credit

type BalanceConnector interface {
	GetBalanceOfOwner(ctx context.Context, owner grant.NamespacedOwner, at time.Time) (*balance.Snapshot, error)
	GetBalanceHistoryOfOwner(ctx context.Context, owner grant.NamespacedOwner, params BalanceHistoryParams) (engine.GrantBurnDownHistory, error)
	ResetUsageForOwner(ctx context.Context, owner grant.NamespacedOwner, params ResetUsageForOwnerParams) (balanceAfterReset *balance.Snapshot, err error)
}

type BalanceHistoryParams struct {
	From time.Time
	To   time.Time
}

type CreateGrantInput struct {
	Amount           float64
	Priority         uint8
	EffectiveAt      time.Time
	Expiration       grant.ExpirationPeriod
	Metadata         map[string]string
	ResetMaxRollover float64
	ResetMinRollover float64
	Recurrence       *recurrence.Recurrence
}

type CreditConnector interface {
	BalanceConnector
	GrantConnector
}

type GrantConnector interface {
	CreateGrant(ctx context.Context, owner grant.NamespacedOwner, grant CreateGrantInput) (*grant.Grant, error)
	VoidGrant(ctx context.Context, grantID models.NamespacedID) error
}

type GrantNotFoundError struct {
	GrantID string
}

type ResetUsageForOwnerParams struct {
	At              time.Time
	RetainAnchor    bool
	PreserveOverage bool
}