<?php

declare(strict_types=1);

namespace Esun\MultiLocaleTranslation\Model;

use Magento\Framework\App\Config\ScopeConfigInterface;

class ProviderConfig
{
    private const XML_PATH_DEFAULT_PROVIDER = 'esun_multilocale_translation/general/default_provider';

    private const PROVIDERS = [
        'deepl' => ['label' => 'DeepL', 'enabled_path' => 'esun_multilocale_translation/deepl/enabled'],
        'google' => [
            'label' => 'Google Cloud Translation V3',
            'enabled_path' => 'esun_multilocale_translation/google/enabled',
        ],
    ];

    public function __construct(private readonly ScopeConfigInterface $scopeConfig)
    {
    }

    /**
     * @return array<int, array{code:string,label:string}>
     */
    public function getEnabledOptions(): array
    {
        $result = [];
        foreach (self::PROVIDERS as $code => $provider) {
            if (!$this->scopeConfig->isSetFlag($provider['enabled_path'])) {
                continue;
            }
            $result[] = ['code' => $code, 'label' => $provider['label']];
        }

        return $result;
    }

    public function getDefaultProvider(): string
    {
        $configured = (string)$this->scopeConfig->getValue(self::XML_PATH_DEFAULT_PROVIDER);
        foreach ($this->getEnabledOptions() as $provider) {
            if ($provider['code'] === $configured) {
                return $configured;
            }
        }

        return (string)($this->getEnabledOptions()[0]['code'] ?? '');
    }
}