import { Pipe, PipeTransform } from '@angular/core'; 
import { InputChangeValue } from '../../ca-input/utils';

@Pipe({
  name: 'filterSearch',
  standalone: true
})
export class FilterSearchPipe implements PipeTransform {

  transform<T>(items: T[], searchString: InputChangeValue, key: keyof T, sortKey?: keyof T, directionMultiplier: number = 1): T[] {
    if (!items) return [];
    
    let filteredItems = searchString
      ? items.filter(item =>
          String(item[key]).toLowerCase().includes(searchString.toString().toLowerCase())
        )
      : [...items];

    if (sortKey) {
      filteredItems.sort((a, b) => {
        if (a[sortKey] < b[sortKey]) return -1 * directionMultiplier;
        if (a[sortKey] > b[sortKey]) return 1 * directionMultiplier;
        return 0;
      });
    }

    return filteredItems;
  }

}