storage

type CardRepo interface {
	Repo[value.Card]

	ListAllInDeck(ctx context.Context, deck value.Deck) ([]value.Card, error)

	FindAll(ctx context.Context, front, back string) ([]value.Card, error)
	FindAllInDeck(ctx context.Context, front, back string, deck value.Deck) ([]value.Card, error)
	FindAllByFront(ctx context.Context, front string) ([]value.Card, error)
	FindAllByFrontInDeck(ctx context.Context, front string, deck value.Deck) ([]value.Card, error)

	DeleteAllInDeck(ctx context.Context, deck value.Deck) error
}

type DeckRepo interface {
	Repo[value.Deck]

	FindByName(ctx context.Context, name string) (*value.Deck, error)
}

type Repo[T any] interface {
	ListAll(ctx context.Context) ([]T, error)

	FindByID(ctx context.Context, id string) (*T, error)

	Save(ctx context.Context, item T) (*T, error)

	Delete(ctx context.Context, item T) error
}

type Storage interface {
	// GetCardRepo should return stored CardRepo implementation.
	GetCardRepo() CardRepo
	// GetDeckRepo should return stored DeckRepo implementation.
	GetDeckRepo() DeckRepo
	// Close gently closes living connection to datasource(if there is some).
	Close() error
}