@extends('layouts.platform')

@section('title', 'Invoice '.$invoice->invoice_ref)
@section('header', 'Invoice '.$invoice->invoice_ref)

@section('content')
    @if (session('success'))
        <div class="mb-4 rounded-lg bg-green-50 px-4 py-3 text-sm text-green-700 ring-1 ring-green-200">{{ session('success') }}</div>
    @endif
    @if (session('error'))
        <div class="mb-4 rounded-lg bg-red-50 px-4 py-3 text-sm text-red-700 ring-1 ring-red-200">{{ session('error') }}</div>
    @endif

    <div class="grid grid-cols-1 gap-6 lg:grid-cols-3">
        <div class="lg:col-span-2 space-y-6">
            <div class="rounded-xl bg-white p-6 shadow-sm ring-1 ring-gray-900/5">
                <div class="flex flex-col gap-4 sm:flex-row sm:items-start sm:justify-between">
                    <div>
                        <h2 class="text-base font-semibold text-gray-900">{{ $invoice->school->name }}</h2>
                        <p class="mt-1 text-sm text-gray-500">Subscription period: {{ $invoice->period_start->format('d M Y') }} → {{ $invoice->period_end->format('d M Y') }}</p>
                        <p class="mt-0.5 text-sm text-gray-500">
                            Plan: {{ $invoice->subscription?->plan?->name ?? '—' }}
                            ({{ $invoice->subscription?->plan?->billing_period ?? '—' }})
                        </p>
                    </div>
                    @if ($invoice->isIssued())
                        <form method="POST" action="{{ route('platform.billing.invoices.pay', $invoice) }}">
                            @csrf
                            <button type="submit" class="rounded-lg bg-primary-600 px-4 py-2 text-sm font-medium text-white hover:bg-primary-700 transition-colors">
                                Pay invoice
                            </button>
                        </form>
                    @else
                        <span class="rounded-full px-3 py-1 text-xs font-medium
                            {{ $invoice->status === 'paid' ? 'bg-green-50 text-green-700' : 'bg-gray-100 text-gray-600' }}">
                            {{ ucfirst($invoice->status) }}
                        </span>
                    @endif
                </div>

                <div class="mt-6 border-t border-gray-100 pt-4">
                    @foreach ($invoice->line_items ?? [] as $item)
                        <div class="flex items-center justify-between py-1.5 text-sm">
                            <span class="text-gray-600">{{ $item['label'] ?? $item['type'] }}</span>
                            <span class="tabular-nums text-gray-900">&#8358;{{ number_format((float) ($item['amount'] ?? 0), 2) }}</span>
                        </div>
                    @endforeach

                    <div class="mt-2 flex items-center justify-between border-t border-gray-100 pt-3 text-base">
                        <span class="font-semibold text-gray-900">Total due</span>
                        <span class="font-bold tabular-nums text-gray-900">&#8358;{{ number_format((float) $invoice->total, 2) }}</span>
                    </div>

                    <div class="mt-4 rounded-lg bg-gray-50 px-4 py-3 text-xs text-gray-500">
                        <p class="font-medium text-gray-600">Pishon accounting snapshot</p>
                        <p class="mt-1">Base &#8358;{{ number_format((float) $invoice->base_amount, 2) }} · Service charge &#8358;{{ number_format((float) $invoice->service_charge, 2) }} · Estimated gateway processing fee &#8358;{{ number_format((float) $invoice->gateway_fee, 2) }}</p>
                    </div>
                </div>
            </div>

            @if ($invoice->transactions->isNotEmpty())
                <div class="rounded-xl bg-white shadow-sm ring-1 ring-gray-900/5 overflow-hidden">
                    <div class="border-b border-gray-100 px-6 py-4">
                        <h3 class="text-sm font-semibold text-gray-900">Payment transactions</h3>
                    </div>
                    <div class="overflow-x-auto">
                        <table class="min-w-full divide-y divide-gray-200">
                            <thead class="bg-gray-50">
                                <tr>
                                    <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">Reference</th>
                                    <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">Provider</th>
                                    <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">Amount</th>
                                    <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">Status</th>
                                    <th class="px-6 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">Ledger postings</th>
                                </tr>
                            </thead>
                            <tbody class="divide-y divide-gray-100">
                                @foreach ($invoice->transactions as $tx)
                                    <tr>
                                        <td class="px-6 py-3 font-mono text-xs text-gray-600">{{ $tx->reference }}</td>
                                        <td class="px-6 py-3 text-sm text-gray-600">{{ $tx->provider }}</td>
                                        <td class="px-6 py-3 text-sm tabular-nums text-gray-900">&#8358;{{ number_format((float) $tx->amount, 2) }}</td>
                                        <td class="px-6 py-3 text-sm">{{ ucfirst($tx->status) }}</td>
                                        <td class="px-6 py-3 text-xs text-gray-500">{{ $tx->ledger_entries->count() }} entries</td>
                                    </tr>
                                @endforeach
                            </tbody>
                        </table>
                    </div>
                </div>
            @endif
        </div>

        <div>
            <a href="{{ route('platform.billing.invoices.index') }}"
               class="mb-4 inline-flex items-center gap-2 text-sm font-medium text-primary-600 hover:text-primary-700">
                ← Back to billing
            </a>
        </div>
    </div>
@endsection