import { Injectable } from '@angular/core';
import { Http, Response, Headers, RequestOptions } from '@angular/http';
import { Observable } from 'rxjs/Rx';
import {COOKIE} from "../../login/utils/helper.class"


@Injectable()
export class SubscribeService {

  constructor(private http:Http) {
    }
     getCommunitySubscribers(pid:string, url:string){
       return this.http.get(url+"/community/"+pid+"/subscribers")
                       .map(res => <any> res.json()).do(res => {console.log(res)}).do(res => {console.log(res)});
     }

     isSubscribedToCommunity(pid:string, email:string, url:string){
       return this.http.get(url+"/community/"+pid+"/subscribers")
                       .map(res =>  ((<any>res =="")?{}:<any> res.json()))

                       .map(res => {
                         if(res.status && res.status != 200) {
                           return null;
                         }
                         if(res.subscribers && res.subscribers != null){

                           for(var i =0; i< res.subscribers.length; i++ ){
                             if(res.subscribers[i]!=null && res.subscribers[i].email == email){
                               return true;
                             }
                           }
                         }
                         return false;

                       }).do(res => {console.log("Response is "+res)});
     }
     subscribeToCommunity(pid:string, email:string, url:string){
       var subscriber = {"email":email};
       return this.http.post(url+"/community/"+pid+"/subscribers", JSON.stringify(subscriber), this.getAuthOptionsWithBody())
           .map(res => <any> res.json())
           .do(res => {console.log("Response is "+res)});
     }
     unSubscribeToCommunity(pid:string, email:string, url:string){

       return this.http.post(url+"/community/"+pid+"/subscribers/delete", JSON.stringify([email]), this.getAuthOptionsWithBody())
           .map(res => <any> res.json())
           .do(res => {console.log("Response is "+res)});
     }

     public getAuthOptionsWithBody():RequestOptions{
     let headers = new Headers();
     headers.append('Content-Type', 'application/json');
     headers.append('X-XSRF-TOKEN',  COOKIE.getCookie(COOKIE.cookieName_id));
     let options = new RequestOptions({ headers: headers, withCredentials:true  });
       return options;
     }

}