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<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

class DetectRegion
{
    /**
     * Mapa de dominios para configuracoes regionais
     * CARD AO SEGUNDO CONTROL - Multi-Dominio
     */
    protected array $regions = [
        'card.aosegundo.pt' => [
            'currency'         => 'EUR',
            'currency_symbol'  => '',
            'locale'           => 'pt_PT',
            'country'          => 'PT',
            'payment_gateway'  => 'ifthen',
            'stripe_key'       => 'STRIPE_KEY_PT',
            'stripe_secret'    => 'STRIPE_SECRET_PT',
            'flag'             => 'PT',
            'name'             => 'Portugal',
        ],
        'card.aosegundo.com.br' => [
            'currency'         => 'BRL',
            'currency_symbol'  => 'R$',
            'locale'           => 'pt_BR',
            'country'          => 'BR',
            'payment_gateway'  => 'asaas',
            'stripe_key'       => 'STRIPE_KEY_BR',
            'stripe_secret'    => 'STRIPE_SECRET_BR',
            'flag'             => 'BR',
            'name'             => 'Brasil',
        ],
        'cardfyz.com' => [
            'currency'         => 'EUR',
            'currency_symbol'  => '',
            'locale'           => 'pt_BR',
            'country'          => 'BR',
            'payment_gateway'  => 'stripe_br',
            'stripe_key'       => 'STRIPE_KEY',
            'stripe_secret'    => 'STRIPE_SECRET',
            'flag'             => 'BR',
            'name'             => 'Card Ao Segundo (legado)',
        ],
    ];

    public function handle(Request $request, Closure $next): Response
    {
        $host   = $request->getHost();
        $region = $this->regions[$host] ?? $this->regions['cardfyz.com'];

        // Determinar gateway activo baseado no .env (dinamico - seguro dentro do handle)
        if ($host === 'card.aosegundo.pt') {
            $activeGateway = env('GATEWAY_PT', $region['payment_gateway']);
        } elseif ($host === 'card.aosegundo.com.br') {
            $activeGateway = env('GATEWAY_BR', $region['payment_gateway']);
        } else {
            $activeGateway = env('GATEWAY_BR', $region['payment_gateway']);
        }

        // Injectar configuracoes regionais em runtime
        config([
            'app.currency'         => $region['currency'],
            'app.currency_symbol'  => $region['currency_symbol'],
            'app.locale'           => $region['locale'],
            'app.country'          => $region['country'],
            'app.payment_gateway'  => $activeGateway,
            'app.region_flag'      => $region['flag'],
            'app.region_name'      => $region['name'],
            'app.url'              => 'https://' . $host,
        ]);

        // Partilhar com todas as views Blade
        view()->share('appRegion', $region);
        view()->share('appCurrency', $region['currency']);
        view()->share('appCountry', $region['country']);
        view()->share('currentDomain', $host);
        view()->share('activeGateway', $activeGateway);

        return $next($request);
    }
}