import { useMemo } from "react";

export default function useBuildUrl(base_url, start, end) {
  return useMemo(() =>{
    if (start && end)
      return `${base_url}?start_date=${start}&end_date=${end}`;
    else {
      let today = new Date();
      let sevenDaysAgo = new Date(today);
      sevenDaysAgo.setDate(sevenDaysAgo.getDate() - 7);
      sevenDaysAgo = sevenDaysAgo.toLocaleDateString('en-CA');
      today = today.toLocaleDateString('en-CA');
      return `${base_url}?start_date=${sevenDaysAgo}&end_date=${today}`;
    }
  }, [base_url, start, end]);
}