<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

namespace Kint\Value;

use Kint\Value\Context\ContextInterface;
use SimpleXMLElement;

class SimpleXMLElementValue extends InstanceValue
{
    /** @psalm-readonly */
    protected ?string $text_content;

    /** @psalm-param list<SimpleXMLElementValue> $children */
    public function __construct(
        ContextInterface $context,
        SimpleXMLElement $element,
        array $children,
        ?string $text_content
    ) {
        parent::__construct($context, \get_class($element), \spl_object_hash($element), \spl_object_id($element));

        $this->children = $children;
        $this->text_content = $text_content;
    }

    public function getHint(): string
    {
        return parent::getHint() ?? 'simplexml_element';
    }

    public function getDisplaySize(): ?string
    {
        if ((bool) $this->children) {
            return (string) \count($this->children);
        }

        if (null !== $this->text_content) {
            return (string) \strlen($this->text_content);
        }

        return null;
    }

    public function getDisplayValue(): ?string
    {
        if ((bool) $this->children) {
            return parent::getDisplayValue();
        }

        if (null !== $this->text_content) {
            return '"'.$this->text_content.'"';
        }

        return null;
    }
}