import { ChangeDetectionStrategy, Component, EventEmitter, Input, Output } from '@angular/core';
import { DecimalPipe } from '@angular/common';
import { RouterLink } from '@angular/router';
import { Product } from '../../core/products/models/product-domain.model';
import { LangRoutePipe } from '../../pipes/lang-route.pipe';
import { getBadgeClass, getDiscountedPrice, getMainImage } from '../../utils/item.utils';

export type ProductCardAppearance = 'standard' | 'compact';

@Component({
  selector: 'app-product-card',
  standalone: true,
  imports: [DecimalPipe, RouterLink, LangRoutePipe],
  templateUrl: './product-card.component.html',
  styleUrls: ['./product-card.component.scss'],
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class ProductCardComponent {
  @Input({ required: true }) item!: Product;
  @Input() title = '';
  @Input() description = '';
  @Input() addToCartLabel = 'Add to cart';
  @Input() appearance: ProductCardAppearance = 'standard';
  @Input() showDescription = false;
  @Input() showStock = true;
  @Input() showRating = true;

  @Output() addToCart = new EventEmitter<{ itemID: number; event: Event }>();
  @Output() preview = new EventEmitter<number>();
  @Output() selected = new EventEmitter<{ itemID: number; event: Event }>();

  readonly getMainImage = getMainImage;
  readonly getDiscountedPrice = getDiscountedPrice;
  readonly getBadgeClass = getBadgeClass;

  onAddToCart(event: Event): void {
    this.addToCart.emit({ itemID: this.item.itemID, event });
  }

  onSelected(event: Event): void {
    this.selected.emit({ itemID: this.item.itemID, event });
  }
}