/*
 * 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.siyeh.ig.fixes;

import com.intellij.codeHighlighting.HighlightDisplayLevel;
import com.intellij.codeInsight.daemon.HighlightDisplayKey;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.codeInspection.ex.InspectionProfileImpl;
import com.intellij.codeInspection.ex.InspectionToolWrapper;
import com.intellij.openapi.command.undo.BasicUndoableAction;
import com.intellij.openapi.command.undo.UndoManager;
import com.intellij.openapi.command.undo.UnexpectedUndoException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.profile.codeInspection.InspectionProjectProfileManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.scope.packageSet.NamedScope;
import com.intellij.psi.search.scope.packageSet.NamedScopesHolder;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.BaseInspection;
import com.siyeh.ig.InspectionGadgetsFix;
import com.siyeh.ig.psiutils.TestUtils;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
* @author Bas Leijdekkers
*/
public class SuppressForTestsScopeFix extends InspectionGadgetsFix {

  private final BaseInspection myInspection;

  private SuppressForTestsScopeFix(BaseInspection inspection) {
    myInspection = inspection;
  }

  @Nullable
  public static SuppressForTestsScopeFix build(BaseInspection inspection, PsiElement context) {
    if (!TestUtils.isInTestSourceContent(context)) {
      return null;
    }
    return new SuppressForTestsScopeFix(inspection);
  }

  @NotNull
  @Override
  public String getName() {
    return InspectionGadgetsBundle.message("suppress.for.tests.scope.quickfix");
  }

  @NotNull
  @Override
  public String getFamilyName() {
    return getName();
  }

  @Override
  protected boolean prepareForWriting() {
    return false;
  }

  @Override
  protected void doFix(final Project project, ProblemDescriptor descriptor) {
    addRemoveTestsScope(project, true);
    final VirtualFile vFile = descriptor.getPsiElement().getContainingFile().getVirtualFile();
    UndoManager.getInstance(project).undoableActionPerformed(new BasicUndoableAction(vFile) {
      @Override
      public void undo() throws UnexpectedUndoException {
        addRemoveTestsScope(project, false);
      }

      @Override
      public void redo() throws UnexpectedUndoException {
        addRemoveTestsScope(project, true);
      }
    });
  }

  private void addRemoveTestsScope(Project project, boolean add) {
    final InspectionProjectProfileManager profileManager = InspectionProjectProfileManager.getInstance(project);
    final InspectionProfileImpl profile = (InspectionProfileImpl)profileManager.getInspectionProfile();
    final String shortName = myInspection.getShortName();
    final InspectionToolWrapper tool = profile.getInspectionTool(shortName, project);
    if (tool == null) {
      return;
    }
    final NamedScope namedScope = NamedScopesHolder.getScope(project, "Tests");
    final HighlightDisplayKey key = HighlightDisplayKey.find(shortName);
    final HighlightDisplayLevel level = profile.getErrorLevel(key, namedScope, project);
    if (add) {
      profile.addScope(tool, namedScope, level, false, project);
    }
    else {
      profile.removeScope(shortName, 0, project);
    }
    profile.scopesChanged();
  }
}