/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import { Injectable } from '@angular/core';

@Injectable()
export class ColorService {

   getColor(str) {
    let hash = 0;
    for (let i = 0; i < str.length; i++) {
        // tslint:disable-next-line:no-bitwise
      hash = str.charCodeAt(i) + ((hash << 5) - hash);
    }
    let colour = '#';
    for (let i = 0; i < 3; i++) {
        // tslint:disable-next-line:no-bitwise
      const value = (hash >> (i * 8)) & 0xFF;
      colour += ('00' + value.toString(16)).substr(-2);
    }
    return colour;
  }

}
