import { useState } from "react";
import { useRef } from "react";

const useFormulaKey = () => {
  const previousKeys = useRef([]);

  const getKeyFromName = name => {
    if (name && typeof name === "string") {
      name = name.replace(/\s{2,}/g, " ");
      let nameKey = name
        .split(" ")
        .map(n => n[0].toUpperCase())
        .join("");
      if (previousKeys.current.indexOf(nameKey) > -1) {
        let previousSimilarKeys = previousKeys.current.filter(c =>
          c.match(RegExp(nameKey + "[0-9]*"))
        ).length;
        nameKey = nameKey + previousSimilarKeys;
      }
      previousKeys.current.push(nameKey);
      return `$F${nameKey}`;
    }
  };
  return [getKeyFromName];
};

export default useFormulaKey;