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<?php
namespace Ipolh\SDEK\Core\Entity\Packing;
/**
* Class MebiysDimMerger
* @package Ipolh\SDEK\Core
* @subpackage Packing
*/
class MebiysDimMerger implements DimensionsMerger
{
/**
* @param $arGoods array(array(size1,size2,size3,quantity))
* @return array of type ('L' => <length>, 'W' => <width>, 'H' => <height>)
*/
public static function getSumDimensions($arGoods)
{
if(!is_array($arGoods) || !count($arGoods))
return array('L'=>0,'W'=>0,'H'=>0);
$arWork = array();
foreach($arGoods as $good)
$arWork []= self::sumSizeOneGoods($good[0], $good[1], $good[2], $good[3]);
return self::sumSize($arWork);
}
protected static function sumSizeOneGoods($xi, $yi, $zi, $qty)
{
$ar = array($xi, $yi, $zi);
sort($ar);
if ($qty<=1) return (array('X'=>$ar[0],'Y'=>$ar[1],'Z'=>$ar[2]));
$x1 = 0;
$y1 = 0;
$z1 = 0;
$l = 0;
$max1 = floor(Sqrt($qty));
for($y=1;$y<=$max1;$y++){
$i = ceil($qty/$y);
$max2 = floor(Sqrt($i));
for($z=1;$z<=$max2;$z++){
$x = ceil($i/$z);
$l2 = $x*$ar[0] + $y*$ar[1] + $z*$ar[2];
if(($l==0)||($l2<$l)){
$l = $l2;
$x1 = $x;
$y1 = $y;
$z1 = $z;
}
}
}
return (array('X'=>$x1*$ar[0],'Y'=>$y1*$ar[1],'Z'=>$z1*$ar[2]));
}
protected static function sumSize($a)
{
$n = count($a);
if (!($n>0)) return(array('L'=>'0','W'=>'0','H'=>'0'));
for($i3=1;$i3<$n;$i3++){
// sort sizes big to small
for($i2=$i3-1;$i2<$n;$i2++){
for($i=0;$i<=1;$i++){
if($a[$i2]['X']<$a[$i2]['Y']){
$a1 = $a[$i2]['X'];
$a[$i2]['X'] = $a[$i2]['Y'];
$a[$i2]['Y'] = $a1;
}
if(($i==0) && ($a[$i2]['Y']<$a[$i2]['Z'])){
$a1 = $a[$i2]['Y'];
$a[$i2]['Y'] = $a[$i2]['Z'];
$a[$i2]['Z'] = $a1;
}
}
$a[$i2]['Sum'] = $a[$i2]['X'] + $a[$i2]['Y'] + $a[$i2]['Z']; // sum of sides
}
// sort cargo from small to big
for($i2=$i3;$i2<$n;$i2++)
for($i=$i3;$i<$n;$i++)
if($a[$i-1]['Sum']>$a[$i]['Sum']){
$a2 = $a[$i];
$a[$i] = $a[$i-1];
$a[$i-1] = $a2;
}
// calculate sum dimensions of two smallest cargoes
if($a[$i3-1]['X']>$a[$i3]['X']) $a[$i3]['X'] = $a[$i3-1]['X'];
if($a[$i3-1]['Y']>$a[$i3]['Y']) $a[$i3]['Y'] = $a[$i3-1]['Y'];
$a[$i3]['Z'] = $a[$i3]['Z'] + $a[$i3-1]['Z'];
$a[$i3]['Sum'] = $a[$i3]['X'] + $a[$i3]['Y'] + $a[$i3]['Z']; // sum of sides
}
$a = array(
Round($a[$n-1]['X'],2),
Round($a[$n-1]['Y'],2),
Round($a[$n-1]['Z'],2)
);
rsort($a);
return array(
'L' => $a[0],
'W' => $a[1],
'H' => $a[2]
);
}
}