/*
 * Copyright 2016-present Open Networking Laboratory
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.opencord.cordvtn.cli;

import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.opencord.cordvtn.api.CordVtnNode;
import org.opencord.cordvtn.impl.CordVtnNodeManager;
import org.onosproject.net.Device;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.driver.DriverService;

/**
 * Checks detailed node init state.
 */
@Command(scope = "onos", name = "cordvtn-node-check",
        description = "Shows detailed node init state")
public class CordVtnNodeCheckCommand extends AbstractShellCommand {

    @Argument(index = 0, name = "hostname", description = "Hostname",
            required = true, multiValued = false)
    private String hostname = null;

    @Override
    protected void execute() {
        CordVtnNodeManager nodeManager = AbstractShellCommand.get(CordVtnNodeManager.class);
        DeviceService deviceService = AbstractShellCommand.get(DeviceService.class);

        CordVtnNode node = nodeManager.getNodes()
                .stream()
                .filter(n -> n.hostname().equals(hostname))
                .findFirst()
                .orElse(null);

        if (node == null) {
            print("Cannot find %s from registered nodes", hostname);
            return;
        }

        print(nodeManager.checkNodeInitState(node));

        print("%n[DEBUG]");
        Device device = deviceService.getDevice(node.intBrId());
        String driver = get(DriverService.class).getDriver(device.id()).name();
        print("%s available=%s driver=%s %s",
              device.id(),
              deviceService.isAvailable(device.id()),
              driver,
              device.annotations());

        deviceService.getPorts(node.intBrId()).forEach(port -> {
            Object portIsEnabled = port.isEnabled() ? "enabled" : "disabled";
            print("port=%s state=%s %s",
                  port.number(),
                  portIsEnabled,
                  port.annotations());
        });
    }
}