/*
    * Themis: Java Project Framework
    * Copyright 2012-2026. Tony Washer
    *
    * 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 io.github.tonywasher.joceanus.themis.parser.project;
  
  import io.github.tonywasher.joceanus.metis.field.MetisFieldItem;
  import io.github.tonywasher.joceanus.metis.field.MetisFieldSet;
  import io.github.tonywasher.joceanus.oceanus.base.OceanusException;
  import io.github.tonywasher.joceanus.oceanus.format.OceanusDataFormatter;
  import io.github.tonywasher.joceanus.themis.parser.base.ThemisDataResource;
  import io.github.tonywasher.joceanus.themis.parser.base.ThemisInstance.ThemisClassInstance;
  import io.github.tonywasher.joceanus.themis.parser.base.ThemisInstance.ThemisNodeInstance;
  import io.github.tonywasher.joceanus.themis.parser.base.ThemisParserDef;
  import io.github.tonywasher.joceanus.themis.parser.node.ThemisNodeCompilationUnit;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Analysis representation of a java file.
   */
  public class ThemisFile
          implements MetisFieldItem {
      /**
       * Report fields.
       */
      private static final MetisFieldSet<ThemisFile> FIELD_DEFS = MetisFieldSet.newFieldSet(ThemisFile.class);
  
      /*
       * Declare Fields.
       */
      static {
          FIELD_DEFS.declareLocalField(ThemisDataResource.DATA_NAME, ThemisFile::getName);
          FIELD_DEFS.declareLocalField(ThemisDataResource.DATA_CLASSES, ThemisFile::getClasses);
      }
  
      /**
       * The java suffix.
       */
      public static final String SFX_JAVA = ".java";
  
      /**
       * The location of the file.
       */
      private final File theLocation;
  
      /**
       * The name of the file.
       */
      private final String theName;
  
      /**
       * The class list.
       */
      private final List<ThemisClassInstance> theClasses;
  
      /**
       * The contents.
       */
      private ThemisNodeCompilationUnit theContents;
  
      /**
       * Constructor.
       *
       * @param pFile the file to analyse
       */
      ThemisFile(final File pFile) {
          /* Store the parameters */
          theLocation = pFile;
          theName = pFile.getName().replace(SFX_JAVA, "");
          theClasses = new ArrayList<>();
      }
  
      @Override
      public MetisFieldSet<ThemisFile> getDataFieldSet() {
          return FIELD_DEFS;
      }
  
      @Override
      public String formatObject(final OceanusDataFormatter pFormatter) {
          return toString();
      }
  
      /**
       * Obtain the name of the fileClass.
      *
      * @return the name
      */
     public String getName() {
         return theName;
     }
 
     /**
      * Obtain the location of the fileClass.
      *
      * @return the location
      */
     public String getLocation() {
         return theLocation.getAbsolutePath();
     }
 
     /**
      * Obtain the contents.
      *
      * @return the contents
      */
     public ThemisNodeCompilationUnit getContents() {
         return theContents;
     }
 
     /**
      * Obtain the classList.
      *
      * @return the classList
      */
     public List<ThemisClassInstance> getClasses() {
         return theClasses;
     }
 
     @Override
     public String toString() {
         return theName;
     }
 
     /**
      * Process the file.
      *
      * @param pParser the parser
      * @throws OceanusException on error
      */
     void parseJavaCode(final ThemisParserDef pParser) throws OceanusException {
         /* Set the current file */
         pParser.setCurrentFile(theLocation);
 
         /* Parse the file */
         theContents = (ThemisNodeCompilationUnit) pParser.parseJavaFile();
 
         /* Check that we have a class that is the same name as the file */
         final ThemisClassInstance myClass = theContents.getContents();
         if (!theName.equals(myClass.getName())) {
             throw pParser.buildException("Incorrect name for class in file", ((ThemisNodeInstance) myClass).getNode());
         }
 
         /* Obtain a copy of the classList from the parser */
         theClasses.addAll(pParser.getClasses());
     }
 }