D-Net

import {Component, EventEmitter, Input, Output, ViewChild} from '@angular/core';

import {ActivatedRoute, Router} from '@angular/router';

import {EnvProperties} from '../../openaireLibrary/utils/properties/env-properties';

import {AlertModal} from '../../openaireLibrary/utils/modal/alert';

import {CommunityService} from '../../openaireLibrary/connect/community/community.service';

import {SubscribeService} from '../../openaireLibrary/utils/subscribe/subscribe.service';

import {EmailService} from "../../openaireLibrary/utils/email/email.service";

import {Session, User} from '../../openaireLibrary/login/utils/helper.class';

import {Email} from "../../openaireLibrary/utils/email/email";

import {Composer} from "../../openaireLibrary/utils/email/composer";

import {LoginErrorCodes} from '../../openaireLibrary/login/utils/guardHelper.class';

import {UserManagementService} from "../../openaireLibrary/services/user-management.service";

declare var UIkit: any;

@Component({

  selector: 'subscribe',

  template: `

    <span *ngIf="subscribed != null && !showNumbers && showTemplate">

      <div *ngIf="!subscribed && showLoginAlert" class="uk-alert-warning uk-animation-slide-bottom" uk-alert="">

      <a class="uk-alert-close" uk-close></a>

      <p>Please login first to subscribe</p>

      </div>

      <button *ngIf="!subscribed" [class]="'uk-button uk-button-primary' + (loading ? ' uk-disabled' : '')"

              (click)="subscribe()"> Subscribe</button>

      <button *ngIf="subscribed" [class]="'uk-button uk-button-primary' + (loading ? ' uk-disabled' : '')"

              (click)="confirmOpen()"> Unsubscribe</button>

    </span>

    <span *ngIf="showNumbers && subscribers !=null && subscribers > 0  && showTemplate">

      <span class="lowOpacityColor">  Members</span> {{subscribers}}

    </span>

    <modal-alert (alertOutput)="confirmClose($event)">

    </modal-alert>

  `

})

export class SubscribeComponent {

  // @Input() showSubscribe:boolean = true;

  @Input() showNumbers: boolean;

  @Input() communityId: string;

  @Input() showTemplate: boolean = true;

  @Output() subscribeEvent = new EventEmitter();

  public community = null;

  public emailToInformManagers: Email;

  loading: boolean = false;

  subscribed: boolean = null;

  properties: EnvProperties;

  subscribers: number = null;

  showLoginAlert: Boolean = false;

  @ViewChild(AlertModal) alert;

  private user: User;

  constructor(private route: ActivatedRoute,

              private _subscribeService: SubscribeService,

              private _emailService: EmailService,

              private _communityService: CommunityService,

              private router: Router,

              private userManagementService: UserManagementService

  ) {

  }

  public ngOnInit() {

    this.route.data

      .subscribe((data: { envSpecific: EnvProperties }) => {

        this.properties = data.envSpecific;

        this.userManagementService.getUserInfo(this.properties.userInfoUrl).subscribe( user => {

          this.user = user;

          if (!this.showNumbers) {

            let email = (this.user)?this.user.email:null;

            if (email == null) {

              this.subscribed = false;

            } else {

              if (this.communityId) {

                this._subscribeService.isSubscribedToCommunity(this.properties, this.communityId, email).subscribe(

                  res => {

                    this.subscribed = res;

                    if (this.subscribed) {

                      this.subscribeEvent.emit({

                        value: "ok"

                      });

                    }

                  },

                  error => {

                    this.handleError("Error getting response if email: " + email + " is subscribed to community with id: " + this.communityId, error);

                  });

              }

            }

          } else {

            if (this.communityId) {

              this._subscribeService.getCommunitySubscribers(this.properties, this.communityId).subscribe(

                res => {

                  this.subscribers = (res && res.subscribers && res.subscribers.length) ? res.subscribers.length : 0;

                },

                error => {

                  this.handleError("Error getting community subscribers for community with id: " + this.communityId, error);

                });

            }

          }

          if (this.communityId) {

            this.emailToInformManagers = {body: "", subject: "", recipients: []};

            this._communityService.getCommunity(this.properties, this.properties.communityAPI + this.communityId).subscribe(

              community => {

                this.community = community;

              },

              error => {

                //console.log('System error retrieving community profile', error)

                this.handleError("Error getting community with id: " + this.communityId, error);

              }

            );

          }

        });

      });

  }

  subscribe() {

    var email = (this.user)?this.user.email:null;

    if (email == null) {

      this.subscribed = false;

      // this.showLoginAlert = true;

      this.router.navigate(['/user-info'], {

        queryParams: {

          "errorCode": LoginErrorCodes.ACTION_REQUIRES_LOGIN,

          "redirectUrl": this.router.url

        }

      });

    } else {

      this.loading = true;

      this.showLoginAlert = false;

      this._subscribeService.subscribeToCommunity(this.communityId, email, this.properties.adminToolsAPIURL).subscribe(

        res => {

          this.loading = false;

          if (res.status && res.status != 200) {

            this.subscribeEvent.emit({

              value: "error"

            });

            UIkit.notification({

              message: '<strong>An error occured. Please try again!<strong>',

              status: 'warning',

              timeout: 3000,

              pos: 'top-center'

            });

          } else {

            if (!this.subscribed) {

              this.subscribed = true;

              this.subscribeEvent.emit({

                value: "ok"

              });

              this._emailService.sendEmail(this.properties.adminToolsAPIURL + "/notifyForNewSubscribers/" + this.communityId, Composer.composeEmailToInformManagers(this.community.title, this.communityId, this.community.managers, email)).subscribe(

                res => {

                  //console.log("The email has been sent successfully!")

                },

                error => {

                  //console.log(error)

                  this.handleError("Error notifying managers about new subscribers for community with id: " + this.communityId, error);

                }

              );

            }

          }

        },

        error => {

          this.loading = false;

          this.subscribeEvent.emit({

            value: "error"

          });

          UIkit.notification({

            message: '<strong>An error occured. Please try again!<strong>',

            status: 'warning',

            timeout: 3000,

            pos: 'top-center'

          });

          //console.log(error)

          this.handleError("Error subscribing email: " + email + " to community with id: " + this.communityId, error);

        });

    }

  }

  unsubscribe() {

    var email = (this.user)?this.user.email:null;

    if (email == null) {

      this.subscribed = false;

    } else {

      this.loading = true;

      //this.properties.adminToolsAPIURL

      this._subscribeService.unSubscribeToCommunity(this.communityId, email, this.properties.adminToolsAPIURL).subscribe(

        res => {

          this.loading = false;

          if (res.status && res.status != 200) {

            UIkit.notification({

              message: '<strong>An error occured. Please try again!<strong>',

              status: 'warning',

              timeout: 3000,

              pos: 'top-center'

            });

          } else {

            //console.log(res);

            if (this.subscribed) {

              console.log('here')

              this.subscribed = false;

            }

          }

        },

        error => {

          this.loading = false;

          UIkit.notification({

            message: '<strong>An error occured. Please try again!<strong>',

            status: 'warning',

            timeout: 3000,

            pos: 'top-center'

          });

          //console.log(error)

          this.handleError("Error unsubscribing email: " + email + " from community with id: " + this.communityId, error);

        });

    }

  }

  confirmOpen() {

    this.alert.cancelButton = true;

    this.alert.okButton = true;

    this.alert.alertTitle = "Unsubscribe community ";

    this.alert.message = "Do you want to proceed? ";

    this.alert.okButtonText = "Yes";

    this.alert.cancelButtonText = "No";

    this.alert.open();

  }

  confirmClose(data) {

    this.unsubscribe();

  }

  private handleError(message: string, error) {

    console.error("Subscribe (component): " + message, error);

  }

}