/*
 * CppFileType.java
 *
 * Copyright (C) 2022 by Posit Software, PBC
 *
 * Unless you have received this program directly from Posit Software pursuant
 * to the terms of a commercial license agreement with Posit Software, then
 * this program is licensed to you under the terms of version 3 of the
 * GNU Affero General Public License. This program is distributed WITHOUT
 * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
 * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
 *
 */
package org.rstudio.studio.client.common.filetypes;

import java.util.HashSet;

import org.rstudio.core.client.command.AppCommand;
import org.rstudio.studio.client.common.reditor.EditorLanguage;
import org.rstudio.studio.client.workbench.commands.Commands;
import org.rstudio.studio.client.workbench.views.source.editors.text.ace.spelling.TokenPredicate;

import com.google.gwt.resources.client.ImageResource;

public class CppFileType extends TextFileType
{
   CppFileType(String id, String ext, ImageResource icon,
               boolean isCpp, boolean canSource)
   {
      super(id, "C/C++", EditorLanguage.LANG_CPP, ext, icon,
            WordWrap.DEFAULT, false, isCpp, false, false, false,
            false, false, false, true, false, true, false);

      isCpp_ = isCpp;
      canSource_ = canSource;
   }

   @Override
   public boolean isCpp()
   {
      return isCpp_;
   }

   @Override
   public boolean canSource()
   {
      return canSource_;
   }

   @Override
   public boolean canSourceWithEcho()
   {
      return false;
   }

   @Override
   public boolean canSourceOnSave()
   {
      return canSource();
   }


   @Override
   public HashSet<AppCommand> getSupportedCommands(Commands commands)
   {
      HashSet<AppCommand> result = super.getSupportedCommands(commands);
      if (isCpp())
      {
         result.add(commands.sourceActiveDocument());
         result.add(commands.sourceActiveDocumentWithEcho());
      }
      result.add(commands.commentUncomment());
      result.add(commands.reflowComment());
      result.add(commands.goToDefinition());
      result.add(commands.codeCompletion());
      result.add(commands.findUsages());

      return result;
   }

   @Override
   public TokenPredicate getSpellCheckTokenPredicate()
   {
      return (token, row, column) ->
      {
         if (reNospellType_.match(token.getType(), 0) != null) {
            return false;
         }

         return reCommentType_.match(token.getType(), 0) != null &&
            reKeywordType_.match(token.getType(), 0) == null &&
            reIdentifierType_.match(token.getType(), 0) == null;
      };
   }

   private final boolean isCpp_;
   private final boolean canSource_;
}