package org.keycloak.protocol.cas.mappers;

import org.keycloak.models.ProtocolMapperModel;
import org.keycloak.models.UserModel;
import org.keycloak.models.UserSessionModel;
import org.keycloak.models.utils.KeycloakModelUtils;
import org.keycloak.protocol.ProtocolMapperUtils;
import org.keycloak.protocol.oidc.mappers.OIDCAttributeMapperHelper;
import org.keycloak.provider.ProviderConfigProperty;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class UserAttributeMapper extends AbstractCASProtocolMapper {
    private static final List<ProviderConfigProperty> configProperties = new ArrayList<ProviderConfigProperty>();

    static {
        ProviderConfigProperty property;
        property = new ProviderConfigProperty();
        property.setName(ProtocolMapperUtils.USER_ATTRIBUTE);
        property.setLabel(ProtocolMapperUtils.USER_MODEL_ATTRIBUTE_LABEL);
        property.setHelpText(ProtocolMapperUtils.USER_MODEL_ATTRIBUTE_HELP_TEXT);
        property.setType(ProviderConfigProperty.STRING_TYPE);
        configProperties.add(property);
        OIDCAttributeMapperHelper.addTokenClaimNameConfig(configProperties);
        OIDCAttributeMapperHelper.addJsonTypeConfig(configProperties);

        property = new ProviderConfigProperty();
        property.setName(ProtocolMapperUtils.MULTIVALUED);
        property.setLabel(ProtocolMapperUtils.MULTIVALUED_LABEL);
        property.setHelpText(ProtocolMapperUtils.MULTIVALUED_HELP_TEXT);
        property.setType(ProviderConfigProperty.BOOLEAN_TYPE);
        configProperties.add(property);

    }

    public static final String PROVIDER_ID = "cas-usermodel-attribute-mapper";


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

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

    @Override
    public String getDisplayType() {
        return "User Attribute";
    }

    @Override
    public String getHelpText() {
        return "Map a custom user attribute to a token claim.";
    }

    @Override
    public void setAttribute(Map<String, Object> attributes, ProtocolMapperModel mappingModel, UserSessionModel userSession) {
        UserModel user = userSession.getUser();
        String attributeName = mappingModel.getConfig().get(ProtocolMapperUtils.USER_ATTRIBUTE);
        List<String> attributeValue = KeycloakModelUtils.resolveAttribute(user, attributeName);
        setMappedAttribute(attributes, mappingModel, attributeValue);
    }

    public static ProtocolMapperModel create(String name, String userAttribute,
                                             String tokenClaimName, String claimType,
                                             boolean multivalued) {
        ProtocolMapperModel mapper = CASAttributeMapperHelper.createClaimMapper(name, tokenClaimName,
                claimType, PROVIDER_ID);
        mapper.getConfig().put(ProtocolMapperUtils.USER_ATTRIBUTE, userAttribute);
        if (multivalued) {
            mapper.getConfig().put(ProtocolMapperUtils.MULTIVALUED, "true");
        }
        return mapper;
    }
}

@@ -418,24 +418,53 @@
 .ArrayList;%0A
+import java.util.Collection;%0A
 import java.
@@ -470,24 +470,24 @@
 .util.List;%0A
-
 import java.
@@ -1601,24 +1601,386 @@
 property);%0A%0A
+        property = new ProviderConfigProperty();%0A        property.setName(ProtocolMapperUtils.AGGREGATE_ATTRS);%0A        property.setLabel(ProtocolMapperUtils.AGGREGATE_ATTRS_LABEL);%0A        property.setHelpText(ProtocolMapperUtils.AGGREGATE_ATTRS_HELP_TEXT);%0A        property.setType(ProviderConfigProperty.BOOLEAN_TYPE);%0A        configProperties.add(property);%0A
     %7D%0A%0A    p
@@ -2754,20 +2754,143 @@
         
-List
+boolean aggregateAttrs = Boolean.valueOf(mappingModel.getConfig().get(ProtocolMapperUtils.AGGREGATE_ATTRS));%0A        Collection
 %3CString%3E
@@ -2962,16 +2962,32 @@
 buteName
+, aggregateAttrs
 );%0A     
@@ -3284,32 +3284,388 @@
  multivalued) %7B%0A
+        return create(name, userAttribute, tokenClaimName, claimType, multivalued, false);%0A    %7D%0A%0A    public static ProtocolMapperModel create(String name, String userAttribute,%0A                                             String tokenClaimName, String claimType,%0A                                             boolean multivalued, boolean aggregateAttrs) %7B%0A
         Protocol
@@ -3893,32 +3893,32 @@
 (multivalued) %7B%0A
-
             mapp
@@ -3988,16 +3988,137 @@
       %7D%0A
+        if (aggregateAttrs) %7B%0A            mapper.getConfig().put(ProtocolMapperUtils.AGGREGATE_ATTRS, %22true%22);%0A        %7D%0A
         

update for KEYCLOAK-8708 Provide aggregation of group attributes for mappers