/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * 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 com.intellij.coldFusion.model.files;

import com.intellij.coldFusion.model.CfmlLanguage;
import com.intellij.coldFusion.model.parsers.CfmlElementTypes;
import com.intellij.lang.Language;
import com.intellij.lang.LanguageParserDefinitions;
import com.intellij.lang.StdLanguages;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.MultiplePsiFilesPerDocumentFileViewProvider;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.impl.source.PsiFileImpl;
import com.intellij.psi.templateLanguages.TemplateLanguageFileViewProvider;
import com.intellij.sql.psi.SqlLanguage;
import gnu.trove.THashSet;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Arrays;
import java.util.Set;

/**
 * Created by Lera Nikolaenko
 * Date: 06.10.2008
 */
public class CfmlFileViewProvider extends MultiplePsiFilesPerDocumentFileViewProvider implements TemplateLanguageFileViewProvider {

  private static final THashSet<Language> ourRelevantLanguages =
    new THashSet<>(Arrays.asList(StdLanguages.HTML, CfmlLanguage.INSTANCE));


  public CfmlFileViewProvider(final PsiManager manager, final VirtualFile virtualFile, final boolean physical) {
    super(manager, virtualFile, physical);
  }

  @Override
  @NotNull
  public Language getBaseLanguage() {
    return CfmlLanguage.INSTANCE;
  }

  @Override
  @NotNull
  public Set<Language> getLanguages() {
    return ourRelevantLanguages;
  }

  @Override
  @Nullable
  protected PsiFile createFile(@NotNull final Language lang) {
    if (lang == getTemplateDataLanguage()) {
      // final PsiFileImpl file = (PsiFileImpl)LanguageParserDefinitions.INSTANCE.forLanguage(lang).createFile(this);

      final PsiFileImpl file = (PsiFileImpl)LanguageParserDefinitions.INSTANCE.forLanguage(StdLanguages.HTML).createFile(this);
      file.setContentElementType(CfmlElementTypes.TEMPLATE_DATA);
      return file;
    }
    if (lang == SqlLanguage.INSTANCE) {
      final PsiFileImpl file = (PsiFileImpl)LanguageParserDefinitions.INSTANCE.forLanguage(SqlLanguage.INSTANCE).createFile(this);
      file.setContentElementType(CfmlElementTypes.SQL_DATA);
      return file;
    }

    if (lang == getBaseLanguage()) {
      return LanguageParserDefinitions.INSTANCE.forLanguage(lang).createFile(this);
    }
    return null;
  }

  @Override
  protected CfmlFileViewProvider cloneInner(final VirtualFile copy) {
    return new CfmlFileViewProvider(getManager(), copy, false);
  }

  @Override
  @NotNull
  public Language getTemplateDataLanguage() {
    return StdLanguages.HTML;
  }
}