/********************************************************************************
 * Copyright (c) 2015-2018 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 ********************************************************************************/
import { Component, OnInit } from '@angular/core';
import { ActivatedRoute } from '@angular/router';

import { TranslateService } from '@ngx-translate/core';

import { Node} from '@navigator/node';
import { NavigatorService } from '@navigator/navigator.service';
import { LocalizationService } from '@localization/localization.service';
import { MDMNotificationService } from '@core/mdm-notification.service';
import { TRANSLATE } from '@core/mdm-core.module';

import { ContextService } from '../../services/context.service';
import { Sensor, Context } from '../../model/details.model';

@Component({
  selector: 'sensors',
  templateUrl: 'sensor.component.html',
})
export class SensorComponent implements OnInit {

  readonly StatusLoading = TRANSLATE('details.sensor.status-loading');
  readonly StatusNoNodes = TRANSLATE('details.sensor.status-no-nodes-available');
  readonly StatusNoDescriptiveData = TRANSLATE('details.sensor.status-no-descriptive-data-available');

  selectedNode: Node;
  context: String;

  _diff = false;
  contexts: Context[];
  sensors: Sensor[];
  errorMessage: string;
  status: string;

  uut = 'Prüfling';
  ts = 'Testablauf';
  te = 'Messgerät';
  s = 'Sensoren';

  constructor(private route: ActivatedRoute,
    private localService: LocalizationService,
              private _contextService: ContextService,
              private navigatorService: NavigatorService,
              private notificationService: MDMNotificationService,
              private translateService: TranslateService) {}

  ngOnInit() {
    this.status = this.StatusLoading;
    this.route.params
        .subscribe(
          params => this.setContext(params['context']),
          error => this.notificationService.notifyError(this.translateService.instant('details.sensor.err-cannot-load-scope'), error)
    );

    this.navigatorService.selectedNodeChanged
        .subscribe(node => this.loadContext(node),
        error => this.notificationService.notifyError(this.translateService.instant('details.sensor.err-cannot-load-data'), error)
    );
  }

  setContext(context: string) {
    this.context = context;
    this.loadContext(this.navigatorService.getSelectedNode());
  }

  loadContext(node: Node) {
    if (node != undefined) {
      this.selectedNode = node;
      this.contexts = undefined;
      if (node.name != undefined && (node.type.toLowerCase() === 'measurement' || node.type.toLowerCase() === 'teststep')) {
        this.status = this.StatusLoading;
        this._contextService.getSensors(node).subscribe(
            sensors => this.sensors = <Sensor[]> sensors,
            error => this.notificationService.notifyError(
              this.translateService.instant('details.sensor.err-cannot-load-descriptive-data'), error)
          );
      } else {
        this.status = this.StatusNoDescriptiveData;
      }
    } else {
      this.status = this.StatusNoNodes;
    }
  }

  diffToggle() {
    this._diff = !this._diff;
  }

  diff(attr1: string, attr2: string) {
    if (attr1 !== attr2 && this._diff) {
      return 'danger';
    }
  }
}