<?php

namespace BobGroup\BobGo\Observer;

use Magento\Framework\Event\ObserverInterface;
use Magento\Framework\Event\Observer;
use Psr\Log\LoggerInterface;

class ModifyShippingDescription implements ObserverInterface
{
    public const CODE = 'bobgo';

    protected $logger;

    public function __construct(LoggerInterface $logger)
    {
        $this->logger = $logger;
    }

    public function execute(Observer $observer)
    {
        // Get the order object from the event
        $order = $observer->getEvent()->getOrder();

        // Get the current shipping description
        $shippingDescription = $order->getShippingDescription();

        // Log the original shipping description
        $this->logger->info('Original Shipping Description: ' . $shippingDescription);

        // Get the shipping method used in the order (e.g., bobgo_10303_39_1)
        $shippingMethod = $order->getShippingMethod();

        // Get the method title from the shipping description (which might already include the title)
        $methodTitle = $this->extractMethodTitle($shippingDescription);

        // Log the method title for debugging
        $this->logger->info('Extracted Method Title: ' . $methodTitle);

        // Set the new dynamic shipping description based only on MethodTitle
        $newDescription = $methodTitle;

        // Update the shipping description in the order
        $order->setShippingDescription($newDescription);

        // Optionally log the new shipping description
        $this->logger->info('Updated Shipping Description: ' . $newDescription);
    }

    /**
     * Helper function to extract the method title from the original shipping description
     *
     * @param string $shippingDescription
     * @return string
     */
    private function extractMethodTitle($shippingDescription)
    {
        // Find the position of the last dash in the string
        $lastDashPosition = strrpos($shippingDescription, ' - ');

        // If a dash is found, extract the part after the last dash
        if ($lastDashPosition !== false) {
            return trim(substr($shippingDescription, $lastDashPosition + 3)); // +3 to skip the ' - ' part
        }

        // If no dash is found, return the full description (fallback)
        return $shippingDescription;
    }

}