<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\GiftMessage\Block\Adminhtml\Sales\Order\View;

/**
 * Gift message adminhtml sales order view items
 *
 * @api
 * @author     Magento Core Team <core@magentocommerce.com>
 * @since 100.0.2
 */
class Items extends \Magento\Backend\Block\Template
{
    /**
     * Gift message array
     *
     * @var array
     */
    protected $_giftMessage = [];

    /**
     * @var \Magento\GiftMessage\Helper\Message
     */
    protected $_messageHelper;

    /**
     * @param \Magento\Backend\Block\Template\Context $context
     * @param \Magento\GiftMessage\Helper\Message $messageHelper
     * @param array $data
     */
    public function __construct(
        \Magento\Backend\Block\Template\Context $context,
        \Magento\GiftMessage\Helper\Message $messageHelper,
        array $data = []
    ) {
        $this->_messageHelper = $messageHelper;
        parent::__construct($context, $data);
    }

    /**
     * Get Order Item
     *
     * @return \Magento\Sales\Model\Order\Item
     * @codeCoverageIgnore
     */
    public function getItem()
    {
        return $this->getParentBlock()->getItem();
    }

    /**
     * Retrieve default value for giftmessage sender
     *
     * @return string
     */
    public function getDefaultSender()
    {
        if (!$this->getItem()) {
            return '';
        }

        if ($this->getItem()->getOrder()) {
            return $this->getItem()->getOrder()->getBillingAddress()->getName();
        }

        return $this->getItem()->getBillingAddress()->getName();
    }

    /**
     * Retrieve default value for giftmessage recipient
     *
     * @return string
     */
    public function getDefaultRecipient()
    {
        if (!$this->getItem()) {
            return '';
        }

        if ($this->getItem()->getOrder()) {
            if ($this->getItem()->getOrder()->getShippingAddress()) {
                return $this->getItem()->getOrder()->getShippingAddress()->getName();
            } elseif ($this->getItem()->getOrder()->getBillingAddress()) {
                return $this->getItem()->getOrder()->getBillingAddress()->getName();
            }
        }

        if ($this->getItem()->getShippingAddress()) {
            return $this->getItem()->getShippingAddress()->getName();
        } elseif ($this->getItem()->getBillingAddress()) {
            return $this->getItem()->getBillingAddress()->getName();
        }

        return '';
    }

    /**
     * Retrieve real name for field
     *
     * @param string $name
     * @return string
     * @codeCoverageIgnore
     */
    public function getFieldName($name)
    {
        return 'giftmessage[' . $this->getItem()->getId() . '][' . $name . ']';
    }

    /**
     * Retrieve real html id for field
     *
     * @param string $id
     * @return string
     * @codeCoverageIgnore
     */
    public function getFieldId($id)
    {
        return $this->getFieldIdPrefix() . $id;
    }

    /**
     * Retrieve field html id prefix
     *
     * @return string
     * @codeCoverageIgnore
     */
    public function getFieldIdPrefix()
    {
        return 'giftmessage_' . $this->getItem()->getId() . '_';
    }

    /**
     * Initialize gift message for entity
     *
     * @return $this
     */
    protected function _initMessage()
    {
        $this->_giftMessage[$this->getItem()->getGiftMessageId()] = $this->_messageHelper->getGiftMessage(
            $this->getItem()->getGiftMessageId()
        );

        // init default values for giftmessage form
        if (!$this->getMessage()->getSender()) {
            $this->getMessage()->setSender($this->getDefaultSender());
        }
        if (!$this->getMessage()->getRecipient()) {
            $this->getMessage()->setRecipient($this->getDefaultRecipient());
        }

        return $this;
    }

    /**
     * Retrieve gift message for entity
     *
     * @return \Magento\GiftMessage\Model\Message
     */
    public function getMessage()
    {
        if (!isset($this->_giftMessage[$this->getItem()->getGiftMessageId()])) {
            $this->_initMessage();
        }

        return $this->_giftMessage[$this->getItem()->getGiftMessageId()];
    }

    /**
     * Retrieve save url
     *
     * @return string
     * @codeCoverageIgnore
     */
    public function getSaveUrl()
    {
        return $this->getUrl(
            'sales/order_view_giftmessage/save',
            ['entity' => $this->getItem()->getId(), 'type' => 'order_item', 'reload' => true]
        );
    }

    /**
     * Retrieve block html id
     *
     * @return string
     * @codeCoverageIgnore
     */
    public function getHtmlId()
    {
        return substr($this->getFieldIdPrefix(), 0, -1);
    }

    /**
     * Indicates that block can display giftmessages form
     *
     * @return boolean
     */
    public function canDisplayGiftmessage()
    {
        return $this->getItem()->getGiftMessageId();
    }

    /**
     * Retrieve gift message sender
     *
     * @return string
     */
    public function getSender()
    {
        return $this->escapeHtml($this->getMessage()->getSender());
    }

    /**
     * Retrieve gift message recipient
     *
     * @return string
     */
    public function getRecipient()
    {
        return $this->escapeHtml($this->getMessage()->getRecipient());
    }

    /**
     * Retrieve gift message text
     *
     * @return string
     */
    public function getMessageText()
    {
        return $this->escapeHtml($this->getMessage()->getMessage());
    }
}
