@php
    /** @var \Illuminate\Support\Carbon $from */
    /** @var \Illuminate\Support\Carbon $to */
@endphp

<x-app-layout>
    <x-slot name="header">
        <h2 class="font-semibold text-xl text-gray-800 dark:text-gray-200 leading-tight">
            {{ __('Customer Report') }}
        </h2>
    </x-slot>

    <div class="py-12">
        <div class="max-w-5xl mx-auto sm:px-6 lg:px-8 space-y-6">
            <form method="GET" action="{{ route('reports.customers') }}" class="flex items-end gap-3">
                <div>
                    <x-input-label for="from" :value="__('From')" />
                    <x-text-input id="from" name="from" type="date" class="mt-1" :value="$from->toDateString()" />
                </div>
                <div>
                    <x-input-label for="to" :value="__('To')" />
                    <x-text-input id="to" name="to" type="date" class="mt-1" :value="$to->toDateString()" />
                </div>
                <x-secondary-button type="submit">{{ __('View') }}</x-secondary-button>
            </form>

            <div class="bg-white dark:bg-gray-800 shadow-sm sm:rounded-lg p-4">
                <h3 class="font-medium text-gray-800 dark:text-gray-200 mb-3">{{ __('Top Members by Spend') }}</h3>
                <canvas id="topCustomersChart" height="90"></canvas>
            </div>

            <div class="bg-white dark:bg-gray-800 shadow-sm sm:rounded-lg overflow-hidden">
                <table class="min-w-full divide-y divide-gray-200 dark:divide-gray-700">
                    <thead class="bg-gray-50 dark:bg-gray-900/40">
                        <tr>
                            <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">{{ __('Member') }}</th>
                            <th class="px-4 py-3 text-right text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">{{ __('Transactions') }}</th>
                            <th class="px-4 py-3 text-right text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider">{{ __('Total Spent') }}</th>
                        </tr>
                    </thead>
                    <tbody class="bg-white dark:bg-gray-800 divide-y divide-gray-200 dark:divide-gray-700">
                        @forelse ($topCustomers as $row)
                            <tr>
                                <td class="px-4 py-3 text-sm text-gray-900 dark:text-gray-100">{{ $row['customer']->name }}</td>
                                <td class="px-4 py-3 text-sm text-right tabular-nums text-gray-500 dark:text-gray-400">{{ $row['transaction_count'] }}</td>
                                <td class="px-4 py-3 text-sm text-right tabular-nums text-gray-900 dark:text-gray-100">{{ number_format($row['total_spent'], 2) }}</td>
                            </tr>
                        @empty
                            <tr>
                                <td colspan="3" class="px-4 py-6 text-center text-sm text-gray-500 dark:text-gray-400">{{ __('No member purchases in this period.') }}</td>
                            </tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    @push('scripts')
        @vite('resources/js/reports.js')
        <script>
            document.addEventListener('DOMContentLoaded', () => {
                const rows = @json($topCustomers->map(fn ($row) => ['name' => $row['customer']->name, 'total' => $row['total_spent']]));

                new Chart(document.getElementById('topCustomersChart'), {
                    type: 'bar',
                    data: {
                        labels: rows.map((r) => r.name),
                        datasets: [{ label: 'Total Spent', data: rows.map((r) => r.total), backgroundColor: '#6366f1' }],
                    },
                    options: { indexAxis: 'y', responsive: true, plugins: { legend: { display: false } } },
                });
            });
        </script>
    @endpush
</x-app-layout>