/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
/// <reference path="../references"/>
module Sdc.Services {

  'use strict';

  interface ICookieService {
      getUserId(): string;
      getFirstName(): string;
      getLastName(): string;
      getEmail(): string;
      getUserIdSuffix(): string;
  }

  export class CookieService implements ICookieService {

      static '$inject' = ['sdcConfig', '$document'];
      private cookie: Sdc.Models.ICookie;
      private cookiePrefix: string;


      constructor(sdcConfig: Models.IAppConfigurtaion, private $document) {
        this.cookie = sdcConfig.cookie;

        this.cookiePrefix = '';
        let junctionName: string = this.getCookieByName(this.cookie.junctionName);
        if ((junctionName !== null) && (junctionName !== '')){
          this.cookiePrefix = this.cookie.prefix+junctionName+'!';
        }
      }

      private getCookieByName = (cookieName: string): string => {
        cookieName += '=';
        let cookies: Array<string> = this.$document[0].cookie.split(';');
        let cookieVal: string = '';
        cookies.forEach((cookie: string) => {
          while(cookie.charAt(0) === ' '){
            cookie = cookie.substring(1);
          }
          if(cookie.indexOf(cookieName) === 0){
            cookieVal = cookie.substring(cookieName.length, cookie.length);
            return;
          }
        });
        return cookieVal;
      };

      public getUserIdSuffix = (): string => {
        return this.cookie.userIdSuffix;
      };

      public getUserId = (): string => {
        let userIdCookieName: string = this.cookiePrefix+this.cookie.userIdSuffix;
        let userId: string = this.getCookieByName(userIdCookieName);
        return userId;
      };

      public getFirstName = (): string => {
        let firstNameCookieName: string = this.cookiePrefix+this.cookie.userFirstName;
        let firstName: string = this.getCookieByName(firstNameCookieName);
        return firstName;
      };

      public getLastName = (): string => {
        let lastNameCookieName: string = this.cookiePrefix+this.cookie.userLastName;
        let lastName: string = this.getCookieByName(lastNameCookieName);
        return lastName;
      };

      public getEmail = (): string => {
        let emailCookieName: string = this.cookiePrefix+this.cookie.userEmail;
        let email: string = this.getCookieByName(emailCookieName);
        return email;
      };

  }
}