<?php

use App\Enums\Portal;
use App\Models\Company;
use App\Models\Contact;
use Illuminate\Support\Facades\DB;
use Livewire\Attributes\Layout;
use Livewire\Attributes\Title;
use Livewire\Volt\Component;

new #[Layout('components.layouts.app'), Title('Firma anzeigen')] class extends Component
{
    public int $id;

    public string $activeTab = 'overview';

    public string $contactSearch = '';

    public string $contactLookup = '';

    public ?int $selectedExistingContactId = null;

    public function updatedSelectedExistingContactId(): void
    {
        if ($this->selectedExistingContactId) {
            $this->attachExistingContact();
        }
    }

    public function mount(int $id): void
    {
        $this->id = $id;

        $companyExists = Company::query()->whereKey($id)->exists();

        if (! $companyExists) {
            session()->flash('error', __('Die angeforderte Firma wurde nicht gefunden.'));
            $this->redirect(route('admin.companies.index'), navigate: true);

            return;
        }
    }

    public function setTab(string $tab): void
    {
        if (in_array($tab, ['overview', 'contacts'], true)) {
            $this->activeTab = $tab;
        }
    }

    public function updatedContactLookup(): void
    {
        $this->selectedExistingContactId = null;
    }

    public function attachExistingContact(): void
    {
        if (! $this->selectedExistingContactId) {
            return;
        }

        $company = Company::query()->find($this->id);
        if (! $company) {
            session()->flash('error', __('Die angeforderte Firma wurde nicht gefunden.'));

            return;
        }

        $contact = Contact::query()->find($this->selectedExistingContactId);
        if (! $contact) {
            session()->flash('error', __('Der ausgewählte Kontakt wurde nicht gefunden.'));

            return;
        }

        if ($contact->company_id === $company->id) {
            session()->flash('info', __('Der Kontakt ist bereits dieser Firma zugeordnet.'));

            return;
        }

        $contact->update(['company_id' => $company->id]);

        $this->contactLookup = '';
        $this->selectedExistingContactId = null;
        session()->flash('success', __('Kontakt wurde der Firma zugeordnet.'));
    }

    public function with(): array
    {
        $company = Company::query()
            ->with([
                'pressReleases' => fn ($query) => $query->latest('id')->limit(10),
                'users:id,name,email',
            ])
            ->withCount(['pressReleases', 'contacts', 'users'])
            ->find($this->id);

        if (! $company) {
            return [
                'company' => Company::make([
                    'id' => $this->id,
                    'name' => __('Unbekannte Firma'),
                    'is_active' => false,
                ]),
                'filteredContacts' => collect(),
                'filteredContactsTotal' => 0,
                'contactLookupResults' => collect(),
                'recentPressReleases' => collect(),
            ];
        }

        $filteredContacts = collect();
        $filteredContactsTotal = 0;

        if ($this->activeTab === 'contacts') {
            $contactsQuery = Contact::query()
                ->where('company_id', $company->id)
                ->when(filled($this->contactSearch), function ($query): void {
                    $search = trim($this->contactSearch);

                    if ($this->supportsFullTextSearch($search)) {
                        $query->whereFullText(['first_name', 'last_name', 'email', 'responsibility'], $search);

                        return;
                    }

                    $query->where(function ($query) use ($search): void {
                        $query->where('first_name', 'like', '%'.$search.'%')
                            ->orWhere('last_name', 'like', '%'.$search.'%')
                            ->orWhere('email', 'like', '%'.$search.'%')
                            ->orWhere('responsibility', 'like', '%'.$search.'%');
                    });
                });

            $filteredContactsTotal = (clone $contactsQuery)->count();
            $filteredContacts = $contactsQuery
                ->orderBy('last_name')
                ->orderBy('first_name')
                ->limit(100)
                ->get(['id', 'company_id', 'portal', 'first_name', 'last_name', 'responsibility', 'email']);
        }

        $contactLookupResults = collect();
        $lookupTerm = trim($this->contactLookup);

        if ($this->activeTab === 'contacts' && mb_strlen($lookupTerm) >= 1) {
            $contactLookupResults = Contact::withoutGlobalScopes()
                ->with('company:id,name')
                ->where('company_id', '!=', $company->id)
                ->where(function ($query) use ($lookupTerm): void {
                    if ($this->supportsFullTextSearch($lookupTerm)) {
                        $query->whereFullText(['first_name', 'last_name', 'email', 'responsibility'], $lookupTerm);

                        return;
                    }

                    $query
                        ->where('first_name', 'like', '%'.$lookupTerm.'%')
                        ->orWhere('last_name', 'like', '%'.$lookupTerm.'%')
                        ->orWhere('email', 'like', '%'.$lookupTerm.'%');
                })
                ->orderBy('last_name')
                ->orderBy('first_name')
                ->limit(50)
                ->get(['id', 'company_id', 'first_name', 'last_name', 'email']);
        }

        return [
            'company' => $company,
            'filteredContacts' => $filteredContacts,
            'filteredContactsTotal' => $filteredContactsTotal,
            'contactLookupResults' => $contactLookupResults,
            'recentPressReleases' => $company->pressReleases,
        ];
    }

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

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

<div class="space-y-8">
    @if (session('success'))
        <div class="px-4 py-3 rounded-[5px] border text-[12.5px]
                    bg-[color:var(--color-ok-soft)] border-[color:var(--color-ok)]/30 text-[color:var(--color-gain-deep)]">
            {{ session('success') }}
        </div>
    @endif
    @if (session('error'))
        <div class="px-4 py-3 rounded-[5px] border text-[12.5px]
                    bg-[color:var(--color-err-soft)] border-[color:var(--color-err)]/30 text-[color:var(--color-loss)]">
            {{ session('error') }}
        </div>
    @endif
    @if (session('info'))
        <div class="px-4 py-3 rounded-[5px] border text-[12.5px]
                    bg-[color:var(--color-hub-soft)] border-[color:var(--color-hub-soft-2)] text-[color:var(--color-ink-2)]">
            {{ session('info') }}
        </div>
    @endif

    {{-- ============== PAGE HEADER ============== --}}
    @php($logoUrl = $company->logoUrl())
    <header class="page-header">
        <div class="min-w-0">
            <div class="flex items-center gap-3 mb-3 flex-wrap">
                <span class="badge hub dot">{{ __('Admin Backend') }}</span>
                <span class="eyebrow muted">{{ __('Stammdaten · Firma') }}</span>
                @if ($company->is_active)
                    <span class="badge ok">{{ __('Aktiv') }}</span>
                @else
                    <span class="badge err">{{ __('Inaktiv') }}</span>
                @endif
                <span class="badge hub">{{ $company->portal?->label() ?? __('Unbekannt') }}</span>
                <span class="badge hub">ID {{ $company->id }}</span>
            </div>
            <div class="flex items-start gap-4">
                @if ($logoUrl)
                    <img src="{{ $logoUrl }}" width="64" height="64"
                         class="h-16 max-h-16 w-16 max-w-16 rounded-[6px] border border-[color:var(--color-bg-rule)] object-contain bg-[color:var(--color-bg-elev)] flex-shrink-0"
                         alt="{{ $company->name }}">
                @else
                    <div class="flex h-16 w-16 items-center justify-center rounded-[6px]
                                border border-[color:var(--color-bg-rule)] bg-[color:var(--color-bg-elev)] flex-shrink-0">
                        <flux:icon.building-office class="size-7 text-[color:var(--color-ink-3)]" />
                    </div>
                @endif
                <div class="min-w-0">
                    <h1 class="text-[30px] font-bold tracking-[-0.6px] leading-[1.15] m-0 text-[color:var(--color-ink)] break-words">
                        {{ $company->name }}
                    </h1>
                    @if ($company->website)
                        <a href="{{ $company->website }}" target="_blank" rel="noopener"
                           class="text-[12.5px] text-[color:var(--color-hub)] underline underline-offset-2 decoration-[color:var(--color-hub)]/40 hover:decoration-[color:var(--color-hub)] mt-1 inline-block">
                            {{ $company->website }}
                        </a>
                    @endif
                </div>
            </div>
        </div>

        <div class="flex items-center gap-2 flex-shrink-0">
            <flux:button variant="filled" icon="arrow-left" href="{{ route('admin.companies.index') }}" wire:navigate>
                {{ __('Zurück') }}
            </flux:button>
            @if (\Illuminate\Support\Facades\Route::has('admin.companies.contacts.create'))
                <flux:button variant="filled" icon="user-plus" href="{{ route('admin.companies.contacts.create', ['companyId' => $company->id]) }}" wire:navigate>
                    {{ __('Kontakt hinzufügen') }}
                </flux:button>
            @endif
            <flux:button variant="primary" icon="pencil" href="{{ route('admin.companies.edit', $company->id) }}" wire:navigate>
                {{ __('Bearbeiten') }}
            </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="__('Pressemitteilungen')" :value="number_format($company->press_releases_count)">
            <x-slot:meta>{{ __('insgesamt') }}</x-slot:meta>
            <x-slot:trend>{{ __('Content-Output dieser Firma') }}</x-slot:trend>
        </x-portal.stat-card>
        <x-portal.stat-card variant="ok" :label="__('Kontakte')" :value="number_format($company->contacts_count)">
            <x-slot:meta>{{ __('Ansprechpartner') }}</x-slot:meta>
            <x-slot:trend>{{ __('für PMs verfügbar') }}</x-slot:trend>
        </x-portal.stat-card>
        <x-portal.stat-card variant="muted" :label="__('Verknüpfte Benutzer')" :value="number_format($company->users_count)">
            <x-slot:meta>{{ __('Owner & Co-Editors') }}</x-slot:meta>
            <x-slot:trend>{{ __('Backend-Zugriff') }}</x-slot:trend>
        </x-portal.stat-card>
    </section>

    {{-- ============== TABS ============== --}}
    <nav class="flex items-center gap-2 border-b border-[color:var(--color-bg-rule)]">
        <button type="button" wire:click="setTab('overview')"
                @class([
                    'px-4 py-2.5 text-[12.5px] font-semibold border-b-2 transition-colors',
                    'border-[color:var(--color-hub)] text-[color:var(--color-ink)]' => $activeTab === 'overview',
                    'border-transparent text-[color:var(--color-ink-3)] hover:text-[color:var(--color-ink)]' => $activeTab !== 'overview',
                ])>
            {{ __('Überblick') }}
        </button>
        <button type="button" wire:click="setTab('contacts')"
                @class([
                    'px-4 py-2.5 text-[12.5px] font-semibold border-b-2 transition-colors',
                    'border-[color:var(--color-hub)] text-[color:var(--color-ink)]' => $activeTab === 'contacts',
                    'border-transparent text-[color:var(--color-ink-3)] hover:text-[color:var(--color-ink)]' => $activeTab !== 'contacts',
                ])>
            {{ __('Kontakte') }}
        </button>
    </nav>

    @if ($activeTab === 'overview')
        <div class="grid gap-6 lg:grid-cols-2">
            <article class="panel">
                <div class="panel-head">
                    <span class="section-eyebrow">{{ __('Kontaktinformationen') }}</span>
                </div>
                <dl class="p-5 space-y-2.5 text-[12.5px]">
                    <div class="flex justify-between gap-2">
                        <dt class="text-[color:var(--color-ink-3)]">{{ __('E-Mail') }}</dt>
                        <dd class="text-[color:var(--color-ink)] text-right break-all">{{ $company->email ?: __('Keine E-Mail hinterlegt') }}</dd>
                    </div>
                    <div class="flex justify-between gap-2">
                        <dt class="text-[color:var(--color-ink-3)]">{{ __('Telefon') }}</dt>
                        <dd class="text-[color:var(--color-ink)]">{{ $company->phone ?: __('Kein Telefon hinterlegt') }}</dd>
                    </div>
                    <div class="flex justify-between gap-2">
                        <dt class="text-[color:var(--color-ink-3)]">{{ __('Website') }}</dt>
                        <dd class="text-[color:var(--color-ink)] text-right break-all">{{ $company->website ?: __('Keine Website hinterlegt') }}</dd>
                    </div>
                </dl>
            </article>

            <article class="panel">
                <div class="panel-head">
                    <span class="section-eyebrow">{{ __('Adresse') }}</span>
                </div>
                <dl class="p-5 space-y-2.5 text-[12.5px]">
                    <div class="flex justify-between gap-2">
                        <dt class="text-[color:var(--color-ink-3)]">{{ __('Anschrift') }}</dt>
                        <dd class="text-[color:var(--color-ink)] text-right whitespace-pre-line">{{ $company->address ?: __('Keine Adresse hinterlegt') }}</dd>
                    </div>
                    <div class="flex justify-between gap-2">
                        <dt class="text-[color:var(--color-ink-3)]">{{ __('Land') }}</dt>
                        <dd class="text-[color:var(--color-ink)]">{{ $company->country_code ?: __('Kein Land hinterlegt') }}</dd>
                    </div>
                </dl>
            </article>

            <article class="panel lg:col-span-2">
                <div class="panel-head">
                    <span class="section-eyebrow">{{ __('Aktuelle Pressemitteilungen') }}</span>
                    <flux:button size="sm" variant="filled" href="{{ route('admin.press-releases.index', ['company' => $company->id]) }}" wire:navigate>
                        {{ __('Alle anzeigen') }}
                    </flux:button>
                </div>
                <div class="divide-y divide-[color:var(--color-bg-rule)]">
                    @forelse ($recentPressReleases as $pressRelease)
                        <a href="{{ route('admin.press-releases.show', $pressRelease->id) }}" wire:navigate
                           class="flex items-center justify-between gap-3 px-5 py-3 hover:bg-[color:var(--color-bg-elev)] transition-colors">
                            <span class="text-[13px] font-semibold text-[color:var(--color-ink)] truncate">
                                {{ $pressRelease->title ?? __('Ohne Titel') }}
                            </span>
                            <span class="text-[11.5px] text-[color:var(--color-ink-3)] flex-shrink-0">
                                {{ $pressRelease->created_at?->format('d.m.Y') ?? '-' }}
                            </span>
                        </a>
                    @empty
                        <div class="px-5 py-6 text-[12.5px] text-[color:var(--color-ink-3)]">
                            {{ __('Keine Pressemitteilungen vorhanden') }}
                        </div>
                    @endforelse
                </div>
            </article>
        </div>
    @endif

    @if ($activeTab === 'contacts')
        <article class="panel">
            <div class="panel-head">
                <span class="section-eyebrow">{{ __('Ansprechpartner') }}</span>
                <span class="text-[11.5px] text-[color:var(--color-ink-3)]">
                    {{ $filteredContactsTotal }} {{ __('Einträge') }}
                </span>
            </div>
            <div class="p-5 space-y-4">
                <div class="flex flex-col gap-3 sm:flex-row sm:items-center">
                    <flux:input
                        wire:model.live.debounce.300ms="contactSearch"
                        placeholder="{{ __('Kontakte durchsuchen...') }}"
                        icon="magnifying-glass"
                        class="flex-1"
                    />
                    @if (\Illuminate\Support\Facades\Route::has('admin.companies.contacts.create'))
                        <flux:button size="sm" icon="plus" href="{{ route('admin.companies.contacts.create', ['companyId' => $company->id]) }}" wire:navigate>
                            {{ __('Neu') }}
                        </flux:button>
                    @endif
                </div>

                <div class="rounded-[5px] border border-[color:var(--color-bg-rule)] bg-[color:var(--color-bg-elev)] p-4">
                    <div class="text-[11px] uppercase tracking-[0.6px] text-[color:var(--color-ink-3)] font-semibold mb-2">
                        {{ __('Bestehenden Kontakt zuordnen') }}
                    </div>
                    <flux:select
                        wire:model.live="selectedExistingContactId"
                        variant="combobox"
                        :filter="false"
                        placeholder="{{ __('Kontakt suchen und auswählen…') }}"
                    >
                        <x-slot name="input">
                            <flux:select.input
                                wire:model.live.debounce.300ms="contactLookup"
                                placeholder="{{ __('Name oder E-Mail…') }}"
                            />
                        </x-slot>
                        @foreach ($contactLookupResults as $lookupContact)
                            @php($lookupName = trim(($lookupContact->first_name ?? '').' '.($lookupContact->last_name ?? '')) ?: __('Kontakt ohne Name'))
                            <flux:select.option :value="$lookupContact->id" wire:key="lc-{{ $lookupContact->id }}">
                                {{ $lookupName }}
                                <span class="text-[color:var(--color-ink-3)]">
                                    @if ($lookupContact->email)
                                        · {{ $lookupContact->email }}
                                    @endif
                                    · {{ $lookupContact->company?->name ?? __('Unbekannte Firma') }}
                                </span>
                            </flux:select.option>
                        @endforeach
                        <x-slot name="empty">
                            <flux:select.option.empty>
                                @if (blank(trim($contactLookup)))
                                    {{ __('Mindestens 1 Zeichen eingeben…') }}
                                @else
                                    {{ __('Kein Kontakt gefunden.') }}
                                @endif
                            </flux:select.option.empty>
                        </x-slot>
                    </flux:select>
                </div>

                <div class="space-y-2">
                    @forelse ($filteredContacts as $contact)
                        <div class="rounded-[5px] border border-[color:var(--color-bg-rule)] bg-[color:var(--color-bg-elev)] p-3">
                            <div class="flex items-start justify-between gap-3">
                                <div class="min-w-0">
                                    <div class="flex flex-wrap items-center gap-2">
                                        <span class="text-[13px] font-semibold text-[color:var(--color-ink)]">
                                            {{ trim(($contact->first_name ?? '').' '.($contact->last_name ?? '')) ?: __('Kontakt ohne Name') }}
                                        </span>
                                        <span class="badge hub">{{ $contact->portal?->label() ?? __('Unbekannt') }}</span>
                                    </div>
                                    <div class="text-[12px] text-[color:var(--color-ink-3)] mt-0.5">
                                        {{ $contact->responsibility ?: __('Keine Rolle hinterlegt') }}
                                    </div>
                                    @if ($contact->email)
                                        <a href="mailto:{{ $contact->email }}"
                                           class="text-[12px] text-[color:var(--color-hub)] underline underline-offset-2 decoration-[color:var(--color-hub)]/40 hover:decoration-[color:var(--color-hub)] mt-0.5 inline-block">
                                            {{ $contact->email }}
                                        </a>
                                    @endif
                                </div>
                                @if (\Illuminate\Support\Facades\Route::has('admin.contacts.edit'))
                                    <flux:button size="sm" variant="filled" icon="pencil" href="{{ route('admin.contacts.edit', $contact->id) }}" wire:navigate />
                                @endif
                            </div>
                        </div>
                    @empty
                        <div class="rounded-[5px] border border-dashed border-[color:var(--color-bg-rule)] p-4 text-[12.5px] text-[color:var(--color-ink-3)]">
                            {{ __('Keine Kontakte gefunden') }}
                        </div>
                    @endforelse
                </div>

                @if ($filteredContactsTotal > $filteredContacts->count())
                    <p class="text-[11.5px] text-[color:var(--color-ink-3)] m-0">
                        {{ __('Es werden die ersten :count Kontakte angezeigt. Bitte Suche eingrenzen, um weitere Treffer zu finden.', ['count' => $filteredContacts->count()]) }}
                    </p>
                @endif
            </div>
        </article>
    @endif
</div>