import { Pipe, PipeTransform } from '@angular/core';

// enums
import { eStringPlaceholder } from '../../../enums';

@Pipe({
    name: 'caHighlightSingleString',
    standalone: true,
})
export class CaHighlightSingleStringPipe implements PipeTransform {
    transform(value: string, searchValue: string): string {
        if (!value || !searchValue?.trim()) return value;

        const escapedSearch = searchValue
            .trim()
            .replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
        const regex = new RegExp(
            escapedSearch,
            eStringPlaceholder.GI_LOWERCASE
        );

        return value.replace(regex, (match) => {
            return `<span style="color: #3551b7; background: #3b73ed33">${match}</span>`;
        });
    }
}