{{-- resources/views/ui/inventory/warnings.blade.php --}}

@php
    $level = $level ?? request('level', 'alle');

    $levels = [
        'alle' => 'Alle',
        'warn' => 'Warnung',
        'kritisch' => 'Kritisch',
    ];

    $pill = [
        'warn' => 'bg-amber-50 text-amber-700 border-amber-200',
        'kritisch' => 'bg-red-50 text-red-700 border-red-200',
    ];

    $isDistrict = auth()->user()?->isDistrictUser();

    $rowAccent = function ($lvl) {
        return match ($lvl) {
            'kritisch' => 'border-l-4 border-l-red-400',
            'warn' => 'border-l-4 border-l-amber-400',
            default => 'border-l-4 border-l-transparent',
        };
    };

    $count = $items?->count() ?? 0;
@endphp

<x-layouts.app title="Lager-Warnungen" userRole="{{ $isDistrict ? 'Bezirksstelle' : 'Ortstelle' }}">
    <div class="flex flex-col gap-4">

        {{-- Header --}}
        <div class="flex flex-col sm:flex-row sm:items-end sm:justify-between gap-3">
            <div class="min-w-0">
                <div class="text-xl font-semibold">Warnungen</div>
                <div class="mt-1 text-sm text-rk-slate">
                    Positionen unter Mindestbestand.
                    @if ($isDistrict)
                        <span class="ml-1 text-xs text-rk-slate/80">· Alle Ortstellen im Bezirk</span>
                    @endif
                </div>

                {{-- Quick Filter Chips (optional, gleiche Funktion wie Select) --}}
                <div class="mt-3 flex flex-wrap gap-2">
                    @foreach ($levels as $k => $lbl)
                        @php
                            $active = $level === $k;
                            $chipCls = $active
                                ? 'bg-rk-red text-white border-rk-red'
                                : 'bg-white text-rk-charcoal border-rk hover:bg-neutral-50';
                        @endphp
                        <a href="{{ route('inventory.warnings', ['level' => $k]) }}"
                            class="inline-flex items-center rounded-full px-3 py-1.5 text-xs font-semibold border transition-rk {{ $chipCls }}">
                            {{ $lbl }}
                        </a>
                    @endforeach
                </div>
            </div>

            <div class="flex items-center gap-2">
                <a href="{{ route('inventory.index') }}" class="btn-rk-soft">Zurück</a>
            </div>
        </div>

        {{-- Filter --}}
        <form method="GET" action="{{ route('inventory.warnings') }}"
            class="rounded-3xl bg-white border border-rk p-4 shadow-sm">
            <div class="grid grid-cols-1 md:grid-cols-8 gap-3 md:items-end">
                <div class="md:col-span-6">
                    <label class="text-xs font-semibold text-rk-slate/80 uppercase tracking-wider">Level</label>
                    <select name="level"
                        class="mt-2 w-full rounded-2xl border border-rk bg-white px-4 py-3 text-sm focus:ring-2 ring-rk focus:border-transparent">
                        @foreach ($levels as $k => $lbl)
                            <option value="{{ $k }}" @selected($level === $k)>{{ $lbl }}
                            </option>
                        @endforeach
                    </select>
                </div>

                <div class="md:col-span-2 flex gap-2">
                    <a href="{{ route('inventory.warnings') }}"
                        class="w-full rounded-2xl border border-rk bg-white px-4 py-3 text-sm font-semibold hover:bg-neutral-50 text-center transition-rk hover:shadow-soft">
                        Reset
                    </a>
                    <button
                        class="w-full rounded-2xl bg-rk-red px-4 py-3 text-sm font-semibold text-white hover:bg-rk-red-dark transition-rk hover:shadow-soft">
                        Filtern
                    </button>
                </div>
            </div>
        </form>

        {{-- Table --}}
        <div class="rounded-3xl bg-white border border-rk shadow-sm overflow-hidden">
            <div class="px-5 py-4 flex items-center justify-between gap-3 border-b border-rk bg-white">
                <div class="min-w-0">
                    <div class="text-sm font-semibold">Übersicht</div>
                    <div class="text-xs text-rk-slate">
                        {{ $count }} Warnungen
                        @if ($level !== 'alle')
                            · Filter: <span class="font-semibold">{{ $levels[$level] ?? $level }}</span>
                        @endif
                    </div>
                </div>

                {{-- kleine Badge rechts --}}
                @if ($level !== 'alle')
                    @php
                        $badgeCls = $pill[$level] ?? 'bg-neutral-100 text-rk-slate border-rk';
                    @endphp
                    <span
                        class="hidden sm:inline-flex items-center rounded-full px-3 py-1 text-xs font-semibold border {{ $badgeCls }}">
                        {{ $levels[$level] ?? $level }}
                    </span>
                @endif
            </div>

            <div class="overflow-x-auto">
                <table class="w-full text-sm">
                    <thead class="text-xs text-rk-slate/80 uppercase tracking-wider bg-neutral-50">
                        <tr class="border-b border-rk">
                            @if ($isDistrict)
                                <th class="py-3 px-5 text-left whitespace-nowrap">Ortstelle</th>
                            @endif
                            <th class="py-3 px-5 text-left">Artikel</th>
                            <th class="py-3 px-5 text-left">Variante</th>
                            <th class="py-3 px-5 text-right whitespace-nowrap">Bestand</th>
                            <th class="py-3 px-5 text-right whitespace-nowrap">Mindest</th>
                            <th class="py-3 px-5 text-left whitespace-nowrap">Level</th>
                            <th class="py-3 px-5 text-right whitespace-nowrap">Aktion</th>
                        </tr>
                    </thead>

                    <tbody class="divide-y divide-[color:var(--rk-border)]">
                        @forelse($items as $it)
                            @php
                                $cls = $pill[$it->level] ?? 'bg-neutral-100 text-rk-slate border-rk';
                                $qty = (int) $it->quantity;
                                $min = (int) $it->minimum_quantity;
                            @endphp

                            <tr class="hover:bg-neutral-50 {{ $rowAccent($it->level) }}">
                                @if ($isDistrict)
                                    <td class="py-4 px-5 text-rk-slate whitespace-nowrap">
                                        {{ $it->station?->name ?? '—' }}
                                    </td>
                                @endif

                                <td class="py-4 px-5 font-medium">
                                    {{ $it->product?->name ?? '—' }}
                                </td>

                                <td class="py-4 px-5 text-rk-slate">
                                    {{ $it->variant?->name ?? '—' }}
                                </td>

                                <td
                                    class="py-4 px-5 text-right font-semibold {{ $qty <= 0 ? 'text-red-700' : 'text-rk-charcoal' }}">
                                    {{ $qty }}
                                </td>

                                <td class="py-4 px-5 text-right text-rk-slate">
                                    {{ $min }}
                                </td>

                                <td class="py-4 px-5">
                                    <span
                                        class="inline-flex items-center rounded-full px-3 py-1 text-xs font-semibold border {{ $cls }}">
                                        {{ $levels[$it->level] ?? $it->level }}
                                    </span>
                                </td>

                                <td class="py-4 px-6 text-right">
                                    <a href="{{ route('inventory.show', ['inventory' => $it->id]) }}"
                                        class="inline-flex items-center justify-center h-10 w-10 rounded-2xl border border-rk bg-white hover:bg-neutral-50 transition-rk focus:outline-none focus:ring-2 ring-rk"
                                        title="Öffnen" aria-label="Öffnen">
                                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20"
                                            viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"
                                            stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"
                                            class="text-rk-green">
                                            <path d="M2 12s3.5-7 10-7 10 7 10 7-3.5 7-10 7-10-7-10-7z" />
                                            <circle cx="12" cy="12" r="3" />
                                        </svg>
                                    </a>
                                </td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="{{ $isDistrict ? 7 : 6 }}" class="py-12 px-5 text-center">
                                    <div class="text-sm font-semibold text-rk-charcoal">Keine Warnungen</div>
                                    <div class="mt-1 text-xs text-rk-slate">Aktuell liegen keine Positionen unter
                                        Mindestbestand.</div>
                                </td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>

    </div>
</x-layouts.app>