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import { Component, OnInit } from '@angular/core';
import { FormControl, FormGroup } from '@angular/forms';
import { Router } from '@angular/router';
import { NotificationsService } from 'angular2-notifications';
import { ConfirmService } from '../../../core';
import { validateHost } from '../../../shared';
import { FriendService } from '../shared';
@Component({
selector: 'my-friend-add',
templateUrl: './friend-add.component.html',
styleUrls: [ './friend-add.component.scss' ]
})
export class FriendAddComponent implements OnInit {
form: FormGroup;
hosts = [ ];
error: string = null;
constructor(
private router: Router,
private notificationsService: NotificationsService,
private confirmService: ConfirmService,
private friendService: FriendService
) {}
ngOnInit() {
this.form = new FormGroup({});
this.addField();
}
addField() {
this.form.addControl(`host-${this.hosts.length}`, new FormControl('', [ validateHost ]));
this.hosts.push('');
}
canMakeFriends() {
return window.location.protocol === 'https:';
}
customTrackBy(index: number, obj: any): any {
return index;
}
displayAddField(index: number) {
return index === (this.hosts.length - 1);
}
displayRemoveField(index: number) {
return (index !== 0 || this.hosts.length > 1) && index !== (this.hosts.length - 1);
}
isFormValid() {
// Do not check the last input
for (let i = 0; i < this.hosts.length - 1; i++) {
if (!this.form.controls[`host-${i}`].valid) return false;
}
const lastIndex = this.hosts.length - 1;
// If the last input (which is not the first) is empty, it's ok
if (this.hosts[lastIndex] === '' && lastIndex !== 0) {
return true;
} else {
return this.form.controls[`host-${lastIndex}`].valid;
}
}
removeField(index: number) {
// Remove the last control
this.form.removeControl(`host-${this.hosts.length - 1}`);
this.hosts.splice(index, 1);
}
makeFriends() {
this.error = '';
const notEmptyHosts = this.getNotEmptyHosts();
if (notEmptyHosts.length === 0) {
this.error = 'You need to specify at least 1 host.';
return;
}
if (!this.isHostsUnique(notEmptyHosts)) {
this.error = 'Hosts need to be unique.';
return;
}
const confirmMessage = 'Are you sure to make friends with:<br /> - ' + notEmptyHosts.join('<br /> - ');
this.confirmService.confirm(confirmMessage, 'Make friends').subscribe(
res => {
if (res === false) return;
this.friendService.makeFriends(notEmptyHosts).subscribe(
status => {
this.notificationsService.success('Sucess', 'Make friends request sent!');
this.router.navigate([ '/admin/friends/list' ]);
},
err => this.notificationsService.error('Error', err.text)
);
}
);
}
private getNotEmptyHosts() {
const notEmptyHosts = [];
Object.keys(this.form.value).forEach((hostKey) => {
const host = this.form.value[hostKey];
if (host !== '') notEmptyHosts.push(host);
});
return notEmptyHosts;
}
private isHostsUnique(hosts: string[]) {
return hosts.every(host => hosts.indexOf(host) === hosts.lastIndexOf(host));
}
}
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