/*
    * Portions of this software was developed by employees of the National Institute
    * of Standards and Technology (NIST), an agency of the Federal Government and is
    * being made available as a public service. Pursuant to title 17 United States
    * Code Section 105, works of NIST employees are not subject to copyright
    * protection in the United States. This software may be subject to foreign
    * copyright. Permission in the United States and in foreign countries, to the
    * extent that NIST may hold copyright, to use, copy, modify, create derivative
    * works, and distribute this software and its documentation without fee is hereby
   * granted on a non-exclusive basis, provided that this notice and disclaimer
   * of warranty appears in all copies.
   *
   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
   */
  
  package gov.nist.secauto.metaschema.databind.codegen.typeinfo;
  
  import com.squareup.javapoet.ClassName;
  import com.squareup.javapoet.ParameterizedTypeName;
  import com.squareup.javapoet.TypeName;
  
  import gov.nist.secauto.metaschema.core.datatype.IDataTypeAdapter;
  import gov.nist.secauto.metaschema.core.model.IAssemblyInstance;
  import gov.nist.secauto.metaschema.core.model.IFieldInstance;
  import gov.nist.secauto.metaschema.core.model.INamedModelInstance;
  import gov.nist.secauto.metaschema.core.model.JsonGroupAsBehavior;
  import gov.nist.secauto.metaschema.core.util.ObjectUtils;
  
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
  import java.util.List;
  import java.util.Map;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  class ModelInstanceTypeInfoImpl
      extends AbstractInstanceTypeInfo<INamedModelInstance, IAssemblyDefinitionTypeInfo>
      implements IModelInstanceTypeInfo {
    private static final Logger LOGGER = LogManager.getLogger(ModelInstanceTypeInfoImpl.class);
  
    public ModelInstanceTypeInfoImpl(@NonNull INamedModelInstance instance,
        @NonNull IAssemblyDefinitionTypeInfo parentDefinition) {
      super(instance, parentDefinition);
    }
  
    @Override
    public @NonNull String getBaseName() {
      INamedModelInstance modelInstance = getInstance();
      String retval;
      if (modelInstance.getMaxOccurs() == -1 || modelInstance.getMaxOccurs() > 1) {
        retval = ObjectUtils.notNull(modelInstance.getGroupAsName());
      } else {
        retval = modelInstance.getEffectiveName();
      }
      return retval;
    }
  
    @Override
    public String getItemBaseName() {
      return getInstance().getEffectiveName();
    }
  
    @Override
    public @NonNull TypeName getJavaItemType() {
      INamedModelInstance instance = getInstance();
  
      TypeName retval;
      if (instance instanceof IFieldInstance) {
        IFieldInstance fieldInstance = (IFieldInstance) instance;
        if (fieldInstance.getDefinition().isSimple()) {
          IDataTypeAdapter<?> dataType = fieldInstance.getDefinition().getJavaTypeAdapter();
          // this is a simple value
          retval = ObjectUtils.notNull(ClassName.get(dataType.getJavaClass()));
        } else {
          retval = getParentDefinitionTypeInfo().getTypeResolver().getClassName(fieldInstance.getDefinition());
        }
      } else if (instance instanceof IAssemblyInstance) {
        IAssemblyInstance assemblyInstance = (IAssemblyInstance) instance;
        retval = getParentDefinitionTypeInfo().getTypeResolver().getClassName(assemblyInstance.getDefinition());
      } else {
        String msg = String.format("Unknown model instance type: %s", instance.getClass().getCanonicalName());
        LOGGER.error(msg);
        throw new IllegalStateException(msg);
      }
      return retval;
    }
  
   @Override
   public @NonNull TypeName getJavaFieldType() {
     TypeName item = getJavaItemType();
 
     @NonNull TypeName retval;
     INamedModelInstance instance = getInstance();
     int maxOccurance = instance.getMaxOccurs();
     if (maxOccurance == -1 || maxOccurance > 1) {
       if (JsonGroupAsBehavior.KEYED.equals(instance.getJsonGroupAsBehavior())) {
         retval = ObjectUtils.notNull(
             ParameterizedTypeName.get(ClassName.get(Map.class), ClassName.get(String.class), item));
       } else {
         retval = ObjectUtils.notNull(ParameterizedTypeName.get(ClassName.get(List.class), item));
       }
     } else {
       retval = item;
     }
 
     return retval;
   }
 }