<?php

namespace App\Services\Web;

use App\Models\PressRelease;
use App\Scopes\PortalScope;
use App\Support\WebPortalContext;
use Illuminate\Database\Eloquent\Builder;

use function Illuminate\Support\defer;

/**
 * Datenaufbereitung der Detailseite einer Pressemitteilung je Ausgabe inkl.
 * Hit-Zähler und verwandten Meldungen (Firma, Kategorie). Unbekannter oder nicht
 * öffentlich sichtbarer Slug → 404.
 */
class ReleaseDetailPageData
{
    /**
     * @return array<string, mixed>
     */
    public function build(WebPortalContext $context, string $slug): array
    {
        $portalValues = $context->portalValues;
        $language = $context->language;

        $publishedScope = static fn (Builder $query): Builder => $query
            ->forPortalValues($portalValues)
            ->forLanguage($language)
            ->visibleInArchive();

        $release = PressRelease::query()
            ->withoutGlobalScope(PortalScope::class)
            ->tap($publishedScope)
            ->where('slug', $slug)
            ->with([
                'company',
                'user:id,agency_name',
                'category.translations' => fn ($query) => $query->where('locale', $language),
                'category.parent.translations' => fn ($query) => $query->where('locale', $language),
                'images' => fn ($query) => $query->orderByDesc('is_preview')->orderBy('sort_order'),
                'contacts',
            ])
            ->first();

        if (! $release) {
            // T12-Tombstone: depublizierte PMs (kostenpflichtige Entfernung
            // auf Wunsch des Absenders) melden 410 statt 404 — die URL gab
            // es, der Inhalt wurde bewusst entfernt.
            $depublished = PressRelease::query()
                ->withoutGlobalScope(PortalScope::class)
                ->forPortalValues($portalValues)
                ->forLanguage($language)
                ->whereNotNull('depublished_at')
                ->where('slug', $slug)
                ->exists();

            if ($depublished) {
                return ['tombstone' => true];
            }

            abort(404);
        }

        $releaseId = $release->getKey();
        defer(static fn () => PressRelease::recordDeferredView($releaseId));

        // Die Antwort zeigt den aktuellen Aufruf bereits an; die atomaren
        // Schreibzugriffe erfolgen nach dem Senden der Response.
        $release->hits = ($release->hits ?? 0) + 1;

        $with = [
            'company',
            'category.translations' => fn ($query) => $query->where('locale', $language),
            'images' => fn ($query) => $query->orderByDesc('is_preview')->orderBy('sort_order')->limit(1),
        ];

        $companyReleases = $release->company_id
            ? PressRelease::query()
                ->withoutGlobalScope(PortalScope::class)
                ->tap($publishedScope)
                ->where('company_id', $release->company_id)
                ->whereKeyNot($release->getKey())
                ->with($with)
                ->orderByDesc('published_at')
                ->limit(3)
                ->get()
            : collect();

        $relatedReleases = $release->category_id
            ? PressRelease::query()
                ->withoutGlobalScope(PortalScope::class)
                ->tap($publishedScope)
                ->where('category_id', $release->category_id)
                ->whereKeyNot($release->getKey())
                ->when($companyReleases->isNotEmpty(), fn (Builder $query) => $query->whereNotIn('id', $companyReleases->modelKeys()))
                ->with($with)
                ->orderByDesc('published_at')
                ->limit(3)
                ->get()
            : collect();

        return [
            'release' => $release,
            'companyReleases' => $companyReleases,
            'relatedReleases' => $relatedReleases,
        ];
    }
}