import {Injectable} from '@angular/core';
import {HttpClient} from '@angular/common/http';
import {map} from "rxjs/operators";
import {CustomOptions} from "../../services/servicesUtils/customOptions.class";
import {EnvProperties} from "../properties/env-properties";

@Injectable()
export class SubscribeService {

  constructor(private http: HttpClient) {
  }

  getCommunitySubscribers(properties: EnvProperties, pid: string) {
    let url = properties.adminToolsAPIURL + "/community/" + pid + "/subscribers";
    return this.http.get<any>((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url);
  }

  isSubscribedToCommunity(properties: EnvProperties, pid: string, email: string) {
    let url = properties.adminToolsAPIURL + "/community/" + pid + "/subscribers";
    return this.http.get((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url)
      .pipe(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;

      }));
  }

  subscribeToCommunity(pid: string, email: string, url: string) {
    let subscriber = {"email": email};
    return this.http.post<any>(url + "/community/" + pid + "/subscribers", JSON.stringify(subscriber), CustomOptions.getAuthOptionsWithBody());
  }

  unSubscribeToCommunity(pid: string, email: string, url: string) {
    return this.http.post<any>(url + "/community/" + pid + "/subscribers/delete", JSON.stringify([email]), CustomOptions.getAuthOptionsWithBody());
  }

  getCommunitiesSubscribedTo(properties: EnvProperties, email: string) {
    let url = properties.adminToolsAPIURL + "/subscriber/communities?email=" + email;
    return this.http.get<any>((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url);
  }
}