/*!
 * @license
 * Copyright 2017 Alfresco Software, Ltd.
 *
 * 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.
 */

import { Component, OnInit } from '@angular/core';
import { Router, ActivatedRoute, NavigationEnd } from '@angular/router';
import { TranslationService, PageTitleService } from 'ng2-alfresco-core';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.scss']
})
export class AppComponent implements OnInit {
    constructor(
        private route: ActivatedRoute,
        private router: Router,
        private pageTitle: PageTitleService,
        private translateService: TranslationService) {
    }

    ngOnInit() {
        const { router, pageTitle, route, translateService } = this;

        router
            .events
            .filter(event => event instanceof NavigationEnd)
            .subscribe(() => {
                let currentRoute = route.root;

                while (currentRoute.firstChild) {
                    currentRoute = currentRoute.firstChild;
                }

                const snapshot: any = currentRoute.snapshot || {};
                const data: any = snapshot.data || {};

                if (data.i18nTitle) {
                    translateService.get(data.i18nTitle).subscribe(title => {
                        pageTitle.setTitle(title);
                    });
                } else {
                    pageTitle.setTitle(data.title || '');
                }
            });
    }
}