<?php

declare(strict_types=1);

/*
 * PaypalServerSdkLib
 *
 * This file was automatically generated by APIMATIC v3.0 ( https://www.apimatic.io ).
 */

namespace PaypalServerSdkLib\Models;

use PaypalServerSdkLib\ApiHelper;
use stdClass;

/**
 * This object defines a customer in your system. Use it to manage customer profiles, save payment
 * methods and contact details.
 */
class Customer implements \JsonSerializable
{
    /**
     * @var string|null
     */
    private $id;

    /**
     * @var string|null
     */
    private $merchantCustomerId;

    /**
     * Returns Id.
     * The unique ID for a customer generated by PayPal.
     */
    public function getId(): ?string
    {
        return $this->id;
    }

    /**
     * Sets Id.
     * The unique ID for a customer generated by PayPal.
     *
     * @maps id
     */
    public function setId(?string $id): void
    {
        $this->id = $id;
    }

    /**
     * Returns Merchant Customer Id.
     * Merchants and partners may already have a data-store where their customer information is persisted.
     * Use merchant_customer_id to associate the PayPal-generated customer.id to your representation of a
     * customer.
     */
    public function getMerchantCustomerId(): ?string
    {
        return $this->merchantCustomerId;
    }

    /**
     * Sets Merchant Customer Id.
     * Merchants and partners may already have a data-store where their customer information is persisted.
     * Use merchant_customer_id to associate the PayPal-generated customer.id to your representation of a
     * customer.
     *
     * @maps merchant_customer_id
     */
    public function setMerchantCustomerId(?string $merchantCustomerId): void
    {
        $this->merchantCustomerId = $merchantCustomerId;
    }

    /**
     * Converts the Customer object to a human-readable string representation.
     *
     * @return string The string representation of the Customer object.
     */
    public function __toString(): string
    {
        return ApiHelper::stringify(
            'Customer',
            ['id' => $this->id, 'merchantCustomerId' => $this->merchantCustomerId]
        );
    }

    /**
     * Encode this object to JSON
     *
     * @param bool $asArrayWhenEmpty Whether to serialize this model as an array whenever no fields
     *        are set. (default: false)
     *
     * @return array|stdClass
     */
    #[\ReturnTypeWillChange] // @phan-suppress-current-line PhanUndeclaredClassAttribute for (php < 8.1)
    public function jsonSerialize(bool $asArrayWhenEmpty = false)
    {
        $json = [];
        if (isset($this->id)) {
            $json['id']                   = $this->id;
        }
        if (isset($this->merchantCustomerId)) {
            $json['merchant_customer_id'] = $this->merchantCustomerId;
        }

        return (!$asArrayWhenEmpty && empty($json)) ? new stdClass() : $json;
    }
}
