'use strict';
import {IAppConfigurtaion, ICookie} from "../models/app-config";

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

export class CookieService implements ICookieService {

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


    constructor(sdcConfig: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;
    }
}