import { Injectable }               from '@angular/core';
import { Observable }               from 'rxjs/Observable';
import { UserRegistrationResponse } from '../interfaces/responses/user-registration-response';
import { UserLoginResponse }        from '../interfaces/responses/user-login-response';
import {HttpClient}                 from '@angular/common/http';
import {ConstantsProviderService}   from './constants-provider.service';

@Injectable()
export class UserService {

  constructor(private httpClient:HttpClient,private constantProviderService:ConstantsProviderService) {
  }

  public loginUser(email:string,password:string):Observable<UserLoginResponse>{
    let postBody = {
      email:email,
      password:password
    };
    let postUrl = this.constantProviderService.UserLoginPostUrl;
    let userLogin:Observable<UserLoginResponse> = this.httpClient.post<UserLoginResponse>(postUrl,postBody);

    return userLogin;
  }

  public registerUser(email:string,first_name:string,last_name:string,mobile:string,password:string):Observable<UserRegistrationResponse> {
    let postBody = {
      email:email,
      first_name:first_name,
      last_name:last_name,
      mobile:mobile,
      password:password
    };
    let postUrl = this.constantProviderService.UserRegistrationPostUrl;
    let userRegistration:Observable<UserRegistrationResponse> = this.httpClient.post<UserRegistrationResponse>(postUrl,postBody);
    return   userRegistration;
  }

}

export enum UserRole {employee,user}

export interface AuthUser{
  token:string;
  role:UserRole;
  first_name:string;
  last_name:string;
  email:string;
  token_creation_time:number;
  token_life:number;
}