<?php

namespace App\Command;

use App\Entity\Contacts;
use App\Entity\PhoneNumber;
use DateTime;
use DateTimeImmutable;
use Doctrine\ORM\EntityManagerInterface;
use Exception;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Contracts\HttpClient\HttpClientInterface;

// Assuming you have an entity for your table

class ContactUncontactedCommand extends Command
{
    // The command's name, used to run it from the console (e.g., bin/console app:contact-uncontacted)
    protected static $defaultName = 'app:contact-uncontacted';
    protected static $defaultDescription = 'Sends out SMS messages.';

    protected static $apiEndpoint = 'https://gw.messaging.cm.com/v1.0/message';

    // Inject the EntityManager and HttpClient as dependencies
    private EntityManagerInterface $entityManager;
    private HttpClientInterface $httpClient;

    private string $sms_gateway_api_key;

    public function __construct(EntityManagerInterface $entityManager,
                                HttpClientInterface $httpClient,
                                string $sms_gateway_api_key)
    {
        parent::__construct();
        $this->entityManager = $entityManager;
        $this->httpClient = $httpClient;
        $this->sms_gateway_api_key = $sms_gateway_api_key;
    }

    protected function configure(): void
    {
        $this
            ->setName(self::$defaultName)
            ->setDescription(self::$defaultDescription);
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);
        $io->title('Starting uncontacted number check...');

        // 1. Get uncontacted rows with a date in the past
        $now = new DateTime();
        $phoneNumbersToContact = $this->entityManager->getRepository(Contacts::class)->createQueryBuilder('p')
            ->where('p.contacted = :state_contacted')
            ->andWhere('p.due_date < :now')
            ->setParameter('state_contacted', false)
            ->setParameter('now', $now)
            ->getQuery()
            ->getResult();

        if (empty($phoneNumbersToContact)) {
            $io->success('No uncontacted phone numbers found with past dates. Nothing to do.');
            return Command::SUCCESS;
        }

        $io->progressStart(count($phoneNumbersToContact));

        // 2. Loop through each eligible phone number
        foreach ($phoneNumbersToContact as $phoneContact) {
            $io->progressAdvance();

            // 3. Contact the HTTP REST API
            try {
                $response = $this->httpClient->request('POST', self::$apiEndpoint, [
                    'headers' => [
                        'X-CM-PRODUCTTOKEN' => $this->sms_gateway_api_key,
                        'Accept' => 'application/json',
                        'Content-Type' => 'application/json'
                    ],
                    'query' => "{
                      'messages': { 'msg': [{
                        'allowedChannels': ['SMS'],
                        'from': 'UKB',
                        'to': [
                            { 'number': '$phoneContact->getPhoneNumber()' }
                        ],
                        'body': {
                          'type': 'auto',
                          'content': 'Liebe Patientin, lieber Patient, \n' .
                              'gerne möchten wir von Ihnen erfahren, wie zufrieden Sie mit uns sind. Wir freuen uns, wenn Sie sich die Zeit nehmen und uns Ihre Eindrücke mitteilen.\n' .
                              'Ihre Anregungen landen über den direkten Weg beim Qualitäts- und Risikomanagement.\n\n' .
                              'Wir freuen uns über Ihr Feedback - direkt ans Qualitäts- und Risikomanagement.\n\n' .
                              'https://umfragetool.ukbonn.de/login?id=QMBEFR_TEST \n\n' .
                              'Ihr UKB.'
                        },
                        'minimumNumberOfMessageParts': 1,
                        'maximumNumberOfMessageParts': 8,
                        'reference': 'UKB'
                    }] }}"
                ]);

                // 4. Check the API response status
                if ($response->getStatusCode() === 200) {
                    // 5. If successful, update the row in the database
                    $phoneContact->setContacted(true);
                    $phoneContact->setGatewayResponse(trim($response->getStatusCode() . ' ' . $response->getContent()));
                    $phoneContact->setContactedAt(new DateTimeImmutable());
                    $this->entityManager->persist($phoneContact);
                    $io->note(sprintf('Successfully contacted number %s', $phoneContact->getPhoneNumber()));
                } else {
                    $io->warning(sprintf('API call for number %s failed with status code %s', $phoneContact->getPhoneNumber(), $response->getStatusCode()));
                }
            } catch (Exception $e) {
                $io->error(sprintf('An error occurred contacting the API for number %s: %s', $phoneContact->getPhoneNumber(), $e->getMessage()));
            }
        }

        // Finalize all database changes
        $this->entityManager->flush();
        $io->progressFinish();
        $io->success('Contacting process complete!');

        return Command::SUCCESS;
    }
}