<?php

declare(strict_types=1);

namespace Square\Models;

class RetrieveInventoryChangesResponse implements \JsonSerializable
{
    /**
     * @var Error[]|null
     */
    private $errors;

    /**
     * @var InventoryChange[]|null
     */
    private $changes;

    /**
     * @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 Changes.
     *
     * The set of inventory changes for the requested object and locations.
     *
     * @return InventoryChange[]|null
     */
    public function getChanges(): ?array
    {
        return $this->changes;
    }

    /**
     * Sets Changes.
     *
     * The set of inventory changes for the requested object and locations.
     *
     * @maps changes
     *
     * @param InventoryChange[]|null $changes
     */
    public function setChanges(?array $changes): void
    {
        $this->changes = $changes;
    }

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

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

    /**
     * Encode this object to JSON
     *
     * @return mixed
     */
    public function jsonSerialize()
    {
        $json = [];
        if (isset($this->errors)) {
            $json['errors']  = $this->errors;
        }
        if (isset($this->changes)) {
            $json['changes'] = $this->changes;
        }
        if (isset($this->cursor)) {
            $json['cursor']  = $this->cursor;
        }

        return array_filter($json, function ($val) {
            return $val !== null;
        });
    }
}
