<?php

namespace App\Command;

use App\Entity\Place;
use App\Entity\Stats;
use App\Service\FollowUpService;
use App\Service\Motocultrice;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

#[AsCommand(
    name: 'app:process-labourage-queue',
    description: 'Traite la file d\'attente de labourage différé des villes (cron)'
)]
class ProcessLabourageQueueCommand extends Command
{
    public function __construct(
        private EntityManagerInterface $entityManager,
        private Motocultrice           $motocultrice,
        private FollowUpService        $followUpService
    )
    {
        parent::__construct();
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);
        // Sélectionner la Stats à traiter (date_labourage_requested la plus ancienne, non traitée ou à refaire)
        $stats = $this->entityManager->getRepository(Stats::class)
            ->createQueryBuilder('s')
            ->where('s.date_labourage_requested IS NOT NULL')
            ->andWhere('s.date_labourage_done IS NULL OR s.date_labourage_done < s.date_labourage_requested')
            ->andWhere('s.zone != :global_zone')
            ->setParameter('global_zone', '00000')
            ->orderBy('s.date_labourage_requested', 'ASC')
            ->setMaxResults(1)
            ->getQuery()
            ->getOneOrNullResult();
        if (!$stats) {
            // 1. Villes jamais labourées (date_labourage_done NULL, hors 00000)
            $stats = $this->entityManager->getRepository(Stats::class)
                ->createQueryBuilder('s')
                ->where('s.zone != :global_zone')
                ->andWhere('s.date_labourage_done IS NULL')
                ->setParameter('global_zone', '00000')
                ->orderBy('s.date_modified', 'ASC')
                ->setMaxResults(1)
                ->getQuery()
                ->getOneOrNullResult();
            if ($stats) {
                $io->note('Aucune ville en attente, on traite en priorité une ville jamais labourée : ' . $stats->getName() . ' (' . $stats->getZone() . ')');
                $stats->setDateLabourageRequested(new \DateTime());
                $this->entityManager->persist($stats);
                $this->entityManager->flush();
            } else {
                // 2. Ville la plus anciennement modifiée (hors 00000)
                $stats = $this->entityManager->getRepository(Stats::class)
                    ->createQueryBuilder('s')
                    ->where('s.zone != :global_zone')
                    ->setParameter('global_zone', '00000')
                    ->orderBy('s.date_modified', 'ASC')
                    ->setMaxResults(1)
                    ->getQuery()
                    ->getOneOrNullResult();
                if (!$stats) {
                    $io->success('Aucune ville à traiter.');
                    return Command::SUCCESS;
                }
                $io->note('Aucune ville en attente, on demande le labourage de la ville la plus anciennement modifiée : ' . $stats->getName() . ' (' . $stats->getZone() . ')');
                $stats->setDateLabourageRequested(new \DateTime());
                $this->entityManager->persist($stats);
                $this->entityManager->flush();
            }
        }
        $io->section('Traitement de la ville : ' . $stats->getName() . ' (' . $stats->getZone() . ')');
        // Vérifier la RAM disponible (>= 1 Go)
        $meminfo = @file_get_contents('/proc/meminfo');
        $ram_ok = false;
        if ($meminfo !== false && preg_match('/^MemAvailable:\s+(\d+)/m', $meminfo, $matches)) {
            $mem_kb = (int)$matches[1];
            $ram_ok = ($mem_kb >= 1024 * 1024); // 1 Go
        }
        if (!$ram_ok) {
            $io->warning('RAM insuffisante, on attend le prochain cron.');
            return Command::SUCCESS;
        }
        // Effectuer le labourage complet (reprendre la logique de création/màj des objets Place)
        $io->info('RAM suffisante, lancement du labourage...');
        $places_overpass = $this->motocultrice->labourer($stats->getZone());
        $processedCount = 0;
        $updatedCount = 0;
        $existingPlacesQuery = $this->entityManager->getRepository(Place::class)
            ->createQueryBuilder('p')
            ->select('p.osmId, p.osm_kind, p.id')
            ->where('p.zip_code = :zip_code')
            ->setParameter('zip_code', $stats->getZone())
            ->getQuery();
        $existingPlacesResult = $existingPlacesQuery->getResult();
        $placesByOsmKey = [];
        foreach ($existingPlacesResult as $placeData) {
            $osmKey = $placeData['osm_kind'] . '_' . $placeData['osmId'];
            $placesByOsmKey[$osmKey] = $placeData['id'];
        }
        foreach ($places_overpass as $placeData) {
            $osmKey = $placeData['type'] . '_' . $placeData['id'];
            $existingPlaceId = $placesByOsmKey[$osmKey] ?? null;
            if (!$existingPlaceId) {
                $place = new Place();
                $place->setOsmId($placeData['id'])
                    ->setOsmKind($placeData['type'])
                    ->setZipCode($stats->getZone())
                    ->setUuidForUrl($this->motocultrice->uuid_create())
                    ->setModifiedDate(new \DateTime())
                    ->setStats($stats)
                    ->setDead(false)
                    ->setOptedOut(false)
                    ->setMainTag($this->motocultrice->find_main_tag($placeData['tags']) ?? '')
                    ->setStreet($this->motocultrice->find_street($placeData['tags']) ?? '')
                    ->setHousenumber($this->motocultrice->find_housenumber($placeData['tags']) ?? '')
                    ->setSiret($this->motocultrice->find_siret($placeData['tags']) ?? '')
                    ->setAskedHumainsSupport(false)
                    ->setLastContactAttemptDate(null)
                    ->setPlaceCount(0);
                $place->update_place_from_overpass_data($placeData);
                $this->entityManager->persist($place);
                $stats->addPlace($place);
                $processedCount++;
            } else {
                $existingPlace = $this->entityManager->getRepository(Place::class)->find($existingPlaceId);
                if ($existingPlace) {
                    $existingPlace->setDead(false);
                    $existingPlace->update_place_from_overpass_data($placeData);
                    $stats->addPlace($existingPlace);
                    $this->entityManager->persist($existingPlace);
                    $updatedCount++;
                }
            }
        }
        $stats->setDateLabourageDone(new \DateTime());

        // Update city name from API if available
        $apiCityName = $this->motocultrice->get_city_osm_from_zip_code($stats->getZone());
        if ($apiCityName && $apiCityName !== $stats->getName()) {
            $io->info(sprintf('Updating city name from "%s" to "%s" based on API data', $stats->getName(), $apiCityName));
            $stats->setName($apiCityName);
        }

        $io->info('Récupération des followups de cette ville...');
//        $this->followUpService->generateCityFollowUps($stats, $this->motocultrice, $this->entityManager);


        // update completion
        $stats->computeCompletionPercent();
        $followups = $stats->getCityFollowUps();
        if ($followups) {

            $lastFollowUp = $followups[count($followups) - 1];
            if ($lastFollowUp) {

                $name = $lastFollowUp->getName();

                $io->success("Followup le plus récent : $name : " . $lastFollowUp->getDate()->format('d/m/Y') . ' : ' . $lastFollowUp->getMeasure());
            }
        }
        $io->info('Pourcentage de complétion: ' . $stats->getCompletionPercent());


        $this->entityManager->persist($stats);
        $this->entityManager->flush();
        $io->success("Labourage terminé : $processedCount nouveaux lieux, $updatedCount lieux mis à jour.");
        return Command::SUCCESS;
    }
}