/*
 * Copyright 2003-2017 Dave Griffith, Bas Leijdekkers
 *
 * 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.ipp.conditional;

import com.intellij.psi.PsiConditionalExpression;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiErrorElement;
import com.intellij.psi.PsiExpression;
import com.intellij.psi.util.PsiTreeUtil;
import com.siyeh.ipp.base.PsiElementPredicate;

class FlipConditionalPredicate implements PsiElementPredicate {

  @Override
  public boolean satisfiedBy(PsiElement element) {
    if (!(element instanceof PsiConditionalExpression conditionalExpression)) {
      return false;
    }
    final PsiExpression condition = conditionalExpression.getCondition();
    return !(PsiTreeUtil.getDeepestLast(condition) instanceof PsiErrorElement) &&
           !(PsiTreeUtil.getDeepestLast(element) instanceof PsiErrorElement) &&
           conditionalExpression.getThenExpression() != null &&
           conditionalExpression.getElseExpression() != null;
  }
}