import { Component, input } from '@angular/core';
import { HeadingComponent } from '@shared/ui/heading/heading.component';
import { LinkComponent } from '@shared/ui/link/link.component';

/** Template: standard page body — optional back-link, a heading, optional intro,
    and projected content. Rendered inside the persistent ShellComponent via the
    router outlet, so it owns only the content (not the header/footer chrome). */
@Component({
  selector: 'app-page-shell',
  imports: [HeadingComponent, LinkComponent],
  styles: [':host{display:block}'],
  template: `
    <div [style.max-width]="width() === 'narrow' ? '32rem' : null">
      @if (backLink()) {
        <p><app-link [to]="backLink()!">← {{ backLabel() }}</app-link></p>
      }
      <app-heading [level]="1">{{ heading() }}</app-heading>
      @if (intro()) {
        <p class="rhc-paragraph" style="margin-bottom:1.5rem">{{ intro() }}</p>
      }
      <ng-content />
    </div>
  `,
})
export class PageShellComponent {
  heading = input.required<string>();
  intro = input<string>();
  backLink = input<string>();
  backLabel = input('Terug naar overzicht');
  width = input<'default' | 'narrow'>('default');
}