<?php
declare(strict_types=1);

namespace Lts\HomePage\Setup\Patch\Data;

use Magento\Cms\Model\PageFactory;
use Magento\Framework\Setup\Patch\DataPatchInterface;

class AddResourcesBlockToHomePage implements DataPatchInterface
{
    private const PAGE_IDENTIFIER = 'athlete2-home-greece';
    private const CATEGORY_BLOCK = '{{block class="Magento\\Cms\\Block\\Block" block_id="lts-home-shop-by-category"}}';
    private const RESOURCES_BLOCK = '{{block class="Magento\\Cms\\Block\\Block" block_id="lts-home-resources"}}';

    public function __construct(
        private readonly PageFactory $pageFactory
    ) {
    }

    public function apply(): self
    {
        $page = $this->pageFactory->create()->getCollection()
            ->addFieldToFilter('identifier', self::PAGE_IDENTIFIER)
            ->addStoreFilter(0, false)
            ->setPageSize(1)
            ->getFirstItem();

        if (!$page->getId()) {
            return $this;
        }

        $content = (string) $page->getContent();

        if (str_contains($content, self::RESOURCES_BLOCK)) {
            return $this;
        }

        if (str_contains($content, self::CATEGORY_BLOCK)) {
            $content = str_replace(
                self::CATEGORY_BLOCK,
                self::CATEGORY_BLOCK . PHP_EOL . '    ' . self::RESOURCES_BLOCK,
                $content
            );
        } else {
            $feedbackPosition = strpos($content, '<a class="lts-feedback"');

            if ($feedbackPosition === false) {
                $content .= PHP_EOL . self::RESOURCES_BLOCK;
            } else {
                $content = substr($content, 0, $feedbackPosition)
                    . self::RESOURCES_BLOCK
                    . PHP_EOL
                    . '    '
                    . substr($content, $feedbackPosition);
            }
        }

        $page->setContent($content)->save();

        return $this;
    }

    public static function getDependencies(): array
    {
        return [CreateShopByCategoryBlock::class];
    }

    public function getAliases(): array
    {
        return [];
    }
}