/*
 * 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.jetbrains.python.inspections.quickfix;

import com.intellij.codeInspection.LocalQuickFix;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import com.intellij.refactoring.rename.RenameProcessor;
import com.jetbrains.python.PyBundle;
import com.jetbrains.python.psi.PyReferenceExpression;
import com.jetbrains.python.psi.PyTargetExpression;
import org.jetbrains.annotations.NotNull;

public class PyMakePublicQuickFix implements LocalQuickFix {
  @NotNull
  @Override
  public String getName() {
    return PyBundle.message("QFIX.make.public");
  }

  @NotNull
  @Override
  public String getFamilyName() {
    return PyBundle.message("QFIX.make.public");
  }

  @Override
  public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
    PsiElement element = descriptor.getPsiElement();
    if (element instanceof PyReferenceExpression) {
      final PsiReference reference = element.getReference();
      if (reference == null) return;
      element = reference.resolve();
    }
    if (element instanceof PyTargetExpression) {
      final String name = ((PyTargetExpression)element).getName();
      if (name == null) return;
      final VirtualFile virtualFile = element.getContainingFile().getVirtualFile();
      if (virtualFile != null) {
        final String publicName = StringUtil.trimLeading(name, '_');
        new RenameProcessor(project, element, publicName, false, false).run();
      }
    }
  }
}