package docker

type DeviceSet interface {
	AddDevice(hash, baseHash string) error
	SetInitialized(hash string) error
	DeactivateDevice(hash string) error
	RemoveDevice(hash string) error
	MountDevice(hash, path string) error
	UnmountDevice(hash, path string) error
	HasDevice(hash string) bool
	HasInitializedDevice(hash string) bool
}

type DeviceSetWrapper struct {
	wrapped DeviceSet
	prefix string
}

func (wrapper *DeviceSetWrapper) wrap(hash string) string {
	if hash != "" {
		hash = wrapper.prefix + "-" + hash
	}
	return hash
}


func (wrapper *DeviceSetWrapper) AddDevice(hash, baseHash string) error {
	return wrapper.wrapped.AddDevice(wrapper.wrap(hash), wrapper.wrap(baseHash))
}

func (wrapper *DeviceSetWrapper) SetInitialized(hash string) error {
	return wrapper.wrapped.SetInitialized(wrapper.wrap(hash))
}

func (wrapper *DeviceSetWrapper) DeactivateDevice(hash string) error {
	return wrapper.wrapped.DeactivateDevice(wrapper.wrap(hash))
}

func (wrapper *DeviceSetWrapper) RemoveDevice(hash string) error {
	return wrapper.wrapped.RemoveDevice(wrapper.wrap(hash))
}

func (wrapper *DeviceSetWrapper) MountDevice(hash, path string) error {
	return wrapper.wrapped.MountDevice(wrapper.wrap(hash), path)
}

func (wrapper *DeviceSetWrapper) UnmountDevice(hash, path string) error {
	return wrapper.wrapped.UnmountDevice(wrapper.wrap(hash), path)
}

func (wrapper *DeviceSetWrapper) HasDevice(hash string) bool {
	return wrapper.wrapped.HasDevice(wrapper.wrap(hash))
}

func (wrapper *DeviceSetWrapper) HasInitializedDevice(hash string) bool {
	return wrapper.wrapped.HasInitializedDevice(wrapper.wrap(hash))
}

func NewDeviceSetWrapper(wrapped DeviceSet, prefix string) DeviceSet {
	wrapper := &DeviceSetWrapper{
		wrapped: wrapped,
		prefix: prefix,
	}
	return wrapper
}