package org.keycloak.authentication.authenticators.broker;

import java.util.List;

import org.keycloak.Config;
import org.keycloak.authentication.Authenticator;
import org.keycloak.authentication.AuthenticatorFactory;
import org.keycloak.models.AuthenticationExecutionModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.KeycloakSessionFactory;
import org.keycloak.provider.ProviderConfigProperty;

/**
 * @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
 */
public class IdpDetectDuplicationsAuthenticatorFactory implements AuthenticatorFactory {

    public static final String PROVIDER_ID = "idp-detect-duplications";
    static IdpDetectDuplicationsAuthenticator SINGLETON = new IdpDetectDuplicationsAuthenticator();

    @Override
    public Authenticator create(KeycloakSession session) {
        return SINGLETON;
    }

    @Override
    public void init(Config.Scope config) {

    }

    @Override
    public void postInit(KeycloakSessionFactory factory) {

    }

    @Override
    public void close() {

    }

    @Override
    public String getId() {
        return PROVIDER_ID;
    }

    @Override
    public String getReferenceCategory() {
        return "createUserIfUnique";
    }

    @Override
    public boolean isConfigurable() {
        return false;
    }

    public static final AuthenticationExecutionModel.Requirement[] REQUIREMENT_CHOICES = {
            AuthenticationExecutionModel.Requirement.ALTERNATIVE,
            AuthenticationExecutionModel.Requirement.REQUIRED,
            AuthenticationExecutionModel.Requirement.DISABLED};

    @Override
    public AuthenticationExecutionModel.Requirement[] getRequirementChoices() {
        return REQUIREMENT_CHOICES;
    }

    @Override
    public String getDisplayType() {
        return "Create User If Unique";
    }

    @Override
    public String getHelpText() {
        return "Detect if there is existing Keycloak account with same email like identity provider. If no, create new user";
    }

    @Override
    public List<ProviderConfigProperty> getConfigProperties() {
        return null;
    }

    @Override
    public boolean isUserSetupAllowed() {
        return false;
    }
}
