<?php

/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright 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 PYS_PRO_GLOBAL\FacebookAds\Logger\CurlLogger;

final class JsonNode
{
    /**
     * @var int
     */
    const INDENT_UNIT = 2;
    /**
     * @var int
     */
    const EXPLOSION_THRESHOLD = 78;
    /**
     * @var mixed
     */
    protected $value;
    /**
     * @var \ArrayObject
     */
    protected $children;
    /**
     * @param mixed $value
     * @return $this
     * @throws \InvalidArgumentException
     */
    public static function factory($value)
    {
        $object = new self();
        switch (\true) {
            case \is_object($value):
                $value = (array) $value;
            // fallthrough
            case \is_array($value):
                foreach ($value as $key => $sub) {
                    $object->getChildren()->offsetSet($key, self::factory($sub));
                }
            // fallthrough
            case \is_null($value) || \is_scalar($value):
                $object->setValue($value);
                break;
            default:
                throw new \InvalidArgumentException(\gettype($value) . ' can\'t be encoded');
        }
        return $object;
    }
    public function __construct()
    {
        $this->children = new \ArrayObject();
    }
    /**
     * @return mixed
     */
    public function getValue()
    {
        return $this->value;
    }
    /**
     * @param mixed $value
     * @return $this
     */
    public function setValue($value)
    {
        $this->value = $value;
        return $this;
    }
    /**
     * @return \ArrayObject
     */
    public function getChildren()
    {
        return $this->children;
    }
    /**
     * @return int
     */
    public function getMaxTreeChildrenCount()
    {
        $max = $this->getChildren()->count();
        /** @var JsonNode $child */
        foreach ($this->getChildren() as $child) {
            $ith = $child->getMaxTreeChildrenCount();
            $max = $ith > $max ? $ith : $max;
        }
        return $max;
    }
    /**
     * @param int $indent
     * @return string
     */
    protected function getPadding($indent)
    {
        return \str_repeat(' ', $indent * self::INDENT_UNIT);
    }
    /**
     * @return mixed
     */
    protected function getLastChildKey()
    {
        if ($this->getChildren()->count() === 0) {
            return null;
        }
        $copy = $this->getChildren()->getArrayCopy();
        \end($copy);
        return \key($copy);
    }
    /**
     * @param int $indent
     * @return string
     */
    protected function encodeList($indent)
    {
        $value = $this->getValue();
        if (empty($value) || \array_keys($value) === \range(0, \count($value) - 1)) {
            $is_map = \false;
        } else {
            $is_map = \true;
        }
        ++$indent;
        $last_key = $this->getLastChildKey();
        $buffer = ($is_map ? '{' : '[') . "\n";
        /** @var JsonNode $child */
        foreach ($this->getChildren() as $key => $child) {
            $buffer .= \sprintf("%s%s%s%s\n", $this->getPadding($indent), $is_map ? \sprintf("%s: ", \json_encode($key)) : '', $child->encode($indent), $key === $last_key ? '' : ',');
        }
        --$indent;
        $buffer .= $this->getPadding($indent) . ($is_map ? '}' : ']');
        return $buffer;
    }
    /**
     * @param int $indent
     * @return string
     */
    public function encode($indent = 0)
    {
        $value = $this->getValue();
        if (\is_array($value) || \is_object($value)) {
            if ($this->getMaxTreeChildrenCount() > 2) {
                return $this->encodeList($indent);
            }
            $ugly = \json_encode($value);
            $output_prediction = $this->getPadding($indent) . $ugly;
            if (\strlen($output_prediction) > self::EXPLOSION_THRESHOLD) {
                return $this->encodeList($indent);
            }
            return $ugly;
        }
        return \json_encode($value);
    }
}
