<?php

namespace rednaoeasycalculationforms\Utilities;

class ObjectSanitizer
{
    public static function Sanitize($obj, $dictionary)
    {
        return (new ObjectSanitizer())->SanitizeProperty($obj, $dictionary);
    }

    public function SanitizeProperty($obj, $dictionaryValue)
    {
        if(is_array($dictionaryValue) && !$this->IsAssoc($dictionaryValue))
        {
            return $this->SanitizeArray($obj, $dictionaryValue);
        }

        if(is_array($dictionaryValue) && $this->IsAssoc($dictionaryValue))
        {
            return $this->SanitizeObject($obj, $dictionaryValue);
        }

        if(is_object($dictionaryValue))
            return $this->SanitizeUnknownObject($obj, $dictionaryValue);

        if(is_string($dictionaryValue))
        {
            return Sanitizer::SanitizeString($obj);
        }

        if(is_numeric($dictionaryValue))
        {
            return Sanitizer::SanitizeNumber($obj);
        }

        if(is_numeric($dictionaryValue))
        {
            return Sanitizer::SanitizeNumber($obj);
        }

        if(is_bool($dictionaryValue))
        {
            return Sanitizer::SanitizeBoolean($obj);
        }

        if($dictionaryValue == null)
            return $obj;

        return $obj;
    }

    private function SanitizeArray($obj, $dictionary)
    {
        if(count($dictionary) == 0)
            return [];

        $arrayType = $dictionary[0];
        if(!is_array($obj))
        {
            $obj = [];
        }

        $arrayToReturn = [];
        foreach($obj as $item)
        {
            $arrayToReturn[] = $this->SanitizeProperty($item, $arrayType);
        }

        return $arrayToReturn;

    }

    function IsAssoc(array $arr)
    {
        if (array() === $arr) return false;
        return array_keys($arr) !== range(0, count($arr) - 1);
    }

    private function SanitizeObject($obj, $dictionary)
    {
        if($obj == null)
            $obj = new \stdClass();

        if(is_array($obj))
            $obj = (object) $obj;

        foreach($dictionary as $key => $value)
        {
            $tosanitizevalue = null;
            if(is_object($obj) && isset($obj->$key))
            {
                $tosanitizevalue = $obj->$key;
            }

            $obj->$key = $this->SanitizeProperty($tosanitizevalue, $value);

        }

        return $obj;

    }

    private function SanitizeUnknownObject($obj, $dictionaryValue)
    {
        if($obj == null)
            return null;

        if(is_object($obj))
            return $obj;

        $obj = json_decode($obj);
        if($obj === false)
            return null;
        return $obj;
    }
}