<?php

namespace App\Services\Pagarme;

use App\Data\Pagarme\Request\PagarmeCardRequestData\PagarmeCardBillingAddressData;
use App\Data\Pagarme\Request\PagarmeCardRequestData\PagarmeCardRequestData;
use App\Data\Pagarme\Response\PagarmeCardResponseData;
use App\Models\Address;
use App\Models\ClientPaymentMethod;
use App\Services\Pagarme\Concerns\SendsPagarmeRequests;
use Illuminate\Support\Facades\Log;

class PagarmeCardService
{
    use SendsPagarmeRequests;

    public function __construct(
        private readonly PagarmeCustomerService $pagarmeCustomerService,
    ) {}

    public function createCardForPaymentMethod(ClientPaymentMethod $paymentMethod): ?string
    {
        if (! empty($paymentMethod->gateway_card_id)) {
            return $paymentMethod->gateway_card_id;
        }

        if (empty($paymentMethod->token)) {
            throw new \InvalidArgumentException('Token do cartao e obrigatorio para salvar cartao no Pagar.me.');
        }

        $paymentMethod->loadMissing('client.user');

        $customerId = $this->pagarmeCustomerService->createCustomerForClient(
            $paymentMethod->client,
            []
        );

        if (empty($customerId)) {
            throw new \RuntimeException('Cliente precisa ter customer_id do Pagar.me para salvar cartao.');
        }

        $cardData = PagarmeCardResponseData::fromArray($this->pagarmeRequest(
            method: 'POST',
            path: "/customers/{$customerId}/cards",

            payload: new PagarmeCardRequestData(
                token: $paymentMethod->token,
                label: $paymentMethod->card_name,
                billingAddress: $this->buildBillingAddress($paymentMethod),
            ),

            idempotencyKey: $this->idempotencyKey($paymentMethod),
            errorMessage: 'Erro ao salvar cartao no Pagar.me.',
        ));

        $cardId = $cardData->id();

        if (empty($cardId)) {
            Log::channel('pagarme')->error('Pagar.me card creation returned empty id', [
                'client_payment_method_id' => $paymentMethod->id,
                'client_id'                => $paymentMethod->client_id,
                'customer_id'              => $customerId,
                'response'                 => $cardData->toArray(),
            ]);

            throw new \RuntimeException('Pagar.me card creation returned an empty id.');
        }

        $paymentMethod->forceFill([
            'gateway_card_id'  => $cardId,
            'brand'            => $paymentMethod->brand ?: $cardData->brand(),
            'last_four_digits' => $paymentMethod->last_four_digits ?: $cardData->lastFourDigits(),
        ])->save();

        return $cardId;
    }

    //

    private function idempotencyKey(ClientPaymentMethod $paymentMethod): string
    {
        return "client-payment-method-{$paymentMethod->id}-card";
    }

    //

    private function buildBillingAddress(ClientPaymentMethod $paymentMethod): PagarmeCardBillingAddressData
    {
        $address = Address::query()
            ->with(['city.state', 'state'])
            ->where('source', 'client')
            ->where('source_id', $paymentMethod->client_id)
            ->orderByDesc('is_primary')
            ->latest('id')
            ->first();

        if (! $address) {
            throw new \InvalidArgumentException('Cliente precisa ter endereco para salvar cartao no Pagar.me.');
        }

        $state = $address->state?->code ?? $address->city?->state?->code;
        $city  = $address->city?->name;

        $line1 = implode(', ', array_filter([
            $address->number ?: 'S/N',
            $address->address,
            $address->district,
        ]));

        foreach ([
            'estado'   => $state,
            'cidade'   => $city,
            'cep'      => $this->digits($address->zip_code),
            'endereco' => $line1,
        ] as $field => $value) {
            if ($value === null || $value === '') {
                throw new \InvalidArgumentException("Cliente precisa ter {$field} valido para salvar cartao no Pagar.me.");
            }
        }

        return new PagarmeCardBillingAddressData(
            line1: $line1,
            line2: $address->complement ?: $address->instructions,
            zipCode: $this->digits($address->zip_code),
            city: $city,
            state: $state,
            country: 'BR',
        );
    }

    private function digits(?string $value): string
    {
        return preg_replace('/\D+/', '', (string) $value) ?? '';
    }

    private function filterFilledRecursive(array $data): array
    {
        $filtered = [];

        foreach ($data as $key => $value) {
            if (is_array($value)) {
                $value = $this->filterFilledRecursive($value);
            }

            if ($value !== null && $value !== '' && $value !== []) {
                $filtered[$key] = $value;
            }
        }

        return $filtered;
    }
}