@extends('layouts.admin')
@section('title', $coupon->exists ? 'Edit Coupon' : 'New Coupon')
@section('content')
<h1 class="text-2xl font-bold mb-6">{{ $coupon->exists ? 'Edit' : 'New' }} Coupon</h1>
<form method="POST" action="{{ $coupon->exists ? route('admin.coupons.update', $coupon) : route('admin.coupons.store') }}" class="bg-white rounded-xl shadow-sm p-6 space-y-4 max-w-2xl"
      x-data="{ rows: {{ max($coupon->productDiscounts->count(), 1) }} }">
@csrf @if($coupon->exists) @method('PUT') @endif
<div><label class="text-sm font-medium">Coupon Code</label><input name="code" value="{{ old('code', $coupon->code) }}" required class="w-full border rounded-lg px-3 py-2 mt-1 font-mono"></div>
<div class="grid grid-cols-2 gap-4">
<div><label class="text-sm font-medium">Usage Limit</label><input type="number" name="usage_limit" value="{{ old('usage_limit', $coupon->usage_limit) }}" class="w-full border rounded-lg px-3 py-2 mt-1"></div>
<div><label class="text-sm font-medium">Expires At</label><input type="date" name="expires_at" value="{{ old('expires_at', $coupon->expires_at?->format('Y-m-d')) }}" class="w-full border rounded-lg px-3 py-2 mt-1"></div>
</div>
<label class="flex items-center gap-2 text-sm"><input type="checkbox" name="is_loyalty" value="1" {{ old('is_loyalty', $coupon->is_loyalty) ? 'checked' : '' }}> Auto-apply for repeat customers (loyalty)</label>
<label class="flex items-center gap-2 text-sm"><input type="checkbox" name="is_active" value="1" {{ old('is_active', $coupon->id ? $coupon->is_active : true) ? 'checked' : '' }}> Active</label>

<div>
<label class="text-sm font-medium">Per-product discount (same code, different discount per product; leave product blank = applies to any)</label>
<div class="space-y-2 mt-1">
@php $discounts = $coupon->productDiscounts ?? collect(); @endphp
<template x-for="i in rows" :key="i">
<div class="grid grid-cols-4 gap-2">
<select name="discount_product_id[]" class="border rounded-lg px-2 py-1 text-sm col-span-2">
<option value="">Any product</option>
@foreach($products as $p)<option value="{{ $p->id }}">{{ $p->title }}</option>@endforeach
</select>
<select name="discount_type[]" class="border rounded-lg px-2 py-1 text-sm"><option value="percent">%</option><option value="fixed">Fixed</option></select>
<input name="discount_value[]" type="number" step="0.01" placeholder="value" class="border rounded-lg px-2 py-1 text-sm">
</div>
</template>
</div>
<button type="button" @click="rows++" class="text-brand text-sm mt-2">+ Add product discount row</button>
</div>
<button class="bg-brand text-white px-6 py-2 rounded-lg font-semibold">Save</button>
</form>
@endsection