//go:build billing

package billing

// Stripe webhook event types the appview subscribes to.
//
// When adding or removing an entry here, update four places:
//  1. The switch in HandleWebhook (billing.go)
//  2. The SubscribedEvents slice below
//  3. The Stripe Dashboard endpoint subscription list
//  4. docs/BILLING.md "Webhook Events" table
const (
	// EventCheckoutSessionCompleted fires when a customer finishes Stripe Checkout.
	// No-op handler: customer.subscription.created does the actual tier work.
	EventCheckoutSessionCompleted = "checkout.session.completed"

	// EventSubscriptionCreated fires on initial subscription creation.
	EventSubscriptionCreated = "customer.subscription.created"

	// EventSubscriptionUpdated fires on plan change, renewal, status transition.
	// Workhorse event: covers active→past_due, past_due→unpaid, resumes, plan
	// upgrades/downgrades, etc.
	EventSubscriptionUpdated = "customer.subscription.updated"

	// EventSubscriptionDeleted fires when the subscription is fully canceled.
	EventSubscriptionDeleted = "customer.subscription.deleted"

	// EventSubscriptionPaused fires when a trial ended without a payment method.
	EventSubscriptionPaused = "customer.subscription.paused"

	// EventSubscriptionResumed fires when a paused subscription resumes.
	EventSubscriptionResumed = "customer.subscription.resumed"

	// EventInvoicePaymentFailed fires when a card declines (initial or renewal).
	// Logged only. Stripe Smart Retries handle retries and email the customer.
	// Tier stays put; subscription.updated handles past_due/unpaid transitions.
	EventInvoicePaymentFailed = "invoice.payment_failed"

	// EventChargeDisputeCreated fires when a chargeback is opened.
	// Logged only. Stripe emails the account owner about disputes by default.
	EventChargeDisputeCreated = "charge.dispute.created"
)

// SubscribedEvents is the full set of events that must be enabled on the
// Stripe Dashboard webhook endpoint. Use this when configuring a new endpoint
// or auditing an existing one.
var SubscribedEvents = []string{
	EventCheckoutSessionCompleted,
	EventSubscriptionCreated,
	EventSubscriptionUpdated,
	EventSubscriptionDeleted,
	EventSubscriptionPaused,
	EventSubscriptionResumed,
	EventInvoicePaymentFailed,
	EventChargeDisputeCreated,
}