package mail

// SendCancelled confirms a cancellation and states what stays true: the licence
// keeps working until it expires, then the instance degrades to read-only.
func (s Sender) SendCancelled(to, instanceName string) error {
	return s.sendTemplate(to, "", "cancelled", s.billingData(instanceName))
}

// SendPastDue notifies of a failed charge without alarming: the licence is
// untouched while Paddle retries the card.
func (s Sender) SendPastDue(to, instanceName string) error {
	return s.sendTemplate(to, "", "pastdue", s.billingData(instanceName))
}

func (s Sender) billingData(instanceName string) any {
	return struct {
		InstanceName string
		PortalURL    string
	}{instanceName, s.PublicURL}
}