// EnvironConfig returns the current environment's configuration.
func (e *EnvironWatcher) EnvironConfig() (params.EnvironConfigResult, error) {
	result := params.EnvironConfigResult{}

	config, err := e.st.EnvironConfig()
	if err != nil {
		return result, err
	}
	allAttrs := config.AllAttrs()

	if !e.authorizer.AuthEnvironManager() {
		// Mask out any secrets in the environment configuration
		// with values of the same type, so it'll pass validation.
		//
		// TODO(dimitern) 201309-26 bug #1231384
		// Delete the code below and mark the bug as fixed,
		// once it's live tested on MAAS and 1.16 compatibility
		// is dropped.
		provider, err := environs.Provider(config.Type())
		if err != nil {
			return result, err
		}
		secretAttrs, err := provider.SecretAttrs(config)
		for k := range secretAttrs {
			allAttrs[k] = "not available"
		}
	}
	result.Config = allAttrs
	return result, nil
}

// EnvironConfig returns the environment's configuration.
func (u *UndertakerAPI) EnvironConfig() (params.EnvironConfigResult, error) {
	result := params.EnvironConfigResult{}

	config, err := u.st.EnvironConfig()
	if err != nil {
		return result, err
	}
	allAttrs := config.AllAttrs()
	result.Config = allAttrs
	return result, nil
}

// ConfigSkeleton returns config values to be used as a starting point for the
// API caller to construct a valid environment specific config.  The provider
// and region params are there for future use, and current behaviour expects
// both of these to be empty.
func (em *EnvironmentManagerAPI) ConfigSkeleton(args params.EnvironmentSkeletonConfigArgs) (params.EnvironConfigResult, error) {
	var result params.EnvironConfigResult
	if args.Provider != "" {
		return result, errors.NotValidf("provider value %q", args.Provider)
	}
	if args.Region != "" {
		return result, errors.NotValidf("region value %q", args.Region)
	}

	stateServerEnv, err := em.state.StateServerEnvironment()
	if err != nil {
		return result, errors.Trace(err)
	}

	config, err := em.configSkeleton(stateServerEnv)
	if err != nil {
		return result, errors.Trace(err)
	}

	result.Config = config
	return result, nil
}