<?php
/**
 * Shopkeeper FreeShippingMessage Block
 */
namespace Shopkeeper\FreeShippingMessage\Block\Product\View;

use Magento\Framework\View\Element\Template;
use Magento\Framework\View\Element\Template\Context;
use Magento\Cms\Model\BlockFactory;
use Magento\Cms\Model\Template\FilterProvider;

class Message extends Template
{
    /**
     * @var BlockFactory
     */
    protected $blockFactory;

    /**
     * @var FilterProvider
     */
    protected $filterProvider;

    /**
     * @param Context $context
     * @param BlockFactory $blockFactory
     * @param FilterProvider $filterProvider
     * @param array $data
     */
    public function __construct(
        Context $context,
        BlockFactory $blockFactory,
        FilterProvider $filterProvider,
        array $data = []
    ) {
        $this->blockFactory = $blockFactory;
        $this->filterProvider = $filterProvider;
        parent::__construct($context, $data);
    }

    /**
     * Get CMS block HTML content
     *
     * @return string
     */
    public function getCmsBlockHtml()
    {
        $blockId = $this->getData('cms_block_id');

        if (!$blockId) {
            return '';
        }

        $block = $this->blockFactory->create();
        $block->load($blockId, 'identifier');

        if (!$block->getId() || !$block->isActive()) {
            return '';
        }

        $html = $this->filterProvider->getBlockFilter()
            ->setStoreId($this->_storeManager->getStore()->getId())
            ->filter($block->getContent());

        return $html;
    }

    /**
     * Check if CMS block exists and is active
     *
     * @return bool
     */
    public function hasCmsBlock()
    {
        $blockId = $this->getData('cms_block_id');

        if (!$blockId) {
            return false;
        }

        $block = $this->blockFactory->create();
        $block->load($blockId, 'identifier');

        return $block->getId() && $block->isActive();
    }
}