@php
    /** @var \App\Models\Stabile $stabile */

    $pianoIds = \App\Models\PianoRateizzazione::query()
        ->where('stabile_id', $stabile->id)
        ->pluck('id')
        ->map(fn ($v) => (int) $v)
        ->all();

    $tot = [
        'n' => 0,
        'addebitato' => 0.0,
        'pagato' => 0.0,
        'residuo' => 0.0,
    ];

    $perGestione = [];
    $perPiano = [];

    $extractGestioneLabel = function (string $descrizione): string {
        $s = trim($descrizione);
        if ($s === '') {
            return '—';
        }

        // Cerca pattern tipo "2024-25" o "2024-2025" (anche con spazi)
        if (preg_match('/\b(\d{4})\s*[-\/]\s*(\d{2,4})\b/', $s, $m)) {
            $a = $m[1];
            $b = $m[2];
            if (strlen($b) === 2) {
                return $a . '-' . $b;
            }
            return $a . '-' . substr($b, -2);
        }

        // Fallback: anno singolo
        if (preg_match('/\b(\d{4})\b/', $s, $m)) {
            return $m[1];
        }

        return '—';
    };

    if (! empty($pianoIds) && \Illuminate\Support\Facades\Schema::hasTable('rate_emesse')) {
        $rows = \App\Models\RataEmessaNg::query()
            ->whereIn('piano_rateizzazione_id', $pianoIds)
            ->selectRaw('piano_rateizzazione_id, COUNT(*) as n, SUM(importo_addebitato_soggetto) as addebitato, SUM(importo_pagato) as pagato')
            ->groupBy('piano_rateizzazione_id')
            ->get();

        $piani = \App\Models\PianoRateizzazione::query()
            ->whereIn('id', $pianoIds)
            ->get(['id', 'descrizione'])
            ->keyBy('id');

        foreach ($rows as $r) {
            $pid = (int) $r->piano_rateizzazione_id;
            $addebitato = (float) ($r->addebitato ?? 0);
            $pagato = (float) ($r->pagato ?? 0);

            $descr = (string) ($piani[$pid]->descrizione ?? ('Piano #' . $pid));
            $gestioneLabel = $extractGestioneLabel($descr);
            if (!isset($perGestione[$gestioneLabel])) {
                $perGestione[$gestioneLabel] = [
                    'gestione' => $gestioneLabel,
                    'n' => 0,
                    'addebitato' => 0.0,
                    'pagato' => 0.0,
                    'residuo' => 0.0,
                ];
            }
            $perGestione[$gestioneLabel]['n'] += (int) ($r->n ?? 0);
            $perGestione[$gestioneLabel]['addebitato'] += $addebitato;
            $perGestione[$gestioneLabel]['pagato'] += $pagato;

            $perPiano[] = [
                'piano_id' => $pid,
                'descrizione' => $descr,
                'n' => (int) ($r->n ?? 0),
                'addebitato' => $addebitato,
                'pagato' => $pagato,
                'residuo' => $addebitato - $pagato,
            ];

            $tot['n'] += (int) ($r->n ?? 0);
            $tot['addebitato'] += $addebitato;
            $tot['pagato'] += $pagato;
        }

        $tot['residuo'] = $tot['addebitato'] - $tot['pagato'];

        $perGestione = array_values(array_map(function (array $g) {
            $g['residuo'] = (float) $g['addebitato'] - (float) $g['pagato'];
            return $g;
        }, $perGestione));

        usort($perGestione, function ($a, $b) {
            $parse = function (string $label): int {
                if (preg_match('/^(\d{4})\b/', $label, $m)) {
                    return (int) $m[1];
                }
                return -1;
            };
            return $parse((string) $b['gestione']) <=> $parse((string) $a['gestione']);
        });

        usort($perPiano, fn ($a, $b) => ($b['addebitato'] <=> $a['addebitato']) ?: ($b['n'] <=> $a['n']));
    }
@endphp

<div class="space-y-4">
    <div class="rounded-2xl border bg-white p-4">
        <div class="flex flex-wrap items-end justify-between gap-3">
            <div>
                <div class="text-sm font-semibold text-gray-900">Rate emesse</div>
                <div class="text-xs text-gray-500">Riepilogo per stabile</div>
            </div>
            <a class="fi-btn fi-btn-color-gray fi-btn-size-sm" href="{{ \App\Filament\Pages\Contabilita\RateEmesseArchivio::getUrl(panel: 'admin-filament') }}">
                <span class="fi-btn-label">Apri archivio</span>
            </a>
        </div>

        <div class="mt-3 grid gap-3 sm:grid-cols-4">
            <div class="rounded-lg border bg-gray-50 p-3">
                <div class="text-xs text-gray-500">N. rate</div>
                <div class="text-lg font-semibold text-gray-900">{{ $tot['n'] }}</div>
            </div>
            <div class="rounded-lg border bg-gray-50 p-3">
                <div class="text-xs text-gray-500">Totale addebitato</div>
                <div class="text-lg font-semibold text-gray-900">{{ number_format($tot['addebitato'], 2, ',', '.') }} €</div>
            </div>
            <div class="rounded-lg border bg-gray-50 p-3">
                <div class="text-xs text-gray-500">Totale pagato</div>
                <div class="text-lg font-semibold text-gray-900">{{ number_format($tot['pagato'], 2, ',', '.') }} €</div>
            </div>
            <div class="rounded-lg border bg-gray-50 p-3">
                <div class="text-xs text-gray-500">Residuo</div>
                <div class="text-lg font-semibold text-gray-900">{{ number_format($tot['residuo'], 2, ',', '.') }} €</div>
            </div>
        </div>
    </div>

    <div class="rounded-2xl border bg-white p-4">
        <div class="text-sm font-semibold text-gray-900 mb-2">Per gestione (da piano rateizzazione)</div>
        @if(empty($perGestione))
            <div class="text-sm text-gray-500">Nessun dato per gestione disponibile.</div>
        @else
            <div class="overflow-x-auto">
                <table class="min-w-full text-sm">
                    <thead>
                        <tr class="text-gray-500 border-b">
                            <th class="text-left py-2 pr-4">Gestione</th>
                            <th class="text-right py-2 pr-4">N.</th>
                            <th class="text-right py-2 pr-4">Addebitato</th>
                            <th class="text-right py-2 pr-4">Pagato</th>
                            <th class="text-right py-2 pr-0">Residuo</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y">
                        @foreach($perGestione as $a)
                            <tr>
                                <td class="py-2 pr-4 font-semibold text-gray-900">{{ $a['gestione'] ?: '—' }}</td>
                                <td class="py-2 pr-4 text-right text-gray-900">{{ $a['n'] }}</td>
                                <td class="py-2 pr-4 text-right text-gray-900">{{ number_format($a['addebitato'], 2, ',', '.') }} €</td>
                                <td class="py-2 pr-4 text-right text-gray-900">{{ number_format($a['pagato'], 2, ',', '.') }} €</td>
                                <td class="py-2 pr-0 text-right text-gray-900">{{ number_format($a['residuo'], 2, ',', '.') }} €</td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        @endif
    </div>

    <div class="rounded-2xl border bg-white p-4">
        <div class="text-sm font-semibold text-gray-900 mb-2">Per piano rateizzazione</div>
        @if(empty($perPiano))
            <div class="text-sm text-gray-500">Nessuna rata trovata per questo stabile.</div>
        @else
            <div class="overflow-x-auto">
                <table class="min-w-full text-sm">
                    <thead>
                        <tr class="text-gray-500 border-b">
                            <th class="text-left py-2 pr-4">Piano</th>
                            <th class="text-right py-2 pr-4">N.</th>
                            <th class="text-right py-2 pr-4">Addebitato</th>
                            <th class="text-right py-2 pr-4">Pagato</th>
                            <th class="text-right py-2 pr-0">Residuo</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y">
                        @foreach($perPiano as $p)
                            <tr>
                                <td class="py-2 pr-4 font-semibold text-gray-900">{{ $p['descrizione'] }}</td>
                                <td class="py-2 pr-4 text-right text-gray-900">{{ $p['n'] }}</td>
                                <td class="py-2 pr-4 text-right text-gray-900">{{ number_format($p['addebitato'], 2, ',', '.') }} €</td>
                                <td class="py-2 pr-4 text-right text-gray-900">{{ number_format($p['pagato'], 2, ',', '.') }} €</td>
                                <td class="py-2 pr-0 text-right text-gray-900">{{ number_format($p['residuo'], 2, ',', '.') }} €</td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        @endif
    </div>
</div>