<?php



/*

 * This file is part of the Prophecy.

 * (c) Konstantin Kudryashov <ever.zet@gmail.com>

 *     Marcello Duarte <marcello.duarte@gmail.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */



namespace Prophecy\Doubler\Generator\Node;



/**

 * Argument node.

 *

 * @author Konstantin Kudryashov <ever.zet@gmail.com>

 */

class ArgumentNode

{

    private $name;

    private $default;

    private $optional    = false;

    private $byReference = false;

    private $isVariadic  = false;



    /** @var ArgumentTypeNode */

    private $typeNode;



    /**

     * @param string $name

     */

    public function __construct($name)

    {

        $this->name = $name;

        $this->typeNode = new ArgumentTypeNode();

    }



    public function getName()

    {

        return $this->name;

    }



    public function setTypeNode(ArgumentTypeNode $typeNode)

    {

        $this->typeNode = $typeNode;

    }



    public function getTypeNode() : ArgumentTypeNode

    {

        return $this->typeNode;

    }



    public function hasDefault()

    {

        return $this->isOptional() && !$this->isVariadic();

    }



    public function getDefault()

    {

        return $this->default;

    }



    public function setDefault($default = null)

    {

        $this->optional = true;

        $this->default  = $default;

    }



    public function isOptional()

    {

        return $this->optional;

    }



    public function setAsPassedByReference($byReference = true)

    {

        $this->byReference = $byReference;

    }



    public function isPassedByReference()

    {

        return $this->byReference;

    }



    public function setAsVariadic($isVariadic = true)

    {

        $this->isVariadic = $isVariadic;

    }



    public function isVariadic()

    {

        return $this->isVariadic;

    }



    /**

     * @deprecated use getArgumentTypeNode instead

     * @return string|null

     */

    public function getTypeHint()

    {

        $type = $this->typeNode->getNonNullTypes() ? $this->typeNode->getNonNullTypes()[0] : null;



        return $type ? ltrim($type, '\\') : null;

    }



    /**

     * @deprecated use setArgumentTypeNode instead

     * @param string|null $typeHint

     */

    public function setTypeHint($typeHint = null)

    {

        $this->typeNode = ($typeHint === null) ? new ArgumentTypeNode() : new ArgumentTypeNode($typeHint);

    }



    /**

     * @deprecated use getArgumentTypeNode instead

     * @return bool

     */

    public function isNullable()

    {

        return $this->typeNode->canUseNullShorthand();

    }



    /**

     * @deprecated use getArgumentTypeNode instead

     * @param bool $isNullable

     */

    public function setAsNullable($isNullable = true)

    {

        $nonNullTypes = $this->typeNode->getNonNullTypes();

        $this->typeNode = $isNullable ? new ArgumentTypeNode('null', ...$nonNullTypes) : new ArgumentTypeNode(...$nonNullTypes);

    }

}

