import { ChangeDetectionStrategy, Input, Component } from '@angular/core';
import { PopoverConfig } from './popover.config';
import { isBs3 } from '../utils/ng2-bootstrap-config';

@Component({
  selector: 'popover-container',
  changeDetection: ChangeDetectionStrategy.OnPush,
  // tslint:disable-next-line
  host: {
    '[class]': '"popover in popover-" + placement + " " + "bs-popover-" + placement + " " + placement + " " + containerClass',
    '[class.show]': '!isBs3',
    role: 'tooltip',
    style: 'display:block;'
  },
  styles: [`
    :host.bs-popover-top .arrow, :host.bs-popover-bottom .arrow {
      left: calc(50% - 5px);
    }
    :host.bs-popover-left .arrow, :host.bs-popover-right .arrow {
      top: calc(50% - 2.5px);
    }
  `],
  template: `
<div class="popover-arrow arrow"></div>
<h3 class="popover-title popover-header" *ngIf="title">{{title}}</h3><div class="popover-content popover-body"><ng-content></ng-content></div>
    `
})
export class PopoverContainerComponent {
  @Input() public placement: string;
  @Input() public title: string;
  public containerClass: string;

  public get isBs3(): boolean {
    return isBs3();
  }

  public constructor(config: PopoverConfig) {
    Object.assign(this, config);
  }
}