<?php

use App\Enums\Portal;
use App\Http\Controllers\PressReleasePreviewController;
use App\Http\Controllers\Web\CategoryController;
use App\Http\Controllers\Web\NewsroomDetailController;
use App\Http\Controllers\Web\NewsroomsController;
use App\Http\Controllers\Web\PreiseController;
use App\Http\Controllers\Web\ReleaseDetailController;
use App\Http\Controllers\Web\SucheController;
use App\Http\Controllers\Web\VeroeffentlichenController;
use App\Http\Middleware\SetEdition;
use App\Models\Category;
use App\Models\Company;
use App\Models\Plan;
use App\Models\PressRelease;
use App\Scopes\PortalScope;
use App\Support\DomainAssetContext;
use App\Support\EditorialClock;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\Str;

Route::get('/pm-vorschau/{token}', PressReleasePreviewController::class)
    ->where('token', '[A-Za-z0-9]{40,}')
    ->name('press-releases.preview');

// Gemeinsame Web-Routes für alle Landingpages
// Jede Landing-Page hat das gleiche Gerüst, aber unterschiedliches Styling

// Dünner Delegations-Wrapper auf die Single Source of Truth (DomainAssetContext),
// damit Bare-Root- und Edition-Home-Route unverändert per Closure aufrufen können.
$applyWebDomainConfig = static fn (string $domainKey): array => DomainAssetContext::applyWebDomainConfig($domainKey);

$webHomeData = static function (Portal $primaryPortal, string $language = 'de'): array {
    $portalValues = [$primaryPortal->value, Portal::Both->value];

    // Aktualitäts-Stichtag an den jüngsten Datensatz koppeln (historisches Archiv).
    $referenceNow = EditorialClock::reference($portalValues, $language);
    $recentSince = $referenceNow->copy()->subDays(7);
    $previousSince = $referenceNow->copy()->subDays(14);

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

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

    $oldestPublishedAt = $publishedQuery()
        ->oldest('published_at')
        ->value('published_at');

    $leadRelease = $publishedQuery()
        ->with($with)
        ->orderByDesc('published_at')
        ->first();

    $sideReleases = $publishedQuery()
        ->with($with)
        ->when($leadRelease, fn (Builder $query) => $query->where('id', '!=', $leadRelease->id))
        ->orderByDesc('published_at')
        ->limit(4)
        ->get();

    $mostReadReleases = $publishedQuery()
        ->orderByDesc('hits')
        ->orderByDesc('published_at')
        ->limit(4)
        ->get(['id', 'slug', 'title', 'hits', 'portal', 'language']);

    $activeNewsrooms = Company::query()
        ->whereIn('portal', $portalValues)
        ->where('is_active', true)
        ->whereHas('pressReleases', function (Builder $query) use ($portalValues, $recentSince, $language): void {
            $query
                ->forPortalValues($portalValues)
                ->forLanguage($language)
                ->published()
                ->where('published_at', '>=', $recentSince);
        })
        ->withCount([
            'pressReleases as recent_releases_count' => function (Builder $query) use ($portalValues, $recentSince, $language): void {
                $query
                    ->forPortalValues($portalValues)
                    ->forLanguage($language)
                    ->published()
                    ->where('published_at', '>=', $recentSince);
            },
            'pressReleases as today_releases_count' => function (Builder $query) use ($portalValues, $referenceNow, $language): void {
                $query
                    ->forPortalValues($portalValues)
                    ->forLanguage($language)
                    ->published()
                    ->whereDate('published_at', $referenceNow->toDateString());
            },
        ])
        ->orderByDesc('today_releases_count')
        ->orderByDesc('recent_releases_count')
        ->limit(6)
        ->get()
        ->map(fn (Company $company): array => [
            'name' => $company->name,
            'slug' => $company->slug,
            'initial' => mb_strtoupper(mb_substr((string) $company->name, 0, 1)),
            'count' => (int) $company->recent_releases_count,
            'today' => (int) $company->today_releases_count > 0,
        ]);

    $industryIndex = Category::query()
        ->with(['translations' => fn ($query) => $query->where('locale', $language)])
        ->withCount([
            'pressReleases as recent_count' => function (Builder $query) use ($portalValues, $recentSince, $language): void {
                $query
                    ->forPortalValues($portalValues)
                    ->forLanguage($language)
                    ->published()
                    ->where('published_at', '>=', $recentSince);
            },
            'pressReleases as previous_count' => function (Builder $query) use ($portalValues, $recentSince, $previousSince, $language): void {
                $query
                    ->forPortalValues($portalValues)
                    ->forLanguage($language)
                    ->published()
                    ->where('published_at', '>=', $previousSince)
                    ->where('published_at', '<', $recentSince);
            },
        ])
        ->whereIn('portal', $portalValues)
        ->where('is_active', true)
        ->whereNull('parent_id')
        ->orderByDesc('recent_count')
        ->limit(7)
        ->get()
        ->map(function (Category $category): ?array {
            $translation = $category->translations->first();

            if (! $translation) {
                return null;
            }

            return [
                'name' => $translation->name,
                'href' => $translation->slug ? route('kategorie', ['slug' => $translation->slug]) : route('web.home'),
                'count' => (int) ($category->recent_count ?? 0),
                'delta' => (int) ($category->recent_count ?? 0) - (int) ($category->previous_count ?? 0),
            ];
        })
        ->filter()
        ->values();

    // "Heute im Fokus · Branche": aktivste Top-Rubrik im Stichtag-Fenster mit echten Meldungen.
    $spotlightCategory = Category::query()
        ->with(['translations' => fn ($query) => $query->where('locale', $language)])
        ->withCount([
            'pressReleases as window_count' => function (Builder $query) use ($portalValues, $recentSince, $referenceNow, $language): void {
                $query
                    ->forPortalValues($portalValues)
                    ->forLanguage($language)
                    ->published()
                    ->where('published_at', '>=', $recentSince)
                    ->where('published_at', '<=', $referenceNow);
            },
        ])
        ->whereIn('portal', $portalValues)
        ->where('is_active', true)
        ->whereNull('parent_id')
        ->orderByDesc('window_count')
        ->first();

    $spotlight = null;

    if ($spotlightCategory && $spotlightTranslation = $spotlightCategory->translations->first()) {
        $spotlightBase = static fn (): Builder => PressRelease::query()
            ->forPortalValues($portalValues)
            ->forLanguage($language)
            ->visibleInArchive()
            ->where('category_id', $spotlightCategory->id);

        $spotlightReleases = $spotlightBase()
            ->with(['company'])
            ->orderByDesc('published_at')
            ->limit(3)
            ->get()
            ->map(static function (PressRelease $release) use ($spotlightTranslation): array {
                $words = str_word_count(strip_tags((string) $release->text));
                $publishedAt = $release->published_at;

                return [
                    'time' => $publishedAt?->format('H:i') ?? '',
                    'date' => $publishedAt?->translatedFormat('j. M') ?? '',
                    'category' => $spotlightTranslation->name,
                    'title' => $release->title,
                    'company' => $release->company?->name ?? '',
                    'city' => null,
                    'minutes' => max(1, (int) ceil($words / 200)),
                    'href' => $release->slug ? route('release.detail', ['slug' => $release->slug]) : '#',
                ];
            });

        if ($spotlightReleases->isNotEmpty()) {
            $windowCount = (int) ($spotlightCategory->window_count ?? 0);
            $archiveCount = $spotlightBase()->count();
            $activeCompanies = (clone $spotlightBase())
                ->where('published_at', '>=', $recentSince)
                ->where('published_at', '<=', $referenceNow)
                ->distinct()
                ->count('company_id');

            $spotlight = [
                'industry' => $spotlightTranslation->name,
                'stats' => [
                    ['label' => 'Meldungen (7 Tage)', 'value' => number_format($windowCount, 0, ',', '.'), 'sub' => 'Stand '.$referenceNow->translatedFormat('j. M Y')],
                    ['label' => 'Aktive Unternehmen', 'value' => number_format($activeCompanies, 0, ',', '.'), 'sub' => 'in dieser Branche'],
                    ['label' => 'Im Archiv', 'value' => number_format($archiveCount, 0, ',', '.'), 'sub' => 'Meldungen gesamt'],
                ],
                'releases' => $spotlightReleases->all(),
            ];
        }
    }

    // Ad-Hoc-Ticker aus den jüngsten echten Pressemitteilungen.
    $tickerItems = $publishedQuery()
        ->orderByDesc('published_at')
        ->limit(8)
        ->get(['id', 'title', 'published_at'])
        ->map(static fn (PressRelease $release): array => [
            'time' => $release->published_at?->format('H:i') ?? '',
            'text' => Str::limit((string) $release->title, 70),
        ])
        ->all();

    return [
        'leadRelease' => $leadRelease,
        'sideReleases' => $sideReleases,
        'mostReadReleases' => $mostReadReleases,
        'activeNewsrooms' => $activeNewsrooms,
        'industryIndex' => $industryIndex,
        'spotlight' => $spotlight,
        'tickerItems' => $tickerItems,
        'homeStats' => [
            'publishedCount' => $publishedQuery()->count(),
            'publishedToday' => $publishedQuery()->whereDate('published_at', $referenceNow->toDateString())->count(),
            'archiveSince' => $oldestPublishedAt ? (int) Carbon::parse($oldestPublishedAt)->format('Y') : null,
        ],
    ];
};

// ---------------------------------------------------------------------------
// Bare Root: Publisher-Hub (pressekonto) oder Redirect auf die Default-Ausgabe.
// ---------------------------------------------------------------------------
Route::get('/', function () use ($applyWebDomainConfig) {
    $domain = request()->getHost();

    if (str_contains($domain, 'pressekonto')) {
        $applyWebDomainConfig('pressekonto');

        return view('web.pressekonto');
    }

    return redirect(request()->getSchemeAndHttpHost().'/'.SetEdition::DEFAULT_EDITION, 301);
})->name('home');

// ---------------------------------------------------------------------------
// Legacy .html-URLs -> saubere 301-Weiterleitung (vor der Edition-Gruppe, damit
// `category/x.html` nicht als Slug `x.html` in die Kategorie-Route läuft).
// ---------------------------------------------------------------------------
$htmlRedirect = static function (string $edition, string $path) {
    $base = request()->getSchemeAndHttpHost();
    $clean = trim((string) preg_replace('/\.html$/', '', $path), '/');

    // Account/Anmeldung lebt im Publisher-Hub (pressekonto), nicht am Portal.
    // Die öffentlichen Spokes haben kein eigenes Login-System (Hub-and-Spoke).
    $hubAliases = [
        'registration' => '/register',
        'login' => '/login',
    ];

    if (array_key_exists($clean, $hubAliases)) {
        $hubUrl = rtrim((string) config('domains.domain_portal_url'), '/');

        return redirect($hubUrl.$hubAliases[$clean], 301);
    }

    // Entfallene Rubriken-Übersicht -> Startseite der Ausgabe.
    if ($clean === 'kategorien') {
        return redirect($base.'/'.$edition, 301);
    }

    // Ratgeber-Strecke der Altseite (/de/presse/*.html) -> konsolidierte FAQ.
    // Hier steckt der SEO-Wert; alle Einzelseiten bündeln wir 301 auf /faq.
    if ($clean === 'presse' || str_starts_with($clean, 'presse/')) {
        return redirect($base.'/'.$edition.'/faq', 301);
    }

    // Alte Firmen-Pressemappe (presskit/{id}/{slug}) entspricht dem Newsroom.
    // Feinmapping über die Legacy-ID: companies.(legacy_portal, legacy_id) ist
    // unique-indiziert, ein Lookup liefert den heutigen Newsroom-Slug. Bei
    // gültigem öffentlichem Newsroom 301 direkt dorthin (ein Hop), sonst sauber
    // aufs Verzeichnis statt in einen 404.
    if (preg_match('#^presskit/(\d+)#', $clean, $presskitMatch) === 1) {
        $legacyPortal = str_contains(request()->getHost(), 'presseecho')
            ? Portal::Presseecho->value
            : Portal::Businessportal24->value;

        $company = Company::query()
            ->withoutGlobalScope(PortalScope::class)
            ->where('legacy_portal', $legacyPortal)
            ->where('legacy_id', (int) $presskitMatch[1])
            ->first();

        $hasPublicNewsroom = $company
            && $company->is_active
            && $company->pressReleases()
                ->withoutGlobalScope(PortalScope::class)
                ->visibleInArchive()
                ->exists();

        return redirect(
            $hasPublicNewsroom
                ? $base.'/'.$edition.'/newsroom/'.$company->slug
                : $base.'/'.$edition.'/newsrooms',
            301
        );
    }

    // Pressemappen-Pfade ohne numerische ID -> Newsrooms-Verzeichnis.
    if ($clean === 'presskit' || str_starts_with($clean, 'presskit/')) {
        return redirect($base.'/'.$edition.'/newsrooms', 301);
    }

    // Legacy-Slugs des Altsystems (meist englisch) -> neue deutsche Pfade.
    $staticAliases = [
        'pricelist' => 'preise',
        'service' => 'veroeffentlichen',
        'contact' => 'kontakt',
        'imprint' => 'impressum',
        'terms' => 'agb',
        'privacypolicy' => 'datenschutz',
    ];

    // Bereits saubere Zielpfade der neuen Struktur (Pfad bleibt erhalten).
    $staticPages = [
        'preise', 'faq', 'kontakt', 'ueber-uns', 'veroeffentlichen',
        'suche', 'newsrooms', 'api', 'team', 'partner', 'karriere',
        'hilfe', 'impressum', 'datenschutz', 'agb', 'cookies',
    ];

    if (isset($staticAliases[$clean])) {
        $target = $staticAliases[$clean];
    } elseif (str_starts_with($clean, 'category/') || str_starts_with($clean, 'press-release/')) {
        $target = $clean;
    } elseif ($clean === '' || str_contains($clean, '/')) {
        $target = $clean;
    } elseif (in_array($clean, $staticPages, true)) {
        $target = $clean;
    } else {
        // Flache Detail-URL der Altseite: /{edition}/{slug}.html
        $target = 'press-release/'.$clean;
    }

    return redirect(rtrim($base.'/'.$edition.'/'.$target, '/'), 301);
};

// ---------------------------------------------------------------------------
// Entfallene Sprach-/Regionsvarianten (de-ch, de-at) -> deutsche Ausgabe.
// Die echten Regionen-Übersichten (/region/{slug}) sind für einen späteren
// Schritt geplant; bis dahin verhindern diese 301 tote Bestands-Links.
// ---------------------------------------------------------------------------
$legacyRegions = ['de-ch', 'de-at'];

Route::get('{region}', function (string $region) {
    return redirect(request()->getSchemeAndHttpHost().'/'.SetEdition::DEFAULT_EDITION, 301);
})->whereIn('region', $legacyRegions);

Route::get('{region}/{path}', function (string $region, string $path) {
    return redirect(request()->getSchemeAndHttpHost().'/'.SetEdition::DEFAULT_EDITION, 301);
})->whereIn('region', $legacyRegions)->where('path', '.*');

Route::get('{edition}/{path}', function (string $edition, string $path) use ($htmlRedirect) {
    return $htmlRedirect($edition, $path);
})->where('path', '.*\.html')->whereIn('edition', SetEdition::EDITIONS);

// Top-Level Legacy ohne Ausgabe-Präfix -> Default-Ausgabe.
Route::get('{path}', function (string $path) use ($htmlRedirect) {
    return $htmlRedirect(SetEdition::DEFAULT_EDITION, $path);
})->where('path', '.*\.html');

// ---------------------------------------------------------------------------
// Öffentliche Inhalte je Ausgabe (Sprache): /de/... und /en/...
// ---------------------------------------------------------------------------
Route::prefix('{edition}')->whereIn('edition', SetEdition::EDITIONS)->group(function () use ($applyWebDomainConfig, $webHomeData) {
    // Startseite je Ausgabe
    Route::get('/', function (string $edition) use ($applyWebDomainConfig, $webHomeData) {
        $domain = request()->getHost();

        if (str_contains($domain, 'pressekonto')) {
            return redirect(request()->getSchemeAndHttpHost().'/', 301);
        }

        [$domainKey, $portal, $view] = match (true) {
            str_contains($domain, 'presseecho') => ['presseecho', Portal::Presseecho, 'web.presseecho'],
            default => ['businessportal24', Portal::Businessportal24, 'web.businessportal24'],
        };

        $applyWebDomainConfig($domainKey);

        return view($view, $webHomeData($portal, app()->getLocale()));
    })->name('web.home');

    // Kategorie / Branchenseite (z.B. /de/category/energie-klima)
    Route::get('category/{slug}', CategoryController::class)->name('kategorie');

    // Detailseite einer Pressemitteilung (z.B. /de/press-release/ki-revolution)
    Route::get('press-release/{slug}', ReleaseDetailController::class)->name('release.detail');

    // Preise / Tarife (datengetrieben: Plan + config/billing + config/credits)
    Route::get('preise', PreiseController::class)->name('preise');

    // Statische Seiten
    Route::view('faq', 'web.faq')->name('faq');
    Route::view('kontakt', 'web.kontakt')->name('kontakt');
    Route::view('ueber-uns', 'web.ueber-uns')->name('ueber-uns');
    Route::get('veroeffentlichen', VeroeffentlichenController::class)->name('veroeffentlichen');
    Route::get('suche', SucheController::class)->name('suche');
    Route::get('newsrooms', NewsroomsController::class)->name('newsrooms');
    Route::get('newsroom/{slug}', NewsroomDetailController::class)->name('newsroom');
    Route::view('api', 'web.api')->name('api');
    Route::view('team', 'web.team')->name('team');
    Route::view('partner', 'web.partner')->name('partner');
    Route::view('karriere', 'web.karriere')->name('karriere');
    Route::view('presse', 'web.presse')->name('presse');
    Route::view('hilfe', 'web.hilfe')->name('hilfe');
    Route::view('impressum', 'web.impressum')->name('impressum');
    Route::view('datenschutz', 'web.datenschutz')->name('datenschutz');
    Route::view('agb', 'web.agb')->name('agb');
    Route::view('cookies', 'web.cookies')->name('cookies');
});

// ---------------------------------------------------------------------------
// Sprach-/Edition-unabhängige Routen (Dev-Varianten, API-Doku).
// ---------------------------------------------------------------------------
Route::get('/variant-1', function () {
    $domain = request()->getHost();
    if (str_contains($domain, 'presseecho')) {
        return view('web.presseecho');
    }

    return view('web.businessportal24-variant-float-glow');
})->name('variant-1');

Route::get('/variant-2', function () {
    $domain = request()->getHost();
    if (str_contains($domain, 'presseecho')) {
        return view('web.presseecho');
    }

    return view('web.businessportal24-variant-glass-gradient');
});

Route::get('/docs/api/v1', function () {
    return response((string) file_get_contents(base_path('docs/api/v1.yml')), 200, [
        'Content-Type' => 'application/yaml; charset=UTF-8',
    ]);
})->name('docs.api.v1');