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

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

import PackageStore from 'Stores/Admin/Package';
import Remote from 'Remote/Admin/Ajax';

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

class PackagesAdminSettings
{
	constructor() {
		this.packagesError = ko.observable('');

		this.packages = PackageStore.packages;
		this.packagesReal = PackageStore.packagesReal;
		this.packagesMainUpdatable = PackageStore.packagesMainUpdatable;

		this.packagesCurrent = this.packages.filter((item) => item && '' !== item.installed && !item.compare);
		this.packagesAvailableForUpdate = this.packages.filter((item) => item && '' !== item.installed && !!item.compare);
		this.packagesAvailableForInstallation = this.packages.filter((item) => item && '' === item.installed);

		this.visibility = ko.computed(() => (PackageStore.packages.loading() ? 'visible' : 'hidden'));
	}

	onShow() {
		this.packagesError('');
	}

	onBuild() {
		getApp().reloadPackagesList();
	}

	requestHelper(packageToRequest, install) {
		return (result, data) => {

			if (StorageResultType.Success !== result || !data || !data.Result)
			{
				if (data && data.ErrorCode)
				{
					this.packagesError(getNotification(data.ErrorCode));
				}
				else
				{
					this.packagesError(getNotification(
						install ? Notification.CantInstallPackage : Notification.CantDeletePackage));
				}
			}

			_.each(this.packages(), (item) => {
				if (item && packageToRequest && item.loading && item.loading() && packageToRequest.file === item.file)
				{
					packageToRequest.loading(false);
					item.loading(false);
				}
			});

			if (StorageResultType.Success === result && data && data.Result && data.Result.Reload)
			{
				window.location.reload();
			}
			else
			{
				getApp().reloadPackagesList();
			}
		};
	}

	deletePackage(packageToDelete) {
		if (packageToDelete)
		{
			packageToDelete.loading(true);
			Remote.packageDelete(this.requestHelper(packageToDelete, false), packageToDelete);
		}
	}

	installPackage(packageToInstall) {
		if (packageToInstall)
		{
			packageToInstall.loading(true);
			Remote.packageInstall(this.requestHelper(packageToInstall, true), packageToInstall);
		}
	}
}

export {PackagesAdminSettings, PackagesAdminSettings as default};