///////////////////////////////////////////////////////////////////////////////////////////////
   // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
   // Copyright (C) 2001-2025 the original author or authors.
   //
   // This library is free software; you can redistribute it and/or
   // modify it under the terms of the GNU Lesser General Public
   // License as published by the Free Software Foundation; either
   // version 2.1 of the License, or (at your option) any later version.
   //
  // This library is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  // Lesser General Public License for more details.
  //
  // You should have received a copy of the GNU Lesser General Public
  // License along with this library; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  ///////////////////////////////////////////////////////////////////////////////////////////////
  
  package com.puppycrawl.tools.checkstyle.checks.indentation;
  
  import com.puppycrawl.tools.checkstyle.api.DetailAST;
  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  import com.puppycrawl.tools.checkstyle.utils.TokenUtil;
  
  /**
   * Handler for operator new.
   */
  public class NewHandler extends AbstractExpressionHandler {
  
      /** The AST which is handled by this handler. */
      private final DetailAST mainAst;
  
      /**
       * Construct an instance of this handler with the given indentation check,
       * abstract syntax tree, and parent handler.
       *
       * @param indentCheck   the indentation check
       * @param ast           the abstract syntax tree
       * @param parent        the parent handler
       */
      public NewHandler(IndentationCheck indentCheck,
                        DetailAST ast,
                        AbstractExpressionHandler parent) {
          super(indentCheck, "new", ast, parent);
          mainAst = ast;
      }
  
      @Override
      public void checkIndentation() {
          // if new is on the line start and it is not the part of assignment.
          if (isOnStartOfLine(mainAst)) {
              final int columnNo = expandedTabsColumnNo(mainAst);
              final IndentLevel level = getIndentImpl();
  
              final boolean forceStrictCondition = getIndentCheck().isForceStrictCondition();
              if (forceStrictCondition && !level.isAcceptable(columnNo)
                  || !forceStrictCondition && level.isGreaterThan(columnNo)) {
                  logError(mainAst, "", columnNo, level);
              }
          }
  
          final DetailAST firstChild = mainAst.getFirstChild();
          if (firstChild != null) {
              checkExpressionSubtree(firstChild, getIndent(), false, false);
          }
  
          final DetailAST expression = mainAst.findFirstToken(TokenTypes.ELIST);
          if (checkNestedNew(expression) && isOnStartOfLine(expression)) {
              final IndentLevel indentLevel = new IndentLevel(getIndent(),
                      getLineWrappingIndent());
              checkExpressionSubtree(expression, indentLevel, false, false);
          }
  
          final DetailAST lparen = mainAst.findFirstToken(TokenTypes.LPAREN);
          checkLeftParen(lparen);
      }
  
      /**
       * Check if nested {@code new} present.
       *
       * @param expression expression
       *
       * @return true if nested new is present.
       */
      public boolean checkNestedNew(DetailAST expression) {
          boolean result = false;
          if (expression != null && expression.getFirstChild() != null) {
              final boolean isNestedNewPresent = expression.getFirstChild()
                  .findFirstToken(TokenTypes.LITERAL_NEW) != null;
              if (!isNestedNewPresent) {
                  result = true;
              }
          }
          return result;
      }
  
      @Override
      public IndentLevel getSuggestedChildIndent(AbstractExpressionHandler child) {
         final int offset;
         if (TokenUtil.isOfType(child.getMainAst(), TokenTypes.OBJBLOCK)) {
             offset = getBasicOffset();
         }
         else {
             offset = getLineWrappingIndent();
         }
         return new IndentLevel(getIndent(), offset);
     }
 
     @Override
     protected IndentLevel getIndentImpl() {
         IndentLevel result;
         // if our expression isn't first on the line, just use the start
         // of the line
         if (getLineStart(mainAst) == mainAst.getColumnNo()) {
             result = super.getIndentImpl();
 
             final boolean isLineWrappedNew = TokenUtil.isOfType(mainAst.getParent().getParent(),
                                         TokenTypes.ASSIGN, TokenTypes.LITERAL_RETURN);
 
             if (isLineWrappedNew || doesChainedMethodNeedsLineWrapping()) {
                 result = new IndentLevel(result, getLineWrappingIndent());
             }
         }
         else {
             result = new IndentLevel(getLineStart(mainAst));
         }
 
         return result;
     }
 
     /**
      * A shortcut for {@code IndentationCheck} property.
      *
      * @return value of lineWrappingIndentation property
      *         of {@code IndentationCheck}
      */
     private int getLineWrappingIndent() {
         return getIndentCheck().getLineWrappingIndentation();
     }
 
     @Override
     protected boolean shouldIncreaseIndent() {
         return false;
     }
 
     /**
      * The function checks if the new keyword is a child of chained method calls,
      * it checks if the new is directly followed by equal operator or return operator.
      *
      * @return true if the new it is chained method calls and new keyword is directly followed
      *         by assign or return
      */
     private boolean doesChainedMethodNeedsLineWrapping() {
         DetailAST ast = mainAst.getParent();
 
         while (TokenUtil.isOfType(ast, TokenTypes.DOT, TokenTypes.METHOD_CALL, TokenTypes.EXPR)) {
             ast = ast.getParent();
         }
 
         return TokenUtil.isOfType(ast, TokenTypes.ASSIGN, TokenTypes.LITERAL_RETURN);
     }
 
 }