'use strict';

/* eslint-disable */
// murmurhash2 via https://github.com/garycourt/murmurhash-js/blob/master/murmurhash2_gc.js
function murmurhash2_32_gc(str) {
  var l = str.length,
      h = l ^ l,
      i = 0,
      k;

  while (l >= 4) {
    k = str.charCodeAt(i) & 0xff | (str.charCodeAt(++i) & 0xff) << 8 | (str.charCodeAt(++i) & 0xff) << 16 | (str.charCodeAt(++i) & 0xff) << 24;
    k = (k & 0xffff) * 0x5bd1e995 + (((k >>> 16) * 0x5bd1e995 & 0xffff) << 16);
    k ^= k >>> 24;
    k = (k & 0xffff) * 0x5bd1e995 + (((k >>> 16) * 0x5bd1e995 & 0xffff) << 16);
    h = (h & 0xffff) * 0x5bd1e995 + (((h >>> 16) * 0x5bd1e995 & 0xffff) << 16) ^ k;
    l -= 4;
    ++i;
  }

  switch (l) {
    case 3:
      h ^= (str.charCodeAt(i + 2) & 0xff) << 16;

    case 2:
      h ^= (str.charCodeAt(i + 1) & 0xff) << 8;

    case 1:
      h ^= str.charCodeAt(i) & 0xff;
      h = (h & 0xffff) * 0x5bd1e995 + (((h >>> 16) * 0x5bd1e995 & 0xffff) << 16);
  }

  h ^= h >>> 13;
  h = (h & 0xffff) * 0x5bd1e995 + (((h >>> 16) * 0x5bd1e995 & 0xffff) << 16);
  h ^= h >>> 15;
  return (h >>> 0).toString(36);
}

module.exports = murmurhash2_32_gc;