import { Injectable } from '@angular/core';
import { Http, Response, Headers, RequestOptions } from '@angular/http';
import { Observable } from 'rxjs/Rx';
import {COOKIE} from "../../openaireLibrary/login/utils/helper.class"
import { HtmlPageContent } from "../../domain/html-page-content";

@Injectable()
export class HtmlPageContentService {

    constructor(private http:Http) {
    }

    static removeNulls(obj){
        var isArray = obj instanceof Array;
        for (var k in obj){
            if (obj[k]===null || obj[k]==='') isArray ? obj.splice(k,1) : delete obj[k];
            else if (typeof obj[k]=="object") HtmlPageContentService.removeNulls(obj[k]);
        }
    }

      getHtmlPageContent(community : string, page: string, adminToolsAPIURL:string) {
          return this.http.get(adminToolsAPIURL + 'htmlpagecontent?community=' + community + "&page="+page)
              .map(res => <HtmlPageContent> res.json())
              .catch(this.handleError);
      }

      updateHtmlPageContent(htmlPageContent: HtmlPageContent, adminToolsAPIURL:string) {
          let headers = new Headers({'Content-Type': 'application/json'});
          let options = new RequestOptions({headers: headers});

          HtmlPageContentService.removeNulls(htmlPageContent);

          return this.http.post(adminToolsAPIURL + 'htmlpagecontent/update', JSON.stringify(htmlPageContent), options)
              .map(res => <HtmlPageContent> res.json())
              .catch(this.handleError);
      }

      private handleError(error: Response) {
          // in a real world app, we may send the error to some remote logging infrastructure
          // instead of just logging it to the console
          console.error(error);
          return Observable.throw(error.json().error || 'Server error');
      }

}