<?php
declare(strict_types=1);

namespace Esun\Catalog\Model\MixStepPricing;

use Magento\Framework\Exception\LocalizedException;

class DeleteService
{
    public function __construct(
        private readonly SpreadsheetReader $reader,
        private readonly BatchValidator $validator,
        private readonly AttributeWriter $attributeWriter
    ) {
    }

    public function validate(string $path): array
    {
        return $this->validator->validateDelete($this->reader->readDelete($path));
    }

    /**
     * @throws LocalizedException
     */
    public function run(string $path): array
    {
        $result = $this->validate($path);
        if (!$result['valid']) {
            throw new LocalizedException(__('Validation failed. No prices were deleted.'));
        }
        if ($result['groups'] === []) {
            throw new LocalizedException(__('There are no existing configurable products to delete.'));
        }

        return $this->attributeWriter->write($result['groups'], true);
    }
}