<?php

declare(strict_types=1);

namespace Square\Models;

use stdClass;

/**
 * A rounding adjustment of the money being returned. Commonly used to apply cash rounding
 * when the minimum unit of the account is smaller than the lowest physical denomination of the
 * currency.
 */
class OrderRoundingAdjustment implements \JsonSerializable
{
    /**
     * @var string|null
     */
    private $uid;

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

    /**
     * @var Money|null
     */
    private $amountMoney;

    /**
     * Returns Uid.
     *
     * A unique ID that identifies the rounding adjustment only within this order.
     */
    public function getUid(): ?string
    {
        return $this->uid;
    }

    /**
     * Sets Uid.
     *
     * A unique ID that identifies the rounding adjustment only within this order.
     *
     * @maps uid
     */
    public function setUid(?string $uid): void
    {
        $this->uid = $uid;
    }

    /**
     * Returns Name.
     *
     * The name of the rounding adjustment from the original sale order.
     */
    public function getName(): ?string
    {
        return $this->name;
    }

    /**
     * Sets Name.
     *
     * The name of the rounding adjustment from the original sale order.
     *
     * @maps name
     */
    public function setName(?string $name): void
    {
        $this->name = $name;
    }

    /**
     * Returns Amount Money.
     *
     * Represents an amount of money. `Money` fields can be signed or unsigned.
     * Fields that do not explicitly define whether they are signed or unsigned are
     * considered unsigned and can only hold positive amounts. For signed fields, the
     * sign of the value indicates the purpose of the money transfer. See
     * [Working with Monetary Amounts](https://developer.squareup.com/docs/build-basics/working-with-
     * monetary-amounts)
     * for more information.
     */
    public function getAmountMoney(): ?Money
    {
        return $this->amountMoney;
    }

    /**
     * Sets Amount Money.
     *
     * Represents an amount of money. `Money` fields can be signed or unsigned.
     * Fields that do not explicitly define whether they are signed or unsigned are
     * considered unsigned and can only hold positive amounts. For signed fields, the
     * sign of the value indicates the purpose of the money transfer. See
     * [Working with Monetary Amounts](https://developer.squareup.com/docs/build-basics/working-with-
     * monetary-amounts)
     * for more information.
     *
     * @maps amount_money
     */
    public function setAmountMoney(?Money $amountMoney): void
    {
        $this->amountMoney = $amountMoney;
    }

    /**
     * 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->uid)) {
            $json['uid']          = $this->uid;
        }
        if (isset($this->name)) {
            $json['name']         = $this->name;
        }
        if (isset($this->amountMoney)) {
            $json['amount_money'] = $this->amountMoney;
        }
        $json = array_filter($json, function ($val) {
            return $val !== null;
        });

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