/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { TemplatePortal } from "@angular/cdk/portal";
// import {TemplatePortal} from '@angular/cdk';
import {
  ViewContainerRef,
  Input,
  TemplateRef,
  ViewChild,
  OnInit,
  ContentChild,
  Component,
  inject,
} from "@angular/core";
import {
  CanDisable,
  mixinDisabled,
} from "../patterns/layout/components/core/common-behaviors/";
import { MdTabLabel } from "./tab-label";

// Boilerplate for applying mixins to MdTab.
/** @docs-private */
export class MdTabBase {}
export const _MdTabMixinBase = mixinDisabled(MdTabBase);

@Component({
  selector: "sam-tab-next",
  templateUrl: "tab.html",
  inputs: ["disabled"],
  standalone: false,
})
export class MdTab extends _MdTabMixinBase implements OnInit, CanDisable {
  private _viewContainerRef = inject(ViewContainerRef);

  /** Content for the tab label given by <ng-template md-tab-label>. */
  @ContentChild(MdTabLabel, { static: true }) templateLabel: MdTabLabel;

  /** Template inside the MdTab view that contains an <ng-content>. */
  @ViewChild(TemplateRef, { static: true }) _content: TemplateRef<unknown>;

  /** The plain text label for the tab, used when there is no template label. */
  @Input("label") textLabel: string = "";

  /** The portal that will be the hosted content of the tab */
  private _contentPortal: TemplatePortal | null = null;
  get content(): TemplatePortal | null {
    return this._contentPortal;
  }

  /**
   * The relatively indexed position where 0 represents the center, negative is left, and positive
   * represents the right.
   */
  position: number | null = null;

  /**
   * The initial relatively index origin of the tab if it was created and selected after there
   * was already a selected tab. Provides context of what position the tab should originate from.
   */
  origin: number | null = null;

  ngOnInit() {
    this._contentPortal = new TemplatePortal(
      this._content,
      this._viewContainerRef
    );
  }
}