package twitch

// EventSub is the wire format of incoming payloads from Twitch EventSub.
type EventSub[Event any] struct {
	// Subscription is fields relating to the EventSub subscription itself.
	Subscription Subscription `json:"subscription"`
	// Event is the event payload.
	Event Event `json:"event"`
	// Challenge is payload for verification challenges.
	Challenge string `json:"challenge"`
}

// Subscription is the fields of an EventSub subscription
// which are relevant to Kaiyan.
type Subscription struct {
	// Status is the subscription status.
	// For revocation messages, this holds the reason for revocation.
	Status string `json:"status"`
}

// EventSub message types.
const (
	Notification = "notification"
	Verification = "webhook_callback_verification"
	Revocation   = "revocation"
)