<?php


class MiintoXmlWriter
{
    public function write($products)
    {
        // Create XML file
        $xmlString = '<products>';
        foreach($products as $product)
        {
            $xmlString .= '<!-- Product ' . $product->id . ' -->';

            $xmlString .= '<product>';

            // Basics
            $xmlString .= '<id>' . $product->id . '</id>';
            $xmlString .= '<title><![CDATA[' . $product->title . ']]></title>';
            $xmlString .= '<description><![CDATA[' . $product->description . ']]></description>';
            $xmlString .= '<price>' . $product->price . '</price>';
            $xmlString .= '<old_price>' . $product->old_price . '</old_price>';
            $xmlString .= '<brand><![CDATA[' . $product->brand . ']]></brand>';
            $xmlString .= '<category>' . $product->category . '</category>'; // Miinto Id
            $xmlString .= '<styleid>' . $product->id . '</styleid>';

            if(isset($product->variation))
            {
                // Variations
                $xmlString .= '<variations>';
                $xmlString .= '<variation>';

                // Variations: Color
                $xmlString .= '<color>' . $product->variation->color . '</color>';

                // Variations: Sizes
                $xmlString .= '<sizes>';
                foreach($product->variation->sizes as $size)
                {
                    $xmlString .= '<size>';

                    $xmlString .= '<title><![CDATA[' . $size->size . ']]></title>';
                    $xmlString .= '<stock>' . $size->inStock . '</stock>';
                    $xmlString .= '<gtin>' . trim($size->ean) . '</gtin>';

                    $xmlString .= '</size>';
                }
                $xmlString .= '</sizes>';

                // Variations: Photos
                $xmlString .= '<photos>';
                $xmlString .= $this->writePhotos($product);
                $xmlString .= '</photos>';

                $xmlString .= '</variation>';
                $xmlString .= '</variations>';
            }
            $xmlString .= '</product>';
        }
        $xmlString .= '</products>';

        header("Content-type: text/xml");
        echo '<?xml version="1.0" encoding="UTF-8" ?>';
        echo $xmlString;
        exit;
    }

    private function writePhotos($product)
    {
        $xmlString = '';
        if(isset($product->variation->photos))
        {
            foreach($product->variation->photos as $shortCode => $photo)
            {
                $xmlString .= '<photo>';

                $xmlString .= '<url><![CDATA[' . $photo . ']]></url>'; // Needs to be escaped

                $xmlString .= '<is_default>';

                $thumb = $shortCode == $product->thumb;
                $thumb ? $xmlString .= '1' : $xmlString .= '0';

                $xmlString .= '</is_default>';

                $xmlString .= '</photo>';
            }
        }
        return $xmlString;
    }
}