : ''}</td>
        <td><span class="hits-badge ${ip.count > 10 ? 'hits-active' : 'hits-zero'}">${ip.count}</span></td>
        <td class="col-date">${ip.last_seen}</td>
        <td class="err-referers">${refHtml}</td>
        <td class="col-actions">
          <div class="row-actions">
            <button type="button" class="btn-ignore-ip ${ip.ignored ? 'btn-ignore-ip--active' : ''}"
                    data-ip="${ip.ip}" data-action="${ip.ignored ? 'remove' : 'add'}"
                    title="${ip.ignored ? 'Retirer de la liste d\'ignorées' : 'Ignorer cette IP'}">
              ${ip.ignored ? '👁' : '🙈'}
            </button>
            <button type="button" class="btn-ban-ip" data-ip="${ip.ip}" title="Bannir dans fail2ban">🔨</button>
          </div>
        </td>
      </tr>`;
    }
    html += '</tbody></table>';
    container.innerHTML = html;

    /* Ignore buttons */
    container.querySelectorAll('.btn-ignore-ip').forEach(b => {
      b.addEventListener('click', async () => {
        const fd = new FormData();
        fd.append('ip', b.dataset.ip);
        fd.append('action', b.dataset.action);
        const r = await fetch(IGNORE_URL, { method: 'POST', body: fd });
        const j = await r.json();
        if (j.ok) loadDetail(d.path, container);
      });
    });

    /* Ban buttons */
    container.querySelectorAll('.btn-ban-ip').forEach(b => {
      b.addEventListener('click', async () => {
        if (!confirm(`Bannir ${b.dataset.ip} dans fail2ban ?`)) return;
        b.disabled = true;
        b.textContent = '⏳';
        const fd = new FormData();
        fd.append('ip', b.dataset.ip);
        const r = await fetch(BAN_URL, { method: 'POST', body: fd });
        const j = await r.json();
        if (j.ok) {
          b.textContent = '✓';
          b.style.color = '#16a34a';
        } else {
          b.textContent = '✗';
          b.title = j.error || 'Erreur';
          b.style.color = '#dc2626';
          b.disabled = false;
          alert('Erreur : ' + (j.error || 'voir console'));
        }
      });
    });
  }

  /* ── Remove from ignored list (top section) ── */
  document.querySelectorAll('.err-ignored-remove').forEach(b => {
    b.addEventListener('click', async () => {
      const fd = new FormData();
      fd.append('ip', b.dataset.ip);
      fd.append('action', 'remove');
      await fetch(IGNORE_URL, { method: 'POST', body: fd });
      location.reload();
    });
  });

  /* ── Check status dots ── */
  document.querySelectorAll('.err-status-dot').forEach(dot => {
    dot.style.cursor = 'pointer';
    dot.addEventListener('click', async () => {
      dot.textContent = '○';
      dot.className = 'err-status-dot';
      const r = await fetch({{ url_for('errors_detail') | tojson }} + '?path=' + encodeURIComponent(dot.dataset.path))
                .then(r => r.json());
      dot.textContent = '●';
      dot.className = 'err-status-dot err-status-dot--' + (r.still_404 ? 'active' : 'ok');
      dot.title = r.still_404 ? 'Toujours actif' : 'Résolu';
    });
  });

  function escHtml(s) {
    return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');
  }
  function trimUrl(u) {
    try { const p = new URL(u); return p.hostname + (p.pathname !== '/' ? p.pathname : ''); }
    catch { return u.length > 40 ? u.slice(0,40)+'…' : u; }
  }
})();
</script>
{% endblock %}