import { computed, inject, type Signal } from "@angular/core";
import { toSignal } from "@angular/core/rxjs-interop";
import { NavigationEnd, Router } from "@angular/router";
import { filter, map } from "rxjs";

export function injectFullPageCodeSignal(): Signal<string> {
  const router = inject(Router);

  const url = toSignal(
    router.events.pipe(
      filter((event) => event instanceof NavigationEnd),
      map((event) => event.url),
    ),
    { initialValue: router.url },
  );

  return computed(() =>
    url()
      .split("/")
      .slice(2)
      .map((item) => item.split(/[;?]/)[0])
      .join("."),
  );
}