<?php

declare(strict_types=1);

namespace Square\Models;

use stdClass;

/**
 * Defines the fields that are included in the response body of
 * a request to the [ListCards]($e/Cards/ListCards) endpoint.
 *
 * Note: if there are errors processing the request, the card field will not be
 * present.
 */
class ListCardsResponse implements \JsonSerializable
{
    /**
     * @var Error[]|null
     */
    private $errors;

    /**
     * @var Card[]|null
     */
    private $cards;

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

    /**
     * Returns Errors.
     *
     * Information on errors encountered during the request.
     *
     * @return Error[]|null
     */
    public function getErrors(): ?array
    {
        return $this->errors;
    }

    /**
     * Sets Errors.
     *
     * Information on errors encountered during the request.
     *
     * @maps errors
     *
     * @param Error[]|null $errors
     */
    public function setErrors(?array $errors): void
    {
        $this->errors = $errors;
    }

    /**
     * Returns Cards.
     *
     * The requested list of `Card`s.
     *
     * @return Card[]|null
     */
    public function getCards(): ?array
    {
        return $this->cards;
    }

    /**
     * Sets Cards.
     *
     * The requested list of `Card`s.
     *
     * @maps cards
     *
     * @param Card[]|null $cards
     */
    public function setCards(?array $cards): void
    {
        $this->cards = $cards;
    }

    /**
     * Returns Cursor.
     *
     * The pagination cursor to be used in a subsequent request. If empty,
     * this is the final response.
     *
     * See [Pagination](https://developer.squareup.com/docs/basics/api101/pagination) for more information.
     */
    public function getCursor(): ?string
    {
        return $this->cursor;
    }

    /**
     * Sets Cursor.
     *
     * The pagination cursor to be used in a subsequent request. If empty,
     * this is the final response.
     *
     * See [Pagination](https://developer.squareup.com/docs/basics/api101/pagination) for more information.
     *
     * @maps cursor
     */
    public function setCursor(?string $cursor): void
    {
        $this->cursor = $cursor;
    }

    /**
     * Encode this object to JSON
     *
     * @param bool $asArrayWhenEmpty Whether to serialize this model as an array whenever no fields
     *        are set. (default: false)
     *
     * @return mixed
     */
    public function jsonSerialize(bool $asArrayWhenEmpty = false)
    {
        $json = [];
        if (isset($this->errors)) {
            $json['errors'] = $this->errors;
        }
        if (isset($this->cards)) {
            $json['cards']  = $this->cards;
        }
        if (isset($this->cursor)) {
            $json['cursor'] = $this->cursor;
        }
        $json = array_filter($json, function ($val) {
            return $val !== null;
        });

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