<?php

namespace Lts\Taxjar\Observer;

use JR\NetSuite\Lib\Restful\NetSuiteAPI;
use JR\NetSuite\Logger\Logger as NetSuiteLogger;
use Magento\Customer\Model\Data\Customer;
use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Magento\Quote\Api\Data\AddressInterface;
use Magento\Quote\Model\Quote;

class ResaleCertificateObserver implements ObserverInterface
{
    private NetSuiteAPI $netSuiteAPI;
    private NetSuiteLogger $netSuiteLogger;

    public function __construct(
        NetSuiteAPI $netSuiteAPI,
        NetSuiteLogger $netSuiteLogger,
    ) {
        $this->netSuiteAPI = $netSuiteAPI;
        $this->netSuiteLogger = $netSuiteLogger;
    }

    /**
     * @param Customer $dataCustomer
     * @param AddressInterface $address
     * @return bool
     */
    protected function isResaleCertificate(Customer $dataCustomer, AddressInterface $address){
        $netsuiteId = $dataCustomer->getCustomAttribute('netsuite_id')?->getValue();
        $state = $address->getRegion();
        if (!$netsuiteId) {
            return false;
        }
        $query = sprintf(
            'custrecord_customer ANY_OF [%d] AND '.
            'custrecord_valid IS true AND custrecord_rcert_address_specific IS false AND custrecord_rc_state_full IS  "%s"',
            $netsuiteId,
            $state
        );
        $service = 'record/v1/customrecord_resale_certificates';
        try {
            $response = $this->netSuiteAPI->get($service, ['q' => $query]);

            return isset($response['response']['count']) && $response['response']['count'] != 0;
        } catch (\Exception $e) {
            $this->netSuiteLogger->error(
                'resale certificate request exception: '.$e->getMessage());
        }

        return false;
    }

    public function execute(Observer $observer)
    {
        /* @var $quote Quote */
        $quote = $observer->getData('quote');

        $address = $quote->getShippingAddress();
        $isResaleCertificate = $this->isResaleCertificate($quote->getCustomer(), $address);
        if ($isResaleCertificate) {
            foreach ($quote->getAllItems() as $item) {
                /* @var $item Quote\Item */
                $item->setTaxAmount(0)
                    ->setTaxPercent(0)
                    ->setBaseTaxAmount(0);
            }
            $address->setTaxAmount(0)->setBaseTaxAmount(0)->setShippingTaxAmount(0)->setBaseShippingTaxAmount(0);
        }
    }
}