<?php

namespace App\Services\Pagarme;

use App\Data\Pagarme\Request\PagarmeCustomerRequestData\PagarmeCustomerRequestData;
use App\Data\Pagarme\Response\PagarmeCustomerResponseData\PagarmeCustomerResponseData;
use App\Models\Client;
use App\Services\Pagarme\Concerns\SendsPagarmeRequests;
use Illuminate\Support\Str;

class PagarmeCustomerService
{
    use SendsPagarmeRequests;

    public function createCustomerForClient(Client $client, array $data): ?string
    {
        if (! empty($client->external_customer_id)) {
            return $client->external_customer_id;
        }

        $client->loadMissing('user');

        $name = $client->user?->name ?? $data['name'] ?? 'Cliente';
        $email = $client->user?->email ?? $data['email'] ?? null;

        $code = $this->ensureCustomerCode($client);

        $customerData = PagarmeCustomerResponseData::fromArray($this->pagarmeRequest(
            method: 'POST',
            path: '/customers',
            payload: PagarmeCustomerRequestData::fromPayload(
                name: $name,
                email: $email,
                document: $client->document ?? $data['document'] ?? null,
                code: $code,
                addressData: $data,
                phone: $client->user?->phone ?? $data['phone'] ?? null,
            ),
            idempotencyKey: $this->idempotencyKey($client->id),
            errorMessage: 'Erro ao criar cliente no Pagar.me.',
        ));

        $customerId = $customerData->requireId();

        $client->forceFill([
            'external_customer_id'   => $customerId,
            'external_customer_code' => $code,
        ])->save();

        return $customerId;
    }

    // evita criacao duplicada de customer

    private function idempotencyKey(int $clientId, string $suffix = 'customer'): string
    {
        return "client-{$clientId}-{$suffix}";
    }

    private function ensureCustomerCode(Client $client): string
    {
        if (! empty($client->external_customer_code)) {
            return $client->external_customer_code;
        }

        $code = 'client-'.(string) Str::uuid();

        $client->forceFill(['external_customer_code' => $code])->save();

        return $code;
    }
}