<?php
/**
 * ItemQuantity
 *
 * PHP version 7.3
 *
 * @category Class
 * @package  SellingPartnerApi
 */

/**
 * Selling Partner API for Retail Procurement Shipments
 *
 * The Selling Partner API for Retail Procurement Shipments provides programmatic access to retail shipping data for vendors.
 *
 * The version of the OpenAPI document: v1
 * 
 * Generated by: https://openapi-generator.tech
 * OpenAPI Generator version: 5.0.1
 */

/**
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

namespace SellingPartnerApi\Model\VendorShippingV1;

use \ArrayAccess;
use \SellingPartnerApi\ObjectSerializer;
use \SellingPartnerApi\Model\ModelInterface;

/**
 * ItemQuantity Class Doc Comment
 *
 * @category Class
 * @description Details of item quantity.
 * @package  SellingPartnerApi
 * @group 
 * @implements \ArrayAccess<TKey, TValue>
 * @template TKey int|null
 * @template TValue mixed|null  
 */
class ItemQuantity implements ModelInterface, ArrayAccess, \JsonSerializable, \IteratorAggregate
{
    public const DISCRIMINATOR = null;

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

    /**
      * Array of property to type mappings. Used for (de)serialization
      *
      * @var string[]
      */
    protected static $openAPITypes = [
        'amount' => 'int',
        'unit_of_measure' => 'string',
        'unit_size' => 'int'
    ];

    /**
      * 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 $openAPIFormats = [
        'amount' => null,
        'unit_of_measure' => null,
        'unit_size' => null
    ];

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

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

    /**
     * Array of attributes where the key is the local name,
     * and the value is the original name
     *
     * @var string[]
     */
    protected static $attributeMap = [
        'amount' => 'amount',
        'unit_of_measure' => 'unitOfMeasure',
        'unit_size' => 'unitSize'
    ];

    /**
     * Array of attributes to setter functions (for deserialization of responses)
     *
     * @var string[]
     */
    protected static $setters = [
                'amount' => 'setAmount',
        'unit_of_measure' => 'setUnitOfMeasure',
        'unit_size' => 'setUnitSize'
    ];

    /**
     * Array of attributes to getter functions (for serialization of requests)
     *
     * @var string[]
     */
    protected static $getters = [
        'amount' => 'getAmount',
        'unit_of_measure' => 'getUnitOfMeasure',
        'unit_size' => 'getUnitSize'
    ];

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

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

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

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

    const UNIT_OF_MEASURE_CASES = 'Cases';
    const UNIT_OF_MEASURE_EACHES = 'Eaches';
    
    

    /**
     * Gets allowable values of the enum
     *
     * @return string[]
     */
    public function getUnitOfMeasureAllowableValues()
    {
        return [
            self::UNIT_OF_MEASURE_CASES,
            self::UNIT_OF_MEASURE_EACHES,
        ];
    }
    
    /**
     * Associative array for storing property values
     *
     * @var mixed[]
     */
    protected $container = [];

    /**
     * Constructor
     *
     * @param mixed[] $data Associated array of property values
     *                      initializing the model
     */
    public function __construct(array $data = null)
    {
        $this->container['amount'] = $data['amount'] ?? null;
        $this->container['unit_of_measure'] = $data['unit_of_measure'] ?? null;
        $this->container['unit_size'] = $data['unit_size'] ?? null;
    }

    /**
     * Show all the invalid properties with reasons.
     *
     * @return array invalid properties with reasons
     */
    public function listInvalidProperties()
    {
        $invalidProperties = [];
        if ($this->container['amount'] === null) {
            $invalidProperties[] = "'amount' can't be null";
        }
        if ($this->container['unit_of_measure'] === null) {
            $invalidProperties[] = "'unit_of_measure' can't be null";
        }
        $allowedValues = $this->getUnitOfMeasureAllowableValues();
        if (!is_null($this->container['unit_of_measure']) && !in_array($this->container['unit_of_measure'], $allowedValues, true)) {
            $invalidProperties[] = sprintf(
                "invalid value '%s' for 'unit_of_measure', must be one of '%s'",
                $this->container['unit_of_measure'],
                implode("', '", $allowedValues)
            );
        }

        return $invalidProperties;
    }

    /**
     * Validate all the properties in the model
     * return true if all passed
     *
     * @return bool True if all properties are valid
     */
    public function valid()
    {
        return count($this->listInvalidProperties()) === 0;
    }


    /**
     * Gets amount
     *
     * @return int
     */
    public function getAmount()
    {
        return $this->container['amount'];
    }

    /**
     * Sets amount
     *
     * @param int $amount Amount of units shipped for a specific item at a shipment level. If the item is present only in certain cartons or pallets within the shipment, please provide this at the appropriate carton or pallet level.
     *
     * @return self
     */
    public function setAmount($amount)
    {
        $this->container['amount'] = $amount;

        return $this;
    }
    /**
     * Gets unit_of_measure
     *
     * @return string
     */
    public function getUnitOfMeasure()
    {
        return $this->container['unit_of_measure'];
    }

    /**
     * Sets unit_of_measure
     *
     * @param string $unit_of_measure Unit of measure for the shipped quantity.
     *
     * @return self
     */
    public function setUnitOfMeasure($unit_of_measure)
    {
        $allowedValues = $this->getUnitOfMeasureAllowableValues();
        if (!in_array($unit_of_measure, $allowedValues, true)) {
            throw new \InvalidArgumentException(
                sprintf(
                    "Invalid value '%s' for 'unit_of_measure', must be one of '%s'",
                    $unit_of_measure,
                    implode("', '", $allowedValues)
                )
            );
        }
        $this->container['unit_of_measure'] = $unit_of_measure;

        return $this;
    }
    /**
     * Gets unit_size
     *
     * @return int|null
     */
    public function getUnitSize()
    {
        return $this->container['unit_size'];
    }

    /**
     * Sets unit_size
     *
     * @param int|null $unit_size The case size, in the event that we ordered using cases. Otherwise, 1.
     *
     * @return self
     */
    public function setUnitSize($unit_size)
    {
        $this->container['unit_size'] = $unit_size;

        return $this;
    }

    /**
     * Returns true if offset exists. False otherwise.
     *
     * @param integer $offset Offset
     *
     * @return boolean
     */
    #[\ReturnTypeWillChange]
    public function offsetExists($offset)
    {
        return isset($this->container[$offset]);
    }

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

    /**
     * Sets value based on offset.
     *
     * @param int|null $offset Offset
     * @param mixed    $value  Value to be set
     *
     * @return void
     */
    #[\ReturnTypeWillChange]
    public function offsetSet($offset, $value)
    {
        if (is_null($offset)) {
            $this->container[] = $value;
        } else {
            $this->container[$offset] = $value;
        }
    }

    /**
     * Unsets offset.
     *
     * @param integer $offset Offset
     *
     * @return void
     */
    #[\ReturnTypeWillChange]
    public function offsetUnset($offset)
    {
        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()
    {
       return ObjectSerializer::sanitizeForSerialization($this);
    }

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

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

    /**
     * Enable iterating over all of the model's attributes in $key => $value format
     *
     * @return \Traversable
     */
    public function getIterator(): \Traversable
    {
        return (function () {
            foreach ($this->container as $key => $value) {
                yield $key => $value;
            }
        })();
    }

    /**
     * Retrieves the property with the given name by converting the property accession
     * to a getter call.
     *
     * @param string $propertyName
     * @return mixed
     */
    public function __get($propertyName)
    {
        // This doesn't make a syntactical difference since PHP is case-insensitive, but
        // makes error messages clearer (e.g. "Call to undefined method getFoo()" rather
        // than "Call to undefined method getfoo()").
        $ucProp = ucfirst($propertyName);
        $getter = "get$ucProp";
        return $this->$getter();
    }

    /**
     * Sets the property with the given name by converting the property accession
     * to a setter call.
     *
     * @param string $propertyName
     * @param mixed $propertyValue
     * @return SellingPartnerApi\Model\VendorShippingV1\ItemQuantity
     */
    public function __set($propertyName, $propertyValue)
    {
        $ucProp = ucfirst($propertyName);
        $setter = "set$ucProp";
        $this->$setter($propertyValue);
        return $this;
    }
}


