///
/// Copyright © 2016-2019 The Thingsboard Authors
///
/// 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 { BaseData, HasId } from '@shared/models/base-data';
import { PageComponent } from '@shared/components/page.component';
import {
  AfterViewInit,
  ContentChildren,
  EventEmitter,
  Input,
  OnInit,
  Output,
  QueryList,
  ViewChildren
} from '@angular/core';
import { Store } from '@ngrx/store';
import { AppState } from '@core/core.state';
import { EntityTableConfig } from '@home/models/entity/entities-table-config.models';
import { MatTab } from '@angular/material';
import { EntityAction } from '@home/models/entity/entity-component.models';
import { BehaviorSubject } from 'rxjs';

export abstract class EntityTabsComponent<T extends BaseData<HasId>> extends PageComponent implements OnInit, AfterViewInit {

  entityValue: T;

  @ViewChildren(MatTab) entityTabs: QueryList<MatTab>;

  isEditValue: boolean;

  @Input()
  set isEdit(isEdit: boolean) {
    this.isEditValue = isEdit;
  }

  get isEdit() {
    return this.isEditValue;
  }

  @Input()
  set entity(entity: T) {
    this.entityValue = entity;
  }

  get entity(): T {
    return this.entityValue;
  }

  @Input()
  entitiesTableConfig: EntityTableConfig<T>;

  private entityTabsSubject = new BehaviorSubject<Array<MatTab>>(null);

  entityTabsChanged = this.entityTabsSubject.asObservable();

  protected constructor(protected store: Store<AppState>) {
    super(store);
  }

  ngOnInit() {
  }

  ngAfterViewInit(): void {
    this.entityTabsSubject.next(this.entityTabs.toArray());
    this.entityTabs.changes.subscribe(
      () => {
        this.entityTabsSubject.next(this.entityTabs.toArray());
      }
    );
  }

}