import * as fs from 'fs';
import * as path from 'path';

import { I18nService as BaseI18nService } from 'jslib-common/services/i18n.service';

export class I18nService extends BaseI18nService {
    constructor(systemLanguage: string, localesDirectory: string) {
        super(systemLanguage, localesDirectory, (formattedLocale: string) => {
            const filePath = path.join(__dirname, this.localesDirectory + '/' + formattedLocale + '/messages.json');
            const localesJson = fs.readFileSync(filePath, 'utf8');
            const locales = JSON.parse(localesJson.replace(/^\uFEFF/, '')); // strip the BOM
            return Promise.resolve(locales);
        });

        this.supportedTranslationLocales = [
            'en',
        ];
    }
}