/*
 * This file is part of Cockpit.
 *
 * Copyright (C) 2019 Red Hat, Inc.
 *
 * Cockpit is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * Cockpit is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
 */

import cockpit from "cockpit";
import React from "react";
import { install_dialog } from "cockpit-components-install-dialog.jsx";

import { SidePanel } from "./side-panel.jsx";
import { create_mdraid, mdraid_rows } from "./mdraids-panel.jsx";
import { create_vgroup, vgroup_rows } from "./vgroups-panel.jsx";
import { vdo_feature, create_vdo, vdo_rows } from "./vdos-panel.jsx";
import { StorageBarMenu, StorageMenuItem } from "./storage-controls.jsx";

const _ = cockpit.gettext;

export class ThingsPanel extends React.Component {
    render() {
        const { client } = this.props;

        // See OptionalPanel for a description of the "feature"
        // argument here.

        function menu_item(feature, title, action) {
            const feature_enabled = !feature || feature.is_enabled();
            const required_package = feature && feature.package;

            if (!feature_enabled && !(required_package && client.features.packagekit))
                return null;

            function install_then_action() {
                if (!feature_enabled) {
                    install_dialog(required_package, feature.dialog_options).then(
                        () => {
                            feature.enable().then(action);
                        },
                        () => null /* ignore cancel */);
                } else {
                    action();
                }
            }

            return <StorageMenuItem key={title} onClick={install_then_action}>{title}</StorageMenuItem>;
        }

        const lvm2_feature = {
            is_enabled: () => client.features.lvm2
        };

        const actions = (
            <StorageBarMenu id="devices-menu" label={_("Create devices")} menuItems={[
                menu_item(null, _("Create RAID device"), () => create_mdraid(client)),
                menu_item(lvm2_feature, _("Create volume group"), () => create_vgroup(client)),
                menu_item(vdo_feature(client), _("Create VDO device"), () => create_vdo(client))].filter(item => item !== null)} />
        );

        var devices = [].concat(
            mdraid_rows(client),
            vgroup_rows(client),
            vdo_rows(client));

        return (
            <SidePanel id="devices"
                       title={_("Devices")}
                       actions={actions}
                       empty_text={_("No devices")}
                       show_all_text={cockpit.format(cockpit.ngettext("Show $0 device", "Show all $0 devices", devices.length), devices.length)}
                       client={client}>
                { devices }
            </SidePanel>
        );
    }
}
