package pin

import "context"

type Data struct {
	Subject            string   `json:"sub"`
	Hash               string   `json:"hash"`
	LastUpdated        int64    `json:"last_updated"`
	NumOfWrongAttempts int8     `json:"num_of_wrong_attempts"`
	PreviousPins       []string `json:"previous_pins"`
}

type Storage interface {
	SavePIN(ctx context.Context, userID string, pin string) error
	LoginWithPIN(ctx context.Context, userID string, pin string) (*Data, error)
	IsOffline() bool
}