package key_value

import (
	"context"
	"time"
	"universe.mrlokop.dev/core/errors"
)

var (
	ErrNoSuchKey = errors.Type("ErrNoSuchKey", "no such key")
)

type Capability uint8

const (
	CapabilityTTL Capability = iota
)

type KeyValueProvider interface {
	HasCapability(capability Capability) bool

	ProvideBinary(prefix string) (KeyValueStoreBinary, error)
	ProvideString(prefix string) (KeyValueStoreString, error)
}

type KeyValueStore[T any] interface {
	HasCapability(capability Capability) bool

	Get(ctx context.Context, key string) (T, error)
	Has(ctx context.Context, key string) (bool, error)

	Set(ctx context.Context, key string, value T) error
	SetWithExpiration(ctx context.Context, key string, value T, expiresAt time.Time) error

	SetIfNotExist(ctx context.Context, key string, value T) (bool, error)
	SetIfNotExistWithExpiration(ctx context.Context, key string, value T, expiration time.Time) (bool, error)

	ExpireAt(ctx context.Context, key string, expiration time.Time) error

	Remove(ctx context.Context, key string) error
}

type KeyValueStoreBinary KeyValueStore[[]byte]
type KeyValueStoreString KeyValueStore[string]