<?php

declare(strict_types=1);

namespace Square\Models;

/**
 * Describes a gift card activity of the IMPORT type and the `GiftCardGANSource` is OTHER
 * (a third-party gift card).
 */
class GiftCardActivityImport implements \JsonSerializable
{
    /**
     * @var Money
     */
    private $amountMoney;

    /**
     * @param Money $amountMoney
     */
    public function __construct(Money $amountMoney)
    {
        $this->amountMoney = $amountMoney;
    }

    /**
     * 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.
     *
     * @required
     * @maps amount_money
     */
    public function setAmountMoney(Money $amountMoney): void
    {
        $this->amountMoney = $amountMoney;
    }

    /**
     * Encode this object to JSON
     *
     * @return mixed
     */
    public function jsonSerialize()
    {
        $json = [];
        $json['amount_money'] = $this->amountMoney;

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