// Store claim for later reference
const storeClaimLocally = (claim) => {
  const claims = JSON.parse(localStorage.getItem('my_claims') || '[]');
  claims.push({
    id: claim.id,
    code: claim.claim_code,
    expires: claim.expires_at,
    offer_title: offer.title
  });
  localStorage.setItem('my_claims', JSON.stringify(claims));
};

// Check expiring claims
const checkExpiringClaims = () => {
  const claims = JSON.parse(localStorage.getItem('my_claims') || '[]');
  const soon = new Date(Date.now() + 7 * 24 * 60 * 60 * 1000); // 7 days
  
  return claims.filter(claim => 
    new Date(claim.expires) < soon && 
    new Date(claim.expires) > new Date()
  );
};

// Validate claim before use
const validateClaim = async (claimCode) => {
  const response = await fetch(`/en/shop/claims/${claimCode}/validate`);
  const data = await response.json();
  
  return {
    isValid: data.success,
    status: data.data?.status,
    expiresAt: data.data?.expires_at
  };
};

if (error.code === 'INSUFFICIENT_POINTS') {
  // Show points needed vs. available
  const needed = offer.points_required;
  const available = user.points_balance;
  const shortfall = needed - available;
  
  showMessage(`You need ${shortfall} more points to claim this offer.`);
  showEarnPointsOptions();
}

if (error.code === 'TIER_REQUIREMENT_NOT_MET') {
  const requiredTier = offer.minimum_tier;
  const currentTier = user.tier;
  
  showUpgradePath(currentTier, requiredTier);
}

if (error.code === 'OFFER_ALREADY_CLAIMED') {
  // Redirect to claimed offers list
  navigateToClaimedOffers();
  showMessage('You\'ve already claimed this offer. Check your claimed offers.');
}