D-Net

import {StringUtils} from '../../utils/string-utils.class';

import {OpenaireProperties} from '../../utils/properties/openaireProperties';

export class User {

    email:string;

    firstname: string;

    lastname: string;

    id: string;

    fullname: string;

    expirationDate: number;

    role:string[];

    jwt:string;

}

export class Session{

  // public static setUser(user:User): User {

  //

  //     localStorage.setItem("user", JSON.stringify(user));

  //

  //     return user;

  // }

  public static removeUser() {

    if(Session.isLoggedIn()){

        localStorage.removeItem("user");

        COOKIE.deleteCookie(COOKIE.cookieName_id)

    }

  }

  public static getUser():User {

    if(Session.isLoggedIn()){

        return JSON.parse(localStorage.getItem("user"));

    }else{

      return null;

    }

  }

  public static isLoggedIn(): boolean {

      var loggedIn:boolean = false;

      var user:User = null;

      var cookie= COOKIE.getCookie(COOKIE.cookieName_u);

    if( typeof localStorage !== 'undefined') {

        if(localStorage.getItem("user")) {

          user = JSON.parse(localStorage.getItem("user"));

            if(user && (user.fullname != null || user.lastname !=null || user.firstname !=null)){

              loggedIn = true;

            }else if(cookie != null && this.getUserFromCookie()!= null){

               loggedIn = true

            }else{

              loggedIn = false;

            }

          }else{

            if(cookie != null && this.getUserFromCookie()!= null){

               loggedIn = true

            }else{

              loggedIn = false;

            }

          }

      }else{

        loggedIn = false;

      }

      return loggedIn;

  }

  public static getUserFromCookie():User{

    var cookie= COOKIE.getCookie(COOKIE.cookieName_u);

    if(cookie != null){

      var user:User = MyJWT.parseUserInfo(cookie);

       if( typeof localStorage !== 'undefined') {

         localStorage.setItem("user", JSON.stringify(user));

         if(user && user.email && Session.isRegisteredUser()){

           COOKIE.deleteCookie(COOKIE.cookieName_u); // delete cookie to avoid transfer through requests

           return user;

         }else{

           return null;

         }

       }else{

         return null;

       }

    }else{

      return null;

    }

  }

  public static getUserJwt():string {

      if(Session.isLoggedIn()){

          return Session.getUser().jwt;

      }else{

        return null;

      }

  }

  public static getUserEmail():string {

      if(Session.isLoggedIn()){

          return Session.getUser().email;

      }else{

        return null;

      }

  }

  public static getCurrentUrl():string {

    if( typeof localStorage !== 'undefined') {

        return localStorage.getItem("url");

    }

    return "";

    }

  public static setCurrentUrl(url:string) {

        if( typeof localStorage !== 'undefined') {

          localStorage.setItem("url", url);

        }

  }

  public static getCurrentParameters():any {

    if( typeof localStorage !== 'undefined') {

      var params = localStorage.getItem("params");

      var object = null;

      if(params.split("&").length > 0){

        object = {};

      }

      for(var i=0; i<params.split("&").length; i++){

        object[(params.split("&")[i]).split("=")[0]] = (params.split("&")[i]).split("=")[1];

      }

      return object;

    }

    return {};

  }

  public static setCurrentParameters(params:string) {

    if( typeof localStorage !== 'undefined') {

         localStorage.setItem("params",(params && params.length > 1)? params.substring(1):"");

       }

  }

  public static isAdminUser():boolean {

      var isAdmin = false;

      if(Session.isLoggedIn()){

        var claimRoles = ["urn:mace:openminted.eu:aai.openminted.eu:group:OpenAIRE+Curator+-+Claim","urn:mace:openminted.eu:aai.openminted.eu:group:OpenAIRE+Portal+Administrator"]

        console.log(Session.getUser().role);

        for (var i = 0; i < claimRoles.length; i++) {

            if ((Session.getUser().role).indexOf(claimRoles[i]) > -1) {

                isAdmin = true;

                break;

            }

        }

          // console.log("Is admin:"+ isAdmin)

          return (isAdmin);

      }

      // console.log("Is admin:"+ isAdmin)

      return (isAdmin);

  }

  public static isRegisteredUser():boolean {

      var isRegisteredUser = false;

      if(Session.isLoggedIn()){

        var claimRoles = ["urn:mace:openminted.eu:aai.openminted.eu:group:Registered+User"];

        for (var i = 0; i < claimRoles.length; i++) {

          console.log(Session.getUser().role);

            if ((Session.getUser().role).indexOf(claimRoles[i]) > -1) {

                isRegisteredUser = true;

                break;

            }

        }

          // console.log("Is isRegisteredUser:"+ isRegisteredUser)

          return (isRegisteredUser);

      }

      // console.log("Is isRegisteredUser:"+ isRegisteredUser)

      return (isRegisteredUser);

  }

  public static isUserValid() {

    if(Session.isLoggedIn()){

        var expires = Session.getUser().expirationDate;

        var now = new Date().getTime() / 1000;

        // console.log(" is still valid ? "+(now +0 < expires)  +" Remaining:"+ (expires - (now+0))+ " now is:"+now + "expires at:"+expires);

        return now +0 < expires;

    }

    return false;

  }

  public static isValidAndRemove() {

    if(Session.isLoggedIn()){

        if(!Session.isUserValid()){

          Session.removeUser();

          return false;

        }else{

          return true;

        }

    }else{

      return false;

    }

  }

}

export  class MyJWT{

  private static validateJWTFormat(data){

    if(data != null && (data.indexOf(".") !=-1 && data.split('.').length == 3)){

      return true;

    }

    return false;

  }

  private static getPayload(data){

    var payload = data.split('.')[1];

    return StringUtils.b64DecodeUnicode(payload);

  }

  public static parseUserInfo(data: any): User {

      if(this.validateJWTFormat(data)){

        var info = JSON.parse(this.getPayload(data));

      }else{

        return null;

      }

      var user: User = new User();

      user.firstname = (StringUtils.URIDecode(info.firstname)).replace("+"," ");

      user.lastname = (StringUtils.URIDecode(info.lastname)).replace("+"," ");

      user.email = info.email;

      // user.id = info.userId;

      user.fullname = (StringUtils.URIDecode(info.fullname)).replace("+"," ");

      user.role =JSON.parse( StringUtils.URIDecode(info.role));

      // console.log("User Role is:");

      // console.log(user.role)

      user.jwt = data;

      user.expirationDate = info.exp;

      localStorage.setItem("user", JSON.stringify(user));

      return user;

  }

}

  export class COOKIE{

    public static cookieName_u:string="XCsrfToken";

    public static cookieName_id:string="AccessToken";

    public static  getCookie(name: string) : string {

      if(typeof document == 'undefined'){

        return null;

      }

      let ca: Array<string> = document.cookie.split(';');

      let caLen: number = ca.length;

      let cookieName = `${name}=`;

      let c: string;

      for (let i: number = 0; i < caLen; i += 1) {

          c = ca[i].replace(/^\s+/g, '');

          if (c.indexOf(cookieName) == 0) {

              return c.substring(cookieName.length, c.length);

          }

      }

      return null;

  }

  public static deleteCookie(name) {

      this.setCookie(name, '', -1);

  }

  public static setCookie(name: string, value: string, expireDays: number, path: string = '/') {

      let d:Date = new Date();

      d.setTime(d.getTime() + expireDays * 24 * 60 * 60 * 1000);

      let expires:string = `expires=${d.toUTCString()}`;

      // let cpath:string = path ? `; path=${path}` : '';

      document.cookie = name+'='+value+'; path='+path+'; domain='+OpenaireProperties.getCookieDomain()+';';

  }

}