//go:build arm || 386 || (openbsd && amd64)

package pebble

import (
	"errors"

	"github.com/ipfs-cluster/ipfs-cluster/config"
	ds "github.com/ipfs/go-datastore"
)

// ErrUnsupported is returned when trying to do something with this datastore
// backend.
var ErrUnsupported = errors.New("Pebble is unsupported in this OS/arch combination")

const configKey = "pebble"
const envConfigKey = "cluster_pebble"

// Config is a placeholder object for architectures where pebble is unsupported.
type Config struct {
	config.Saver
}

// ConfigKey returns a human-friendly identifier for this type of Datastore.
func (cfg *Config) ConfigKey() string {
	return configKey
}

// Default initializes this Config with sensible values.
func (cfg *Config) Default() error {
	return nil
}

// ApplyEnvVars fills in any Config fields found as environment variables.
func (cfg *Config) ApplyEnvVars() error {
	return nil
}

// Validate checks that the fields of this Config have working values,
// at least in appearance.
func (cfg *Config) Validate() error {
	return nil
}

// LoadJSON reads the fields of this Config from a JSON byteslice as
// generated by ToJSON.
func (cfg *Config) LoadJSON(raw []byte) error {
	return nil
}

// ToJSON generates a JSON-formatted human-friendly representation of this
// Config.
func (cfg *Config) ToJSON() (raw []byte, err error) {
	return []byte("{}"), nil
}

// GetFolder returns the Pebble folder.
func (cfg *Config) GetFolder() string {
	return ""
}

// ToDisplayJSON returns JSON config as a string.
func (cfg *Config) ToDisplayJSON() ([]byte, error) {
	return nil, nil
}

// New returns always ErrUnsupported
func New(cfg *Config) (ds.Datastore, error) {
	return nil, ErrUnsupported
}

// Cleanup does nothing
func Cleanup(cfg *Config) error {
	return ErrUnsupported
}