<?php

declare(strict_types=1);

namespace Esun\MultiLocaleTranslation\Controller\Adminhtml\Queue;

use Esun\MultiLocaleTranslation\Model\Queue\QueueManager;
use Esun\MultiLocaleTranslation\Model\Queue\SelectionRegistry;
use Magento\Backend\App\Action;
use Magento\Framework\Controller\Result\Redirect;

class Add extends Action
{
    public const ADMIN_RESOURCE = 'Esun_MultiLocaleTranslation::queue_add';

    public function __construct(
        Action\Context $context,
        private readonly QueueManager $queueManager,
        private readonly SelectionRegistry $selectionRegistry
    ) {
        parent::__construct($context);
    }

    public function execute(): Redirect
    {
        $token = (string)$this->getRequest()->getParam('token');
        try {
            $selection = $this->selectionRegistry->get($token);
            $entityType = $selection['entity_type'] ?? (string)$this->getRequest()->getParam('entity_type');
            $this->assertBlogPermission((string)$entityType);
            $entityIds = $selection['entity_ids'] ?? $this->parseIds(
                (string)$this->getRequest()->getParam('entity_ids')
            );
            $result = $this->queueManager->enqueue(
                $entityType,
                $entityIds,
                (int)$this->getRequest()->getParam('source_store_id'),
                (array)$this->getRequest()->getParam('target_store_ids', []),
                (string)$this->getRequest()->getParam('provider')
            );
            $this->selectionRegistry->clear($token);
            $this->messageManager->addSuccessMessage(
                __('%1 task(s) added to the translation queue. %2 duplicate active task(s) skipped.',
                    $result['created'],
                    $result['skipped'])
            );
            return $this->resultRedirectFactory->create()->setPath('*/*/index', [
                'batch_id' => $result['batch_id'],
            ]);
        } catch (\Throwable $exception) {
            $this->messageManager->addErrorMessage($exception->getMessage());
            return $this->resultRedirectFactory->create()->setPath('*/*/new', ['token' => $token]);
        }
    }

    /** @return int[] */
    private function parseIds(string $value): array
    {
        $parts = preg_split('/[^0-9]+/', $value, -1, PREG_SPLIT_NO_EMPTY);
        return array_values(array_unique(array_map('intval', $parts ?: [])));
    }

    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.'));
        }
    }
}