<?php

namespace rednaoeasycalculationforms\Utilities;

class Sanitizer
{
    public static function SanitizeString($value, $defaultValue = '')
    {
        if($value == null)
            return $defaultValue;

        if(is_array($value))
            return $defaultValue;
        if(is_object($value))
            return $defaultValue;

        return strval($value);
    }

    public static function SanitizeHTMLSize($size, $ifNumberAppend = 'px')
    {
        $size = trim($size);
        if(preg_match('/\d+(\\.?)\d*(px|%)?/', $size))
        {
            if(!str_ends_with(strtolower($size), 'px') && !str_ends_with($size, '%'))
                $size .= 'px';

            return $size;
        }

        return '';

    }

    public static function SanitizeWithRegex($value, $regex, $defaultValue = '')
    {
        if(!is_string($value))
            return $defaultValue;
        if(!preg_match($regex, $value))
            return $defaultValue;

        return $value;
    }

    public static function SanitizeSTDClass($value)
    {
        if($value == null)
            return null;

        if(is_array($value))
            return (object) $value;

        if(is_object($value))
            return $value;

        return null;

    }

    public static function SanitizeNumber($value, $defaultValue = 0)
    {
        if($value == null || !is_numeric($value))
            return $defaultValue;

        return floatval($value);

    }

    public static function SanitizeArray($value, $convertToArrayIfPossible = false)
    {
        if($value == null)
            return [];

        if(is_array($value))
            return $value;

        if(is_scalar($value))
        {
            if ($convertToArrayIfPossible)
                return [$value];
            else
                return [];
        }

        return [];

    }

    public static function SanitizeBoolean($value, $defaultValue = false)
    {
        if($value === null)
            return $defaultValue;

        if(is_bool($value))
            return $value;

        return $defaultValue;

    }

    public static function GetStringValueFromPath($value, $path, $defaultValue = null)
    {
        return Sanitizer::SanitizeString(Sanitizer::GetValueFromPath($value, $path, $defaultValue));
    }

    public static function GetBooleanValueFromPath($value, $path, $defaultValue = null)
    {
        return Sanitizer::SanitizeBoolean(Sanitizer::GetValueFromPath($value, $path, $defaultValue));
    }

    public static function GetNumberValueFromPath($value, $path, $defaultValue = null)
    {
        return Sanitizer::SanitizeNumber(Sanitizer::GetValueFromPath($value, $path, $defaultValue));
    }

    public static function GetValueFromPath($obj, $path, $defaultValue = null)
    {
        if(!is_array($path))
            $path = [$path];
        if($obj == null)
            return $defaultValue;

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

        while($currentPath = array_shift($path))
        {
            if(isset($obj->{$currentPath}))
            {
                $obj = $obj->{$currentPath};
                if(Sanitizer::IsAssoc($obj))
                    $obj = (object) $obj;
            }else
                return $defaultValue;
        }

        return $obj;
    }

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

    public static function PathExist($obj, $path)
    {
        if(!is_array($path))
            $path = [$path];
        if($obj == null)
            return null;

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

        while($currentPath = array_shift($path))
        {
            if(isset($obj->{$currentPath}))
            {
                $obj = $obj->{$currentPath};
                if(is_array($obj))
                    $obj = (object) $obj;
            }else
                return false;
        }

        return true;

    }

    public static function SanitizeWebSize($size, $default = '0px')
    {
        $size = trim($size);
        if (preg_match('/^\d+(\.\d+)?(px|%|em)?$/', $size)) {
            if (!preg_match('/(px|%|em)$/', $size)) {
                $size .= 'px';
            }
            return $size;
        }
        return $default;
    }

}