/*
 * 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.UI.editorActions.completionProviders;

import com.intellij.codeInsight.completion.AllClassesGetter;
import com.intellij.codeInsight.completion.CompletionParameters;
import com.intellij.codeInsight.completion.CompletionProvider;
import com.intellij.codeInsight.completion.CompletionResultSet;
import com.intellij.coldFusion.model.psi.CfmlExpression;
import com.intellij.coldFusion.model.psi.CfmlFunctionCallExpression;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.Consumer;
import com.intellij.util.ProcessingContext;
import org.jetbrains.annotations.NotNull;

/**
 * @author vnikolaenko
 * @date 23.01.11
 */
public class CfmlJavaClassNamesCompletion extends CompletionProvider<CompletionParameters> {
  @Override
  protected void addCompletions(@NotNull CompletionParameters parameters,
                                ProcessingContext context,
                                @NotNull final CompletionResultSet result) {
    PsiElement element = parameters.getPosition();
    CfmlFunctionCallExpression parentOfType = PsiTreeUtil.getParentOfType(element, CfmlFunctionCallExpression.class);
    if (parentOfType != null && parentOfType.isCreateObject()) {
      CfmlExpression[] arguments = parentOfType.getArguments();
      if (arguments.length == 2 && "\"java\"".equalsIgnoreCase(arguments[0].getText())) {
        AllClassesGetter
          .processJavaClasses(parameters, result.getPrefixMatcher(), parameters.getInvocationCount() <= 1,
                              psiClass -> result.addElement(AllClassesGetter.createLookupItem(psiClass, AllClassesGetter.TRY_SHORTENING)));
      }
    }
  }
}