<?php

declare(strict_types=1);

namespace Esun\MultiLocaleTranslation\Controller\Adminhtml\Translation;

use Esun\MultiLocaleTranslation\Model\EntityPool;
use Magento\Backend\App\Action;
use Magento\Backend\App\Action\Context;
use Magento\Framework\Controller\Result\Json;
use Magento\Framework\Controller\Result\JsonFactory;

class Fields extends Action
{
    public const ADMIN_RESOURCE = 'Esun_MultiLocaleTranslation::translation';

    public function __construct(
        Context $context,
        private readonly JsonFactory $jsonFactory,
        private readonly EntityPool $entityPool
    ) {
        parent::__construct($context);
    }

    public function execute(): Json
    {
        $result = $this->jsonFactory->create();

        try {
            $entityType = (string)$this->getRequest()->getParam('entity_type', '');
            $entityId = (int)$this->getRequest()->getParam('entity_id');
            $targetStoreId = (int)$this->getRequest()->getParam('target_store_id');
            $sourceStoreId = (int)$this->getRequest()->getParam('source_store_id');

            if ($entityType === '' || $entityId <= 0 || $targetStoreId <= 0) {
                throw new \InvalidArgumentException(__('Invalid request.'));
            }
            $this->assertBlogPermission($entityType);

            $entity = $this->entityPool->get($entityType);
            $fields = $entity->getFields($entityId, $sourceStoreId, $targetStoreId);

            return $result->setData([
                'success' => true,
                'fields' => $fields
            ]);
        } catch (\Throwable $exception) {
            return $result->setData([
                'success' => false,
                'message' => $exception->getMessage(),
            ]);
        }
    }

    private function assertBlogPermission(string $entityType): void
    {
        if ($entityType === 'blog_post'
            && !$this->_authorization->isAllowed('Esun_MultiLocaleTranslation::translate_blog')
        ) {
            throw new \InvalidArgumentException((string)__('You are not allowed to translate blog posts.'));
        }
        if (in_array($entityType, ['wiki_category', 'wiki_homepage'], true)
            && !$this->_authorization->isAllowed('Esun_MultiLocaleTranslation::translate_wiki')
        ) {
            throw new \InvalidArgumentException((string)__('You are not allowed to translate Wiki content.'));
        }
    }
}