<?php

namespace Modules\Licensing\Http\Controllers\Admin;

use Illuminate\Contracts\View\View;
use Illuminate\Routing\Controller;
use Modules\Licensing\Models\License;
use Modules\Licensing\Services\PaddleReadOnlyClient;
use Throwable;

final class PaddleReconciliationController extends Controller
{
    public function index(PaddleReadOnlyClient $paddle): View
    {
        $configured = trim((string) config('sonardesk-paddle.api_key')) !== '';
        $environment = config('sonardesk-paddle.environment', 'sandbox');
        $rows = [];

        // A bounded, explicit read-only comparison; no local changes or Paddle writes.
        $licenses = License::query()
            ->where('payment_provider', 'paddle')
            ->whereNotNull('external_subscription_id')
            ->orderByDesc('created_at')
            ->limit(20)
            ->get();

        foreach ($licenses as $license) {
            $result = [
                'license' => $license,
                'remote_status' => null,
                'result' => $configured ? 'unknown' : 'not configured',
                'detail' => null,
            ];
            if ($configured) {
                try {
                    $subscription = $paddle->subscription((string) $license->external_subscription_id);
                    $result['remote_status'] = (string) ($subscription['status'] ?? 'unknown');
                    $result['result'] = $result['remote_status'] === (string) $license->subscription_status
                        ? 'matched' : 'different';
                } catch (Throwable $e) {
                    report($e);
                    $result['result'] = 'lookup failed';
                    $result['detail'] = $e->getMessage();
                }
            }
            $rows[] = $result;
        }

        return view('licensing::admin.paddle-reconciliation', compact('rows', 'configured', 'environment'));
    }
}