///
/// Copyright 2015-2026 Micro Focus or one of its affiliates.
///
/// 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 {
  Directive,
  EmbeddedViewRef,
  inject,
  Input,
  TemplateRef,
  ViewContainerRef,
} from '@angular/core';

@Directive({ selector: '[uxLayoutSwitcherItem]' })
export class LayoutSwitcherItemDirective {
  private readonly _templateRef = inject<TemplateRef<void>>(TemplateRef);

  private readonly _viewContainerRef = inject(ViewContainerRef);

  @Input('uxLayoutSwitcherItem') private readonly _config: LayoutSwitcherItem;

  private _embeddedView: EmbeddedViewRef<void>;

  getLayout(): TemplateRef<void> {
    return this._templateRef;
  }

  getConfig(): LayoutSwitcherItem {
    return this._config;
  }

  activate(): void {
    this._embeddedView = this._viewContainerRef.createEmbeddedView(this._templateRef);
  }

  deactivate(): void {
    const index = this._viewContainerRef.indexOf(this._embeddedView);
    this._viewContainerRef.remove(index);
    this._embeddedView = null;
  }
}

export interface LayoutSwitcherItem {
  group?: string;
  minWidth?: number;
  maxWidth?: number;
}