<?php

namespace App\Controller;

use App\Entity\Stats;
use App\Repository\StatsRepository;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\StreamedResponse;

class ApiController extends AbstractController
{
    #[Route('/api/v1/stats_geojson', name: 'api_stats_geojson', methods: ['GET'])]
    public function statsGeojson(StatsRepository $statsRepository): JsonResponse
    {
        $statsList = $statsRepository->findAll();
        $features = [];
        foreach ($statsList as $stats) {
            // Calcul du barycentre des commerces de la zone
            $lat = null;
            $lon = null;
            $places = $stats->getPlaces();
            $count = 0;
            $sumLat = 0;
            $sumLon = 0;
            foreach ($places as $place) {
                if ($place->getLat() && $place->getLon()) {
                    $sumLat += $place->getLat();
                    $sumLon += $place->getLon();
                    $count++;
                }
            }
            if ($count > 0) {
                $lat = $sumLat / $count;
                $lon = $sumLon / $count;
            }
            $feature = [
                'type' => 'Feature',
                'geometry' => $lat && $lon ? [
                    'type' => 'Point',
                    'coordinates' => [$lon, $lat],
                ] : null,
                'properties' => [
                    'id' => $stats->getId(),
                    'name' => $stats->getName(),
                    'zone' => $stats->getZone(),
                    'completion_percent' => $stats->getCompletionPercent(),
                    'places_count' => $stats->getPlacesCount(),
                    'avec_horaires' => $stats->getAvecHoraires(),
                    'avec_adresse' => $stats->getAvecAdresse(),
                    'avec_site' => $stats->getAvecSite(),
                    'avec_accessibilite' => $stats->getAvecAccessibilite(),
                    'avec_note' => $stats->getAvecNote(),
                    'population' => $stats->getPopulation(),
                    'siren' => $stats->getSiren(),
                    'codeEpci' => $stats->getCodeEpci(),
                    'codesPostaux' => $stats->getCodesPostaux(),
                    'date_created' => $stats->getDateCreated() ? $stats->getDateCreated()->format('c') : null,
                    'date_modified' => $stats->getDateModified() ? $stats->getDateModified()->format('c') : null,
                ],
            ];
            $features[] = $feature;
        }
        $geojson = [
            'type' => 'FeatureCollection',
            'features' => $features,
            'meta' => [
                'generated_at' => (new \DateTime())->format('c'),
                'source' => 'https://osm-commerces.cipherbliss.com/api/v1/stats_geojson'
            ]
        ];
        return new JsonResponse($geojson, Response::HTTP_OK, [
            'Content-Type' => 'application/geo+json'
        ]);
    }

    #[Route('/api/v1/stats/{insee}', name: 'api_stats_by_insee', methods: ['GET'])]
    public function statsByInsee(StatsRepository $statsRepository, string $insee): JsonResponse
    {
        $stats = $statsRepository->findOneBy(['zone' => $insee]);
        if (!$stats) {
            return new JsonResponse(['error' => 'Zone non trouvée'], Response::HTTP_NOT_FOUND);
        }
        $data = [
            'id' => $stats->getId(),
            'name' => $stats->getName(),
            'zone' => $stats->getZone(),
            'completion_percent' => $stats->getCompletionPercent(),
            'places_count' => $stats->getPlacesCount(),
            'avec_horaires' => $stats->getAvecHoraires(),
            'avec_adresse' => $stats->getAvecAdresse(),
            'avec_site' => $stats->getAvecSite(),
            'avec_accessibilite' => $stats->getAvecAccessibilite(),
            'avec_note' => $stats->getAvecNote(),
            'population' => $stats->getPopulation(),
            'siren' => $stats->getSiren(),
            'codeEpci' => $stats->getCodeEpci(),
            'codesPostaux' => $stats->getCodesPostaux(),
            'date_created' => $stats->getDateCreated() ? $stats->getDateCreated()->format('c') : null,
            'date_modified' => $stats->getDateModified() ? $stats->getDateModified()->format('c') : null,
        ];
        return new JsonResponse($data, Response::HTTP_OK);
    }

    #[Route('/api/v1/stats/{insee}/places', name: 'api_stats_places_by_insee', methods: ['GET'])]
    public function statsPlacesByInsee(StatsRepository $statsRepository, string $insee): JsonResponse
    {
        $stats = $statsRepository->findOneBy(['zone' => $insee]);
        if (!$stats) {
            return new JsonResponse(['error' => 'Zone non trouvée'], Response::HTTP_NOT_FOUND);
        }
        $features = [];
        foreach ($stats->getPlaces() as $place) {
            $lat = $place->getLat();
            $lon = $place->getLon();
            $feature = [
                'type' => 'Feature',
                'geometry' => ($lat && $lon) ? [
                    'type' => 'Point',
                    'coordinates' => [$lon, $lat],
                ] : null,
                'properties' => [
                    'id' => $place->getId(),
                    'name' => $place->getName(),
                    'main_tag' => $place->getMainTag(),
                    'osmId' => $place->getOsmId(),
                    'email' => $place->getEmail(),
                    'note' => $place->getNote(),
                    'zip_code' => $place->getZipCode(),
                    'siret' => $place->getSiret(),
                    'has_opening_hours' => $place->hasOpeningHours(),
                    'has_address' => $place->hasAddress(),
                    'has_website' => $place->hasWebsite(),
                    'has_wheelchair' => $place->hasWheelchair(),
                    'has_note' => $place->hasNote(),
                    'completion_percent' => $place->getCompletionPercentage(),
                ],
            ];
            $features[] = $feature;
        }
        $geojson = [
            'type' => 'FeatureCollection',
            'features' => $features,
            'meta' => [
                'generated_at' => (new \DateTime())->format('c'),
                'source' => 'https://osm-commerces.cipherbliss.com/api/v1/stats/by_insee/' . $insee . '/places'
            ]
        ];
        return new JsonResponse($geojson, Response::HTTP_OK, [
            'Content-Type' => 'application/geo+json'
        ]);
    }

    #[Route('/api/v1/stats/by_insee/{insee}/places.csv', name: 'api_stats_places_csv_by_insee', methods: ['GET'])]
    public function statsPlacesCsvByInsee(StatsRepository $statsRepository, string $insee): StreamedResponse
    {
        $stats = $statsRepository->findOneBy(['zone' => $insee]);
        if (!$stats) {
            $response = new StreamedResponse();
            $response->setCallback(function() {
                echo 'error\nZone non trouvée';
            });
            $response->headers->set('Content-Type', 'text/csv');
            $response->setStatusCode(Response::HTTP_NOT_FOUND);
            return $response;
        }
        $response = new StreamedResponse(function() use ($stats) {
            $handle = fopen('php://output', 'w');
            // En-têtes CSV
            fputcsv($handle, [
                'id', 'name', 'main_tag', 'osmId', 'email', 'note', 'zip_code', 'siret', 'lat', 'lon', 'has_opening_hours', 'has_address', 'has_website', 'has_wheelchair', 'has_note'
            ]);
            foreach ($stats->getPlaces() as $place) {
                fputcsv($handle, [
                    $place->getId(),
                    $place->getName(),
                    $place->getMainTag(),
                    $place->getOsmId(),
                    $place->getEmail(),
                    $place->getNote(),
                    $place->getZipCode(),
                    $place->getSiret(),
                    $place->getLat(),
                    $place->getLon(),
                    $place->hasOpeningHours(),
                    $place->hasAddress(),
                    $place->hasWebsite(),
                    $place->hasWheelchair(),
                    $place->hasNote(),
                    $place->getCompletionPercentage(),
                ]);
            }
            fclose($handle);
        });
        $response->headers->set('Content-Type', 'text/csv');
        $response->headers->set('Content-Disposition', 'attachment; filename="places_'.$insee.'.csv"');
        return $response;
    }
}