<?php

declare(strict_types=1);

namespace Square\Models;

use stdClass;

/**
 * A response that contains one or more `GiftCard`. The response might contain a set of `Error`
 * objects if the request resulted in errors.
 */
class ListGiftCardsResponse implements \JsonSerializable
{
    /**
     * @var Error[]|null
     */
    private $errors;

    /**
     * @var GiftCard[]|null
     */
    private $giftCards;

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

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

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

    /**
     * Returns Gift Cards.
     *
     * Gift cards retrieved.
     *
     * @return GiftCard[]|null
     */
    public function getGiftCards(): ?array
    {
        return $this->giftCards;
    }

    /**
     * Sets Gift Cards.
     *
     * Gift cards retrieved.
     *
     * @maps gift_cards
     *
     * @param GiftCard[]|null $giftCards
     */
    public function setGiftCards(?array $giftCards): void
    {
        $this->giftCards = $giftCards;
    }

    /**
     * Returns Cursor.
     *
     * When a response is truncated, it includes a cursor that you can use in a
     * subsequent request to fetch the next set of gift cards. If empty, this is
     * the final response.
     */
    public function getCursor(): ?string
    {
        return $this->cursor;
    }

    /**
     * Sets Cursor.
     *
     * When a response is truncated, it includes a cursor that you can use in a
     * subsequent request to fetch the next set of gift cards. If empty, this is
     * the final response.
     *
     * @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->giftCards)) {
            $json['gift_cards'] = $this->giftCards;
        }
        if (isset($this->cursor)) {
            $json['cursor']     = $this->cursor;
        }
        $json = array_filter($json, function ($val) {
            return $val !== null;
        });

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