export function toSentenceCase(str) {
  const splitStr = str.toLowerCase().split('');

  splitStr[0] = splitStr[0].charAt(0).toUpperCase() + splitStr[0].substring(1);
  return splitStr.join('');
}

export function splitCamelCase(camelCaseString: string) {
  return camelCaseString.split(/([A-Z][a-z]+)/).filter(function (e: any) {
    return e;
  });
}

export function generateRadomEmail(): string {
  const chars = 'abcdefghijklmnopqrstuvwxyz1234567890';
  let string = '';
  for (let i = 0; i < 15; i++) {
    string += chars[Math.floor(Math.random() * chars.length)];
  }
  return string + '@contour.network';
}

export function getUserNameFromEmail(email: string): string {
  return email.replace(/@.*$/, '');
}