/*
 * Copyright 2022 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.keycloak.models.map.datastore;

import org.jboss.logging.Logger;
import org.keycloak.common.enums.SslRequired;
import org.keycloak.common.util.MultivaluedHashMap;
import org.keycloak.component.ComponentModel;
import org.keycloak.keys.KeyProvider;
import org.keycloak.migration.MigrationProvider;
import org.keycloak.migration.migrators.MigrationUtils;
import org.keycloak.models.AuthenticationExecutionModel;
import org.keycloak.models.AuthenticationFlowModel;
import org.keycloak.models.AuthenticatorConfigModel;
import org.keycloak.models.BrowserSecurityHeaders;
import org.keycloak.models.CibaConfig;
import org.keycloak.models.ClaimMask;
import org.keycloak.models.ClientModel;
import org.keycloak.models.ClientScopeModel;
import org.keycloak.models.Constants;
import org.keycloak.models.GroupModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.OAuth2DeviceConfig;
import org.keycloak.models.OTPPolicy;
import org.keycloak.models.ParConfig;
import org.keycloak.models.PasswordPolicy;
import org.keycloak.models.RealmModel;
import org.keycloak.models.RequiredActionProviderModel;
import org.keycloak.models.RoleModel;
import org.keycloak.models.ScopeContainerModel;
import org.keycloak.models.UserConsentModel;
import org.keycloak.models.UserModel;
import org.keycloak.models.WebAuthnPolicy;
import org.keycloak.models.utils.DefaultAuthenticationFlows;
import org.keycloak.models.utils.DefaultKeyProviders;
import org.keycloak.models.utils.DefaultRequiredActions;
import org.keycloak.models.utils.KeycloakModelUtils;
import org.keycloak.models.utils.RepresentationToModel;
import org.keycloak.protocol.oidc.OIDCConfigAttributes;
import org.keycloak.representations.idm.ApplicationRepresentation;
import org.keycloak.representations.idm.AuthenticationExecutionExportRepresentation;
import org.keycloak.representations.idm.AuthenticationFlowRepresentation;
import org.keycloak.representations.idm.AuthenticatorConfigRepresentation;
import org.keycloak.representations.idm.ClaimRepresentation;
import org.keycloak.representations.idm.ClientRepresentation;
import org.keycloak.representations.idm.ClientScopeRepresentation;
import org.keycloak.representations.idm.ClientTemplateRepresentation;
import org.keycloak.representations.idm.ComponentExportRepresentation;
import org.keycloak.representations.idm.ComponentRepresentation;
import org.keycloak.representations.idm.CredentialRepresentation;
import org.keycloak.representations.idm.GroupRepresentation;
import org.keycloak.representations.idm.IdentityProviderMapperRepresentation;
import org.keycloak.representations.idm.IdentityProviderRepresentation;
import org.keycloak.representations.idm.OAuthClientRepresentation;
import org.keycloak.representations.idm.ProtocolMapperRepresentation;
import org.keycloak.representations.idm.RealmRepresentation;
import org.keycloak.representations.idm.RequiredActionProviderRepresentation;
import org.keycloak.representations.idm.RoleRepresentation;
import org.keycloak.representations.idm.ScopeMappingRepresentation;
import org.keycloak.representations.idm.UserConsentRepresentation;
import org.keycloak.representations.idm.UserFederationMapperRepresentation;
import org.keycloak.representations.idm.UserRepresentation;
import org.keycloak.storage.ExportImportManager;
import org.keycloak.userprofile.UserProfileProvider;
import org.keycloak.validation.ValidationUtil;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;

import static org.keycloak.models.utils.RepresentationToModel.createCredentials;
import static org.keycloak.models.utils.RepresentationToModel.createFederatedIdentities;
import static org.keycloak.models.utils.RepresentationToModel.createGroups;
import static org.keycloak.models.utils.RepresentationToModel.createRoleMappings;
import static org.keycloak.models.utils.RepresentationToModel.importGroup;
import static org.keycloak.models.utils.RepresentationToModel.importRoles;

/**
 * This wraps the functionality about export/import for legacy storage.
 *
 * <p>
 * Currently this only removes the user-storage and federation code from LegacyExportImportManager.
 * <p>
 * In the future, this needs to be rewritten completely.
 *
 * @author Alexander Schwartz
 * @author Hynek Mlnarik
 */
public class MapExportImportManager implements ExportImportManager {
    private final KeycloakSession session;
    private static final Logger logger = Logger.getLogger(MapExportImportManager.class);

    public MapExportImportManager(KeycloakSession session) {
        this.session = session;
    }

    @Override
    public void importRealm(RealmRepresentation rep, RealmModel newRealm, boolean skipUserDependent) {
        convertDeprecatedSocialProviders(rep);
        convertDeprecatedApplications(session, rep);
        convertDeprecatedClientTemplates(rep);

        newRealm.setName(rep.getRealm());
        if (rep.getDisplayName() != null) newRealm.setDisplayName(rep.getDisplayName());
        if (rep.getDisplayNameHtml() != null) newRealm.setDisplayNameHtml(rep.getDisplayNameHtml());
        if (rep.isEnabled() != null) newRealm.setEnabled(rep.isEnabled());
        if (rep.isUserManagedAccessAllowed() != null) newRealm.setUserManagedAccessAllowed(rep.isUserManagedAccessAllowed());
        if (rep.isBruteForceProtected() != null) newRealm.setBruteForceProtected(rep.isBruteForceProtected());
        if (rep.isPermanentLockout() != null) newRealm.setPermanentLockout(rep.isPermanentLockout());
        if (rep.getMaxFailureWaitSeconds() != null) newRealm.setMaxFailureWaitSeconds(rep.getMaxFailureWaitSeconds());
        if (rep.getMinimumQuickLoginWaitSeconds() != null)
            newRealm.setMinimumQuickLoginWaitSeconds(rep.getMinimumQuickLoginWaitSeconds());
        if (rep.getWaitIncrementSeconds() != null) newRealm.setWaitIncrementSeconds(rep.getWaitIncrementSeconds());
        if (rep.getQuickLoginCheckMilliSeconds() != null)
            newRealm.setQuickLoginCheckMilliSeconds(rep.getQuickLoginCheckMilliSeconds());
        if (rep.getMaxDeltaTimeSeconds() != null) newRealm.setMaxDeltaTimeSeconds(rep.getMaxDeltaTimeSeconds());
        if (rep.getFailureFactor() != null) newRealm.setFailureFactor(rep.getFailureFactor());
        if (rep.isEventsEnabled() != null) newRealm.setEventsEnabled(rep.isEventsEnabled());
        if (rep.getEnabledEventTypes() != null)
            newRealm.setEnabledEventTypes(new HashSet<>(rep.getEnabledEventTypes()));
        if (rep.getEventsExpiration() != null) newRealm.setEventsExpiration(rep.getEventsExpiration());
        if (rep.getEventsListeners() != null) newRealm.setEventsListeners(new HashSet<>(rep.getEventsListeners()));
        if (rep.isAdminEventsEnabled() != null) newRealm.setAdminEventsEnabled(rep.isAdminEventsEnabled());
        if (rep.isAdminEventsDetailsEnabled() != null)
            newRealm.setAdminEventsDetailsEnabled(rep.isAdminEventsDetailsEnabled());

        if (rep.getNotBefore() != null) newRealm.setNotBefore(rep.getNotBefore());

        if (rep.getDefaultSignatureAlgorithm() != null) newRealm.setDefaultSignatureAlgorithm(rep.getDefaultSignatureAlgorithm());
        else newRealm.setDefaultSignatureAlgorithm(Constants.DEFAULT_SIGNATURE_ALGORITHM);

        if (rep.getRevokeRefreshToken() != null) newRealm.setRevokeRefreshToken(rep.getRevokeRefreshToken());
        else newRealm.setRevokeRefreshToken(false);

        if (rep.getRefreshTokenMaxReuse() != null) newRealm.setRefreshTokenMaxReuse(rep.getRefreshTokenMaxReuse());
        else newRealm.setRefreshTokenMaxReuse(0);

        if (rep.getAccessTokenLifespan() != null) newRealm.setAccessTokenLifespan(rep.getAccessTokenLifespan());
        else newRealm.setAccessTokenLifespan(300);

        if (rep.getAccessTokenLifespanForImplicitFlow() != null)
            newRealm.setAccessTokenLifespanForImplicitFlow(rep.getAccessTokenLifespanForImplicitFlow());
        else
            newRealm.setAccessTokenLifespanForImplicitFlow(Constants.DEFAULT_ACCESS_TOKEN_LIFESPAN_FOR_IMPLICIT_FLOW_TIMEOUT);

        if (rep.getSsoSessionIdleTimeout() != null) newRealm.setSsoSessionIdleTimeout(rep.getSsoSessionIdleTimeout());
        else newRealm.setSsoSessionIdleTimeout(1800);
        if (rep.getSsoSessionMaxLifespan() != null) newRealm.setSsoSessionMaxLifespan(rep.getSsoSessionMaxLifespan());
        else newRealm.setSsoSessionMaxLifespan(36000);
        if (rep.getSsoSessionMaxLifespanRememberMe() != null) newRealm.setSsoSessionMaxLifespanRememberMe(rep.getSsoSessionMaxLifespanRememberMe());
        if (rep.getSsoSessionIdleTimeoutRememberMe() != null) newRealm.setSsoSessionIdleTimeoutRememberMe(rep.getSsoSessionIdleTimeoutRememberMe());
        if (rep.getOfflineSessionIdleTimeout() != null)
            newRealm.setOfflineSessionIdleTimeout(rep.getOfflineSessionIdleTimeout());
        else newRealm.setOfflineSessionIdleTimeout(Constants.DEFAULT_OFFLINE_SESSION_IDLE_TIMEOUT);

        // KEYCLOAK-7688 Offline Session Max for Offline Token
        if (rep.getOfflineSessionMaxLifespanEnabled() != null) newRealm.setOfflineSessionMaxLifespanEnabled(rep.getOfflineSessionMaxLifespanEnabled());
        else newRealm.setOfflineSessionMaxLifespanEnabled(false);

        if (rep.getOfflineSessionMaxLifespan() != null)
            newRealm.setOfflineSessionMaxLifespan(rep.getOfflineSessionMaxLifespan());
        else newRealm.setOfflineSessionMaxLifespan(Constants.DEFAULT_OFFLINE_SESSION_MAX_LIFESPAN);

        if (rep.getClientSessionIdleTimeout() != null)
            newRealm.setClientSessionIdleTimeout(rep.getClientSessionIdleTimeout());
        if (rep.getClientSessionMaxLifespan() != null)
            newRealm.setClientSessionMaxLifespan(rep.getClientSessionMaxLifespan());

        if (rep.getClientOfflineSessionIdleTimeout() != null)
            newRealm.setClientOfflineSessionIdleTimeout(rep.getClientOfflineSessionIdleTimeout());
        if (rep.getClientOfflineSessionMaxLifespan() != null)
            newRealm.setClientOfflineSessionMaxLifespan(rep.getClientOfflineSessionMaxLifespan());

        if (rep.getAccessCodeLifespan() != null) newRealm.setAccessCodeLifespan(rep.getAccessCodeLifespan());
        else newRealm.setAccessCodeLifespan(60);

        if (rep.getAccessCodeLifespanUserAction() != null)
            newRealm.setAccessCodeLifespanUserAction(rep.getAccessCodeLifespanUserAction());
        else newRealm.setAccessCodeLifespanUserAction(300);

        if (rep.getAccessCodeLifespanLogin() != null)
            newRealm.setAccessCodeLifespanLogin(rep.getAccessCodeLifespanLogin());
        else newRealm.setAccessCodeLifespanLogin(1800);

        if (rep.getActionTokenGeneratedByAdminLifespan() != null)
            newRealm.setActionTokenGeneratedByAdminLifespan(rep.getActionTokenGeneratedByAdminLifespan());
        else newRealm.setActionTokenGeneratedByAdminLifespan(12 * 60 * 60);

        if (rep.getActionTokenGeneratedByUserLifespan() != null)
            newRealm.setActionTokenGeneratedByUserLifespan(rep.getActionTokenGeneratedByUserLifespan());
        else newRealm.setActionTokenGeneratedByUserLifespan(newRealm.getAccessCodeLifespanUserAction());

        // OAuth 2.0 Device Authorization Grant
        OAuth2DeviceConfig deviceConfig = newRealm.getOAuth2DeviceConfig();

        deviceConfig.setOAuth2DeviceCodeLifespan(rep.getOAuth2DeviceCodeLifespan());
        deviceConfig.setOAuth2DevicePollingInterval(rep.getOAuth2DevicePollingInterval());

        if (rep.getSslRequired() != null)
            newRealm.setSslRequired(SslRequired.valueOf(rep.getSslRequired().toUpperCase()));
        if (rep.isRegistrationAllowed() != null) newRealm.setRegistrationAllowed(rep.isRegistrationAllowed());
        if (rep.isRegistrationEmailAsUsername() != null)
            newRealm.setRegistrationEmailAsUsername(rep.isRegistrationEmailAsUsername());
        if (rep.isRememberMe() != null) newRealm.setRememberMe(rep.isRememberMe());
        if (rep.isVerifyEmail() != null) newRealm.setVerifyEmail(rep.isVerifyEmail());
        if (rep.isLoginWithEmailAllowed() != null) newRealm.setLoginWithEmailAllowed(rep.isLoginWithEmailAllowed());
        if (rep.isDuplicateEmailsAllowed() != null) newRealm.setDuplicateEmailsAllowed(rep.isDuplicateEmailsAllowed());
        if (rep.isResetPasswordAllowed() != null) newRealm.setResetPasswordAllowed(rep.isResetPasswordAllowed());
        if (rep.isEditUsernameAllowed() != null) newRealm.setEditUsernameAllowed(rep.isEditUsernameAllowed());
        if (rep.getLoginTheme() != null) newRealm.setLoginTheme(rep.getLoginTheme());
        if (rep.getAccountTheme() != null) newRealm.setAccountTheme(rep.getAccountTheme());
        if (rep.getAdminTheme() != null) newRealm.setAdminTheme(rep.getAdminTheme());
        if (rep.getEmailTheme() != null) newRealm.setEmailTheme(rep.getEmailTheme());

        // todo remove this stuff as its all deprecated
        if (rep.getRequiredCredentials() != null) {
            for (String requiredCred : rep.getRequiredCredentials()) {
                newRealm.addRequiredCredential(requiredCred);
            }
        } else {
            newRealm.addRequiredCredential(CredentialRepresentation.PASSWORD);
        }

        if (rep.getPasswordPolicy() != null)
            newRealm.setPasswordPolicy(PasswordPolicy.parse(session, rep.getPasswordPolicy()));
        if (rep.getOtpPolicyType() != null) newRealm.setOTPPolicy(toPolicy(rep));
        else newRealm.setOTPPolicy(OTPPolicy.DEFAULT_POLICY);

        WebAuthnPolicy webAuthnPolicy = getWebAuthnPolicyTwoFactor(rep);
        newRealm.setWebAuthnPolicy(webAuthnPolicy);

        webAuthnPolicy = getWebAuthnPolicyPasswordless(rep);
        newRealm.setWebAuthnPolicyPasswordless(webAuthnPolicy);

        updateCibaSettings(rep, newRealm);

        updateParSettings(rep, newRealm);

        Map<String, String> mappedFlows = importAuthenticationFlows(newRealm, rep);
        if (rep.getRequiredActions() != null) {
            for (RequiredActionProviderRepresentation action : rep.getRequiredActions()) {
                RequiredActionProviderModel model = toModel(action);

                MigrationUtils.updateOTPRequiredAction(model);

                newRealm.addRequiredActionProvider(model);
            }
            DefaultRequiredActions.addDeleteAccountAction(newRealm);
        } else {
            DefaultRequiredActions.addActions(newRealm);
        }

        importIdentityProviders(rep, newRealm, session);
        importIdentityProviderMappers(rep, newRealm);

        Map<String, ClientScopeModel> clientScopes = new HashMap<>();
        if (rep.getClientScopes() != null) {
            clientScopes = createClientScopes(session, rep.getClientScopes(), newRealm);
        }
        if (rep.getDefaultDefaultClientScopes() != null) {
            for (String clientScopeName : rep.getDefaultDefaultClientScopes()) {
                ClientScopeModel clientScope = clientScopes.get(clientScopeName);
                if (clientScope != null) {
                    newRealm.addDefaultClientScope(clientScope, true);
                } else {
                    logger.warnf("Referenced client scope '%s' doesn't exist", clientScopeName);
                }
            }
        }
        if (rep.getDefaultOptionalClientScopes() != null) {
            for (String clientScopeName : rep.getDefaultOptionalClientScopes()) {
                ClientScopeModel clientScope = clientScopes.get(clientScopeName);
                if (clientScope != null) {
                    newRealm.addDefaultClientScope(clientScope, false);
                } else {
                    logger.warnf("Referenced client scope '%s' doesn't exist", clientScopeName);
                }
            }
        }

        Map<String, ClientModel> createdClients = new HashMap<>();
        if (rep.getClients() != null) {
            createdClients = createClients(session, rep, newRealm, mappedFlows);
        }

        importRoles(rep.getRoles(), newRealm);
        convertDeprecatedDefaultRoles(rep, newRealm);

        // Now that all possible roles and clients are created, create scope mappings

        if (rep.getClientScopeMappings() != null) {

            for (Map.Entry<String, List<ScopeMappingRepresentation>> entry : rep.getClientScopeMappings().entrySet()) {
                ClientModel app = createdClients.computeIfAbsent(entry.getKey(), k -> newRealm.getClientByClientId(entry.getKey()));
                if (app == null) {
                    throw new RuntimeException("Unable to find client role mappings for client: " + entry.getKey());
                }
                createClientScopeMappings(newRealm, app, entry.getValue());
            }
        }

        if (rep.getScopeMappings() != null) {
            Map<String, RoleModel> roleModelMap = newRealm.getRolesStream().collect(Collectors.toMap(RoleModel::getId, Function.identity()));

            for (ScopeMappingRepresentation scope : rep.getScopeMappings()) {
                ScopeContainerModel scopeContainer = getScopeContainerHavingScope(newRealm, scope);
                for (String roleString : scope.getRoles()) {
                    final String roleStringTrimmed = roleString.trim();
                    RoleModel role = roleModelMap.computeIfAbsent(roleStringTrimmed, k -> newRealm.getRole(roleStringTrimmed));
                    if (role == null) {
                        role = newRealm.addRole(roleString);
                        roleModelMap.put(role.getId(), role);
                    }
                    scopeContainer.addScopeMapping(role);
                }
            }
        }

        if (rep.getSmtpServer() != null) {
            newRealm.setSmtpConfig(new HashMap(rep.getSmtpServer()));
        }

        if (rep.getBrowserSecurityHeaders() != null) {
            newRealm.setBrowserSecurityHeaders(rep.getBrowserSecurityHeaders());
        } else {
            newRealm.setBrowserSecurityHeaders(BrowserSecurityHeaders.realmDefaultHeaders);
        }

        if (rep.getComponents() != null) {
            MultivaluedHashMap<String, ComponentExportRepresentation> components = rep.getComponents();
            String parentId = newRealm.getId();
            importComponents(newRealm, components, parentId);
        }

        if (rep.getGroups() != null) {
            importGroups(newRealm, rep);
            if (rep.getDefaultGroups() != null) {
                for (String path : rep.getDefaultGroups()) {
                    GroupModel found = KeycloakModelUtils.findGroupByPath(newRealm, path);
                    if (found == null) throw new RuntimeException("default group in realm rep doesn't exist: " + path);
                    newRealm.addDefaultGroup(found);
                }
            }
        }


        // create users and their role mappings and social mappings

        if (rep.getUsers() != null) {
            for (UserRepresentation userRep : rep.getUsers()) {
                createUser(newRealm, userRep);
            }
        }

        if (!skipUserDependent) {
            importRealmAuthorizationSettings(rep, newRealm, session);
        }

        if (rep.isInternationalizationEnabled() != null) {
            newRealm.setInternationalizationEnabled(rep.isInternationalizationEnabled());
        }
        if (rep.getSupportedLocales() != null) {
            newRealm.setSupportedLocales(new HashSet<>(rep.getSupportedLocales()));
        }
        if (rep.getDefaultLocale() != null) {
            newRealm.setDefaultLocale(rep.getDefaultLocale());
        }

        // import attributes

        if (rep.getAttributes() != null) {
            for (Map.Entry<String, String> attr : rep.getAttributes().entrySet()) {
                newRealm.setAttribute(attr.getKey(), attr.getValue());
            }
        }

        if (newRealm.getComponentsStream(newRealm.getId(), KeyProvider.class.getName()).count() == 0) {
            if (rep.getPrivateKey() != null) {
                DefaultKeyProviders.createProviders(newRealm, rep.getPrivateKey(), rep.getCertificate());
            } else {
                DefaultKeyProviders.createProviders(newRealm);
            }
        }
    }

    private static RoleModel getOrAddRealmRole(RealmModel realm, String name) {
        RoleModel role = realm.getRole(name);
        if (role == null) {
            role = realm.addRole(name);
        }
        return role;
    }

    private static void convertDeprecatedDefaultRoles(RealmRepresentation rep, RealmModel newRealm) {
        if (rep.getDefaultRole() == null) {

            // Setup realm default roles
            if (rep.getDefaultRoles() != null) {
                rep.getDefaultRoles().stream()
                        .map(String::trim)
                        .map(name -> getOrAddRealmRole(newRealm, name))
                        .forEach(role -> newRealm.getDefaultRole().addCompositeRole(role));
            }

            // Setup client default roles
            if (rep.getClients() != null) {
                for (ClientRepresentation clientRep : rep.getClients()) {
                    if (clientRep.getDefaultRoles() != null) {
                        Arrays.stream(clientRep.getDefaultRoles())
                                .map(String::trim)
                                .map(name -> getOrAddClientRole(newRealm.getClientById(clientRep.getId()), name))
                                .forEach(role -> newRealm.getDefaultRole().addCompositeRole(role));
                    }
                }
            }
        }
    }

    private static RoleModel getOrAddClientRole(ClientModel client, String name) {
        RoleModel role = client.getRole(name);
        if (role == null) {
            role = client.addRole(name);
        }
        return role;
    }

    private static Map<String, ClientModel> createClients(KeycloakSession session, RealmRepresentation rep, RealmModel realm, Map<String, String> mappedFlows) {
        Map<String, ClientModel> appMap = new HashMap<>();
        for (ClientRepresentation resourceRep : rep.getClients()) {
            ClientModel app = RepresentationToModel.createClient(session, realm, resourceRep, mappedFlows);
            String postLogoutRedirectUris = app.getAttribute(OIDCConfigAttributes.POST_LOGOUT_REDIRECT_URIS);
            if (postLogoutRedirectUris == null) {
                app.setAttribute(OIDCConfigAttributes.POST_LOGOUT_REDIRECT_URIS, "+");
            }
            appMap.put(app.getClientId(), app);

            ValidationUtil.validateClient(session, app, false, r -> {
                throw new RuntimeException("Invalid client " + app.getClientId() + ": " + r.getAllErrorsAsString());
            });
        }
        return appMap;
    }

    private static Map<String, ClientScopeModel> createClientScopes(KeycloakSession session, List<ClientScopeRepresentation> clientScopes, RealmModel realm) {
        Map<String, ClientScopeModel> appMap = new HashMap<>();
        for (ClientScopeRepresentation resourceRep : clientScopes) {
            ClientScopeModel app = RepresentationToModel.createClientScope(session, realm, resourceRep);
            appMap.put(app.getName(), app);
        }
        return appMap;
    }

    private static void importIdentityProviders(RealmRepresentation rep, RealmModel newRealm, KeycloakSession session) {
        if (rep.getIdentityProviders() != null) {
            for (IdentityProviderRepresentation representation : rep.getIdentityProviders()) {
                newRealm.addIdentityProvider(RepresentationToModel.toModel(newRealm, representation, session));
            }
        }
    }

    private static void importIdentityProviderMappers(RealmRepresentation rep, RealmModel newRealm) {
        if (rep.getIdentityProviderMappers() != null) {
            for (IdentityProviderMapperRepresentation representation : rep.getIdentityProviderMappers()) {
                newRealm.addIdentityProviderMapper(RepresentationToModel.toModel(representation));
            }
        }
    }

    public static long getClaimsMask(ClaimRepresentation rep) {
        long mask = ClaimMask.ALL;

        if (rep.getAddress()) {
            mask |= ClaimMask.ADDRESS;
        } else {
            mask &= ~ClaimMask.ADDRESS;
        }
        if (rep.getEmail()) {
            mask |= ClaimMask.EMAIL;
        } else {
            mask &= ~ClaimMask.EMAIL;
        }
        if (rep.getGender()) {
            mask |= ClaimMask.GENDER;
        } else {
            mask &= ~ClaimMask.GENDER;
        }
        if (rep.getLocale()) {
            mask |= ClaimMask.LOCALE;
        } else {
            mask &= ~ClaimMask.LOCALE;
        }
        if (rep.getName()) {
            mask |= ClaimMask.NAME;
        } else {
            mask &= ~ClaimMask.NAME;
        }
        if (rep.getPhone()) {
            mask |= ClaimMask.PHONE;
        } else {
            mask &= ~ClaimMask.PHONE;
        }
        if (rep.getPicture()) {
            mask |= ClaimMask.PICTURE;
        } else {
            mask &= ~ClaimMask.PICTURE;
        }
        if (rep.getProfile()) {
            mask |= ClaimMask.PROFILE;
        } else {
            mask &= ~ClaimMask.PROFILE;
        }
        if (rep.getUsername()) {
            mask |= ClaimMask.USERNAME;
        } else {
            mask &= ~ClaimMask.USERNAME;
        }
        if (rep.getWebsite()) {
            mask |= ClaimMask.WEBSITE;
        } else {
            mask &= ~ClaimMask.WEBSITE;
        }
        return mask;
    }

    public static void createClientScopeMappings(RealmModel realm, ClientModel clientModel, List<ScopeMappingRepresentation> mappings) {
        for (ScopeMappingRepresentation mapping : mappings) {
            ScopeContainerModel scopeContainer = getScopeContainerHavingScope(realm, mapping);

            for (String roleString : mapping.getRoles()) {
                RoleModel role = clientModel.getRole(roleString.trim());
                if (role == null) {
                    role = clientModel.addRole(roleString.trim());
                }
                scopeContainer.addScopeMapping(role);
            }
        }
    }

    private static ScopeContainerModel getScopeContainerHavingScope(RealmModel realm, ScopeMappingRepresentation scope) {
        if (scope.getClient() != null) {
            ClientModel client = realm.getClientByClientId(scope.getClient());
            if (client == null) {
                throw new RuntimeException("Unknown client specification in scope mappings: " + scope.getClient());
            }
            return client;
        } else if (scope.getClientScope() != null) {
            ClientScopeModel clientScope = KeycloakModelUtils.getClientScopeByName(realm, scope.getClientScope());
            if (clientScope == null) {
                throw new RuntimeException("Unknown clientScope specification in scope mappings: " + scope.getClientScope());
            }
            return clientScope;
        } else if (scope.getClientTemplate() != null) { // Backwards compatibility
            String templateName = KeycloakModelUtils.convertClientScopeName(scope.getClientTemplate());
            ClientScopeModel clientTemplate = KeycloakModelUtils.getClientScopeByName(realm, templateName);
            if (clientTemplate == null) {
                throw new RuntimeException("Unknown clientScope specification in scope mappings: " + templateName);
            }
            return clientTemplate;
        } else {
            throw new RuntimeException("Either client or clientScope needs to be specified in scope mappings");
        }
    }


    public static void renameRealm(RealmModel realm, String name) {
        if (name.equals(realm.getName())) return;

        String oldName = realm.getName();

        ClientModel masterApp = realm.getMasterAdminClient();
        masterApp.setClientId(KeycloakModelUtils.getMasterRealmAdminApplicationClientId(name));
        realm.setName(name);

        ClientModel adminClient = realm.getClientByClientId(Constants.ADMIN_CONSOLE_CLIENT_ID);
        if (adminClient != null) {
            if (adminClient.getBaseUrl() != null) {
                adminClient.setBaseUrl(adminClient.getBaseUrl().replace("/admin/" + oldName + "/", "/admin/" + name + "/"));
            }
            Set<String> adminRedirectUris = new HashSet<>();
            for (String r : adminClient.getRedirectUris()) {
                adminRedirectUris.add(replace(r, "/admin/" + oldName + "/", "/admin/" + name + "/"));
            }
            adminClient.setRedirectUris(adminRedirectUris);
        }

        ClientModel accountClient = realm.getClientByClientId(Constants.ACCOUNT_MANAGEMENT_CLIENT_ID);
        if (accountClient != null) {
            if (accountClient.getBaseUrl() != null) {
                accountClient.setBaseUrl(accountClient.getBaseUrl().replace("/realms/" + oldName + "/", "/realms/" + name + "/"));
            }
            Set<String> accountRedirectUris = new HashSet<>();
            for (String r : accountClient.getRedirectUris()) {
                accountRedirectUris.add(replace(r, "/realms/" + oldName + "/", "/realms/" + name + "/"));
            }
            accountClient.setRedirectUris(accountRedirectUris);
        }
    }

    private static String replace(String url, String target, String replacement) {
        return url != null ? url.replace(target, replacement) : null;
    }

    @Override
    public void updateRealm(RealmRepresentation rep, RealmModel realm) {
        if (rep.getRealm() != null) {
            renameRealm(realm, rep.getRealm());
        }

        if (!Boolean.parseBoolean(rep.getAttributesOrEmpty().get("userProfileEnabled"))) {
            UserProfileProvider provider = session.getProvider(UserProfileProvider.class);
            provider.setConfiguration(null);
        }

        // Import attributes first, so the stuff saved directly on representation (displayName, bruteForce etc) has bigger priority
        if (rep.getAttributes() != null) {
            Set<String> attrsToRemove = new HashSet<>(realm.getAttributes().keySet());
            attrsToRemove.removeAll(rep.getAttributes().keySet());

            for (Map.Entry<String, String> entry : rep.getAttributes().entrySet()) {
                realm.setAttribute(entry.getKey(), entry.getValue());
            }

            for (String attr : attrsToRemove) {
                realm.removeAttribute(attr);
            }
        }

        if (rep.getDisplayName() != null) realm.setDisplayName(rep.getDisplayName());
        if (rep.getDisplayNameHtml() != null) realm.setDisplayNameHtml(rep.getDisplayNameHtml());
        if (rep.isEnabled() != null) realm.setEnabled(rep.isEnabled());
        if (rep.isUserManagedAccessAllowed() != null) realm.setUserManagedAccessAllowed(rep.isUserManagedAccessAllowed());
        if (rep.isBruteForceProtected() != null) realm.setBruteForceProtected(rep.isBruteForceProtected());
        if (rep.isPermanentLockout() != null) realm.setPermanentLockout(rep.isPermanentLockout());
        if (rep.getMaxFailureWaitSeconds() != null) realm.setMaxFailureWaitSeconds(rep.getMaxFailureWaitSeconds());
        if (rep.getMinimumQuickLoginWaitSeconds() != null)
            realm.setMinimumQuickLoginWaitSeconds(rep.getMinimumQuickLoginWaitSeconds());
        if (rep.getWaitIncrementSeconds() != null) realm.setWaitIncrementSeconds(rep.getWaitIncrementSeconds());
        if (rep.getQuickLoginCheckMilliSeconds() != null)
            realm.setQuickLoginCheckMilliSeconds(rep.getQuickLoginCheckMilliSeconds());
        if (rep.getMaxDeltaTimeSeconds() != null) realm.setMaxDeltaTimeSeconds(rep.getMaxDeltaTimeSeconds());
        if (rep.getFailureFactor() != null) realm.setFailureFactor(rep.getFailureFactor());
        if (rep.isRegistrationAllowed() != null) realm.setRegistrationAllowed(rep.isRegistrationAllowed());
        if (rep.isRegistrationEmailAsUsername() != null)
            realm.setRegistrationEmailAsUsername(rep.isRegistrationEmailAsUsername());
        if (rep.isRememberMe() != null) realm.setRememberMe(rep.isRememberMe());
        if (rep.isVerifyEmail() != null) realm.setVerifyEmail(rep.isVerifyEmail());
        if (rep.isLoginWithEmailAllowed() != null) realm.setLoginWithEmailAllowed(rep.isLoginWithEmailAllowed());
        if (rep.isDuplicateEmailsAllowed() != null) realm.setDuplicateEmailsAllowed(rep.isDuplicateEmailsAllowed());
        if (rep.isResetPasswordAllowed() != null) realm.setResetPasswordAllowed(rep.isResetPasswordAllowed());
        if (rep.isEditUsernameAllowed() != null) realm.setEditUsernameAllowed(rep.isEditUsernameAllowed());
        if (rep.getSslRequired() != null) realm.setSslRequired(SslRequired.valueOf(rep.getSslRequired().toUpperCase()));
        if (rep.getAccessCodeLifespan() != null) realm.setAccessCodeLifespan(rep.getAccessCodeLifespan());
        if (rep.getAccessCodeLifespanUserAction() != null)
            realm.setAccessCodeLifespanUserAction(rep.getAccessCodeLifespanUserAction());
        if (rep.getAccessCodeLifespanLogin() != null)
            realm.setAccessCodeLifespanLogin(rep.getAccessCodeLifespanLogin());
        if (rep.getActionTokenGeneratedByAdminLifespan() != null)
            realm.setActionTokenGeneratedByAdminLifespan(rep.getActionTokenGeneratedByAdminLifespan());
        if (rep.getActionTokenGeneratedByUserLifespan() != null)
            realm.setActionTokenGeneratedByUserLifespan(rep.getActionTokenGeneratedByUserLifespan());

        OAuth2DeviceConfig deviceConfig = realm.getOAuth2DeviceConfig();

        deviceConfig.setOAuth2DeviceCodeLifespan(rep.getOAuth2DeviceCodeLifespan());
        deviceConfig.setOAuth2DevicePollingInterval(rep.getOAuth2DevicePollingInterval());

        if (rep.getNotBefore() != null) realm.setNotBefore(rep.getNotBefore());
        if (rep.getDefaultSignatureAlgorithm() != null) realm.setDefaultSignatureAlgorithm(rep.getDefaultSignatureAlgorithm());
        if (rep.getRevokeRefreshToken() != null) realm.setRevokeRefreshToken(rep.getRevokeRefreshToken());
        if (rep.getRefreshTokenMaxReuse() != null) realm.setRefreshTokenMaxReuse(rep.getRefreshTokenMaxReuse());
        if (rep.getAccessTokenLifespan() != null) realm.setAccessTokenLifespan(rep.getAccessTokenLifespan());
        if (rep.getAccessTokenLifespanForImplicitFlow() != null)
            realm.setAccessTokenLifespanForImplicitFlow(rep.getAccessTokenLifespanForImplicitFlow());
        if (rep.getSsoSessionIdleTimeout() != null) realm.setSsoSessionIdleTimeout(rep.getSsoSessionIdleTimeout());
        if (rep.getSsoSessionMaxLifespan() != null) realm.setSsoSessionMaxLifespan(rep.getSsoSessionMaxLifespan());
        if (rep.getSsoSessionIdleTimeoutRememberMe() != null) realm.setSsoSessionIdleTimeoutRememberMe(rep.getSsoSessionIdleTimeoutRememberMe());
        if (rep.getSsoSessionMaxLifespanRememberMe() != null) realm.setSsoSessionMaxLifespanRememberMe(rep.getSsoSessionMaxLifespanRememberMe());
        if (rep.getOfflineSessionIdleTimeout() != null)
            realm.setOfflineSessionIdleTimeout(rep.getOfflineSessionIdleTimeout());
        // KEYCLOAK-7688 Offline Session Max for Offline Token
        if (rep.getOfflineSessionMaxLifespanEnabled() != null) realm.setOfflineSessionMaxLifespanEnabled(rep.getOfflineSessionMaxLifespanEnabled());
        if (rep.getOfflineSessionMaxLifespan() != null)
            realm.setOfflineSessionMaxLifespan(rep.getOfflineSessionMaxLifespan());
        if (rep.getClientSessionIdleTimeout() != null)
            realm.setClientSessionIdleTimeout(rep.getClientSessionIdleTimeout());
        if (rep.getClientSessionMaxLifespan() != null)
            realm.setClientSessionMaxLifespan(rep.getClientSessionMaxLifespan());
        if (rep.getClientOfflineSessionIdleTimeout() != null)
            realm.setClientOfflineSessionIdleTimeout(rep.getClientOfflineSessionIdleTimeout());
        if (rep.getClientOfflineSessionMaxLifespan() != null)
            realm.setClientOfflineSessionMaxLifespan(rep.getClientOfflineSessionMaxLifespan());
        if (rep.getRequiredCredentials() != null) {
            realm.updateRequiredCredentials(rep.getRequiredCredentials());
        }
        if (rep.getLoginTheme() != null) realm.setLoginTheme(rep.getLoginTheme());
        if (rep.getAccountTheme() != null) realm.setAccountTheme(rep.getAccountTheme());
        if (rep.getAdminTheme() != null) realm.setAdminTheme(rep.getAdminTheme());
        if (rep.getEmailTheme() != null) realm.setEmailTheme(rep.getEmailTheme());

        if (rep.isEventsEnabled() != null) realm.setEventsEnabled(rep.isEventsEnabled());
        if (rep.getEventsExpiration() != null) realm.setEventsExpiration(rep.getEventsExpiration());
        if (rep.getEventsListeners() != null) realm.setEventsListeners(new HashSet<>(rep.getEventsListeners()));
        if (rep.getEnabledEventTypes() != null) realm.setEnabledEventTypes(new HashSet<>(rep.getEnabledEventTypes()));

        if (rep.isAdminEventsEnabled() != null) realm.setAdminEventsEnabled(rep.isAdminEventsEnabled());
        if (rep.isAdminEventsDetailsEnabled() != null)
            realm.setAdminEventsDetailsEnabled(rep.isAdminEventsDetailsEnabled());


        if (rep.getPasswordPolicy() != null)
            realm.setPasswordPolicy(PasswordPolicy.parse(session, rep.getPasswordPolicy()));
        if (rep.getOtpPolicyType() != null) realm.setOTPPolicy(toPolicy(rep));

        WebAuthnPolicy webAuthnPolicy = getWebAuthnPolicyTwoFactor(rep);
        realm.setWebAuthnPolicy(webAuthnPolicy);

        webAuthnPolicy = getWebAuthnPolicyPasswordless(rep);
        realm.setWebAuthnPolicyPasswordless(webAuthnPolicy);

        updateCibaSettings(rep, realm);
        updateParSettings(rep, realm);
        session.clientPolicy().updateRealmModelFromRepresentation(realm, rep);

        if (rep.getSmtpServer() != null) {
            Map<String, String> config = new HashMap(rep.getSmtpServer());
            if (rep.getSmtpServer().containsKey("password") && ComponentRepresentation.SECRET_VALUE.equals(rep.getSmtpServer().get("password"))) {
                String passwordValue = realm.getSmtpConfig() != null ? realm.getSmtpConfig().get("password") : null;
                config.put("password", passwordValue);
            }
            realm.setSmtpConfig(config);
        }

        if (rep.getBrowserSecurityHeaders() != null) {
            realm.setBrowserSecurityHeaders(rep.getBrowserSecurityHeaders());
        }

        if (rep.isInternationalizationEnabled() != null) {
            realm.setInternationalizationEnabled(rep.isInternationalizationEnabled());
        }
        if (rep.getSupportedLocales() != null) {
            realm.setSupportedLocales(new HashSet<>(rep.getSupportedLocales()));
        }
        if (rep.getDefaultLocale() != null) {
            realm.setDefaultLocale(rep.getDefaultLocale());
        }
        if (rep.getBrowserFlow() != null) {
            realm.setBrowserFlow(realm.getFlowByAlias(rep.getBrowserFlow()));
        }
        if (rep.getRegistrationFlow() != null) {
            realm.setRegistrationFlow(realm.getFlowByAlias(rep.getRegistrationFlow()));
        }
        if (rep.getDirectGrantFlow() != null) {
            realm.setDirectGrantFlow(realm.getFlowByAlias(rep.getDirectGrantFlow()));
        }
        if (rep.getResetCredentialsFlow() != null) {
            realm.setResetCredentialsFlow(realm.getFlowByAlias(rep.getResetCredentialsFlow()));
        }
        if (rep.getClientAuthenticationFlow() != null) {
            realm.setClientAuthenticationFlow(realm.getFlowByAlias(rep.getClientAuthenticationFlow()));
        }
        if (rep.getDockerAuthenticationFlow() != null) {
            realm.setDockerAuthenticationFlow(realm.getFlowByAlias(rep.getDockerAuthenticationFlow()));
        }
    }

    @Override
    public UserModel createUser(RealmModel newRealm, UserRepresentation userRep) {
        convertDeprecatedSocialProviders(userRep);

        // Import users just to user storage. Don't federate
        UserModel user = session.users().addUser(newRealm, userRep.getId(), userRep.getUsername(), false, false);
        user.setEnabled(userRep.isEnabled() != null && userRep.isEnabled());
        user.setCreatedTimestamp(userRep.getCreatedTimestamp());
        user.setEmail(userRep.getEmail());
        if (userRep.isEmailVerified() != null) user.setEmailVerified(userRep.isEmailVerified());
        user.setFirstName(userRep.getFirstName());
        user.setLastName(userRep.getLastName());
        user.setFederationLink(userRep.getFederationLink());
        if (userRep.getAttributes() != null) {
            for (Map.Entry<String, List<String>> entry : userRep.getAttributes().entrySet()) {
                List<String> value = entry.getValue();
                if (value != null) {
                    user.setAttribute(entry.getKey(), new ArrayList<>(value));
                }
            }
        }
        if (userRep.getRequiredActions() != null) {
            for (String requiredAction : userRep.getRequiredActions()) {
                try {
                    user.addRequiredAction(UserModel.RequiredAction.valueOf(requiredAction.toUpperCase()));
                } catch (IllegalArgumentException iae) {
                    user.addRequiredAction(requiredAction);
                }
            }
        }
        createCredentials(userRep, session, newRealm, user, false);
        createFederatedIdentities(userRep, session, newRealm, user);
        createRoleMappings(userRep, user, newRealm);
        if (userRep.getClientConsents() != null) {
            for (UserConsentRepresentation consentRep : userRep.getClientConsents()) {
                UserConsentModel consentModel = RepresentationToModel.toModel(newRealm, consentRep);
                session.users().addConsent(newRealm, user.getId(), consentModel);
            }
        }

        if (userRep.getNotBefore() != null) {
            session.users().setNotBeforeForUser(newRealm, user, userRep.getNotBefore());
        }

        if (userRep.getServiceAccountClientId() != null) {
            String clientId = userRep.getServiceAccountClientId();
            ClientModel client = newRealm.getClientByClientId(clientId);
            if (client == null) {
                throw new RuntimeException("Unable to find client specified for service account link. Client: " + clientId);
            }
            user.setServiceAccountClientLink(client.getId());
        }
        createGroups(userRep, newRealm, user);
        return user;
    }

    public static void convertDeprecatedSocialProviders(UserRepresentation user) {
        if (user.getSocialLinks() != null && !user.getSocialLinks().isEmpty() && user.getFederatedIdentities() == null) {
            logger.warnf("Using deprecated 'socialLinks' configuration in for user '%s' was removed", user.getUsername());
        }

        user.setSocialLinks(null);
    }

    private static void convertDeprecatedApplications(KeycloakSession session, RealmRepresentation realm) {
        if (realm.getApplications() != null || realm.getOauthClients() != null) {
            if (realm.getClients() == null) {
                realm.setClients(new LinkedList<>());
            }

            List<ApplicationRepresentation> clients = new LinkedList<>();
            if (realm.getApplications() != null) {
                clients.addAll(realm.getApplications());
            }
            if (realm.getOauthClients() != null) {
                clients.addAll(realm.getOauthClients());
            }

            for (ApplicationRepresentation app : clients) {
                app.setClientId(app.getName());
                app.setName(null);

                if (app instanceof OAuthClientRepresentation) {
                    app.setConsentRequired(true);
                    app.setFullScopeAllowed(false);
                }

                if (app.getProtocolMappers() == null && app.getClaims() != null) {
                    long mask = getClaimsMask(app.getClaims());
                    List<ProtocolMapperRepresentation> convertedProtocolMappers = session.getProvider(MigrationProvider.class).getMappersForClaimMask(mask);
                    app.setProtocolMappers(convertedProtocolMappers);
                    app.setClaims(null);
                }

                realm.getClients().add(app);
            }
        }

        if (realm.getApplicationScopeMappings() != null && realm.getClientScopeMappings() == null) {
            realm.setClientScopeMappings(realm.getApplicationScopeMappings());
        }

        if (realm.getRoles() != null && realm.getRoles().getApplication() != null && realm.getRoles().getClient() == null) {
            realm.getRoles().setClient(realm.getRoles().getApplication());
        }

        if (realm.getUsers() != null) {
            for (UserRepresentation user : realm.getUsers()) {
                if (user.getApplicationRoles() != null && user.getClientRoles() == null) {
                    user.setClientRoles(user.getApplicationRoles());
                }
            }
        }

        if (realm.getRoles() != null && realm.getRoles().getRealm() != null) {
            for (RoleRepresentation role : realm.getRoles().getRealm()) {
                if (role.getComposites() != null && role.getComposites().getApplication() != null && role.getComposites().getClient() == null) {
                    role.getComposites().setClient(role.getComposites().getApplication());
                }
            }
        }

        if (realm.getRoles() != null && realm.getRoles().getClient() != null) {
            for (Map.Entry<String, List<RoleRepresentation>> clientRoles : realm.getRoles().getClient().entrySet()) {
                for (RoleRepresentation role : clientRoles.getValue()) {
                    if (role.getComposites() != null && role.getComposites().getApplication() != null && role.getComposites().getClient() == null) {
                        role.getComposites().setClient(role.getComposites().getApplication());
                    }
                }
            }
        }
    }

    private static void convertDeprecatedSocialProviders(RealmRepresentation rep) {
        if (rep.isSocial() != null && rep.isSocial() && rep.getSocialProviders() != null && !rep.getSocialProviders().isEmpty() && rep.getIdentityProviders() == null) {
            Boolean updateProfileFirstLogin = rep.isUpdateProfileOnInitialSocialLogin() != null && rep.isUpdateProfileOnInitialSocialLogin();
            if (rep.getSocialProviders() != null) {

                logger.warn("Using deprecated 'social' configuration in JSON representation. It will be removed in future versions");
                List<IdentityProviderRepresentation> identityProviders = new LinkedList<>();
                for (String k : rep.getSocialProviders().keySet()) {
                    if (k.endsWith(".key")) {
                        String providerId = k.split("\\.")[0];
                        String key = rep.getSocialProviders().get(k);
                        String secret = rep.getSocialProviders().get(k.replace(".key", ".secret"));

                        IdentityProviderRepresentation identityProvider = new IdentityProviderRepresentation();
                        identityProvider.setAlias(providerId);
                        identityProvider.setProviderId(providerId);
                        identityProvider.setEnabled(true);
                        identityProvider.setLinkOnly(false);
                        identityProvider.setUpdateProfileFirstLogin(updateProfileFirstLogin);

                        Map<String, String> config = new HashMap<>();
                        config.put("clientId", key);
                        config.put("clientSecret", secret);
                        identityProvider.setConfig(config);

                        identityProviders.add(identityProvider);
                    }
                }
                rep.setIdentityProviders(identityProviders);
            }
        }
    }

    private static void convertDeprecatedClientTemplates(RealmRepresentation realm) {
        if (realm.getClientTemplates() != null) {

            logger.warnf("Using deprecated 'clientTemplates' configuration in JSON representation for realm '%s'. It will be removed in future versions", realm.getRealm());

            List<ClientScopeRepresentation> clientScopes = new LinkedList<>();
            for (ClientTemplateRepresentation template : realm.getClientTemplates()) {
                ClientScopeRepresentation scopeRep = new ClientScopeRepresentation();
                scopeRep.setId(template.getId());
                scopeRep.setName(template.getName());
                scopeRep.setProtocol(template.getProtocol());
                scopeRep.setDescription(template.getDescription());
                scopeRep.setAttributes(template.getAttributes());
                scopeRep.setProtocolMappers(template.getProtocolMappers());

                clientScopes.add(scopeRep);
            }

            realm.setClientScopes(clientScopes);
        }
    }


    public static ComponentModel convertFedMapperToComponent(RealmModel realm, ComponentModel parent, UserFederationMapperRepresentation rep, String newMapperType) {
        ComponentModel mapper = new ComponentModel();
        mapper.setId(rep.getId());
        mapper.setName(rep.getName());
        mapper.setProviderId(rep.getFederationMapperType());
        mapper.setProviderType(newMapperType);
        mapper.setParentId(parent.getId());
        if (rep.getConfig() != null) {
            for (Map.Entry<String, String> entry : rep.getConfig().entrySet()) {
                mapper.getConfig().putSingle(entry.getKey(), entry.getValue());
            }
        }
        return mapper;
    }

    protected static void importComponents(RealmModel newRealm, MultivaluedHashMap<String, ComponentExportRepresentation> components, String parentId) {
        for (Map.Entry<String, List<ComponentExportRepresentation>> entry : components.entrySet()) {
            String providerType = entry.getKey();
            for (ComponentExportRepresentation compRep : entry.getValue()) {
                ComponentModel component = new ComponentModel();
                component.setId(compRep.getId());
                component.setName(compRep.getName());
                component.setConfig(compRep.getConfig());
                component.setProviderType(providerType);
                component.setProviderId(compRep.getProviderId());
                component.setSubType(compRep.getSubType());
                component.setParentId(parentId);
                component = newRealm.importComponentModel(component);
                if (compRep.getSubComponents() != null) {
                    importComponents(newRealm, compRep.getSubComponents(), component.getId());
                }
            }
        }
    }

    public static void importGroups(RealmModel realm, RealmRepresentation rep) {
        List<GroupRepresentation> groups = rep.getGroups();
        if (groups == null) return;

        GroupModel parent = null;
        for (GroupRepresentation group : groups) {
            importGroup(realm, parent, group);
        }
    }

    private static WebAuthnPolicy getWebAuthnPolicyTwoFactor(RealmRepresentation rep) {
        WebAuthnPolicy webAuthnPolicy = new WebAuthnPolicy();

        String webAuthnPolicyRpEntityName = rep.getWebAuthnPolicyRpEntityName();
        if (webAuthnPolicyRpEntityName == null || webAuthnPolicyRpEntityName.isEmpty())
            webAuthnPolicyRpEntityName = Constants.DEFAULT_WEBAUTHN_POLICY_RP_ENTITY_NAME;
        webAuthnPolicy.setRpEntityName(webAuthnPolicyRpEntityName);

        List<String> webAuthnPolicySignatureAlgorithms = rep.getWebAuthnPolicySignatureAlgorithms();
        if (webAuthnPolicySignatureAlgorithms == null || webAuthnPolicySignatureAlgorithms.isEmpty())
            webAuthnPolicySignatureAlgorithms = Arrays.asList(Constants.DEFAULT_WEBAUTHN_POLICY_SIGNATURE_ALGORITHMS.split(","));
        webAuthnPolicy.setSignatureAlgorithm(webAuthnPolicySignatureAlgorithms);

        String webAuthnPolicyRpId = rep.getWebAuthnPolicyRpId();
        if (webAuthnPolicyRpId == null || webAuthnPolicyRpId.isEmpty())
            webAuthnPolicyRpId = "";
        webAuthnPolicy.setRpId(webAuthnPolicyRpId);

        String webAuthnPolicyAttestationConveyancePreference = rep.getWebAuthnPolicyAttestationConveyancePreference();
        if (webAuthnPolicyAttestationConveyancePreference == null || webAuthnPolicyAttestationConveyancePreference.isEmpty())
            webAuthnPolicyAttestationConveyancePreference = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setAttestationConveyancePreference(webAuthnPolicyAttestationConveyancePreference);

        String webAuthnPolicyAuthenticatorAttachment = rep.getWebAuthnPolicyAuthenticatorAttachment();
        if (webAuthnPolicyAuthenticatorAttachment == null || webAuthnPolicyAuthenticatorAttachment.isEmpty())
            webAuthnPolicyAuthenticatorAttachment = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setAuthenticatorAttachment(webAuthnPolicyAuthenticatorAttachment);

        String webAuthnPolicyRequireResidentKey = rep.getWebAuthnPolicyRequireResidentKey();
        if (webAuthnPolicyRequireResidentKey == null || webAuthnPolicyRequireResidentKey.isEmpty())
            webAuthnPolicyRequireResidentKey = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setRequireResidentKey(webAuthnPolicyRequireResidentKey);

        String webAuthnPolicyUserVerificationRequirement = rep.getWebAuthnPolicyUserVerificationRequirement();
        if (webAuthnPolicyUserVerificationRequirement == null || webAuthnPolicyUserVerificationRequirement.isEmpty())
            webAuthnPolicyUserVerificationRequirement = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setUserVerificationRequirement(webAuthnPolicyUserVerificationRequirement);

        Integer webAuthnPolicyCreateTimeout = rep.getWebAuthnPolicyCreateTimeout();
        if (webAuthnPolicyCreateTimeout != null) webAuthnPolicy.setCreateTimeout(webAuthnPolicyCreateTimeout);
        else webAuthnPolicy.setCreateTimeout(0);

        Boolean webAuthnPolicyAvoidSameAuthenticatorRegister = rep.isWebAuthnPolicyAvoidSameAuthenticatorRegister();
        if (webAuthnPolicyAvoidSameAuthenticatorRegister != null) webAuthnPolicy.setAvoidSameAuthenticatorRegister(webAuthnPolicyAvoidSameAuthenticatorRegister);

        List<String> webAuthnPolicyAcceptableAaguids = rep.getWebAuthnPolicyAcceptableAaguids();
        if (webAuthnPolicyAcceptableAaguids != null) webAuthnPolicy.setAcceptableAaguids(webAuthnPolicyAcceptableAaguids);

        return webAuthnPolicy;
    }


    private static WebAuthnPolicy getWebAuthnPolicyPasswordless(RealmRepresentation rep) {
        WebAuthnPolicy webAuthnPolicy = new WebAuthnPolicy();

        String webAuthnPolicyRpEntityName = rep.getWebAuthnPolicyPasswordlessRpEntityName();
        if (webAuthnPolicyRpEntityName == null || webAuthnPolicyRpEntityName.isEmpty())
            webAuthnPolicyRpEntityName = Constants.DEFAULT_WEBAUTHN_POLICY_RP_ENTITY_NAME;
        webAuthnPolicy.setRpEntityName(webAuthnPolicyRpEntityName);

        List<String> webAuthnPolicySignatureAlgorithms = rep.getWebAuthnPolicyPasswordlessSignatureAlgorithms();
        if (webAuthnPolicySignatureAlgorithms == null || webAuthnPolicySignatureAlgorithms.isEmpty())
            webAuthnPolicySignatureAlgorithms = Arrays.asList(Constants.DEFAULT_WEBAUTHN_POLICY_SIGNATURE_ALGORITHMS.split(","));
        webAuthnPolicy.setSignatureAlgorithm(webAuthnPolicySignatureAlgorithms);

        String webAuthnPolicyRpId = rep.getWebAuthnPolicyPasswordlessRpId();
        if (webAuthnPolicyRpId == null || webAuthnPolicyRpId.isEmpty())
            webAuthnPolicyRpId = "";
        webAuthnPolicy.setRpId(webAuthnPolicyRpId);

        String webAuthnPolicyAttestationConveyancePreference = rep.getWebAuthnPolicyPasswordlessAttestationConveyancePreference();
        if (webAuthnPolicyAttestationConveyancePreference == null || webAuthnPolicyAttestationConveyancePreference.isEmpty())
            webAuthnPolicyAttestationConveyancePreference = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setAttestationConveyancePreference(webAuthnPolicyAttestationConveyancePreference);

        String webAuthnPolicyAuthenticatorAttachment = rep.getWebAuthnPolicyPasswordlessAuthenticatorAttachment();
        if (webAuthnPolicyAuthenticatorAttachment == null || webAuthnPolicyAuthenticatorAttachment.isEmpty())
            webAuthnPolicyAuthenticatorAttachment = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setAuthenticatorAttachment(webAuthnPolicyAuthenticatorAttachment);

        String webAuthnPolicyRequireResidentKey = rep.getWebAuthnPolicyPasswordlessRequireResidentKey();
        if (webAuthnPolicyRequireResidentKey == null || webAuthnPolicyRequireResidentKey.isEmpty())
            webAuthnPolicyRequireResidentKey = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setRequireResidentKey(webAuthnPolicyRequireResidentKey);

        String webAuthnPolicyUserVerificationRequirement = rep.getWebAuthnPolicyPasswordlessUserVerificationRequirement();
        if (webAuthnPolicyUserVerificationRequirement == null || webAuthnPolicyUserVerificationRequirement.isEmpty())
            webAuthnPolicyUserVerificationRequirement = Constants.DEFAULT_WEBAUTHN_POLICY_NOT_SPECIFIED;
        webAuthnPolicy.setUserVerificationRequirement(webAuthnPolicyUserVerificationRequirement);

        Integer webAuthnPolicyCreateTimeout = rep.getWebAuthnPolicyPasswordlessCreateTimeout();
        if (webAuthnPolicyCreateTimeout != null) webAuthnPolicy.setCreateTimeout(webAuthnPolicyCreateTimeout);
        else webAuthnPolicy.setCreateTimeout(0);

        Boolean webAuthnPolicyAvoidSameAuthenticatorRegister = rep.isWebAuthnPolicyPasswordlessAvoidSameAuthenticatorRegister();
        if (webAuthnPolicyAvoidSameAuthenticatorRegister != null) webAuthnPolicy.setAvoidSameAuthenticatorRegister(webAuthnPolicyAvoidSameAuthenticatorRegister);

        List<String> webAuthnPolicyAcceptableAaguids = rep.getWebAuthnPolicyPasswordlessAcceptableAaguids();
        if (webAuthnPolicyAcceptableAaguids != null) webAuthnPolicy.setAcceptableAaguids(webAuthnPolicyAcceptableAaguids);

        return webAuthnPolicy;
    }
    public static Map<String, String> importAuthenticationFlows(RealmModel newRealm, RealmRepresentation rep) {
        Map<String, String> mappedFlows = new HashMap<>();
        if (rep.getAuthenticationFlows() == null) {
            // assume this is an old version being imported
            DefaultAuthenticationFlows.migrateFlows(newRealm);
        } else {
            if (rep.getAuthenticatorConfig() != null) {
                for (AuthenticatorConfigRepresentation configRep : rep.getAuthenticatorConfig()) {
                    if (configRep.getAlias() == null) {
                        // this can happen only during import json files from keycloak 3.4.0 and older
                        throw new IllegalStateException("Provided realm contains authenticator config with null alias. "
                                + "It should be resolved by adding alias to the authenticator config before exporting the realm.");
                    }
                    AuthenticatorConfigModel model = RepresentationToModel.toModel(configRep);
                    newRealm.addAuthenticatorConfig(model);
                }
            }
            if (rep.getAuthenticationFlows() != null) {
                for (AuthenticationFlowRepresentation flowRep : rep.getAuthenticationFlows()) {
                    AuthenticationFlowModel model = RepresentationToModel.toModel(flowRep);
                    // make sure new id is generated for new AuthenticationFlowModel instance
                    String previousId = model.getId();
                    model.setId(null);
                    model = newRealm.addAuthenticationFlow(model);
                    // store the mapped ids so that clients can reference the correct flow when importing the authenticationFlowBindingOverrides
                    mappedFlows.put(previousId, model.getId());
                }
                for (AuthenticationFlowRepresentation flowRep : rep.getAuthenticationFlows()) {
                    AuthenticationFlowModel model = newRealm.getFlowByAlias(flowRep.getAlias());
                    for (AuthenticationExecutionExportRepresentation exeRep : flowRep.getAuthenticationExecutions()) {
                        AuthenticationExecutionModel execution = toModel(newRealm, model, exeRep);
                        newRealm.addAuthenticatorExecution(execution);
                    }
                }
            }
        }
        if (rep.getBrowserFlow() == null) {
            AuthenticationFlowModel defaultFlow = newRealm.getFlowByAlias(DefaultAuthenticationFlows.BROWSER_FLOW);
            if (defaultFlow != null) {
                newRealm.setBrowserFlow(defaultFlow);
            }
        } else {
            newRealm.setBrowserFlow(newRealm.getFlowByAlias(rep.getBrowserFlow()));
        }
        if (rep.getRegistrationFlow() == null) {
            AuthenticationFlowModel defaultFlow = newRealm.getFlowByAlias(DefaultAuthenticationFlows.REGISTRATION_FLOW);
            if (defaultFlow != null) {
                newRealm.setRegistrationFlow(defaultFlow);
            }
        } else {
            newRealm.setRegistrationFlow(newRealm.getFlowByAlias(rep.getRegistrationFlow()));
        }
        if (rep.getDirectGrantFlow() == null) {
            AuthenticationFlowModel defaultFlow = newRealm.getFlowByAlias(DefaultAuthenticationFlows.DIRECT_GRANT_FLOW);
            if (defaultFlow != null) {
                newRealm.setDirectGrantFlow(defaultFlow);
            }
        } else {
            newRealm.setDirectGrantFlow(newRealm.getFlowByAlias(rep.getDirectGrantFlow()));
        }

        // reset credentials + client flow needs to be more defensive as they were added later (in 1.5 )
        if (rep.getResetCredentialsFlow() == null) {
            AuthenticationFlowModel resetFlow = newRealm.getFlowByAlias(DefaultAuthenticationFlows.RESET_CREDENTIALS_FLOW);
            if (resetFlow == null) {
                DefaultAuthenticationFlows.resetCredentialsFlow(newRealm);
            } else {
                newRealm.setResetCredentialsFlow(resetFlow);
            }
        } else {
            newRealm.setResetCredentialsFlow(newRealm.getFlowByAlias(rep.getResetCredentialsFlow()));
        }
        if (rep.getClientAuthenticationFlow() == null) {
            AuthenticationFlowModel clientFlow = newRealm.getFlowByAlias(DefaultAuthenticationFlows.CLIENT_AUTHENTICATION_FLOW);
            if (clientFlow == null) {
                DefaultAuthenticationFlows.clientAuthFlow(newRealm);
            } else {
                newRealm.setClientAuthenticationFlow(clientFlow);
            }
        } else {
            newRealm.setClientAuthenticationFlow(newRealm.getFlowByAlias(rep.getClientAuthenticationFlow()));
        }

        // Added in 1.7
        if (newRealm.getFlowByAlias(DefaultAuthenticationFlows.FIRST_BROKER_LOGIN_FLOW) == null) {
            DefaultAuthenticationFlows.firstBrokerLoginFlow(newRealm, true);
        }

        // Added in 2.2
        String defaultProvider = null;
        if (rep.getIdentityProviders() != null) {
            for (IdentityProviderRepresentation i : rep.getIdentityProviders()) {
                if (i.isEnabled() && i.isAuthenticateByDefault()) {
                    defaultProvider = i.getProviderId();
                    break;
                }
            }
        }

        // Added in 3.2
        if (rep.getDockerAuthenticationFlow() == null) {
            AuthenticationFlowModel dockerAuthenticationFlow = newRealm.getFlowByAlias(DefaultAuthenticationFlows.DOCKER_AUTH);
            if (dockerAuthenticationFlow == null) {
                DefaultAuthenticationFlows.dockerAuthenticationFlow(newRealm);
            } else {
                newRealm.setDockerAuthenticationFlow(dockerAuthenticationFlow);
            }
        } else {
            newRealm.setDockerAuthenticationFlow(newRealm.getFlowByAlias(rep.getDockerAuthenticationFlow()));
        }

        DefaultAuthenticationFlows.addIdentityProviderAuthenticator(newRealm, defaultProvider);

        return mappedFlows;
    }

    private static AuthenticationExecutionModel toModel(RealmModel realm, AuthenticationFlowModel parentFlow, AuthenticationExecutionExportRepresentation rep) {
        AuthenticationExecutionModel model = new AuthenticationExecutionModel();
        if (rep.getAuthenticatorConfig() != null) {
            AuthenticatorConfigModel config = realm.getAuthenticatorConfigByAlias(rep.getAuthenticatorConfig());
            model.setAuthenticatorConfig(config.getId());
        }
        model.setAuthenticator(rep.getAuthenticator());
        model.setAuthenticatorFlow(rep.isAuthenticatorFlow());
        if (rep.getFlowAlias() != null) {
            AuthenticationFlowModel flow = realm.getFlowByAlias(rep.getFlowAlias());
            model.setFlowId(flow.getId());
        }
        model.setPriority(rep.getPriority());
        model.setRequirement(AuthenticationExecutionModel.Requirement.valueOf(rep.getRequirement()));
        model.setParentFlow(parentFlow.getId());
        return model;
    }

    private static void updateCibaSettings(RealmRepresentation rep, RealmModel realm) {
        Map<String, String> newAttributes = rep.getAttributesOrEmpty();
        CibaConfig cibaPolicy = realm.getCibaPolicy();

        cibaPolicy.setBackchannelTokenDeliveryMode(newAttributes.get(CibaConfig.CIBA_BACKCHANNEL_TOKEN_DELIVERY_MODE));
        cibaPolicy.setExpiresIn(newAttributes.get(CibaConfig.CIBA_EXPIRES_IN));
        cibaPolicy.setPoolingInterval(newAttributes.get(CibaConfig.CIBA_INTERVAL));
        cibaPolicy.setAuthRequestedUserHint(newAttributes.get(CibaConfig.CIBA_AUTH_REQUESTED_USER_HINT));
    }

    private static void updateParSettings(RealmRepresentation rep, RealmModel realm) {
        Map<String, String> newAttributes = rep.getAttributesOrEmpty();
        ParConfig parPolicy = realm.getParPolicy();

        parPolicy.setRequestUriLifespan(newAttributes.get(ParConfig.PAR_REQUEST_URI_LIFESPAN));
    }

    public static OTPPolicy toPolicy(RealmRepresentation rep) {
        OTPPolicy policy = new OTPPolicy();
        if (rep.getOtpPolicyType() != null) policy.setType(rep.getOtpPolicyType());
        if (rep.getOtpPolicyLookAheadWindow() != null) policy.setLookAheadWindow(rep.getOtpPolicyLookAheadWindow());
        if (rep.getOtpPolicyInitialCounter() != null) policy.setInitialCounter(rep.getOtpPolicyInitialCounter());
        if (rep.getOtpPolicyAlgorithm() != null) policy.setAlgorithm(rep.getOtpPolicyAlgorithm());
        if (rep.getOtpPolicyDigits() != null) policy.setDigits(rep.getOtpPolicyDigits());
        if (rep.getOtpPolicyPeriod() != null) policy.setPeriod(rep.getOtpPolicyPeriod());
        return policy;

    }


    public static RequiredActionProviderModel toModel(RequiredActionProviderRepresentation rep) {
        RequiredActionProviderModel model = new RequiredActionProviderModel();
        model.setConfig(RepresentationToModel.removeEmptyString(rep.getConfig()));
        model.setPriority(rep.getPriority());
        model.setDefaultAction(rep.isDefaultAction());
        model.setEnabled(rep.isEnabled());
        model.setProviderId(rep.getProviderId());
        model.setName(rep.getName());
        model.setAlias(rep.getAlias());
        return model;
    }


    public static void importRealmAuthorizationSettings(RealmRepresentation rep, RealmModel newRealm, KeycloakSession session) {
        if (rep.getClients() != null) {
            rep.getClients().forEach(clientRepresentation -> {
                ClientModel client = newRealm.getClientByClientId(clientRepresentation.getClientId());
                RepresentationToModel.importAuthorizationSettings(clientRepresentation, client, session);
            });
        }
    }
}
