MailerLite

function handler(webhook) {
  if (webhook.eventType === "payment.succeeded") {
    const p = webhook.payload.data;
    webhook.url = "https://connect.mailerlite.com/api/subscribers";
    webhook.payload = {
      email: p.customer.email,
      fields: {
        name: p.customer.name,
        last_name: ""
      },
      groups: ["your-group-id-here"],
      status: "active"
    };
  }
  return webhook;
}

function handler(webhook) {
  if (webhook.eventType === "payment.succeeded") {
    const p = webhook.payload.data;
    
    // Determine groups based on product or amount
    const groups = ["customers-group-id"];
    
    // Add to premium group if high-value purchase
    if (p.total_amount >= 10000) { // $100+
      groups.push("premium-customers-group-id");
    }
    
    webhook.url = "https://connect.mailerlite.com/api/subscribers";
    webhook.payload = {
      email: p.customer.email,
      fields: {
        name: p.customer.name,
        last_purchase_amount: (p.total_amount / 100).toFixed(2),
        last_purchase_date: new Date(webhook.payload.timestamp).toISOString().split('T')[0],
        payment_id: p.payment_id
      },
      groups: groups,
      status: "active"
    };
  }
  return webhook;
}

function handler(webhook) {
  if (webhook.eventType === "subscription.active") {
    const s = webhook.payload.data;
    webhook.url = "https://connect.mailerlite.com/api/subscribers";
    webhook.payload = {
      email: s.customer.email,
      fields: {
        name: s.customer.name,
        subscription_plan: s.product_id,
        subscription_amount: (s.recurring_pre_tax_amount / 100).toFixed(2),
        billing_frequency: s.payment_frequency_interval,
        subscription_start: new Date().toISOString().split('T')[0]
      },
      groups: ["subscribers-group-id", "active-subscriptions-group-id"],
      status: "active"
    };
  }
  return webhook;
}

function handler(webhook) {
  if (webhook.eventType === "subscription.cancelled") {
    const s = webhook.payload.data;
    // POST upserts by email; PUT needs the MailerLite subscriber ID
    webhook.url = "https://connect.mailerlite.com/api/subscribers";
    webhook.payload = {
      email: s.customer.email,
      fields: {
        subscription_status: "cancelled",
        cancellation_date: new Date().toISOString().split('T')[0]
      },
      groups: ["churned-customers-group-id"]
    };
  }
  return webhook;
}

function handler(webhook) {
  if (webhook.eventType === "payment.succeeded") {
    const p = webhook.payload.data;
    webhook.url = "https://connect.mailerlite.com/api/subscribers";
    webhook.payload = {
      email: p.customer.email,
      fields: {
        name: p.customer.name,
        country: p.billing?.country || "",
        city: p.billing?.city || "",
        phone: p.customer.phone_number || "",
        // Custom fields (must be created in MailerLite first)
        total_spent: (p.total_amount / 100).toFixed(2),
        customer_since: new Date().toISOString().split('T')[0],
        payment_method: p.payment_method || "unknown",
        currency: p.currency || "USD"
      },
      groups: ["paying-customers-group-id"],
      status: "active",
      subscribed_at: new Date().toISOString().replace('T', ' ').split('.')[0]
    };
  }
  return webhook;
}

function handler(webhook) {
  if (webhook.eventType === "payment.succeeded") {
    const p = webhook.payload.data;
    
    // First, ensure subscriber exists
    webhook.url = "https://connect.mailerlite.com/api/subscribers";
    webhook.payload = {
      email: p.customer.email,
      fields: {
        name: p.customer.name,
        // Add a trigger field that your automation watches
        last_payment_trigger: new Date().toISOString(),
        last_payment_amount: (p.total_amount / 100).toFixed(2)
      },
      status: "active"
    };
    
    // Tip: Create an automation in MailerLite that triggers
    // when 'last_payment_trigger' field is updated
  }
  return webhook;
}