// Shopify webhook endpoints
const webhooks = {
  "orders/create": "https://api.loyalty.lt/webhooks/shopify/order-created",
  "orders/updated": "https://api.loyalty.lt/webhooks/shopify/order-updated",
  "customers/create": "https://api.loyalty.lt/webhooks/shopify/customer-created",
  "customers/update": "https://api.loyalty.lt/webhooks/shopify/customer-updated"
};

{
  "field_mapping": {
    "shopify_customer_id": "external_id",
    "email": "email",
    "first_name": "first_name",
    "last_name": "last_name",
    "phone": "phone",
    "birthday": "birth_date",
    "accepts_marketing": "marketing_consent"
  }
}

<!-- Order confirmation page -->
{% if order.customer %}
  <div class="points-earned">
    <h4>🎉 You earned {{ order.total_price | times: 1 | round }} points!</h4>
    <p>Total points: {{ customer.metafields.loyalty.points }}</p>
  </div>
{% endif %}

// Award bonus points
LoyaltySDK.awardPoints({
  customerId: customer.id,
  points: 50,
  reason: 'Product review',
  orderId: order.id
});

<!-- Cart page -->
{% if customer and customer.metafields.loyalty.points > 0 %}
  <div class="loyalty-redemption">
    <h4>Use {{ customer.metafields.loyalty.points }} points</h4>
    <button onclick="applyLoyaltyDiscount()">Apply ${{ customer.metafields.loyalty.points | divided_by: 100 }} discount</button>
  </div>
{% endif %}

function applyLoyaltyDiscount() {
  LoyaltySDK.redeemPoints({
    customerId: customer.id,
    points: pointsToRedeem,
    orderId: cart.token,
    onSuccess: function(discount) {
      // Apply discount code to cart
      applyShopifyDiscount(discount.code);
    }
  });
}

// Loyalty impact report
const report = await LoyaltySDK.getReport({
  type: 'loyalty_impact',
  dateRange: '30d',
  metrics: ['revenue', 'orders', 'redemptions']
});

// Customer segmentation
const segments = await LoyaltySDK.getCustomerSegments({
  criteria: {
    points_range: [1000, 5000],
    tier: 'gold',
    last_purchase: '30d'
  }
});

<!-- Add to theme.liquid -->
<div id="loyalty-widget" 
     data-shop-id="{{ shop.permanent_domain }}"
     data-customer-id="{% if customer %}{{ customer.id }}{% endif %}">
</div>

<script src="https://cdn.loyalty.lt/shopify-widget.js"></script>

<!-- Product page points preview -->
{% assign points_earned = product.price | times: 1 | round %}
<div class="points-preview">
  <span>Earn {{ points_earned }} points with this purchase</span>
</div>

<!-- Loyalty balance -->
{{ customer | loyalty_points }}

<!-- Points earning preview -->
{{ product.price | points_preview }}

<!-- Tier status -->
{{ customer | loyalty_tier }}

<!-- Redemption options -->
{% loyalty_redemptions customer %}

// Cache customer loyalty data
const cache = {
  duration: 300, // 5 minutes
  keys: ['points', 'tier', 'available_rewards']
};

LoyaltySDK.configure({
  cache: cache,
  lazy_load: true
});

<!-- Lazy load loyalty widget -->
<script async defer src="https://cdn.loyalty.lt/shopify-widget.js"></script>

<!-- Critical CSS for loyalty elements -->
<style>
.loyalty-widget { display: none; }
.loyalty-widget.loaded { display: block; }
</style>

// Webhook verification
const crypto = require('crypto');

function verifyWebhook(payload, signature) {
  const hmac = crypto.createHmac('sha256', process.env.LOYALTY_WEBHOOK_SECRET);
  hmac.update(payload);
  const calculatedSignature = hmac.digest('base64');
  
  return crypto.timingSafeEqual(
    Buffer.from(signature),
    Buffer.from(calculatedSignature)
  );
}

// Import existing customer data
const migrationData = {
  customers: [
    {
      shopify_id: 'customer_123',
      email: 'customer@example.com',
      points: 1500,
      tier: 'gold',
      transactions: []
    }
  ]
};

LoyaltySDK.migrate.importData(migrationData);

// Export loyalty data
const exportData = await LoyaltySDK.export.customerData({
  format: 'csv',
  fields: ['email', 'points', 'tier', 'lifetime_value']
});

// Configure multiple Shopify stores
LoyaltySDK.configure({
  stores: [
    { id: 'store1', domain: 'store1.myshopify.com' },
    { id: 'store2', domain: 'store2.myshopify.com' }
  ],
  shared_loyalty: true
});

// Custom loyalty rules
LoyaltySDK.extend({
  customRule: function(order, customer) {
    // Custom point calculation logic
    if (customer.tier === 'vip') {
      return order.total * 2; // Double points for VIP
    }
    return order.total;
  }
});

// Automated campaigns
LoyaltySDK.automation.create({
  trigger: 'birthday',
  action: 'award_points',
  points: 100,
  message: 'Happy Birthday! Here are 100 bonus points!'
});