D-Net

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

import {Location} from '@angular/common';

import {Observable}       from 'rxjs/Observable';

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

import {ModalLoading} from '../../utils/modal/loading.component';

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

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

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

import {MailPrefsService} from './mailPrefs.service';

import {ConnectHelper} from '../connectHelper';

import {ErrorCodes} from '../../utils/properties/errorCodes';

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

declare var UIkit: any;

@Component({

  selector: 'mailPrefs',

  templateUrl: 'mailPrefs.component.html',

  providers:[MailPrefsService]

})

export class MailPrefsComponent {

  properties:EnvProperties;

  sub: any;

  public communityId: string;

  public preferencesFor: string = "community";

  public status: number;

  public notifications = [];

  public initialNotifications = [];

  public prefsChanged = {};

  //public showForbiddenMessage:boolean = false;

  public userValidMessage:string = "";

  public savedMessage: string = "";

  public fetchId:string;

  private errorCodes: ErrorCodes;

  @Input() showSaveResetButtons: boolean = true;

  constructor (private _mailPrefsService: MailPrefsService, private route: ActivatedRoute, private _router:Router, private location: Location) {

    this.errorCodes = new ErrorCodes();

    this.status = this.errorCodes.LOADING;

  }

  ngOnInit() {

    this.route.data

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

        this.properties = data.envSpecific;

    });

    this.sub = this.route.queryParams.subscribe(params => {

      this.communityId = params['communityId'];

      if(!this.communityId){

        this.communityId  = ConnectHelper.getCommunityFromDomain(document.location.hostname);

      }

      this.fetchId = Session.getUserEmail();

      console.info("email: "+this.fetchId);

      console.info("communityId: " + this.communityId);

      this.getEmailPreferences();

    });

  }

  getEmailPreferences() {

    if(!Session.isLoggedIn()){

      this.userValidMessage = "User session has expired. Please login again.";

      if(this.showSaveResetButtons) {

        this._router.navigate(['/user-info'], { queryParams: { "errorCode": LoginErrorCodes.NOT_VALID, "redirectUrl":  this._router.url} });

      }

    }else{

      this.status = this.errorCodes.LOADING;

      this.savedMessage = "";

      if(this.communityId && this.communityId != "openaire") {

        this.preferencesFor = "community";

        this._mailPrefsService.getUserEmailPreferencesForCommunity(this.communityId, this.properties.claimsAPIURL).subscribe(

          data => {

            if(data.code == "204") {

              this.status = this.errorCodes.NONE;

            } else {

              this.initialNotifications = data.data;

              this.notifications = JSON.parse(JSON.stringify( this.initialNotifications ));

              this.status = this.errorCodes.DONE;

            }

          },

          err => {

            this.handleErrors(err);

          }

        );

      } else {

        this.preferencesFor = "project";

        this._mailPrefsService.getUserEmailPreferencesForOpenaire(this.properties.claimsAPIURL).subscribe(

          data => {

            console.info("email prefs returned");

            if(data.code == "204") {

              this.status = this.errorCodes.NONE;

            } else {

              console.info(data);

              this.initialNotifications = data.data;

              this.notifications = JSON.parse(JSON.stringify( this.initialNotifications ));

              //this.notifications = this.initialNotifications.map(x => Object.assign({}, x));

              //this.notifications = this.initialNotifications;

              this.status = this.errorCodes.DONE;

            }

          },

          err => {

            //console.info(err);

            this.handleErrors(err);

          }

        );

      }

    }

  }

  changeNotify(notification: any, checked: boolean, index: number) {

    this.savedMessage = "";

    this.status = this.errorCodes.DONE;

    notification.notify = checked;

    this.prefsChanged[index] = true;

  }

  changeFrequency(value: number, index: number) {

    this.savedMessage = "";

    this.status = this.errorCodes.DONE;

    if(this.initialNotifications[index].frequency != value) {

      this.prefsChanged[index] = true;

    }

  }

  saveNotification(index: number) {

    if(this.notifications.length > 0 && this.initialNotifications.length > 0) {

      if(JSON.stringify(this.notifications[index]) != JSON.stringify(this.initialNotifications[index])) {

        if(!Session.isLoggedIn()){

          this.userValidMessage = "User session has expired. Please login again.";

          if(this.showSaveResetButtons) {

            this._router.navigate(['/user-info'], { queryParams: { "errorCode": LoginErrorCodes.NOT_VALID, "redirectUrl":  this._router.url} });

          }

        }else{

          this.status = this.errorCodes.LOADING;

          this.savedMessage = "";

          console.info("Send notification to db: ", this.notifications[index]);

          this._mailPrefsService.saveUserEmailPreferences(this.notifications[index], this.properties.claimsAPIURL).subscribe(

            data => {

              console.info("Notification saved successfully");

              this.initialNotifications[index] = JSON.parse(JSON.stringify( this.notifications[index] ));

              this.status = this.errorCodes.DONE;

              /*UIkit.notification({

                  message : '<strong>Your email preferences for '+this.notifications[index].openaireName+' have been successfully changed<strong>',

                  status  : 'success',

                  timeout : 3000,

                  pos     : 'top-center'

              });*/

              this.savedMessage = "Notification settings for claims saved!";

            },

            err => {

              console.log(err);

              this.status = this.errorCodes.NOT_SAVED;

            }

          );

        }

      } else {

        console.info("Notification not changed: ", this.notifications[index]);

        /*UIkit.notification({

            message : '<strong>No changes selected for '+this.notifications[index].openaireName+' email preferences<strong>',

            status  : 'primary',

            timeout : 3000,

            pos     : 'top-center'

        });*/

        this.savedMessage = "Notification settings for claims saved!";

      }

    }

  }

  restoreNotification(index: number) {

    if(this.notifications.length > 0 && this.initialNotifications.length > 0) {

      this.status = this.errorCodes.LOADING;

      this.savedMessage = "";

      console.info("Restore Notification");

      console.info(this.notifications[index]);

      this.notifications[index] = JSON.parse(JSON.stringify( this.initialNotifications[index] ));

      console.info(this.initialNotifications[index]);

      this.status = this.errorCodes.DONE;

      this.prefsChanged[index] = false;

    }

  }

/*

  prefsChanged(index: number) : boolean {

    if(this.notifications.length > 0 && this.initialNotifications.length > 0) {

      if(JSON.stringify(this.notifications[index]) != JSON.stringify(this.initialNotifications[index])) {

        return true;

      }

    }

    return false;

  }

*/

  ngOnDestroy() {

    if(this.sub) {

      this.sub.unsubscribe();

    }

  }

  handleErrors(err){

    //this.showErrorMessage = true;

    //try{

      var code = "";

      if(!err.status) {

        var error =  err.json();

        code = error.code;

      } else {

        code = err.status;

      }

      console.info(code);

      if(code == "403") {

        this.status = this.errorCodes.FORBIDDEN;

      }

      else if(code == "204") {

        this.status = this.errorCodes.NONE;

      } else if(code == "404") {

        this.status = this.errorCodes.NOT_FOUND;

      } else if(code == "500") {

        this.status = this.errorCodes.ERROR;

      } else {

        this.status = this.errorCodes.NOT_AVAILABLE;

      }

    //}catch (e) {

      //console.log("Couldn't parse answer as json")

      //this.showErrorMessage = true;

    //}

  }

}