/*
 * Copyright 2020 Spotify AB
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

export function stringToColor(str: string) {
  let hash = 0;
  for (let i = 0; i < str.length; i++) {
    hash = str.charCodeAt(i) + ((hash << 5) - hash);
  }
  let color = '#';
  for (let i = 0; i < 3; i++) {
    const value = (hash >> (i * 8)) & 0xff;
    color += `00${value.toString(16)}`.substr(-2);
  }
  return color;
}

export function extractInitials(value: string) {
  return value.match(/\b\w/g)!.join('').substring(0, 2);
}
