<?php
/**
 * BasketResponseSaleDiscount
 *
 * PHP version 8.1
 *
 * @category Class
 * @package  Vend202601
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */

/**
 * API 2026-01
 *
 * Lightspeed Retail (X-Series) API.
 *
 * The version of the OpenAPI document: 2026-01
 * Contact: x-series.api@lightspeedhq.com
 * Generated by: https://openapi-generator.tech
 * Generator version: 7.21.0
 */

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

namespace Vend202601\Model;

use \ArrayAccess;
use \Vend202601\ObjectSerializer;

/**
 * BasketResponseSaleDiscount Class Doc Comment
 *
 * @category Class
 * @package  Vend202601
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 * @implements \ArrayAccess<string, mixed>
 */
class BasketResponseSaleDiscount implements ModelInterface, ArrayAccess, \JsonSerializable
{
    public const DISCRIMINATOR = null;

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

    /**
     * Array of property to type mappings. Used for (de)serialization
     *
     * @var string[]
     */
    protected static $openAPITypes = [
        'amount' => 'string',
        'discount_product_id' => 'string',
        'tax' => 'string',
        'tax_components' => '\Vend202601\Model\BasketResponseItemsInnerTaxComponentsInner[]',
        'tax_id' => 'string',
        'warning' => 'array<string,mixed>'
    ];

    /**
     * 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,
        'discount_product_id' => null,
        'tax' => null,
        'tax_components' => null,
        'tax_id' => null,
        'warning' => null
    ];

    /**
     * Array of nullable properties. Used for (de)serialization
     *
     * @var boolean[]
     */
    protected static array $openAPINullables = [
        'amount' => false,
        'discount_product_id' => false,
        'tax' => false,
        'tax_components' => false,
        'tax_id' => false,
        'warning' => true
    ];

    /**
     * If a nullable field gets set to null, insert it here
     *
     * @var boolean[]
     */
    protected array $openAPINullablesSetToNull = [];

    /**
     * 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 nullable properties
     *
     * @return array
     */
    protected static function openAPINullables(): array
    {
        return self::$openAPINullables;
    }

    /**
     * Array of nullable field names deliberately set to null
     *
     * @return boolean[]
     */
    private function getOpenAPINullablesSetToNull(): array
    {
        return $this->openAPINullablesSetToNull;
    }

    /**
     * Setter - Array of nullable field names deliberately set to null
     *
     * @param boolean[] $openAPINullablesSetToNull
     */
    private function setOpenAPINullablesSetToNull(array $openAPINullablesSetToNull): void
    {
        $this->openAPINullablesSetToNull = $openAPINullablesSetToNull;
    }

    /**
     * Checks if a property is nullable
     *
     * @param string $property
     * @return bool
     */
    public static function isNullable(string $property): bool
    {
        return self::openAPINullables()[$property] ?? false;
    }

    /**
     * Checks if a nullable property is set to null.
     *
     * @param string $property
     * @return bool
     */
    public function isNullableSetToNull(string $property): bool
    {
        return in_array($property, $this->getOpenAPINullablesSetToNull(), true);
    }

    /**
     * Array of attributes where the key is the local name,
     * and the value is the original name
     *
     * @var string[]
     */
    protected static $attributeMap = [
        'amount' => 'amount',
        'discount_product_id' => 'discount_product_id',
        'tax' => 'tax',
        'tax_components' => 'tax_components',
        'tax_id' => 'tax_id',
        'warning' => 'warning'
    ];

    /**
     * Array of attributes to setter functions (for deserialization of responses)
     *
     * @var string[]
     */
    protected static $setters = [
        'amount' => 'setAmount',
        'discount_product_id' => 'setDiscountProductId',
        'tax' => 'setTax',
        'tax_components' => 'setTaxComponents',
        'tax_id' => 'setTaxId',
        'warning' => 'setWarning'
    ];

    /**
     * Array of attributes to getter functions (for serialization of requests)
     *
     * @var string[]
     */
    protected static $getters = [
        'amount' => 'getAmount',
        'discount_product_id' => 'getDiscountProductId',
        'tax' => 'getTax',
        'tax_components' => 'getTaxComponents',
        'tax_id' => 'getTaxId',
        'warning' => 'getWarning'
    ];

    /**
     * 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;
    }


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

    /**
     * Constructor
     *
     * @param mixed[]|null $data Associated array of property values
     *                      initializing the model
     */
    public function __construct(?array $data = null)
    {
        $this->setIfExists('amount', $data ?? [], null);
        $this->setIfExists('discount_product_id', $data ?? [], null);
        $this->setIfExists('tax', $data ?? [], null);
        $this->setIfExists('tax_components', $data ?? [], null);
        $this->setIfExists('tax_id', $data ?? [], null);
        $this->setIfExists('warning', $data ?? [], null);
    }

    /**
     * Sets $this->container[$variableName] to the given data or to the given default Value; if $variableName
     * is nullable and its value is set to null in the $fields array, then mark it as "set to null" in the
     * $this->openAPINullablesSetToNull array
     *
     * @param string $variableName
     * @param array  $fields
     * @param mixed  $defaultValue
     */
    private function setIfExists(string $variableName, array $fields, $defaultValue): void
    {
        if (self::isNullable($variableName) && array_key_exists($variableName, $fields) && is_null($fields[$variableName])) {
            $this->openAPINullablesSetToNull[] = $variableName;
        }

        $this->container[$variableName] = $fields[$variableName] ?? $defaultValue;
    }

    /**
     * Show all the invalid properties with reasons.
     *
     * @return array invalid properties with reasons
     */
    public function listInvalidProperties()
    {
        $invalidProperties = [];

        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 string|null
     */
    public function getAmount()
    {
        return $this->container['amount'];
    }

    /**
     * Sets amount
     *
     * @param string|null $amount Discount amount applied (decimal string).
     *
     * @return self
     */
    public function setAmount($amount)
    {
        if (is_null($amount)) {
            throw new \InvalidArgumentException('non-nullable amount cannot be null');
        }
        $this->container['amount'] = $amount;

        return $this;
    }

    /**
     * Gets discount_product_id
     *
     * @return string|null
     */
    public function getDiscountProductId()
    {
        return $this->container['discount_product_id'];
    }

    /**
     * Sets discount_product_id
     *
     * @param string|null $discount_product_id discount_product_id
     *
     * @return self
     */
    public function setDiscountProductId($discount_product_id)
    {
        if (is_null($discount_product_id)) {
            throw new \InvalidArgumentException('non-nullable discount_product_id cannot be null');
        }
        $this->container['discount_product_id'] = $discount_product_id;

        return $this;
    }

    /**
     * Gets tax
     *
     * @return string|null
     */
    public function getTax()
    {
        return $this->container['tax'];
    }

    /**
     * Sets tax
     *
     * @param string|null $tax Tax portion of the discount (decimal string).
     *
     * @return self
     */
    public function setTax($tax)
    {
        if (is_null($tax)) {
            throw new \InvalidArgumentException('non-nullable tax cannot be null');
        }
        $this->container['tax'] = $tax;

        return $this;
    }

    /**
     * Gets tax_components
     *
     * @return \Vend202601\Model\BasketResponseItemsInnerTaxComponentsInner[]|null
     */
    public function getTaxComponents()
    {
        return $this->container['tax_components'];
    }

    /**
     * Sets tax_components
     *
     * @param \Vend202601\Model\BasketResponseItemsInnerTaxComponentsInner[]|null $tax_components tax_components
     *
     * @return self
     */
    public function setTaxComponents($tax_components)
    {
        if (is_null($tax_components)) {
            throw new \InvalidArgumentException('non-nullable tax_components cannot be null');
        }
        $this->container['tax_components'] = $tax_components;

        return $this;
    }

    /**
     * Gets tax_id
     *
     * @return string|null
     */
    public function getTaxId()
    {
        return $this->container['tax_id'];
    }

    /**
     * Sets tax_id
     *
     * @param string|null $tax_id tax_id
     *
     * @return self
     */
    public function setTaxId($tax_id)
    {
        if (is_null($tax_id)) {
            throw new \InvalidArgumentException('non-nullable tax_id cannot be null');
        }
        $this->container['tax_id'] = $tax_id;

        return $this;
    }

    /**
     * Gets warning
     *
     * @return array<string,mixed>|null
     */
    public function getWarning()
    {
        return $this->container['warning'];
    }

    /**
     * Sets warning
     *
     * @param array<string,mixed>|null $warning Non-fatal warning about an item or discount calculation.
     *
     * @return self
     */
    public function setWarning($warning)
    {
        if (is_null($warning)) {
            array_push($this->openAPINullablesSetToNull, 'warning');
        } else {
            $nullablesSetToNull = $this->getOpenAPINullablesSetToNull();
            $index = array_search('warning', $nullablesSetToNull);
            if ($index !== FALSE) {
                unset($nullablesSetToNull[$index]);
                $this->setOpenAPINullablesSetToNull($nullablesSetToNull);
            }
        }
        $this->container['warning'] = $warning;

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

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

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

    /**
     * Unsets offset.
     *
     * @param integer|string $offset Offset
     *
     * @return void
     */
    public function offsetUnset(mixed $offset): void
    {
        unset($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()
    {
       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));
    }
}


