import { Injectable, Inject } from '@angular/core';
import { Configuration } from './configuration';
import { Urls } from './configuration';
import { Observable } from 'rxjs/Observable';
import { Http, Headers, Response } from '@angular/http';

const ENDPOINT_GET_URLS = '/oauth/get_scope_urls';

@Injectable()
export class ConfigurationService {

  config: Configuration;
  internal_urls: Urls;
  timerRefreshToken: any;


  constructor(
      public http: Http,
      @Inject('api.config') private apiConfig: Configuration) {
    this.config = apiConfig;
    this.internal_urls = new Urls()
    this.loadUrlsFromAuth().subscribe(
      res => this.saveUrls(res),
      err => console.log(err)
    )
  }

  loadUrlsFromAuth(): Observable<Response>  {
    let body = JSON.stringify(
      {
        'client_id': this.config.client_id,
        'scope': this.config.account
      }
    );
    return this.http.post(
      this.config.bootstrap_url + ENDPOINT_GET_URLS,
      body
    );
  }

  saveUrls(res) {
    let urls = res.json();

    if (this.config.force_local !== undefined && this.config.force_local !== false ) {
      this.internal_urls.canonical = 'http://localhost:8080/zodb1/' + this.config.account;
    } else {
      this.internal_urls.canonical = urls.canonical;
    }
    if (this.config.force_local !== undefined && this.config.force_local !== false ) {
      this.internal_urls.proxy = 'http://localhost:8080/zodb1/' + this.config.account;
    } else {
      this.internal_urls.proxy = urls.proxy;
    }
    if (this.config.force_local !== undefined && this.config.force_local !== false ) {
      this.internal_urls.websocket = 'http://localhost:8080/zodb1/' + this.config.account;
    } else {
      this.internal_urls.websocket = urls.websocket;
    }
  }

  getWSURL() {
    return this.internal_urls.websocket;
  }

  getCanonicalURL() {
    return this.internal_urls.canonical;
  }

  getAuthURL() {
    return this.config.bootstrap_url;
  }

  getProxyURL() {
    return this.internal_urls.proxy;
  }

  save_config() {
    localStorage.setItem('atlasense_config', JSON.stringify(this.internal_urls));
  }

}