import { Component, ViewChild, ElementRef } from '@angular/core';
import { ActivatedRoute, Router } from "@angular/router";
import { PageContentFormComponent } from "./page-help-content-form.component";
import { PageHelpContent } from "../../utils/entities/adminTool/page-help-content";
import { HelpContentService } from "../../services/help-content.service";
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 {Page} from "../../utils/entities/adminTool/page";
import {properties} from "../../../../environments/environment";
import {Subscriber, Subscription} from "rxjs";

@Component({
    selector: 'new-page-help-content',
    templateUrl: 'new-page-help-content.component.html',
})

export class NewPageHelpContentComponent {

    @ViewChild(PageContentFormComponent)
    public formComponent : PageContentFormComponent;

    //private errorMessage : string = null;

    public communityPid: string;

    public pageId: string;
    public page: Page;

    public properties:EnvProperties = null;

    public showLoading: boolean = true;
    public errorMessage: string = '';
    public updateErrorMessage: string = '';
    private subs: Subscription[]=[];
    constructor(
        private element: ElementRef,
        private route: ActivatedRoute,
        private router: Router,
        private _helpContentService: HelpContentService) {}

    ngOnInit() {

     this.properties = properties;
      this.subs.push(this.route.queryParams.subscribe(params => {
       HelperFunctions.scroll();

       this.communityPid = params['communityId'];
       this.pageId = params['pageId'];

       if(this.pageId) {
         this.getPage(this.pageId);
       } else {
         this.showLoading = false;
       }
     }));
    }
  ngOnDestroy() {
    this.subs.forEach(value => {
      if (value instanceof Subscriber) {
        value.unsubscribe();
      }
    });
  }
  private getPage(pageId: string) {
    this.subs.push(this._helpContentService.getPageByPortal(pageId,this.properties.adminToolsAPIURL, this.communityPid).subscribe(
      page => {
        if(this.properties.adminToolsPortalType != page.portalType) {
          this.router.navigate(['../../'], { queryParams: { "communityId": this.communityPid} });
        } else {
          this.page = page;
          this.formComponent.setPlacements(this.page);
          this.showLoading = false;
          console.info(this.page);
        }
      },
      error => this.handleError('System error retrieving page with id: '+pageId, error)
    ));
  }

  public saveCustom() {
      if(!Session.isLoggedIn()){
        this.router.navigate(['/user-info'], { queryParams: { "errorCode": LoginErrorCodes.NOT_VALID, "redirectUrl": this.router.url} });
      } else {
        //this.errorMessage = null;

        if(this.formComponent.myForm.valid) {
            this.showLoading = true;
            this.updateErrorMessage = "";

            let pageHelpContent : PageHelpContent = this.formComponent.myForm.value;

          this.subs.push(this._helpContentService.savePageHelpContent(pageHelpContent, this.properties.adminToolsAPIURL, this.communityPid).subscribe(
                _ => {
                  if(this.pageId) {
                    this.router.navigate( ['../../'], { queryParams: { "communityId": this.communityPid, "pageId": this.pageId  }, relativeTo: this.route } );
                  } else {
                    this.router.navigate(['../../'], { queryParams: { "communityId": this.communityPid}, relativeTo: this.route });
                  }
                  this.showLoading = false;
                },
                err => this.handleUpdateError('System error saving page content', err)
            ));
        } else {
            this.errorMessage = "Please fill all required fields";
        }
      }
    }

  public cancelCustom() {
      if(this.pageId) {
        this.router.navigate( ['../../'], { queryParams: { "communityId": this.communityPid, "pageId": this.pageId  }, relativeTo: this.route } );
      } else {
        this.router.navigate(['../../'], { queryParams: { "communityId": this.communityPid}, relativeTo: this.route } );
      }
  }

  handleUpdateError(message: string, error) {
      this.updateErrorMessage = message;
      console.log('Server responded: ' + error);

      this.showLoading = false;
  }

  handleError(message: string, error) {
    this.errorMessage = message;
    console.log('Server responded: ' + error);
    this.showLoading = false;
  }
}