<?php

namespace IpSupply\SyncOrder\Observer;

use Magento\Framework\Event\ObserverInterface;

class CheckOrderStatus implements ObserverInterface
{

    protected $orderRepository;
    protected $dir;

    public function __construct(
        \Magento\Sales\Api\OrderRepositoryInterface $orderRepository,
        \Magento\Framework\Filesystem\DirectoryList $dir,
    ) {
        $this->orderRepository = $orderRepository;
        $this->dir = $dir;
    }

    protected function _saveLog($content)
    {
        $file = $this->dir->getPath('log') . '/' . 'CheckOrderStatus.log';

        if (!file_exists($file)) {
            $fh = fopen($file, 'w') or die("Can't create file");
            fclose($fh);
        }
        $currentContent = file_get_contents($file);
        $currentContent .= date("Y-m-d H:i:s") . ':';
        $currentContent .= $content;
        $currentContent .= "\n";
        file_put_contents($file, $currentContent);
    }

    public function execute(\Magento\Framework\Event\Observer $observer)
    {
        $order = $observer->getEvent()->getOrder();

        $listStateToSync = ['complete', 'processing', 'canceled'];
        if ($order instanceof \Magento\Sales\Model\Order && in_array($order->getStatus(), $listStateToSync)) {
            $sync = new \IpSupply\SyncOrder\Sync\Index;
            $content = $sync->syncOrder($order);
            $this->_saveLog($content);
        }

    }
}