<?php

declare(strict_types=1);

namespace AmazonPHP\SellingPartner\Model\VendorDirectFulfillmentShipping;

use AmazonPHP\SellingPartner\Exception\AssertionException;
use AmazonPHP\SellingPartner\ModelInterface;
use AmazonPHP\SellingPartner\ObjectSerializer;

/**
 * Selling Partner API for Direct Fulfillment Shipping.
 *
 * Use the Selling Partner API for Direct Fulfillment Shipping to access a direct fulfillment vendor's shipping data.
 *
 * The version of the OpenAPI document: 2021-12-28
 *
 * This class was auto-generated by https://openapi-generator.tech
 * Do not change it, it will be overwritten with next execution of /bin/generate.sh
 *
 * @implements \ArrayAccess<TKey, TValue>
 *
 * @template TKey int|null
 * @template TValue mixed|null
 */
class PackedItem implements \ArrayAccess, \JsonSerializable, \Stringable, ModelInterface
{
    final public const DISCRIMINATOR = null;

    /**
     * The original name of the model.
     */
    protected static string $openAPIModelName = 'PackedItem';

    /**
     * Array of property to type mappings. Used for (de)serialization.
     *
     * @var string[]
     */
    protected static array $openAPITypes = [
        'item_sequence_number' => 'int',
        'buyer_product_identifier' => 'string',
        'piece_number' => 'int',
        'vendor_product_identifier' => 'string',
        'packed_quantity' => '\AmazonPHP\SellingPartner\Model\VendorDirectFulfillmentShipping\ItemQuantity',
    ];

    /**
     * Array of property to format mappings. Used for (de)serialization.
     *
     * @var string[]
     *
     * @phpstan-var array<string, string|null>
     *
     * @psalm-var array<string, string|null>
     */
    protected static array $openAPIFormats = [
        'item_sequence_number' => null,
        'buyer_product_identifier' => null,
        'piece_number' => null,
        'vendor_product_identifier' => null,
        'packed_quantity' => null,
    ];

    /**
     * Array of attributes where the key is the local name,
     * and the value is the original name.
     *
     * @var string[]
     */
    protected static array $attributeMap = [
        'item_sequence_number' => 'itemSequenceNumber',
        'buyer_product_identifier' => 'buyerProductIdentifier',
        'piece_number' => 'pieceNumber',
        'vendor_product_identifier' => 'vendorProductIdentifier',
        'packed_quantity' => 'packedQuantity',
    ];

    /**
     * Array of attributes to setter functions (for deserialization of responses).
     *
     * @var string[]
     */
    protected static array $setters = [
        'item_sequence_number' => 'setItemSequenceNumber',
        'buyer_product_identifier' => 'setBuyerProductIdentifier',
        'piece_number' => 'setPieceNumber',
        'vendor_product_identifier' => 'setVendorProductIdentifier',
        'packed_quantity' => 'setPackedQuantity',
    ];

    /**
     * Array of attributes to getter functions (for serialization of requests).
     *
     * @var string[]
     */
    protected static array $getters = [
        'item_sequence_number' => 'getItemSequenceNumber',
        'buyer_product_identifier' => 'getBuyerProductIdentifier',
        'piece_number' => 'getPieceNumber',
        'vendor_product_identifier' => 'getVendorProductIdentifier',
        'packed_quantity' => 'getPackedQuantity',
    ];

    /**
     * Associative array for storing property values.
     *
     * @var mixed[]
     */
    protected array $container = [];

    /**
     * Constructor.
     *
     * @param null|mixed[] $data Associated array of property values
     *                           initializing the model
     */
    public function __construct(?array $data = null)
    {
        $this->container['item_sequence_number'] = $data['item_sequence_number'] ?? null;
        $this->container['buyer_product_identifier'] = $data['buyer_product_identifier'] ?? null;
        $this->container['piece_number'] = $data['piece_number'] ?? null;
        $this->container['vendor_product_identifier'] = $data['vendor_product_identifier'] ?? null;
        $this->container['packed_quantity'] = $data['packed_quantity'] ?? null;
    }

    /**
     * Array of property to type mappings. Used for (de)serialization.
     */
    public static function openAPITypes() : array
    {
        return self::$openAPITypes;
    }

    /**
     * Array of property to format mappings. Used for (de)serialization.
     */
    public static function openAPIFormats() : array
    {
        return self::$openAPIFormats;
    }

    /**
     * Array of attributes where the key is the local name,
     * and the value is the original name.
     */
    public static function attributeMap() : array
    {
        return self::$attributeMap;
    }

    /**
     * Array of attributes to setter functions (for deserialization of responses).
     */
    public static function setters() : array
    {
        return self::$setters;
    }

    /**
     * Array of attributes to getter functions (for serialization of requests).
     */
    public static function getters() : array
    {
        return self::$getters;
    }

    /**
     * Gets the string presentation of the object.
     */
    public function __toString() : string
    {
        return (string) \json_encode(
            ObjectSerializer::sanitizeForSerialization($this),
            JSON_PRETTY_PRINT
        );
    }

    /**
     * The original name of the model.
     */
    public function getModelName() : string
    {
        return self::$openAPIModelName;
    }

    /**
     * Validate all properties.
     *
     * @throws AssertionException
     */
    public function validate() : void
    {
        if ($this->container['item_sequence_number'] === null) {
            throw new AssertionException("'item_sequence_number' can't be null");
        }

        if ($this->container['packed_quantity'] === null) {
            throw new AssertionException("'packed_quantity' can't be null");
        }

        $this->container['packed_quantity']->validate();
    }

    /**
     * Gets item_sequence_number.
     */
    public function getItemSequenceNumber() : int
    {
        return $this->container['item_sequence_number'];
    }

    /**
     * Sets item_sequence_number.
     *
     * @param int $item_sequence_number The sequence number of the item. The number must be the same as the order number of the item.
     */
    public function setItemSequenceNumber(int $item_sequence_number) : self
    {
        $this->container['item_sequence_number'] = $item_sequence_number;

        return $this;
    }

    /**
     * Gets buyer_product_identifier.
     */
    public function getBuyerProductIdentifier() : ?string
    {
        return $this->container['buyer_product_identifier'];
    }

    /**
     * Sets buyer_product_identifier.
     *
     * @param null|string $buyer_product_identifier The buyer's Amazon Standard Identification Number (ASIN) of an item. Either `buyerProductIdentifier` or `vendorProductIdentifier` is required.
     */
    public function setBuyerProductIdentifier(?string $buyer_product_identifier) : self
    {
        $this->container['buyer_product_identifier'] = $buyer_product_identifier;

        return $this;
    }

    /**
     * Gets piece_number.
     */
    public function getPieceNumber() : ?int
    {
        return $this->container['piece_number'];
    }

    /**
     * Sets piece_number.
     *
     * @param null|int $piece_number The piece number of the item in this container. This is required when the item is split across different containers.
     */
    public function setPieceNumber(?int $piece_number) : self
    {
        $this->container['piece_number'] = $piece_number;

        return $this;
    }

    /**
     * Gets vendor_product_identifier.
     */
    public function getVendorProductIdentifier() : ?string
    {
        return $this->container['vendor_product_identifier'];
    }

    /**
     * Sets vendor_product_identifier.
     *
     * @param null|string $vendor_product_identifier An item's product identifier, which the vendor selects. This identifier should be the same as the identifier, such as a SKU, in the purchase order.
     */
    public function setVendorProductIdentifier(?string $vendor_product_identifier) : self
    {
        $this->container['vendor_product_identifier'] = $vendor_product_identifier;

        return $this;
    }

    /**
     * Gets packed_quantity.
     */
    public function getPackedQuantity() : ItemQuantity
    {
        return $this->container['packed_quantity'];
    }

    /**
     * Sets packed_quantity.
     *
     * @param ItemQuantity $packed_quantity packed_quantity
     */
    public function setPackedQuantity(ItemQuantity $packed_quantity) : self
    {
        $this->container['packed_quantity'] = $packed_quantity;

        return $this;
    }

    /**
     * Returns true if offset exists. False otherwise.
     */
    public function offsetExists($offset) : bool
    {
        return isset($this->container[$offset]);
    }

    /**
     * Gets offset.
     *
     * @return null|mixed
     */
    #[\ReturnTypeWillChange]
    public function offsetGet($offset) : mixed
    {
        return $this->container[$offset] ?? null;
    }

    /**
     * Sets value based on offset.
     */
    public function offsetSet($offset, $value) : void
    {
        if (null === $offset) {
            $this->container[] = $value;
        } else {
            $this->container[$offset] = $value;
        }
    }

    /**
     * Unsets offset.
     */
    public function offsetUnset($offset) : void
    {
        unset($this->container[$offset]);
    }

    /**
     * Serializes the object to a value that can be serialized natively by json_encode().
     *
     * @link https://www.php.net/manual/en/jsonserializable.jsonserialize.php
     *
     * @return mixed returns data which can be serialized by json_encode(), which is a value
     *               of any type other than a resource
     */
    #[\ReturnTypeWillChange]
    public function jsonSerialize() : string
    {
        return \json_encode(ObjectSerializer::sanitizeForSerialization($this), JSON_THROW_ON_ERROR);
    }

    /**
     * Gets a header-safe presentation of the object.
     */
    public function toHeaderValue() : string
    {
        return \json_encode(ObjectSerializer::sanitizeForSerialization($this), JSON_THROW_ON_ERROR);
    }
}
