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<?php

/**
 *
 * @package   Duplicator
 * @copyright (c) 2021, Snapcreek LLC
 */

namespace Duplicator\Libs\Snap\JsonSerialize;

use Duplicator\Libs\Snap\SnapJson;
use Duplicator\Libs\Snap\SnapLog;
use Exception;

/**
 * This class serializes and deserializes a variable in json keeping the class type and saving also private objects
 */
class JsonSerialize extends AbstractJsonSerializeObjData
{
    /**
     * Return json string
     *
     * @param mixed   $value value to serialize
     * @param integer $flags json_encode flags
     * @param integer $depth json_encode depth
     *
     * @link https://www.php.net/manual/en/function.json-encode.php
     *
     * @return string|bool  Returns a JSON encoded string on success or false on failure.
     */
    public static function serialize($value, $flags = 0, $depth = 512)
    {
        return SnapJson::jsonEncode(self::valueToJsonData($value, $flags), $flags, $depth);
    }

    /**
     * Unserialize from json
     *
     * @param string  $json  json string
     * @param integer $depth json_decode depth
     * @param integer $flags json_decode flags
     *
     * @link https://www.php.net/manual/en/function.json-decode.php
     *
     * @return mixed
     */
    public static function unserialize($json, $depth = 512, $flags = 0)
    {
        // phpcs:ignore PHPCompatibility.FunctionUse.NewFunctionParameters.json_decode_optionsFound
        $publicArray = (version_compare(PHP_VERSION, '5.4', '>=') ? json_decode($json, true, $depth, $flags) : json_decode($json, true, $depth)
        );
        return self::jsonDataToValue($publicArray);
    }

    /**
     * Unserialize json on passed object
     *
     * @param string        $json  json string
     * @param object|string $obj   object to fill or class name
     * @param integer       $depth json_decode depth
     * @param integer       $flags json_decode flags
     *
     * @link https://www.php.net/manual/en/function.json-decode.php
     *
     * @return object
     */
    public static function unserializeToObj($json, $obj, $depth = 512, $flags = 0)
    {
        if (is_object($obj)) {
        } elseif (is_string($obj) && class_exists($obj)) {
            $obj = self::getObjFromClass($obj);
        } else {
            throw new Exception('invalid obj param');
        }
        // phpcs:ignore PHPCompatibility.FunctionUse.NewFunctionParameters.json_decode_optionsFound
        $value = (version_compare(PHP_VERSION, '5.4', '>=') ? json_decode($json, true, $depth, $flags) : json_decode($json, true, $depth)
        );
        if (!is_array($value)) {
            throw new Exception('json value isn\'t an array VALUE: ' . SnapLog::v2str($value));
        }
        return self::fillObjFromValue($value, $obj);
    }
}