<?php

namespace App\Http\Controllers;

use App\Models\Lieu;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class CarteController extends Controller
{
    public function index(): View
    {
        return view('carte.index');
    }

    public function data(Request $request): JsonResponse
    {
        $lieux = Lieu::whereNotNull('latitude')
            ->whereNotNull('longitude')
            ->whereHas('sources.releves')
            ->with([
                'sources' => function ($q) {
                    $q->withCount('releves')
                      ->select('id', 'nom', 'lieu_id', 'status', 'annee_debut', 'annee_fin')
                      ->orderBy('nom');
                },
            ])
            ->get()
            ->map(function (Lieu $lieu) {
                $relevesTotal = $lieu->sources->sum('releves_count');
                return [
                    'id'             => $lieu->id,
                    'nom'            => $lieu->nom_long ?? $lieu->nom,
                    'lat'            => (float) $lieu->latitude,
                    'lng'            => (float) $lieu->longitude,
                    'sources_count'  => $lieu->sources->count(),
                    'releves_count'  => $relevesTotal,
                    'sources'        => $lieu->sources->map(fn ($s) => [
                        'id'            => $s->id,
                        'nom'           => $s->nom,
                        'releves_count' => $s->releves_count,
                        'status'        => $s->status->label(),
                        'status_value'  => $s->status->value,
                        'annees'        => $s->annee_debut
                            ? ($s->annee_debut === $s->annee_fin || ! $s->annee_fin
                                ? (string) $s->annee_debut
                                : "{$s->annee_debut}–{$s->annee_fin}")
                            : null,
                    ]),
                ];
            });

        return response()->json($lieux);
    }
}