<?php

namespace App\Controller;

use App\Entity\Stats;
use App\Entity\CityFollowUp;
use App\Service\Motocultrice;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

class FollowUpController extends AbstractController
{
    #[Route('/admin/followup/{insee_code}', name: 'admin_followup')]
    public function followup(
        string $insee_code,
        Motocultrice $motocultrice,
        EntityManagerInterface $em
    ): Response {
        // Récupérer la stats de la ville
        $stats = $em->getRepository(Stats::class)->findOneBy(['zone' => $insee_code]);
        if (!$stats) {
            $this->addFlash('error', 'Aucune stats trouvée pour ce code INSEE.');
            return $this->redirectToRoute('app_admin');
        }

        // Récupérer les objets OSM
        $elements = $motocultrice->followUpCity($insee_code);

        // Séparer les objets par type
        $fire_hydrants = array_filter($elements, fn($el) => ($el['tags']['emergency'] ?? null) === 'fire_hydrant');
        $charging_stations = array_filter($elements, fn($el) => ($el['tags']['amenity'] ?? null) === 'charging_station');

        // --- Suivi du nombre d'objets ---
        $now = new \DateTime();
        $types = [
            'fire_hydrant' => [
                'label' => 'Bornes incendie',
                'objects' => $fire_hydrants
            ],
            'charging_station' => [
                'label' => 'Bornes de recharge',
                'objects' => $charging_stations
            ]
        ];
        foreach ($types as $type => $data) {
            // Suivi du nombre
            $followupCount = new CityFollowUp();
            $followupCount->setName($type . '_count')
                ->setMeasure(count($data['objects']))
                ->setDate($now)
                ->setStats($stats);
            $em->persist($followupCount);

            // Suivi de la complétion personnalisé
            if ($type === 'fire_hydrant') {
                $completed = array_filter($data['objects'], function($el) {
                    return !empty($el['tags']['ref'] ?? null);
                });
            } elseif ($type === 'charging_station') {
                $completed = array_filter($data['objects'], function($el) {
                    return !empty($el['tags']['charging_station:output'] ?? null) && !empty($el['tags']['capacity'] ?? null);
                });
            } else {
                $completed = [];
            }
            $completion = count($data['objects']) > 0 ? round(count($completed) / count($data['objects']) * 100) : 0;
            $followupCompletion = new CityFollowUp();
            $followupCompletion->setName($type . '_completion')
                ->setMeasure($completion)
                ->setDate($now)
                ->setStats($stats);
            $em->persist($followupCompletion);
        }
        $em->flush();

        $this->addFlash('success', 'Suivi enregistré pour la ville.');
        return $this->redirectToRoute('admin_followup_graph', ['insee_code' => $insee_code]);
    }

    #[Route('/admin/followup/{insee_code}/graph', name: 'admin_followup_graph')]
    public function followupGraph(
        string $insee_code,
        EntityManagerInterface $em
    ): Response {
        $stats = $em->getRepository(Stats::class)->findOneBy(['zone' => $insee_code]);
        if (!$stats) {
            $this->addFlash('error', 'Aucune stats trouvée pour ce code INSEE.');
            return $this->redirectToRoute('app_admin');
        }
        $followups = $stats->getCityFollowUps();
        $followups = $followups->toArray();
        usort($followups, fn($a, $b) => $a->getDate() <=> $b->getDate());
        // Grouper par type
        $series = [];
        foreach ($followups as $fu) {
            $series[$fu->getName()][] = [
                'date' => $fu->getDate()->format('c'),
                'value' => $fu->getMeasure(),
                'name' => $fu->getName(),
            ];
        }
        return $this->render('admin/followup_graph.html.twig', [
            'stats' => $stats,
            'series' => $series
        ]);
    }
}