@extends('layouts.admin')
@section('title', isset($coupon) ? 'Gutschein bearbeiten' : 'Neuer Gutschein')
@section('content')
<div class="flex items-center gap-3 mb-6">
    <a href="{{ route('admin.coupons.index') }}" class="text-gray-400 hover:text-gray-600">← Zurück</a>
    <h2 class="text-xl font-bold">{{ isset($coupon) ? 'Gutschein bearbeiten' : 'Neuer Gutschein' }}</h2>
</div>

<form method="POST" action="{{ isset($coupon) ? route('admin.coupons.update', $coupon) : route('admin.coupons.store') }}"
      class="bg-white rounded shadow p-6 space-y-4 max-w-lg">
    @csrf
    @isset($coupon) @method('PUT') @endisset

    @if($errors->any())
    <div class="bg-red-50 border border-red-200 rounded px-4 py-3 text-sm text-red-700">
        @foreach($errors->all() as $e)<p>• {{ $e }}</p>@endforeach
    </div>
    @endif

    <div>
        <label class="block text-sm font-medium mb-1">Code *</label>
        <input type="text" name="code" value="{{ old('code', $coupon->code ?? '') }}"
               class="w-full border rounded px-3 py-2 text-sm font-mono uppercase" required placeholder="SOMMER20">
    </div>

    <div class="grid grid-cols-2 gap-4">
        <div>
            <label class="block text-sm font-medium mb-1">Typ *</label>
            <select name="type" class="w-full border rounded px-3 py-2 text-sm">
                <option value="fixed" {{ old('type', $coupon->type ?? 'fixed') === 'fixed' ? 'selected' : '' }}>Fester Betrag (€)</option>
                <option value="percent" {{ old('type', $coupon->type ?? '') === 'percent' ? 'selected' : '' }}>Prozent (%)</option>
            </select>
        </div>
        <div>
            <label class="block text-sm font-medium mb-1">Wert *</label>
            <input type="number" name="value" step="0.01" min="0.01"
                   value="{{ old('value', $coupon->value ?? '') }}"
                   class="w-full border rounded px-3 py-2 text-sm" required>
        </div>
    </div>

    <div>
        <label class="block text-sm font-medium mb-1">Mindestbestellwert (€)</label>
        <input type="number" name="min_order_value" step="0.01" min="0"
               value="{{ old('min_order_value', $coupon->min_order_value ?? '') }}"
               class="w-full border rounded px-3 py-2 text-sm" placeholder="leer = kein Minimum">
    </div>

    <div class="grid grid-cols-2 gap-4">
        <div>
            <label class="block text-sm font-medium mb-1">Ablaufdatum</label>
            <input type="date" name="expires_at"
                   value="{{ old('expires_at', isset($coupon->expires_at) ? $coupon->expires_at->format('Y-m-d') : '') }}"
                   class="w-full border rounded px-3 py-2 text-sm">
        </div>
        <div>
            <label class="block text-sm font-medium mb-1">Max. Verwendungen</label>
            <input type="number" name="max_uses" min="1"
                   value="{{ old('max_uses', $coupon->max_uses ?? '') }}"
                   class="w-full border rounded px-3 py-2 text-sm" placeholder="leer = unbegrenzt">
        </div>
    </div>

    <label class="flex items-center gap-2 text-sm">
        <input type="checkbox" name="active" value="1" {{ old('active', $coupon->active ?? true) ? 'checked' : '' }}>
        Aktiv
    </label>

    <div class="flex gap-3 pt-2">
        <button type="submit" class="bg-blue-600 text-white px-6 py-2 rounded hover:bg-blue-700">Speichern</button>
        <a href="{{ route('admin.coupons.index') }}" class="border px-6 py-2 rounded hover:bg-gray-50 text-sm">Abbrechen</a>
    </div>
</form>
@endsection