// Certificates UI functions
function regenerateCA() {
  if (window.showConfirm) {
    window.showConfirm('Regenerate Root CA?', async () => {
      try {
        const response = await fetch('/api/regenerate-ca', { method: 'POST' });
        if (!response.ok) {
          throw new Error(await response.text());
        }
        if (window.showNotification) window.showNotification('Root CA regenerated successfully');
        if (window.genericFetch) window.genericFetch('certs', true);
      } catch (err) {
        console.error('Failed to regenerate CA:', err);
        if (window.showNotification) window.showNotification('Failed to regenerate CA: ' + err.message, 'error');
      }
    });
  }
}

function installCA() {
  if (window.showConfirm) {
    window.showConfirm('Install Root CA?', async () => {
      try {
        const response = await fetch('/api/install-ca', { method: 'POST' });
        if (!response.ok) {
          throw new Error(await response.text());
        }
        if (window.showNotification) window.showNotification('Root CA installed successfully');
      } catch (err) {
        console.error('Failed to install CA:', err);
        if (window.showNotification) window.showNotification('Failed to install CA: ' + err.message, 'error');
      }
    });
  }
}

async function generateCert() {
  const domainEl = document.getElementById('cert-domain');
  if (!domainEl) return;
  const domain = domainEl.value;
  try {
    const response = await fetch('/api/generate-cert', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ domain })
    });
    if (!response.ok) {
      throw new Error(await response.text());
    }
    if (window.showNotification) window.showNotification('Certificate generated successfully');
    if (window.genericFetch) window.genericFetch('certs', true);
  } catch (err) {
    console.error('Failed to generate cert:', err);
    if (window.showNotification) window.showNotification('Failed to generate cert: ' + err.message, 'error');
  }
}

function deleteCert(domain) {
  if (window.showConfirm) {
    window.showConfirm(`Delete certificate for ${domain}?`, async () => {
      try {
        const response = await fetch('/api/delete-cert', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ domain })
        });
        if (!response.ok) {
          throw new Error(await response.text());
        }
        if (window.showNotification) window.showNotification('Certificate deleted successfully');
        if (window.genericFetch) window.genericFetch('certs', true);
      } catch (err) {
        console.error('Failed to delete cert:', err);
        if (window.showNotification) window.showNotification('Failed to delete cert: ' + err.message, 'error');
      }
    });
  }
}

function regenerateCert(domain) {
  if (window.showConfirm) {
    window.showConfirm(`Regenerate certificate for ${domain}?`, async () => {
      try {
        const response = await fetch('/api/regenerate-cert', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ domain })
        });
        if (!response.ok) {
          throw new Error(await response.text());
        }
        if (window.showNotification) window.showNotification('Certificate regenerated successfully');
        if (window.genericFetch) window.genericFetch('certs', true);
      } catch (err) {
        console.error('Failed to regenerate cert:', err);
        if (window.showNotification) window.showNotification('Failed to regenerate cert: ' + err.message, 'error');
      }
    });
  }
}

async function showCertDetails(domain) {
  try {
    const res = await fetch(`/api/cert-details?domain=${encodeURIComponent(domain)}`);
    if (!res.ok) {
      throw new Error(await res.text());
    }
    const data = await res.text();
    const formatted = formatCertificate(data);
    const contentEl = document.getElementById('cert-details-content');
    const modal = document.getElementById('certDetailsModal');
    if (contentEl) contentEl.textContent = formatted;
    if (modal) modal.showModal();
  } catch (err) {
    console.error('Failed to fetch cert details:', err);
    if (window.showNotification) window.showNotification('Failed to load certificate details: ' + err.message, 'error');
  }
}

function formatCertificate(certPem) {
  return certPem.replace(/(-----BEGIN CERTIFICATE-----)/g, '\n$1\n')
    .replace(/(-----END CERTIFICATE-----)/g, '\n$1\n')
    .trim();
}

function copyCertDetails() {
  const contentEl = document.getElementById('cert-details-content');
  if (!contentEl) return;
  const content = contentEl.textContent;
  navigator.clipboard.writeText(content).then(() => {
    if (window.showNotification) window.showNotification('Certificate details copied to clipboard', 'success');
  }).catch(err => {
    console.error('Failed to copy:', err);
    if (window.showNotification) window.showNotification('Failed to copy certificate details', 'error');
  });
}

window.regenerateCA = regenerateCA;
window.installCA = installCA;
window.generateCert = generateCert;
window.deleteCert = deleteCert;
window.regenerateCert = regenerateCert;
window.showCertDetails = showCertDetails;
window.formatCertificate = formatCertificate;
window.copyCertDetails = copyCertDetails;