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<?php
/**
 * @license Copyright 2011-2014 BitPay Inc., MIT License
 * see https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
 */

namespace Bitpay;

use Bitpay\Client;

/**
 * @package Bitpay
 */
class Item implements ItemInterface
{
    /**
     * @var string
     */
    protected $code;

/**
     * @var string
     */
    protected $description;

/**
     * @var float
     */
    protected $price;

/**
     * @var integer
     */
    protected $quantity;

/**
     * @var boolean
     */
    protected $physical;

public function __construct()
    {
        $this->physical = false;
    }

/**
     * @inheritdoc
     */
    public function getCode()
    {
        return $this->code;
    }

/**
     * @param string $code
     * @return ItemInterface
     */
    public function setCode($code)
    {
        $this->code = $code;

return $this;
    }

/**
     * @inheritdoc
     */
    public function getDescription()
    {
        return $this->description;
    }

/**
     * @param string $description
     * @return ItemInterface
     */
    public function setDescription($description)
    {
        $this->description = $description;

return $this;
    }

/**
     * @inheritdoc
     */
    public function getPrice()
    {
        return $this->price;
    }

/**
     * @param mixed $price A float, integer, or en_US formatted numeric string
     * @return Item
     */
    public function setPrice($price)
    {
        if (is_string($price)) {
            $this->checkPriceFormat($price);
        }

$this->price = (float)$price;

return $this;
    }

/**
     * @inheritdoc
     */
    public function getQuantity()
    {
        return $this->quantity;
    }

/**
     * @param integer $quantity
     * @return Item
     */
    public function setQuantity($quantity)
    {
        $this->quantity = $quantity;

return $this;
    }

/**
     * @inheritdoc
     */
    public function isPhysical()
    {
        return $this->physical;
    }

/**
     * @param boolean $physical
     * @return Item
     */
    public function setPhysical($physical)
    {
        $this->physical = (boolean)$physical;

return $this;
    }

/**
     * Checks the new price to include BTC
     * values with more than 6 decimals.
     *
     * @param string $price The price value to check
     * @throws \Exception
     */
    protected function checkPriceFormat($price)
    {
        if (preg_match('/^[0-9]+?[\.,][0-9]{1,6}?$/', $price) !== 1) {
            throw new \Bitpay\Client\ArgumentException('[ERROR] In Item::checkPriceFormat(): Price value must be formatted as a float.');
        }
    }
}