<?php

use App\Enums\Portal;
use App\Models\Company;
use App\Models\Contact;
use App\Models\PressRelease;
use App\Models\User;
use App\Services\Admin\AdminPerformanceCache;
use App\Services\CurrentPortalContext;
use Illuminate\Support\Facades\DB;
use Livewire\Attributes\Layout;
use Livewire\Attributes\Title;
use Livewire\Attributes\Url;
use Livewire\Volt\Component;
use Livewire\WithPagination;

new #[Layout('components.layouts.app'), Title('Firmen')] class extends Component
{
    use WithPagination;

    public string $search = '';

    public string $activeFilter = 'all';

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

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

    public string $userLookup = '';

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

    public string $contactLookup = '';

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

    public string $sortBy = 'created_at';

    public string $sortDir = 'desc';

    public function sort(string $column): void
    {
        if ($this->sortBy === $column) {
            $this->sortDir = $this->sortDir === 'asc' ? 'desc' : 'asc';
        } else {
            $this->sortBy = $column;
            $this->sortDir = 'asc';
        }
        $this->resetPage();
    }

    public function with(): array
    {
        $sortable = ['name', 'email', 'is_active', 'press_releases_count', 'contacts_count', 'created_at'];
        $sort = in_array($this->sortBy, $sortable) ? $this->sortBy : 'name';
        $sortsByCount = in_array($sort, ['press_releases_count', 'contacts_count'], true);

        $companiesQuery = Company::query()
            ->when($sortsByCount, fn ($query) => $query->withCount(['pressReleases', 'contacts']))
            ->when($this->search, function ($query): void {
                $term = trim($this->search);

                if ($this->supportsFullTextSearch($term)) {
                    $query->whereFullText(['name', 'email', 'slug'], $term);

                    return;
                }

                $query->where(function ($searchQuery): void {
                    $searchQuery->where('name', 'like', '%'.$this->search.'%')->orWhere('email', 'like', '%'.$this->search.'%');
                });
            })
            ->when($this->activeFilter !== 'all', function ($query): void {
                $query->where('is_active', $this->activeFilter === 'active');
            })
            ->when($this->portalFilter !== 'all', function ($query): void {
                $query->where('portal', $this->portalFilter);
            })
            ->when($this->userFilter !== 'all', function ($query): void {
                $query->where(function ($userScopedQuery): void {
                    $userScopedQuery
                        ->where('owner_user_id', (int) $this->userFilter)
                        ->orWhereHas('users', fn ($userQuery) => $userQuery->where('users.id', (int) $this->userFilter));
                });
            })
            ->when($this->contactFilter !== 'all', function ($query): void {
                $query->whereHas('contacts', fn ($contactQuery) => $contactQuery->where('contacts.id', (int) $this->contactFilter));
            })
            ->when($this->qualityFilter !== 'all', function ($query): void {
                match ($this->qualityFilter) {
                    'with_press_releases' => $query->whereHas('pressReleases'),
                    'without_press_releases' => $query->whereDoesntHave('pressReleases'),
                    'with_contacts' => $query->whereHas('contacts'),
                    'without_contacts' => $query->whereDoesntHave('contacts'),
                    default => null,
                };
            })
            ->orderBy($sort, $this->sortDir);

        $companies = $companiesQuery->paginate(50);

        if (! $sortsByCount) {
            $this->hydrateCounts($companies);
        }

        return [
            'companies' => $companies,
            'stats' => $this->stats(),
            'portalOptions' => Portal::cases(),
            'userLookupResults' => $this->userLookupResults(),
            'contactLookupResults' => $this->contactLookupResults(),
        ];
    }

    /**
     * @return array{total: int, active: int, inactive: int}
     */
    private function stats(): array
    {
        $portal = CurrentPortalContext::get()?->value ?? 'all';
        $cache = app(AdminPerformanceCache::class);

        return $cache->remember($cache->companiesStatsKey($portal), AdminPerformanceCache::StatsTtl, function (): array {
            $stats = Company::query()
                ->toBase()
                ->selectRaw('COUNT(*) as total')
                ->selectRaw('SUM(CASE WHEN is_active = ? THEN 1 ELSE 0 END) as active', [true])
                ->selectRaw('SUM(CASE WHEN is_active = ? THEN 1 ELSE 0 END) as inactive', [false])
                ->first();

            return [
                'total' => (int) ($stats->total ?? 0),
                'active' => (int) ($stats->active ?? 0),
                'inactive' => (int) ($stats->inactive ?? 0),
            ];
        });
    }

    private function hydrateCounts($companies): void
    {
        $companyIds = $companies->getCollection()->pluck('id');

        if ($companyIds->isEmpty()) {
            return;
        }

        $pressReleaseCounts = PressRelease::query()
            ->whereIn('company_id', $companyIds)
            ->selectRaw('company_id, COUNT(*) as aggregate')
            ->groupBy('company_id')
            ->pluck('aggregate', 'company_id');

        $contactCounts = Contact::query()
            ->whereIn('company_id', $companyIds)
            ->selectRaw('company_id, COUNT(*) as aggregate')
            ->groupBy('company_id')
            ->pluck('aggregate', 'company_id');

        $companies->getCollection()->each(function (Company $company) use ($pressReleaseCounts, $contactCounts): void {
            $company->setAttribute('press_releases_count', (int) $pressReleaseCounts->get($company->id, 0));
            $company->setAttribute('contacts_count', (int) $contactCounts->get($company->id, 0));
        });
    }

    private function supportsFullTextSearch(string $term): bool
    {
        return mb_strlen($term) >= 3
            && in_array(DB::connection()->getDriverName(), ['mysql', 'pgsql'], true);
    }

    public function updatedSearch(): void
    {
        $this->resetPage();
    }

    public function updatedActiveFilter(): void
    {
        $this->resetPage();
    }

    public function updatedPortalFilter(): void
    {
        $this->resetPage();
    }

    public function updatedUserFilter(): void
    {
        if (blank($this->userFilter)) {
            $this->userFilter = 'all';
        }

        $this->userLookup = '';
        $this->resetPage();
    }

    public function updatedContactFilter(): void
    {
        if (blank($this->contactFilter)) {
            $this->contactFilter = 'all';
        }

        $this->contactLookup = '';
        $this->resetPage();
    }

    public function updatedQualityFilter(): void
    {
        $this->resetPage();
    }

    public function clearUserSearch(): void
    {
        $this->userFilter = 'all';
        $this->userLookup = '';
        $this->resetPage();
    }

    public function clearContactSearch(): void
    {
        $this->contactFilter = 'all';
        $this->contactLookup = '';
        $this->resetPage();
    }

    private function portalBadgeColor(?Portal $portal): string
    {
        return match ($portal) {
            Portal::Presseecho => 'blue',
            Portal::Businessportal24 => 'purple',
            Portal::Both => 'zinc',
            default => 'zinc',
        };
    }

    private function userLookupResults()
    {
        $term = trim($this->userLookup);

        if ($term === '' && $this->userFilter === 'all') {
            return collect();
        }

        return User::query()
            ->select(['id', 'name', 'email'])
            ->where(function ($query) use ($term): void {
                if ($this->userFilter !== 'all') {
                    $query->where('id', (int) $this->userFilter);
                }

                if ($term !== '') {
                    $query->orWhere(function ($searchQuery) use ($term): void {
                        $searchQuery
                            ->where('name', 'like', '%'.$term.'%')
                            ->orWhere('email', 'like', '%'.$term.'%');
                    });
                }
            })
            ->orderBy('name')
            ->limit(20)
            ->get();
    }

    private function contactLookupResults()
    {
        $term = trim($this->contactLookup);

        if ($term === '' && $this->contactFilter === 'all') {
            return collect();
        }

        return Contact::withoutGlobalScopes()
            ->select(['id', 'company_id', 'first_name', 'last_name', 'email'])
            ->with('company:id,name')
            ->where(function ($query) use ($term): void {
                if ($this->contactFilter !== 'all') {
                    $query->where('id', (int) $this->contactFilter);
                }

                if ($term !== '') {
                    $query->orWhere(function ($searchQuery) use ($term): void {
                        $searchQuery
                            ->where('first_name', 'like', '%'.$term.'%')
                            ->orWhere('last_name', 'like', '%'.$term.'%')
                            ->orWhere('email', 'like', '%'.$term.'%');
                    });
                }
            })
            ->orderBy('last_name')
            ->orderBy('first_name')
            ->limit(20)
            ->get();
    }
}; ?>

<div class="space-y-8">
    {{-- ============== PAGE HEADER ============== --}}
    <header class="grid items-end gap-8" style="grid-template-columns:1fr auto;">
        <div class="min-w-0">
            <div class="flex items-center gap-3 mb-3 flex-nowrap whitespace-nowrap">
                <span class="badge hub dot">{{ __('Admin Backend') }}</span>
                <span class="eyebrow muted">{{ __('Stammdaten · Firmen') }}</span>
            </div>
            <h1 class="text-[34px] font-bold tracking-[-0.7px] leading-[1.1] m-0 text-[color:var(--color-ink)]">
                {{ __('Firmen') }}
            </h1>
            <p class="text-[13.5px] leading-[1.55] mt-2 m-0 max-w-[640px] text-[color:var(--color-ink-2)]">
                {{ __('Übersicht aller Firmen beider Portale, mit Filter, Datenqualität und Schnellaktionen.') }}
            </p>
        </div>

        <div class="flex items-center gap-3 flex-shrink-0">
            <flux:button icon="plus" variant="primary" href="{{ route('admin.companies.create') }}" wire:navigate>
                {{ __('Neue Firma') }}
            </flux:button>
        </div>
    </header>

    {{-- ============== KPI-Reihe ============== --}}
    <section class="grid grid-cols-1 gap-4 sm:grid-cols-3">
        <x-portal.stat-card variant="primary" :label="__('Gesamt')" :value="number_format($stats['total'])">
            <x-slot:meta>{{ __('alle Portale') }}</x-slot:meta>
            <x-slot:trend>{{ __('Stammdaten-Basis') }}</x-slot:trend>
        </x-portal.stat-card>
        <x-portal.stat-card variant="ok" :label="__('Aktiv')" :value="number_format($stats['active'])">
            <x-slot:meta>{{ __('produktiv') }}</x-slot:meta>
            <x-slot:trend>{{ __('für PMs nutzbar') }}</x-slot:trend>
        </x-portal.stat-card>
        <x-portal.stat-card variant="muted" :label="__('Inaktiv')" :value="number_format($stats['inactive'])">
            <x-slot:meta>{{ __('pausiert') }}</x-slot:meta>
            <x-slot:trend>{{ __('archiviert oder geblockt') }}</x-slot:trend>
        </x-portal.stat-card>
    </section>

    {{-- ============== FILTER-PANEL ============== --}}
    <article class="panel">
        <div class="panel-head">
            <span class="section-eyebrow">{{ __('Filter & Suche') }}</span>
        </div>
        <div class="p-5 flex flex-col gap-4">
            <div class="grid grid-cols-1 gap-3 md:grid-cols-2 xl:grid-cols-7">
                <flux:input wire:model.live.debounce.300ms="search" placeholder="{{ __('Suchen...') }}"
                    icon="magnifying-glass" class="xl:col-span-2" />

                <flux:select wire:model.live="activeFilter" class="w-full">
                    <option value="all">{{ __('Alle') }}</option>
                    <option value="active">{{ __('Aktiv') }}</option>
                    <option value="inactive">{{ __('Inaktiv') }}</option>
                </flux:select>

                <flux:select wire:model.live="portalFilter" class="w-full">
                    <option value="all">{{ __('Alle Portale') }}</option>
                    @foreach($portalOptions as $portalOption)
                        <option value="{{ $portalOption->value }}">{{ $portalOption->label() }}</option>
                    @endforeach
                </flux:select>

                <flux:select wire:model.live="qualityFilter" class="w-full">
                    <option value="all">{{ __('Alle Datenstände') }}</option>
                    <option value="with_press_releases">{{ __('Mit Pressemitteilungen') }}</option>
                    <option value="without_press_releases">{{ __('Ohne Pressemitteilungen') }}</option>
                    <option value="with_contacts">{{ __('Mit Kontakten') }}</option>
                    <option value="without_contacts">{{ __('Ohne Kontakte') }}</option>
                </flux:select>

                <div class="flex gap-2">
                    <flux:select
                        wire:model.live="userFilter"
                        variant="combobox"
                        :filter="false"
                        clearable
                        placeholder="{{ __('Alle User') }}"
                        class="min-w-0 flex-1"
                    >
                        <x-slot name="input">
                            <flux:select.input wire:model.live.debounce.300ms="userLookup" placeholder="{{ __('User suchen…') }}" />
                        </x-slot>

                        @foreach($userLookupResults as $userOption)
                            <flux:select.option :value="$userOption->id" wire:key="company-user-{{ $userOption->id }}">
                                {{ $userOption->name }}
                                <span class="ml-1 text-zinc-400">· {{ $userOption->email }}</span>
                            </flux:select.option>
                        @endforeach

                        <x-slot name="empty">
                            <flux:select.option.empty>
                                {{ blank(trim($userLookup)) ? __('Usernamen oder E-Mail eingeben…') : __('Kein User gefunden.') }}
                            </flux:select.option.empty>
                        </x-slot>
                    </flux:select>

                    <flux:button
                        type="button"
                        size="sm"
                        variant="ghost"
                        icon="x-mark"
                        wire:click="clearUserSearch"
                        title="{{ __('Usersuche zurücksetzen') }}"
                    />
                </div>

                <div class="flex gap-2">
                    <flux:select
                        wire:model.live="contactFilter"
                        variant="combobox"
                        :filter="false"
                        clearable
                        placeholder="{{ __('Alle Kontakte') }}"
                        class="min-w-0 flex-1"
                    >
                        <x-slot name="input">
                            <flux:select.input wire:model.live.debounce.300ms="contactLookup" placeholder="{{ __('Kontakt suchen…') }}" />
                        </x-slot>

                        @foreach($contactLookupResults as $contactOption)
                            @php($contactName = trim(($contactOption->first_name ?? '').' '.($contactOption->last_name ?? '')) ?: __('Kontakt ohne Name'))
                            <flux:select.option :value="$contactOption->id" wire:key="company-contact-{{ $contactOption->id }}">
                                {{ $contactName }}
                                <span class="ml-1 text-zinc-400">
                                    @if($contactOption->email)· {{ $contactOption->email }} @endif
                                    · {{ $contactOption->company?->name ?? __('Unbekannte Firma') }}
                                </span>
                            </flux:select.option>
                        @endforeach

                        <x-slot name="empty">
                            <flux:select.option.empty>
                                {{ blank(trim($contactLookup)) ? __('Kontaktname oder E-Mail eingeben…') : __('Kein Kontakt gefunden.') }}
                            </flux:select.option.empty>
                        </x-slot>
                    </flux:select>

                    <flux:button
                        type="button"
                        size="sm"
                        variant="ghost"
                        icon="x-mark"
                        wire:click="clearContactSearch"
                        title="{{ __('Kontaktsuche zurücksetzen') }}"
                    />
                </div>
            </div>
        </div>
    </article>

    {{-- ============== TABELLE-PANEL ============== --}}
    <article class="panel overflow-hidden">
        <div class="panel-head">
            <span class="section-eyebrow">{{ __('Alle Firmen') }}</span>
            <span class="text-[11.5px] text-[color:var(--color-ink-3)]">
                {{ __(':count Einträge', ['count' => $companies->count()]) }}
            </span>
        </div>
        <flux:table>
            <flux:table.columns>
                <flux:table.column>{{ __('Aktionen') }}</flux:table.column>
                <flux:table.column sortable :sorted="$sortBy === 'name'" :direction="$sortDir"
                    wire:click="sort('name')">
                    {{ __('Firma') }}</flux:table.column>
                <flux:table.column sortable :sorted="$sortBy === 'email'" :direction="$sortDir"
                    wire:click="sort('email')">{{ __('Kontakt') }}</flux:table.column>
                <flux:table.column sortable :sorted="$sortBy === 'is_active'" :direction="$sortDir"
                    wire:click="sort('is_active')">{{ __('Status') }}</flux:table.column>
                <flux:table.column>{{ __('Portal') }}</flux:table.column>
                <flux:table.column sortable :sorted="$sortBy === 'press_releases_count'" :direction="$sortDir"
                    wire:click="sort('press_releases_count')">{{ __('PMs') }}</flux:table.column>
                <flux:table.column sortable :sorted="$sortBy === 'contacts_count'" :direction="$sortDir"
                    wire:click="sort('contacts_count')">{{ __('Kontakte') }}</flux:table.column>
                <flux:table.column sortable :sorted="$sortBy === 'created_at'" :direction="$sortDir"
                    wire:click="sort('created_at')">{{ __('Hinzugefügt') }}</flux:table.column>
            </flux:table.columns>

            <flux:table.rows>
                @forelse($companies as $company)
                    <flux:table.row :key="$company->id">
                        @php($logoUrl = $company->logoUrl())

                        <flux:table.cell>
                            <div class="flex gap-2">
                                <flux:button size="sm" variant="ghost" icon="pencil"
                                    href="{{ route('admin.companies.edit', $company->id) }}" wire:navigate />
                                <flux:button size="sm" variant="ghost" icon="eye"
                                    href="{{ route('admin.companies.show', $company->id) }}" wire:navigate />
                            </div>
                        </flux:table.cell>
                        <flux:table.cell>
                            <div class="flex items-center gap-3">
                                @if ($logoUrl)
                                    <img src="{{ $logoUrl }}" width="36" height="36"
                                         class="h-9 max-h-9 w-9 max-w-9 rounded-[4px] border border-[color:var(--color-bg-rule)] object-contain bg-[color:var(--color-bg-elev)]"
                                         alt="{{ $company->name }}">
                                @else
                                    <div class="flex h-9 w-9 items-center justify-center rounded-[4px]
                                                border border-[color:var(--color-bg-rule)] bg-[color:var(--color-bg-elev)]">
                                        <flux:icon.building-office class="size-5 text-[color:var(--color-ink-3)]" />
                                    </div>
                                @endif
                                <span class="text-[13px] font-semibold text-[color:var(--color-ink)]">
                                    {{ \Illuminate\Support\Str::limit($company->name, 60) }}
                                </span>
                            </div>
                        </flux:table.cell>

                        <flux:table.cell>
                            <div class="space-y-0.5">
                                <div class="text-[12.5px] text-[color:var(--color-ink)]">
                                    {{ $company->email ?: __('Keine E-Mail') }}
                                </div>
                                <div class="text-[12px] text-[color:var(--color-ink-3)]">
                                    {{ $company->phone ?: __('Kein Telefon') }}
                                </div>
                            </div>
                        </flux:table.cell>

                        <flux:table.cell>
                            @if ($company->is_active)
                                <span class="badge ok dot">{{ __('Aktiv') }}</span>
                            @else
                                <span class="badge err dot">{{ __('Inaktiv') }}</span>
                            @endif
                        </flux:table.cell>

                        <flux:table.cell>
                            <span class="badge hub">{{ $company->portal?->label() ?? __('Unbekannt') }}</span>
                        </flux:table.cell>

                        <flux:table.cell>
                            @if ($company->press_releases_count > 0)
                                <flux:button
                                    size="sm"
                                    variant="ghost"
                                    href="{{ route('admin.press-releases.index', ['company' => $company->id]) }}"
                                    wire:navigate
                                >
                                    {{ $company->press_releases_count }} {{ __('PMs') }}
                                </flux:button>
                            @else
                                <span class="badge hub">0</span>
                            @endif
                        </flux:table.cell>

                        <flux:table.cell>
                            @if ($company->contacts_count > 0)
                                <flux:button
                                    size="sm"
                                    variant="ghost"
                                    href="{{ route('admin.contacts.index', ['company' => $company->id]) }}"
                                    wire:navigate
                                >
                                    {{ $company->contacts_count }} {{ __('Kontakte') }}
                                </flux:button>
                            @else
                                <span class="badge hub">0</span>
                            @endif
                        </flux:table.cell>

                        <flux:table.cell>
                            <span class="text-[12px] text-[color:var(--color-ink-3)]">
                                {{ $company->created_at?->format('d.m.Y H:i') ?? '–' }}
                            </span>
                        </flux:table.cell>

                    </flux:table.row>
                @empty
                    <flux:table.row>
                        <flux:table.cell colspan="8">
                            <div class="flex flex-col items-center justify-center py-12 text-center">
                                <div class="w-14 h-14 rounded-[6px] flex items-center justify-center mb-4
                                            bg-[color:var(--color-hub-soft)] border border-[color:var(--color-hub-soft-2)] text-[color:var(--color-hub)]">
                                    <flux:icon.building-office class="size-6" />
                                </div>
                                <div class="text-[14px] font-semibold text-[color:var(--color-ink)] mb-1">
                                    {{ __('Keine Firmen gefunden') }}
                                </div>
                                <p class="text-[12px] text-[color:var(--color-ink-3)] max-w-md m-0">
                                    {{ __('Passen Sie die Filter an oder legen Sie eine neue Firma an.') }}
                                </p>
                            </div>
                        </flux:table.cell>
                    </flux:table.row>
                @endforelse
            </flux:table.rows>
        </flux:table>
        <div class="border-t border-[color:var(--color-bg-rule)] p-4">
            {{ $companies->links('components.portal.pagination') }}
        </div>
    </article>
</div>