import ko from 'ko';
import _ from '_';

import {
	trim, createCommand,
	triggerAutocompleteInputChange
} from 'Common/Utils';

import {StorageResultType, Notification, Magics} from 'Common/Enums';
import {getNotification} from 'Common/Translator';

import * as Settings from 'Storage/Settings';

import Remote from 'Remote/Admin/Ajax';

import {getApp} from 'Helper/Apps/Admin';

import {view, ViewType, routeOff} from 'Knoin/Knoin';
import {AbstractViewNext} from 'Knoin/AbstractViewNext';

@view({
	name: 'View/Admin/Login',
	type: ViewType.Center,
	templateID: 'AdminLogin'
})
class LoginAdminView extends AbstractViewNext
{
	constructor() {
		super();

		this.logoPowered = !!Settings.settingsGet('LoginPowered');

		this.mobile = !!Settings.appSettingsGet('mobile');
		this.mobileDevice = !!Settings.appSettingsGet('mobileDevice');

		this.login = ko.observable('');
		this.password = ko.observable('');

		this.loginError = ko.observable(false);
		this.passwordError = ko.observable(false);

		this.loginErrorAnimation = ko.observable(false).extend({'falseTimeout': 500});
		this.passwordErrorAnimation = ko.observable(false).extend({'falseTimeout': 500});

		this.loginFocus = ko.observable(false);

		this.formHidden = ko.observable(false);

		this.formError = ko.computed(() => this.loginErrorAnimation() || this.passwordErrorAnimation());

		this.login.subscribe(() => this.loginError(false));

		this.password.subscribe(() => this.passwordError(false));

		this.loginError.subscribe((v) => this.loginErrorAnimation(!!v));

		this.passwordError.subscribe((v) => {
			this.passwordErrorAnimation(!!v);
		});

		this.submitRequest = ko.observable(false);
		this.submitError = ko.observable('');

		this.submitCommand = createCommand(() => {

			triggerAutocompleteInputChange();

			this.loginError(false);
			this.passwordError(false);

			this.loginError('' === trim(this.login()));
			this.passwordError('' === trim(this.password()));

			if (this.loginError() || this.passwordError())
			{
				return false;
			}

			this.submitRequest(true);

			Remote.adminLogin((sResult, oData) => {

				if (StorageResultType.Success === sResult && oData && 'AdminLogin' === oData.Action)
				{
					if (oData.Result)
					{
						getApp().loginAndLogoutReload(true);
					}
					else if (oData.ErrorCode)
					{
						this.submitRequest(false);
						this.submitError(getNotification(oData.ErrorCode));
					}
				}
				else
				{
					this.submitRequest(false);
					this.submitError(getNotification(Notification.UnknownError));
				}

			}, this.login(), this.password());

			return true;

		}, () => !this.submitRequest());
	}

	onShow() {

		routeOff();

		_.delay(() => {
			this.loginFocus(true);
		}, Magics.Time100ms);
	}

	onHide() {
		this.loginFocus(false);
	}

	onBuild() {
		triggerAutocompleteInputChange(true);
	}

	submitForm() {
		this.submitCommand();
	}
}

export {LoginAdminView, LoginAdminView as default};