D-Net

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

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

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

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

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

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

import {Meta, Title} from "@angular/platform-browser";

import {PiwikService} from "../openaireLibrary/utils/piwik/piwik.service";

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

import {HelperService} from "../openaireLibrary/utils/helper/helper.service";

import {SEOService} from "../openaireLibrary/sharedComponents/SEO/SEO.service";

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

import {Breadcrumb} from "../openaireLibrary/utils/breadcrumbs/breadcrumbs.component";

import {Subscriber} from "rxjs";

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

@Component({

    selector: 'contact',

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

})

export class ContactComponent implements OnInit {

    public url: string = null;

    public pageTitle: string = "OpenAIRE - Connect | Contact Us";

    public showLoading = true;

    public errorMessage = '';

    public email: Email;

    public properties: EnvProperties = null;

    public pageContents = null;

    public divContents = null;

    public breadcrumbs: Breadcrumb[] = [{name: 'home', route: '/'}, {name: 'contact us'}];

    public contactForm: FormGroup;

    @ViewChild('AlertModal') modal;

    @ViewChild('recaptcha') recaptcha;

    private subscriptions = [];

    ngOnDestroy() {

        this.subscriptions.forEach(subscription => {

            if (subscription instanceof Subscriber) {

                subscription.unsubscribe();

            }

        });

    }

    constructor(private route: ActivatedRoute,

                private _router: Router,

                private _emailService: EmailService,

                private _meta: Meta,

                private _title: Title,

                private seoService: SEOService,

                private _piwikService: PiwikService,

                private fb: FormBuilder,

                private helper: HelperService) {

    }

    ngOnInit() {

        this._title.setTitle('OpenAIRE-Connect | Contact Us');

        this.properties = properties;

        this.email = {body: '', subject: '', recipients: []};

        if (this.properties.enablePiwikTrack && (typeof document !== 'undefined')) {

            this.subscriptions.push( this._piwikService.trackView(this.properties, this.pageTitle, this.properties.piwikSiteId).subscribe());

        }

        this.url = this.properties.domain + this._router.url;

        this.seoService.createLinkForCanonicalURL(this.url);

        this.updateUrl(this.url);

        this.updateTitle(this.pageTitle);

        this.updateDescription("Contact us to learn more about OpenAIRE Connect Research Gateways");

        this.reset();

        //this.getDivContents();

        this.getPageContents();

        this.showLoading = false;

    }

    private getPageContents() {

        this.subscriptions.push(this.helper.getPageHelpContents(this.properties, 'connect', this._router.url).subscribe(contents => {

            this.pageContents = contents;

        }));

    }

    private getDivContents() {

        this.subscriptions.push(this.helper.getDivHelpContents(this.properties, 'connect', this._router.url).subscribe(contents => {

            this.divContents = contents;

        }));

    }

    public send(event) {

        HelperFunctions.scroll();

        if(event.valid === true) {

            this.sendMail(this.properties.admins);

        } else {

            this.errorMessage = 'Please fill in all the required fields!';

        }

    }

    public reset() {

        this.contactForm = this.fb.group( {

            name: this.fb.control('', Validators.required),

            surname: this.fb.control('', Validators.required),

            email: this.fb.control('', [Validators.required, Validators.email]),

            affiliation: this.fb.control('', Validators.required),

            community: this.fb.control('', Validators.required),

            message: this.fb.control('', Validators.required),

            recaptcha: this.fb.control('', Validators.required),

        });

        this.errorMessage = '';

    }

    private sendMail(admins: any) {

        this.showLoading = true;

        this.subscriptions.push(this._emailService.contact(this.properties,

            Composer.composeEmailForNewCommunity(this.contactForm.value, admins),

          this.contactForm.value.recaptcha).subscribe(

            res => {

                this.showLoading = false;

                if (res) {

                    this.reset();

                    this.modalOpen();

                } else {

                    this.errorMessage = 'Email sent failed! Please try again.';

                    this.contactForm.get('recaptcha').setValue('');

                }

            },

            error => {

                this.handleError('Email sent failed! Please try again.', error);

                this.showLoading = false;

                this.contactForm.get('recaptcha').setValue('');

            }

        ));

    }

    public modalOpen() {

        this.modal.okButton = true;

        this.modal.alertTitle = 'Your request has been successfully submitted';

        this.modal.alertMessage = false;

        this.modal.cancelButton = false;

        this.modal.okButtonLeft = false;

        this.modal.okButtonText = 'OK';

        this.modal.open();

    }

    handleError(message: string, error) {

        this.errorMessage = message;

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

        this.showLoading = false;

    }

    public goToHome() {

        this._router.navigate(['/']);

    }

    private updateDescription(description: string) {

        this._meta.updateTag({content: description}, "name='description'");

        this._meta.updateTag({content: description}, "property='og:description'");

    }

    private updateTitle(title: string) {

        var _title = ((title.length > 50) ? title.substring(0, 50) : title);

        this._title.setTitle(_title);

        this._meta.updateTag({content: _title}, "property='og:title'");

    }

    private updateUrl(url: string) {

        this._meta.updateTag({content: url}, "property='og:url'");

    }

}