<?php
declare(strict_types=1);

namespace Esun\Wiki\Controller\Adminhtml\Homepage;

use Esun\Wiki\Model\HomepageFactory;
use Esun\Wiki\Model\ResourceModel\Homepage as HomepageResource;
use Esun\Wiki\Model\ResourceModel\Homepage\CollectionFactory;
use Magento\Backend\App\Action;
use Magento\Framework\App\Cache\TypeListInterface;
use Magento\Framework\App\ResourceConnection;
use Magento\Framework\Exception\LocalizedException;

class Save extends Action
{
    public const ADMIN_RESOURCE = 'Esun_Wiki::homepage';

    public function __construct(
        Action\Context $context,
        private readonly HomepageFactory $homepageFactory,
        private readonly HomepageResource $homepageResource,
        private readonly CollectionFactory $collectionFactory,
        private readonly ResourceConnection $resourceConnection,
        private readonly TypeListInterface $cacheTypeList
    ) {
        parent::__construct($context);
    }

    public function execute()
    {
        $redirect = $this->resultRedirectFactory->create();

        try {
            $this->assertSchema();

            $title = trim((string) $this->getRequest()->getParam('title'));
            if ($title === '') {
                throw new LocalizedException(__('Title is required.'));
            }

            $homepage = $this->collectionFactory->create()
                ->setPageSize(1)
                ->getFirstItem();
            if (!$homepage->getId()) {
                $homepage = $this->homepageFactory->create();
            }

            $homepage->addData([
                'title' => $title,
                'content' => (string) $this->getRequest()->getParam('content'),
                'meta_title' => trim((string) $this->getRequest()->getParam('meta_title')),
                'meta_description' => trim((string) $this->getRequest()->getParam('meta_description')),
                'meta_keywords' => trim((string) $this->getRequest()->getParam('meta_keywords')),
            ]);
            $this->homepageResource->save($homepage);

            $this->cacheTypeList->cleanType('block_html');
            $this->cacheTypeList->cleanType('full_page');
            $this->messageManager->addSuccessMessage(__('The wiki homepage has been saved.'));
        } catch (\Throwable $exception) {
            $this->messageManager->addErrorMessage($exception->getMessage());
        }

        return $redirect->setPath('esun_wiki/homepage/edit');
    }

    private function assertSchema(): void
    {
        $connection = $this->resourceConnection->getConnection();
        $table = $this->resourceConnection->getTableName('esun_wiki_homepage');

        if (!$connection->isTableExists($table)) {
            throw new LocalizedException(__(
                'The Wiki homepage is not installed. Run "bin/magento setup:upgrade" and try again.'
            ));
        }

        $columns = $connection->describeTable($table);
        if (!isset(
            $columns['title'],
            $columns['content'],
            $columns['meta_title'],
            $columns['meta_description'],
            $columns['meta_keywords']
        )) {
            throw new LocalizedException(__(
                'The Wiki homepage schema is incomplete. Run "bin/magento setup:upgrade" and try again.'
            ));
        }
    }
}