D-Net

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

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

import {HelpContentService} from '../../services/help-content.service';

import {FormBuilder, FormControl, FormGroup, Validators} from '@angular/forms';

import {CheckEntity, Entity} from '../../utils/entities/adminTool/entity';

import {Portal} from '../../utils/entities/adminTool/portal';

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

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

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

import {HelperFunctions} from "../../utils/HelperFunctions.class";

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

import {Subscriber} from "rxjs";

import {properties} from "../../../../environments/environment";

@Component({

  selector: 'entities',

  templateUrl: './entities.component.html',

})

export class EntitiesComponent implements OnInit {

  @ViewChild('AlertModalSaveEntity') alertModalSaveEntity;

  @ViewChild('AlertModalDeleteEntities') alertModalDeleteEntities;

  private selectedEntities: string[] = [];

  public checkboxes: CheckEntity[] = [];

  public entities: Entity[] = [];

  public myForm: FormGroup;

  private searchText: RegExp = new RegExp('');

  public keyword = '';

  public communities: Portal[] = [];

  public selectedCommunityPid: string;

  @ViewChild('AlertModalRelatedPages') alertModalRelatedPages;

  public toggleIds: string[];

  public toggleStatus: boolean;

  public properties: EnvProperties = null;

  public showLoading = true;

  public errorMessage = '';

  public updateErrorMessage = '';

  public modalErrorMessage = '';

  public isPortalAdministrator = null;

  public filterForm: FormGroup;

  private subscriptions: any[] = [];

  constructor(private element: ElementRef, private route: ActivatedRoute,

              private _router: Router,

              private _helpContentService: HelpContentService,

              private userManagementService: UserManagementService, private _fb: FormBuilder) {

  }

  ngOnInit() {

    this.filterForm = this._fb.group({

      keyword: [''],

      status: ['all', Validators.required]});

    this.myForm = this._fb.group({

      pid: ['', Validators.required],

      name: ['', Validators.required],

      isEnabled: '',

      _id: ''

    });

    this.subscriptions.push(this.filterForm.get('keyword').valueChanges.subscribe(value => {

      this.filterBySearch(value);

    }));

    this.subscriptions.push(this.filterForm.get('status').valueChanges.subscribe(value => {

      this.applyStatusFilter();

    }));

      this.properties = properties;

      this.subscriptions.push(this.route.queryParams.subscribe(params => {

        HelperFunctions.scroll();

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

          this.selectedCommunityPid = params['communityId'];

          this.applyCommunityFilter(this.selectedCommunityPid);

          this.isPortalAdministrator = Session.isPortalAdministrator(user) && !this.selectedCommunityPid;

        });

      }));

  }

  ngOnDestroy(): void {

    this.subscriptions.forEach(value => {

      if (value instanceof Subscriber) {

        value.unsubscribe();

      } else if (value instanceof Function) {

        value();

      }

    });

  }

  getEntities(community_pid: string) {

    if (!Session.isLoggedIn()) {

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

        {queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}});

    } else {

      this.showLoading = true;

      this.updateErrorMessage = '';

      this.errorMessage = '';

      if (community_pid) {

        this._helpContentService.getCommunityEntities(community_pid, this.properties.adminToolsAPIURL).subscribe(

          entities => {

            this.entities = entities;

            this.checkboxes = [];

            let self = this;

            entities.forEach(_ => {

              self.checkboxes.push(<CheckEntity>{entity: _, checked: false});

            });

            this.showLoading = false;

          },

          error => this.handleError('System error retrieving entities', error));

      } else {

        this._helpContentService.getEntities(this.properties.adminToolsAPIURL).subscribe(

          entities => {

            this.entities = entities;

            this.checkboxes = [];

            let self = this;

            entities.forEach(_ => {

              self.checkboxes.push(<CheckEntity>{entity: _, checked: false});

            });

            this.showLoading = false;

          },

          error => this.handleError('System error retrieving entities', error));

      }

    }

  }

  public toggleCheckBoxes(event) {

    this.checkboxes.forEach(_ => _.checked = event.target.checked);

  }

  public applyCheck(flag: boolean) {

    this.checkboxes.forEach(_ => _.checked = flag);

  }

  public getSelectedEntities(): string[] {

    return this.checkboxes.filter(entity => entity.checked === true).map(checkedEntity => checkedEntity.entity).map(res => res._id);

  }

  private deleteEntitiesFromArray(ids: string[]): void {

    for (let id of ids) {

      const i = this.checkboxes.findIndex(_ => _.entity._id === id);

      this.checkboxes.splice(i, 1);

    }

  }

  public confirmDeleteEntity(id: string) {

    // this.deleteConfirmationModal.ids = [id];

    // this.deleteConfirmationModal.showModal();

    this.selectedEntities = [id];

    this.confirmDeleteEntitiesModalOpen();

  }

  public confirmDeleteSelectedEntities() {

    // this.deleteConfirmationModal.ids = this.getSelectedEntities();

    // this.deleteConfirmationModal.showModal();

    this.selectedEntities = this.getSelectedEntities();

    this.confirmDeleteEntitiesModalOpen();

  }

  private confirmDeleteEntitiesModalOpen() {

    if (!Session.isLoggedIn()) {

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

        {queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}});

    } else {

      this.alertModalDeleteEntities.cancelButton = true;

      this.alertModalDeleteEntities.okButton = true;

      this.alertModalDeleteEntities.alertTitle = 'Delete Confirmation';

      this.alertModalDeleteEntities.message = 'Are you sure you want to delete the selected entity(-ies)?';

      this.alertModalDeleteEntities.okButtonText = 'Yes';

      this.alertModalDeleteEntities.open();

    }

  }

  public confirmedDeleteEntities(data: any) {

    if (!Session.isLoggedIn()) {

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

        {queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}});

    } else {

      this.showLoading = true;

      this.updateErrorMessage = '';

      this._helpContentService.deleteEntities(this.selectedEntities, this.properties.adminToolsAPIURL).subscribe(

        _ => {

          this.deleteEntitiesFromArray(this.selectedEntities);

          this.showLoading = false;

        },

        error => this.handleUpdateError('System error deleting the selected entities', error)

      );

    }

  }

  public editEntity(i: number) {

    const entity: Entity = this.checkboxes[i].entity;

    this.myForm = this._fb.group({

      name: [entity.name, Validators.required],

      _id: entity._id,

      pid: [entity.pid, Validators.required],

    });

    this.modalErrorMessage = '';

    this.entitiesModalOpen(this.alertModalSaveEntity, '', 'Save Changes');

  }

  public newEntity() {

    this.myForm = this._fb.group({

      pid: ['', Validators.required],

      name: ['', Validators.required],

      isEnabled: '',

      _id: ''

    });

    this.modalErrorMessage = '';

    this.entitiesModalOpen(this.alertModalSaveEntity, '', 'Save');

  }

  private entitiesModalOpen(modal: any, title: string, yesBtn: string) {

    if (!Session.isLoggedIn()) {

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

        {queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}});

    } else {

      modal.cancelButton = true;

      modal.okButton = true;

      modal.alertTitle = title;

      modal.okButtonText = yesBtn;

      modal.open();

    }

  }

  public entitySaveConfirmed(data: any) {

    if (!Session.isLoggedIn()) {

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

        {queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}});

    } else {

      this.modalErrorMessage = '';

      if (this.myForm.getRawValue()['_id'].length > 0) {

        this._helpContentService.updateEntity(

          <Entity>this.myForm.value, this.properties.adminToolsAPIURL).subscribe(

          entity => {

            this.entityUpdatedSuccessfully(entity);

          },

          error => this.handleUpdateError('System error updating entity', error)

        );

      } else {

        this._helpContentService.saveEntity(<Entity>this.myForm.value, this.properties.adminToolsAPIURL).subscribe(

          entity => {

            this.entitySavedSuccessfully(entity);

          },

          error => this.handleUpdateError('System error creating entity', error)

        );

      }

    }

  }

  public entitySavedSuccessfully(entity: Entity) {

    this.checkboxes.push(<CheckEntity>{entity: entity, checked: false});

    this.applyCheck(false);

  }

  public entityUpdatedSuccessfully(entity: Entity) {

    this.checkboxes.find(checkItem => checkItem.entity._id === entity._id).entity = entity;

    this.applyCheck(false);

  }

  public filterBySearch(text: string) {

    this.searchText = new RegExp(text, 'i');

    this.applyFilter();

  }

  public applyFilter() {

    this.checkboxes = [];

    this.entities.filter(item => this.filterEntities(item)).forEach(

      _ => this.checkboxes.push(<CheckEntity>{entity: _, checked: false})

    );

  }

  public filterEntities(entity: Entity): boolean {

    const textFlag = this.searchText.toString() === '' || (entity.name).match(this.searchText) != null;

    return textFlag;

  }

  public applyStatusFilter() {

    this.checkboxes = [];

    this.entities.filter(item => this.filterEntitiesByStatus(item)).forEach(

      _ => this.checkboxes.push(<CheckEntity>{entity: _, checked: false})

    );

  }

  public filterEntitiesByStatus(entity: Entity): boolean {

    let status = this.filterForm.get("status").value;

    return  status == "all" || (status == "disabled" && !entity.isEnabled) || (status == "enabled" && entity.isEnabled);

  }

  handleError(message: string, error) {

    this.errorMessage = message;

    console.log('Server responded: ' + error);

    this.showLoading = false;

  }

  handleUpdateError(message: string, error) {

    if (error == null) {

      this.myForm = this._fb.group({

        pid: ['', Validators.required],

        name: ['', Validators.required],

        isEnabled: '',

        _id: ''

      });

    } else {

      this.updateErrorMessage = message;

      console.log('Server responded: ' + error);

    }

    this.showLoading = false;

  }

  public applyCommunityFilter(community_pid: string) {

    this.getEntities(community_pid);

  }

  public toggleEntities(status: boolean, ids: string[]) {

    // this.okModal.showModal();

    this.toggleIds = ids;

    this.toggleStatus = status;

    this.confirmRelatedPagesModalOpen();

  }

  private confirmRelatedPagesModalOpen() {

    if (!Session.isLoggedIn()) {

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

        {queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}});

    } else {

      this.alertModalRelatedPages.cancelButton = true;

      this.alertModalRelatedPages.okButton = true;

      this.alertModalRelatedPages.alertTitle = 'Warning';

      this.alertModalRelatedPages.message = "This action will affect all search pages related to this entity! Pages' status will change to entity's status! Do you want to continue?";

      this.alertModalRelatedPages.okButtonText = 'Yes';

      this.alertModalRelatedPages.open();

    }

  }

  public continueToggling(event: any) {

    if (!Session.isLoggedIn()) {

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

        {queryParams: {'errorCode': LoginErrorCodes.NOT_VALID, 'redirectUrl': this._router.url}});

    } else {

      this.updateErrorMessage = '';

      this._helpContentService.toggleEntities(

        this.selectedCommunityPid, this.toggleIds, this.toggleStatus, this.properties.adminToolsAPIURL).subscribe(

        () => {

          for (let id of this.toggleIds) {

            const i = this.checkboxes.findIndex(_ => _.entity._id === id);

            this.checkboxes[i].entity.isEnabled = this.toggleStatus;

          }

          this.applyCheck(false);

        },

        error => this.handleUpdateError('System error changing the status of the selected entity(-ies)', error)

      );

    }

  }

}