<?php

use App\Enums\Portal;
use App\Enums\PressReleaseStatus;
use App\Models\Category;
use App\Models\PressRelease;
use App\Scopes\PortalScope;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Pagination\LengthAwarePaginator;
use Livewire\Attributes\Locked;
use Livewire\Attributes\Url;
use Livewire\Volt\Component;
use Livewire\WithPagination;

new class extends Component
{
    use WithPagination;

    #[Url(as: 'q', except: '')]
    public string $q = '';

    #[Url(except: '')]
    public string $category = '';

    #[Url(except: 'newest')]
    public string $sort = 'newest';

    #[Locked]
    public ?string $portal = null;

    #[Locked]
    public string $language = 'de';

    public function updated(string $property): void
    {
        if (in_array($property, ['q', 'category', 'sort'], true)) {
            $this->resetPage();
        }
    }

    public function clearFilters(): void
    {
        $this->reset(['q', 'category', 'sort']);
        $this->resetPage();
    }

    public function selectCategory(string $slug): void
    {
        $this->category = $this->category === $slug ? '' : $slug;
        $this->resetPage();
    }

    public function with(): array
    {
        // Ausgabe/Sprache auch auf Livewire-Update-Requests konsistent halten
        // (dort fehlt das /de- bzw. /en-Präfix in der URL).
        app()->setLocale($this->language);
        \Illuminate\Support\Facades\URL::defaults(['edition' => $this->language]);

        $term = trim($this->q);
        $hasQuery = mb_strlen($term) >= 2 || $this->category !== '';

        return [
            'hasQuery' => $hasQuery,
            'term' => $term,
            'results' => $hasQuery ? $this->results($term) : null,
            'archiveTotal' => $this->archiveTotal(),
            'categories' => \App\Support\CategoryNavigation::items(12),
        ];
    }

    private function results(string $term): LengthAwarePaginator
    {
        $query = $this->baseQuery();

        if (mb_strlen($term) >= 2) {
            $query->where(function (Builder $inner) use ($term): void {
                $like = '%'.$term.'%';
                $inner
                    ->whereLike('title', $like)
                    ->orWhereLike('subtitle', $like)
                    ->orWhereLike('text', $like)
                    ->orWhereLike('keywords', $like)
                    ->orWhereHas('company', fn (Builder $company) => $company->whereLike('name', $like))
                    ->orWhereHas('category.translations', fn (Builder $translation) => $translation
                        ->where('locale', $this->language)
                        ->whereLike('name', $like));
            });
        }

        if ($this->category !== '') {
            $categoryIds = $this->categoryIds($this->category);
            $query->whereIn('category_id', $categoryIds);
        }

        return $this->applySort($query)
            ->paginate(10)
            ->withQueryString();
    }

    /**
     * @return array<int, int>
     */
    private function categoryIds(string $slug): array
    {
        $category = Category::query()
            ->whereIn('portal', $this->portalValues())
            ->whereHas('translations', fn (Builder $query) => $query
                ->where('locale', $this->language)
                ->where('slug', $slug))
            ->first();

        if (! $category) {
            return [-1];
        }

        return Category::query()
            ->where(fn (Builder $query) => $query
                ->whereKey($category->getKey())
                ->orWhere('parent_id', $category->getKey()))
            ->pluck('id')
            ->all();
    }

    private function applySort(Builder $query): Builder
    {
        return match ($this->sort) {
            'oldest' => $query->orderBy('published_at'),
            'most-read' => $query->orderByDesc('hits')->orderByDesc('published_at'),
            default => $query->orderByDesc('published_at'),
        };
    }

    private function baseQuery(): Builder
    {
        return PressRelease::query()
            ->withoutGlobalScope(PortalScope::class)
            ->with([
                'company',
                'category.translations' => fn ($query) => $query->where('locale', $this->language),
            ])
            ->whereIn('portal', $this->portalValues())
            ->where('status', PressReleaseStatus::Published)
            ->where('language', $this->language)
            ->whereNotNull('published_at')
            ->where('published_at', '<=', now());
    }

    private function archiveTotal(): int
    {
        return $this->baseQuery()->count();
    }

    /**
     * @return array<int, string>
     */
    private function portalValues(): array
    {
        $primary = $this->portal ?? Portal::Businessportal24->value;

        return [$primary, Portal::Both->value];
    }
}; ?>

<div wire:loading.class="opacity-60" class="transition-opacity">
    {{-- Suchfeld --}}
    <form wire:submit.prevent class="mb-6">
        <label class="sr-only" for="search-input">Pressemitteilungen durchsuchen</label>
        <div class="flex items-center gap-3 px-4 py-3.5 border border-bg-rule-strong bg-bg-elev focus-within:border-brand transition-colors">
            <svg width="20" height="20" viewBox="0 0 16 16" fill="none" class="flex-shrink-0 text-ink-3" aria-hidden="true">
                <circle cx="7" cy="7" r="5" stroke="currentColor" stroke-width="1.5" />
                <path d="M11 11l3 3" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
            </svg>
            <input id="search-input" type="search"
                wire:model.live.debounce.400ms="q"
                placeholder="Suchbegriff, Unternehmen oder Branche…"
                autocomplete="off"
                class="flex-1 bg-transparent border-0 p-0 text-[15px] text-ink placeholder:text-ink-3 focus:outline-none focus:ring-0 min-w-0">
            <span wire:loading wire:target="q" class="font-mono text-[11px] text-ink-3 whitespace-nowrap">sucht…</span>
            @if ($q !== '' || $category !== '')
                <button type="button" wire:click="clearFilters"
                    class="flex-shrink-0 inline-flex items-center justify-center w-7 h-7 text-ink-3 hover:text-ink transition-colors"
                    aria-label="Suche zurücksetzen">
                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" aria-hidden="true">
                        <path d="M6 6l12 12M6 18L18 6" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" />
                    </svg>
                </button>
            @endif
        </div>
    </form>

    {{-- Rubriken-Filter --}}
    @if ($categories->isNotEmpty())
        <div class="flex flex-wrap gap-2 mb-5">
            <button type="button" wire:click="$set('category', '')" @class([
                'px-3.5 py-2 text-[12.5px] font-medium border transition-colors',
                'border-brand bg-brand text-white' => $category === '',
                'border-bg-rule-strong text-ink hover:bg-bg-elev' => $category !== '',
            ])>
                Alle Rubriken
            </button>
            @foreach ($categories as $cat)
                <button type="button" wire:click="selectCategory('{{ $cat['slug'] }}')" @class([
                    'px-3.5 py-2 text-[12.5px] font-medium border transition-colors',
                    'border-brand bg-brand text-white' => $category === $cat['slug'],
                    'border-bg-rule-strong text-ink hover:bg-bg-elev' => $category !== $cat['slug'],
                ])>
                    {{ $cat['label'] }}
                </button>
            @endforeach
        </div>
    @endif

    @if ($hasQuery && $results)
        {{-- Ergebnis-Kopf --}}
        <div class="flex items-baseline justify-between gap-3 flex-wrap mb-1">
            <h2 class="font-serif text-[22px] font-semibold m-0 tracking-[-0.3px] text-ink">
                {{ number_format($results->total(), 0, ',', '.') }}
                {{ $results->total() === 1 ? 'Ergebnis' : 'Ergebnisse' }}
                @if ($term !== '')
                    <span class="text-ink-3 font-normal">für „{{ $term }}"</span>
                @endif
            </h2>
            <label class="flex items-center gap-2 text-[12.5px] text-ink-3">
                <span class="whitespace-nowrap">Sortierung</span>
                <select wire:model.live="sort"
                    class="border border-bg-rule-strong bg-bg-elev text-ink text-[12.5px] py-1.5 pl-2.5 pr-7 focus:outline-none focus:border-brand">
                    <option value="newest">Neueste zuerst</option>
                    <option value="oldest">Älteste zuerst</option>
                    <option value="most-read">Meistgelesen</option>
                </select>
            </label>
        </div>
        <hr class="rule-strong mb-1">

        @forelse ($results as $release)
            <x-web.feed-item :release="$release" />
        @empty
            <div class="border border-bg-rule bg-bg-elev px-6 py-12 text-center mt-4">
                <h3 class="font-serif text-[20px] font-semibold text-ink m-0 mb-2">Keine Treffer</h3>
                <p class="text-[13px] text-ink-3 m-0 mb-5 max-w-md mx-auto">
                    Für Ihre Suche gibt es derzeit keine Pressemitteilungen. Versuchen Sie einen anderen Begriff oder entfernen Sie Filter.
                </p>
                <button type="button" wire:click="clearFilters"
                    class="inline-flex items-center gap-2 px-4 py-2.5 text-[13px] font-semibold border border-bg-rule-strong bg-white text-ink hover:bg-bg-elev transition-colors">
                    Suche zurücksetzen
                </button>
            </div>
        @endforelse

        @if ($results->hasPages())
            <nav class="mt-7 flex items-center justify-center gap-1.5" aria-label="Seitennummerierung">
                <button type="button" wire:click="previousPage" @disabled($results->onFirstPage())
                    class="inline-flex items-center justify-center w-9 h-9 border border-bg-rule-strong text-ink disabled:opacity-40 disabled:cursor-not-allowed hover:bg-bg-elev transition-colors"
                    aria-label="Vorherige Seite">
                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" aria-hidden="true"><path d="M15 19l-7-7 7-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
                </button>
                @foreach ($results->getUrlRange(max(1, $results->currentPage() - 2), min($results->lastPage(), $results->currentPage() + 2)) as $page => $url)
                    <button type="button" wire:click="gotoPage({{ $page }})" @class([
                        'inline-flex items-center justify-center min-w-9 h-9 px-2 border text-[13px] font-mono transition-colors',
                        'border-brand bg-brand text-white' => $page === $results->currentPage(),
                        'border-bg-rule-strong text-ink hover:bg-bg-elev' => $page !== $results->currentPage(),
                    ])>{{ $page }}</button>
                @endforeach
                <button type="button" wire:click="nextPage" @disabled(! $results->hasMorePages())
                    class="inline-flex items-center justify-center w-9 h-9 border border-bg-rule-strong text-ink disabled:opacity-40 disabled:cursor-not-allowed hover:bg-bg-elev transition-colors"
                    aria-label="Nächste Seite">
                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" aria-hidden="true"><path d="M9 5l7 7-7 7" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
                </button>
            </nav>
        @endif
    @else
        {{-- Discovery / Leerzustand --}}
        <div class="border border-bg-rule bg-bg-elev px-6 py-12 text-center">
            <div class="w-14 h-14 mx-auto mb-5 inline-flex items-center justify-center border border-bg-rule-strong bg-bg text-ink-3">
                <svg width="24" height="24" viewBox="0 0 16 16" fill="none" aria-hidden="true">
                    <circle cx="7" cy="7" r="5" stroke="currentColor" stroke-width="1.5" />
                    <path d="M11 11l3 3" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" />
                </svg>
            </div>
            <h2 class="font-serif text-[22px] font-semibold text-ink m-0 mb-2">Durchsuchen Sie das Archiv</h2>
            <p class="text-[13.5px] text-ink-3 m-0 max-w-lg mx-auto">
                {{ number_format($archiveTotal, 0, ',', '.') }} geprüfte Pressemitteilungen — durchsuchbar nach Stichwort,
                Unternehmen und Branche. Geben Sie oben einen Suchbegriff ein oder wählen Sie eine Rubrik.
            </p>

            @if ($categories->isNotEmpty())
                <div class="mt-7">
                    <div class="eyebrow muted text-[10px] mb-3">Beliebte Rubriken</div>
                    <div class="flex flex-wrap gap-2 justify-center">
                        @foreach ($categories->take(8) as $cat)
                            <button type="button" wire:click="selectCategory('{{ $cat['slug'] }}')"
                                class="px-3.5 py-2 text-[12.5px] font-medium border border-bg-rule-strong text-ink hover:bg-white transition-colors">
                                {{ $cat['label'] }}
                            </button>
                        @endforeach
                    </div>
                </div>
            @endif
        </div>
    @endif
</div>