/*
 * 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 { ComponentRef } from '@angular/core';
import { OverlayRef } from '@angular/cdk/overlay';
import { Observable, Subject } from 'rxjs';
import { BaseDialogComponentUnion } from './base-dialog.model';
import { OverlaySizeConfig } from '@angular/cdk/overlay/overlay-ref';
import { OverlayConfig } from '@angular/cdk/overlay/overlay-config';

export class DialogRef<T> {
  private _componentInstance: ComponentRef<T>;
  private _afterClosed: Subject<any> = new Subject<any>();

  constructor(private overlayRef: OverlayRef,
              private dialogContainerRef: ComponentRef<BaseDialogComponentUnion>) {
  }

  get componentInstance() {
    return this._componentInstance;
  }

  set componentInstance(c: ComponentRef<T>) {
    this._componentInstance = c;
  }

  public close(data?: any) {
    this.dialogContainerRef.instance.closeDialog();
    this._afterClosed.next(data);
    this._afterClosed.complete();
  }

  public afterClosed(): Observable<any> {
    return this._afterClosed.asObservable();
  }

  public changeDialogSize(sizeConfig: OverlaySizeConfig) {
    this.overlayRef.updateSize(sizeConfig);
  }

  public currentConfig(): OverlayConfig {
    return this.overlayRef.getConfig();
  }
}
