// ============================================
// SYSTÈME DE VALIDATION DE LICENCE
// ============================================

const LICENSE_STORAGE_KEY = 'git_pusher_license';

function initializeLicense() {
  console.log("Initializing license system...");
  
  // Vérifier si une licence est déjà stockée
  const storedLicense = getCookie(LICENSE_STORAGE_KEY);
  
  if (storedLicense) {
    // Valider la licence stockée
    validateStoredLicense(storedLicense);
    // Afficher les infos de licence
    displayLicenseInfo(storedLicense);
  } else {
    // Afficher la page de licence
    showLicenseModal();
  }
}

function displayLicenseInfo(license) {
  console.log("Displaying license info...");
  
  // Chercher le container du badge
  const container = document.getElementById('license-badge-container');
  if (!container) {
    console.error("license-badge-container not found");
    return;
  }
  
  // Créer le badge
  const badge = document.createElement('div');
  badge.id = 'license-badge';
  badge.style.cssText = `
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    min-width: 200px;
  `;
  
  let badgeText = '✓ Licence Activée';
  
  // Si c'est une licence d'essai
  if (license.startsWith('TRIAL-')) {
    const daysRemaining = getTrialDaysRemaining(license);
    
    if (daysRemaining <= 0) {
      badgeText = '⏱️ Essai expiré';
      badge.style.background = 'linear-gradient(135deg, #f44336 0%, #da190b 100%)';
    } else if (daysRemaining <= 2) {
      badgeText = `⚠️ ${daysRemaining} jour${daysRemaining > 1 ? 's' : ''} restant${daysRemaining > 1 ? 's' : ''}`;
      badge.style.background = 'linear-gradient(135deg, #ff9800 0%, #f57c00 100%)';
    } else {
      badgeText = `⏱️ Essai: ${daysRemaining} jours`;
    }
  }
  
  badge.textContent = badgeText;
  badge.onclick = function() {
    alert('Licence: ' + license.substring(0, 50) + '...\n\nClique sur le logo pour gérer ta licence.');
  };
  
  container.appendChild(badge);
  
  // Ajouter un hover effect
  badge.addEventListener('mouseenter', function() {
    this.style.transform = 'translateY(-3px)';
    this.style.boxShadow = '0 6px 25px rgba(102, 126, 234, 0.5)';
  });
  
  badge.addEventListener('mouseleave', function() {
    this.style.transform = 'translateY(0)';
    this.style.boxShadow = '0 4px 15px rgba(102, 126, 234, 0.3)';
  });
}

function getTrialDaysRemaining(trialLicense) {
  // Extraire le timestamp du license (format: TRIAL-timestamp)
  const parts = trialLicense.split('-');
  if (parts.length !== 2) return 0;
  
  const timestamp = parseInt(parts[1]);
  if (isNaN(timestamp)) return 0;
  
  // Créer la date de création
  const createdDate = new Date(timestamp);
  
  // Ajouter 7 jours
  const expirationDate = new Date(createdDate.getTime() + (7 * 24 * 60 * 60 * 1000));
  
  // Calculer les jours restants
  const now = new Date();
  const daysRemaining = Math.ceil((expirationDate - now) / (1000 * 60 * 60 * 24));
  
  console.log("Trial created:", createdDate);
  console.log("Trial expires:", expirationDate);
  console.log("Days remaining:", daysRemaining);
  
  return Math.max(0, daysRemaining);
}

function showLicenseModal() {
  console.log("Showing license modal");
  
  // Créer le modal HTML
  const modal = document.createElement('div');
  modal.id = 'license-modal';
  modal.style.cssText = `
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  `;
  
  const content = document.createElement('div');
  content.style.cssText = `
    background: white;
    border-radius: 16px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  `;
  
  content.innerHTML = `
    <div style="text-align: center; margin-bottom: 30px;">
      <h1 style="font-size: 32px; margin: 0 0 10px 0; color: #333;">🔐 Git Pusher</h1>
      <p style="color: #666; margin: 0; font-size: 14px;">Activation de licence requise</p>
    </div>
    
    <div style="background: #f5f7ff; padding: 15px; border-radius: 8px; margin-bottom: 25px; border-left: 4px solid #667eea;">
      <p style="margin: 0; color: #667eea; font-weight: 500; font-size: 13px;">
        📋 <strong>Hostname détecté:</strong> <span id="detected-hostname">Chargement...</span>
      </p>
    </div>
    
    <div style="margin-bottom: 20px;">
      <label style="display: block; font-weight: 600; color: #333; margin-bottom: 8px;">
        Entrez votre clé de licence
      </label>
      <textarea id="license-input" placeholder="Collez votre clé de licence ici..." style="
        width: 100%;
        padding: 12px;
        border: 2px solid #e0e0e0;
        border-radius: 8px;
        font-family: 'Courier New', monospace;
        font-size: 12px;
        resize: vertical;
        min-height: 100px;
        box-sizing: border-box;
      "></textarea>
      <small style="color: #999; display: block; margin-top: 8px;">
        Vous n'avez pas de licence? <a href="#" onclick="showGeneratorInfo(); return false;" style="color: #667eea; text-decoration: none;">Cliquez ici</a>
      </small>
    </div>
    
    <div id="license-message" style="display: none; padding: 12px; border-radius: 8px; margin-bottom: 20px; font-size: 14px;"></div>
    
    <div style="display: flex; gap: 10px;">
      <button onclick="validateLicenseInput()" style="
        flex: 1;
        padding: 12px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border: none;
        border-radius: 8px;
        font-weight: 600;
        cursor: pointer;
        font-size: 14px;
        transition: all 0.3s ease;
      ">Activer la licence</button>
      <button onclick="skipLicense()" style="
        flex: 1;
        padding: 12px;
        background: #f5f7ff;
        color: #667eea;
        border: 2px solid #667eea;
        border-radius: 8px;
        font-weight: 600;
        cursor: pointer;
        font-size: 14px;
        transition: all 0.3s ease;
      ">Essai gratuit (7 jours)</button>
    </div>
  `;
  
  modal.appendChild(content);
  document.body.appendChild(modal);
  
  // Afficher le hostname
  getHostname().then(hostname => {
    document.getElementById('detected-hostname').textContent = hostname;
  });
}

function showGeneratorInfo() {
  alert(`Pour générer une clé de licence, exécutez sur le serveur Splunk:

python /opt/splunk/etc/apps/pusher_app/bin/license_generator.py

Cela générera une clé basée sur votre hostname.`);
}

function getHostname() {
  return new Promise((resolve) => {
    fetch('/en-US/splunkd/__raw/services/server/info?output_mode=json')
      .then(r => r.json())
      .then(d => {
        const hostname = d.entry?.[0]?.content?.host || 'unknown';
        resolve(hostname);
      })
      .catch(() => resolve('unknown'));
  });
}

function validateLicenseInput() {
  const licenseInput = document.getElementById('license-input').value.trim();
  
  if (!licenseInput) {
    showLicenseMessage('Veuillez entrer une clé de licence', 'error');
    return;
  }
  
  // Afficher le message de chargement
  showLicenseMessage('Validation en cours...', 'info');
  
  // Simuler la validation (en production, faire un appel à un serveur)
  // Pour l'instant, on accepte juste n'importe quelle licence
  if (licenseInput.length > 20) {
    // Stocker la licence
    setCookie(LICENSE_STORAGE_KEY, licenseInput, 365);
    
    showLicenseMessage('✓ Licence activée avec succès!', 'success');
    
    setTimeout(() => {
      closeLicenseModal();
      // Afficher les infos de licence
      displayLicenseInfo(licenseInput);
    }, 1500);
  } else {
    showLicenseMessage('Format de licence invalide', 'error');
  }
}

function skipLicense() {
  // Créer une licence d'essai avec timestamp (format: TRIAL-timestamp)
  const trialLicense = 'TRIAL-' + Date.now();
  setCookie(LICENSE_STORAGE_KEY, trialLicense, 7);
  
  const messageEl = document.getElementById('license-message');
  messageEl.style.display = 'block';
  messageEl.style.background = '#fff3cd';
  messageEl.style.color = '#856404';
  messageEl.style.border = '1px solid #ffeaa7';
  messageEl.textContent = '⏱️ Mode essai activé pour 7 jours';
  
  setTimeout(() => {
    closeLicenseModal();
    // Afficher les infos de licence
    displayLicenseInfo(trialLicense);
  }, 1500);
}

function showLicenseMessage(message, type) {
  const messageEl = document.getElementById('license-message');
  messageEl.style.display = 'block';
  messageEl.textContent = message;
  
  if (type === 'success') {
    messageEl.style.background = '#d4edda';
    messageEl.style.color = '#155724';
    messageEl.style.border = '1px solid #c3e6cb';
  } else if (type === 'error') {
    messageEl.style.background = '#f8d7da';
    messageEl.style.color = '#721c24';
    messageEl.style.border = '1px solid #f5c6cb';
  } else if (type === 'info') {
    messageEl.style.background = '#d1ecf1';
    messageEl.style.color = '#0c5460';
    messageEl.style.border = '1px solid #bee5eb';
  }
}

function validateStoredLicense(license) {
  console.log("Validating stored license...");
  
  // Pour l'instant, accepter simplement la licence stockée
  // En production, faire une validation serveur
  if (license && license.length > 5) {
    console.log("License is valid");
    return true;
  }
  
  // Si invalide, afficher le modal à nouveau
  showLicenseModal();
  return false;
}

function closeLicenseModal() {
  const modal = document.getElementById('license-modal');
  if (modal) {
    modal.remove();
  }
}

function checkLicenseBeforePush() {
  const license = getCookie(LICENSE_STORAGE_KEY);
  
  if (!license) {
    alert('Veuillez d\'abord activer une licence');
    showLicenseModal();
    return false;
  }
  
  // Vérifier si c'est une licence d'essai expirée
  if (license.startsWith('TRIAL-')) {
    // À implémenter : vérifier la date
  }
  
  return true;
}

// ============================================
// FONCTIONS UTILITAIRES DE COOKIE
// ============================================

function setCookie(name, value, days) {
  const d = new Date();
  d.setTime(d.getTime() + (days * 24 * 60 * 60 * 1000));
  const expires = "expires=" + d.toUTCString();
  document.cookie = name + "=" + encodeURIComponent(value) + ";" + expires + ";path=/";
  console.log("Cookie set: " + name);
}

function getCookie(name) {
  const nameEQ = name + "=";
  const ca = document.cookie.split(';');
  for (let i = 0; i < ca.length; i++) {
    let c = ca[i].trim();
    if (c.indexOf(nameEQ) === 0) {
      return decodeURIComponent(c.substring(nameEQ.length));
    }
  }
  return "";
}

function deleteCookie(name) {
  setCookie(name, "", -1);
  console.log("Cookie deleted: " + name);
}