// looking up users, fetching additional attributes etc.
type Provider interface {
	LoginWithUser(username, password string) error
	LoginWithClientID(clientID, clientSecret string) error
	LookupUser(userid string) (User, error)

	if err = json.NewDecoder(resp.Body).Decode(&accessToken); err != nil {
		return err
	}

	k.Lock()
	k.accessToken = accessToken
	k.Unlock()
	return nil
}

// LookupUser lookup user by their userid.
func (k *KeycloakProvider) LookupUser(userid string) (User, error) {
	req, err := http.NewRequest(http.MethodGet, k.adminURL, nil)
	if err != nil {
		return User{}, err
	}

	}
	return pCfg.ClaimPrefix + pCfg.ClaimName
}

// LookupUser lookup userid for the provider
func (r Config) LookupUser(roleArn, userid string) (provider.User, error) {
	// Can safely ignore error here as empty or invalid ARNs will not be
	// mapped.
	arnVal, _ := arn.Parse(roleArn)
	pCfg, ok := r.arnProviderCfgsMap[arnVal]
	if ok {
		user, err := pCfg.provider.LookupUser(userid)

		if len(roleArns) == 0 {
			iamLogIf(GlobalContext,
				fmt.Errorf("parentUser: %s had no roleArns mapped!", parentUser))
			continue
		}
		roleArn = roleArns[0]
		u, err := sys.OpenIDConfig.LookupUser(roleArn, puInfo.subClaimValue)
		if err != nil {
			iamLogIf(GlobalContext, err)
			continue
		}
		// If user is set to "disabled", we will remove them
		// subsequently.
		if !u.Enabled {