import crypto from "crypto";

function createHash(data: string, len: any) {
  return crypto
    .createHash("shake256", { outputLength: len })
    .update(data)
    .digest("hex");
}

export const simpleHash = (str: string, seed = 0) => {
  if (typeof str === "string") {
    let h1 = 0xdeadbeef ^ seed,
      h2 = 0x41c6ce57 ^ seed;
    for (let i = 0, ch; i < str.length; i++) {
      ch = str.charCodeAt(i);
      h1 = Math.imul(h1 ^ ch, 2654435761);
      h2 = Math.imul(h2 ^ ch, 1597334677);
    }
    h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507);
    h1 ^= Math.imul(h2 ^ (h2 >>> 13), 3266489909);
    h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507);
    h2 ^= Math.imul(h1 ^ (h1 >>> 13), 3266489909);

    return (4294967296 * (2097151 & h2) + (h1 >>> 0)).toString();
  }
  const hashed = createHash(str, 2);
  return hashed;
};