/*
    * 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.basepom.mojo.propertyhelper.groups;
  
  import org.basepom.mojo.propertyhelper.FieldContext;
  import org.basepom.mojo.propertyhelper.IgnoreWarnFail;
  import org.basepom.mojo.propertyhelper.definitions.PropertyDefinition;
  import org.basepom.mojo.propertyhelper.definitions.PropertyGroupDefinition;
  
  import java.util.Map;
  import java.util.Optional;
  import java.util.Set;
  
  import com.google.common.collect.ImmutableSet;
  
  public class PropertyGroup {
  
      private final PropertyGroupDefinition propertyGroupDefinition;
      private final FieldContext context;
  
      public PropertyGroup(PropertyGroupDefinition propertyGroupDefinition, FieldContext context) {
          this.propertyGroupDefinition = propertyGroupDefinition;
          this.context = context;
      }
  
      public String getId() {
          return propertyGroupDefinition.getId();
      }
  
      public boolean checkActive(boolean isSnapshot) {
          return (propertyGroupDefinition.isActiveOnRelease() && !isSnapshot)
              || (propertyGroupDefinition.isActiveOnSnapshot() && isSnapshot);
      }
  
      public IgnoreWarnFail getOnDuplicateProperty() {
          return propertyGroupDefinition.getOnDuplicateProperty();
      }
  
      public String getPropertyValue(final PropertyDefinition propertyDefinition, final Map<String, String> propElements) {
  
          return Optional.ofNullable(propertyDefinition.getValue())
              .map(context.getInterpolatorFactory().interpolate(propertyDefinition.getName(), propertyGroupDefinition.getOnMissingField(), propElements))
              .map(context.getTransformerRegistry().applyTransformers(propertyDefinition.getTransformers()))
              .orElse("");
      }
  
      public Set<PropertyResult> createProperties(final Map<String, String> values) {
          return propertyGroupDefinition.getPropertyDefinitions().stream()
              .map(propertyDefinition -> new PropertyResult(propertyDefinition.getName(),
                  getPropertyValue(propertyDefinition, values)))
              .collect(ImmutableSet.toImmutableSet());
      }
  }