@extends('layouts.app')
@section('title', 'Edit Kupon')
@section('content')
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
    <div class="flex items-center justify-between mb-6">
        <div>
            <h1 class="text-2xl font-bold text-gray-900">Edit Kupon</h1>
            <p class="text-gray-500 mt-1">Perbarui kupon <span class="font-mono font-semibold text-teal-600">{{ $coupon->code }}</span></p>
        </div>
        <a href="{{ route('seller.coupons.index') }}" class="inline-flex items-center gap-2 px-4 py-2.5 border border-gray-200 text-gray-600 font-medium rounded-xl hover:bg-gray-50 transition text-sm">
            &larr; Kembali
        </a>
    </div>

    @include('seller.partials.nav')

    <div class="bg-white border border-gray-100 rounded-2xl shadow-sm p-8">
        @if($errors->any())
            <div class="bg-red-50 border border-red-200 text-red-700 p-4 rounded-xl mb-6 text-sm">
                <ul class="list-disc pl-5 space-y-1">
                    @foreach($errors->all() as $error)
                        <li>{{ $error }}</li>
                    @endforeach
                </ul>
            </div>
        @endif

        <form action="{{ route('seller.coupons.update', $coupon) }}" method="POST">
            @csrf
            @method('PUT')
            <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-6">
                <div>
                    <label for="code" class="block text-sm font-medium text-gray-700 mb-1">Kode Kupon *</label>
                    <input type="text" name="code" id="code" value="{{ old('code', $coupon->code) }}" required class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 uppercase text-sm" placeholder="DISKON10">
                    <p class="mt-1 text-xs text-gray-400">Hanya huruf dan angka, tanpa spasi.</p>
                </div>
                <div>
                    <label for="name" class="block text-sm font-medium text-gray-700 mb-1">Nama Kupon *</label>
                    <input type="text" name="name" id="name" value="{{ old('name', $coupon->name) }}" required class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm">
                </div>
                <div>
                    <label for="type" class="block text-sm font-medium text-gray-700 mb-1">Tipe Diskon *</label>
                    <select name="type" id="type" required class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm">
                        <option value="percentage" {{ old('type', $coupon->type) == 'percentage' ? 'selected' : '' }}>Persentase (%)</option>
                        <option value="fixed" {{ old('type', $coupon->type) == 'fixed' ? 'selected' : '' }}>Nominal Tetap (Rp)</option>
                    </select>
                </div>
                <div>
                    <label for="value" class="block text-sm font-medium text-gray-700 mb-1">Nilai Diskon *</label>
                    <input type="number" name="value" id="value" value="{{ old('value', $coupon->value) }}" required min="1" class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm">
                </div>
                <div>
                    <label for="min_purchase" class="block text-sm font-medium text-gray-700 mb-1">Minimum Pembelian (Rp)</label>
                    <input type="number" name="min_purchase" id="min_purchase" value="{{ old('min_purchase', $coupon->min_purchase) }}" min="0" class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm">
                </div>
                <div>
                    <label for="max_discount" class="block text-sm font-medium text-gray-700 mb-1">Maksimum Diskon (Rp, untuk tipe persen)</label>
                    <input type="number" name="max_discount" id="max_discount" value="{{ old('max_discount', $coupon->max_discount) }}" min="0" class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm" placeholder="Kosongkan jika tidak dibatasi">
                </div>
                <div>
                    <label for="usage_limit" class="block text-sm font-medium text-gray-700 mb-1">Batas Penggunaan Total</label>
                    <input type="number" name="usage_limit" id="usage_limit" value="{{ old('usage_limit', $coupon->usage_limit) }}" min="1" class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm" placeholder="Kosongkan jika tidak dibatasi">
                </div>
                <div>
                    <label for="per_user_limit" class="block text-sm font-medium text-gray-700 mb-1">Batas Per User</label>
                    <input type="number" name="per_user_limit" id="per_user_limit" value="{{ old('per_user_limit', $coupon->per_user_limit) }}" min="1" class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm">
                </div>
                <div>
                    <label for="starts_at" class="block text-sm font-medium text-gray-700 mb-1">Tanggal Mulai</label>
                    <input type="datetime-local" name="starts_at" id="starts_at" value="{{ old('starts_at', $coupon->starts_at?->format('Y-m-d\TH:i')) }}" class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm">
                </div>
                <div>
                    <label for="expires_at" class="block text-sm font-medium text-gray-700 mb-1">Tanggal Berakhir</label>
                    <input type="datetime-local" name="expires_at" id="expires_at" value="{{ old('expires_at', $coupon->expires_at?->format('Y-m-d\TH:i')) }}" class="w-full border-gray-200 rounded-xl focus:border-teal-500 focus:ring-teal-500 text-sm">
                </div>
            </div>
            <div class="mb-6">
                <label class="flex items-center gap-2">
                    <input type="checkbox" name="is_active" value="1" {{ old('is_active', $coupon->is_active) ? 'checked' : '' }} class="rounded border-gray-300 text-teal-600 focus:ring-teal-500">
                    <span class="text-sm text-gray-700">Aktifkan kupon</span>
                </label>
            </div>
            <div class="flex justify-end border-t border-gray-100 pt-6">
                <button type="submit" class="px-6 py-2.5 bg-teal-600 text-white font-semibold rounded-xl hover:bg-teal-700 transition text-sm">
                    Update Kupon
                </button>
            </div>
        </form>
    </div>
</div>
@endsection