/*
 * Copyright 2000-2017 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.java.propertyBased;

import com.intellij.psi.*;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.testFramework.propertyBased.FilePsiMutation;
import org.jetbrains.annotations.NotNull;

import java.util.Objects;

class DeleteSecondArgument extends FilePsiMutation {
  DeleteSecondArgument(@NotNull PsiFile file) {
    super(file);
  }

  @Override
  protected void performMutation() {
    PsiTreeUtil.findChildrenOfType(getFile(), PsiCallExpression.class)
      .stream()
      .filter(PsiElement::isValid)
      .map(PsiCall::getArgumentList)
      .filter(Objects::nonNull)
      .filter(argList -> argList.getExpressionCount() > 1)
      .limit(20)
      .forEach(argList -> {
        if (!argList.isValid()) return;
        PsiExpression arg = argList.getExpressions()[1];
        if (!arg.isValid()) return;
        arg.delete();
      });
  }
}
