/*
 * Copyright (c) 2022. Deutsche Telekom AG
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */


import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { HttpClient, HttpClientModule } from '@angular/common/http';
import { TranslateLoader, TranslateModule, TranslateService } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';

@NgModule({
  declarations: [],
  imports: [
    CommonModule,
    HttpClientModule,
    TranslateModule.forRoot({
      loader: {
        provide: TranslateLoader,
        useFactory: translateLoaderFactory,
        deps: [HttpClient],
      },
    }),
  ],
  exports: [TranslateModule],
})
export class I18nModule {
  constructor(translate: TranslateService) {
    translate.addLangs(['en', 'de']);
    const browserLang = translate.getBrowserLang() ?? 'en';
    translate.use(browserLang.match(/en|de/) ? browserLang : 'en');
  }
}

export function translateLoaderFactory(httpClient: HttpClient) {
  return new TranslateHttpLoader(httpClient, 'assets/i18n/', `.json?t=${new Date().getTime()}`);
}