import {Injectable} from '@angular/core';
import {HttpClient} from '@angular/common/http';
import {map, tap} from "rxjs/operators";
import {CustomOptions} from "../../services/servicesUtils/customOptions.class";
import {EnvProperties} from "../properties/env-properties";
import {COOKIE} from "../../login/utils/helper.class";
import {BehaviorSubject, Observable} from "rxjs";

@Injectable()
export class SubscribeService {
  private isSubscribedSubject: BehaviorSubject<boolean> = new BehaviorSubject(false);

  constructor(private http: HttpClient) {}

  public initIsSubscribedToCommunity(properties: EnvProperties, pid: string) {
    let url = properties.adminToolsAPIURL + "/community/" + pid + "/is-subscriber/";
    this.http.get<boolean>(url, CustomOptions.getAuthOptionsWithBody()).subscribe((isSubscribed) => {
      this.isSubscribedSubject.next(isSubscribed);
    }, error => {
      this.isSubscribedSubject.error(error);
    });
  }

  public get isSubscribed(): Observable<boolean> {
    return this.isSubscribedSubject.asObservable();
  }

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

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

  isSubscribedToCommunity(properties: EnvProperties, pid: string) {
    let url = properties.adminToolsAPIURL + "/community/" + pid + "/is-subscriber/";
    return this.http.get<boolean>(url, CustomOptions.getAuthOptionsWithBody())
      .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;
        return res;
      }));
  }

  subscribeToCommunity(properties: EnvProperties, pid: string) {
    return this.http.post<any>(properties.adminToolsAPIURL + "/community/" + pid + "/subscriber", {}, CustomOptions.getAuthOptionsWithBody())
      .pipe(tap(isSubscribed => {
        this.isSubscribedSubject.next(isSubscribed);}));
  }

  unSubscribeToCommunity(properties: EnvProperties, pid: string) {
    return this.http.post<any>(properties.adminToolsAPIURL + "/community/" + pid + "/subscriber/delete", {}, CustomOptions.getAuthOptionsWithBody())
      .pipe(tap(unSubscribed => {
        this.isSubscribedSubject.next(!unSubscribed);}));
  }

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

  unSubscribeToCommunityByEmail(properties: EnvProperties, pid: string, email: string) {
    return this.http.post<any>(properties.adminToolsAPIURL + "/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>(url, CustomOptions.getAuthOptionsWithBody());
  }
}