/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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, ElementRef, ViewChild } from '@angular/core';
import { RestApi } from '../../../services/rest-api.service';
import { LoginService } from '../../services/login.service';
import { Router } from '@angular/router';
import { AppConstants } from '../../../services/app.constants';

@Component({
  selector: 'setup',
  templateUrl: './setup.component.html',
  styleUrls: ['./setup.component.scss']
})
export class SetupComponent {

  @ViewChild('scroll') private scrollContainer: ElementRef;

  installationFinished: boolean;
  installationSuccessful: boolean;
  installationResults: any;
  loading: any;
  setup: any = {
    adminEmail: '',
    adminPassword: '',
    installPipelineElements: true
  };
  installationRunning: any;
  nextTaskTitle: any;

  constructor(private loginService: LoginService,
              private restApi: RestApi,
              private router: Router,
              public appConstants: AppConstants) {

    this.installationFinished = false;
    this.installationSuccessful = false;
    this.installationResults = [];
    this.loading = false;
  }

  configure(currentInstallationStep) {
    this.installationRunning = true;
    this.loading = true;

    this.loginService.setupInstall(this.setup, currentInstallationStep).subscribe(data => {
        this.installationResults = this.installationResults.concat(data.statusMessages);
        this.nextTaskTitle = data.nextTaskTitle;
        this.scrollContainer.nativeElement.scrollTop = this.scrollContainer.nativeElement.scrollHeight;
        const nextInstallationStep = currentInstallationStep + 1;
        if (nextInstallationStep > (data.installationStepCount - 1)) {
            // tslint:disable-next-line:ban-comma-operator
            this.restApi.configured()
                .subscribe(res => {
                    if (res.configured) {
                        this.installationFinished = true;
                        this.loading = false;
                    }
                    // tslint:disable-next-line:no-unused-expression
                }), (() => {
                this.loading = false;
                // this.showToast("Fatal error, contact administrator");
            });
        } else {
            this.configure(nextInstallationStep);
        }
    });
  }

  openLoginPage() {
    this.router.navigate(['login']);
  }
}
