export function getColorFromPubkey(pubkey: string): string {
  let hash = 0;
  for (let i = 0; i < pubkey.length; i++) hash = ((hash << 5) - hash + pubkey.charCodeAt(i)) & 0xffffffff;
  hash = Math.abs(hash);

  const hue = hash % 360;

  const saturation = hue >= 216 && hue <= 273 ? 0.8 : 0.9;
  const lightness = hue >= 32 && hue <= 212 ? 0.85 : 0.65;

  const chroma = (1 - Math.abs(2 * lightness - 1)) * saturation;
  const huePrime = hue / 60;
  const secondComponent = chroma * (1 - Math.abs((huePrime % 2) - 1));
  const lightnessAdjustment = lightness - chroma / 2;

  let [r, g, b] = [0, 0, 0];

  const sector = Math.floor(huePrime);
  switch (sector) {
    case 0:
      [r, g, b] = [chroma, secondComponent, 0];
      break;
    case 1:
      [r, g, b] = [secondComponent, chroma, 0];
      break;
    case 2:
      [r, g, b] = [0, chroma, secondComponent];
      break;
    case 3:
      [r, g, b] = [0, secondComponent, chroma];
      break;
    case 4:
      [r, g, b] = [secondComponent, 0, chroma];
      break;
    default:
      [r, g, b] = [chroma, 0, secondComponent];
      break;
  }

  const toHex = (value: number): string =>
    Math.round((value + lightnessAdjustment) * 255)
      .toString(16)
      .padStart(2, "0");

  return `${toHex(r)}${toHex(g)}${toHex(b)}`;
}