/*
Copyright 2017 Red Hat, Inc.

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.jboss.as.cli.impl.aesh.cmd.security.ssl;

import java.io.IOException;
import org.aesh.command.Command;
import org.aesh.command.CommandDefinition;
import org.aesh.command.CommandException;
import org.aesh.command.CommandResult;
import org.aesh.command.option.Option;
import org.jboss.as.cli.CommandContext;
import org.jboss.as.cli.CommandFormatException;
import org.jboss.as.cli.Util;
import org.jboss.as.cli.impl.aesh.cmd.security.HttpServerCommandActivator;
import org.jboss.as.cli.impl.aesh.cmd.security.SecurityCommand;
import static org.jboss.as.cli.impl.aesh.cmd.security.SecurityCommand.OPT_DEFAULT_SERVER_SSL_CONTEXT;
import static org.jboss.as.cli.impl.aesh.cmd.security.SecurityCommand.OPT_HTTPS_LISTENER_NAME;
import static org.jboss.as.cli.impl.aesh.cmd.security.SecurityCommand.OPT_NO_RELOAD;
import static org.jboss.as.cli.impl.aesh.cmd.security.SecurityCommand.OPT_REMOVE_HTTPS_LISTENER;
import static org.jboss.as.cli.impl.aesh.cmd.security.SecurityCommand.OPT_SERVER_NAME;
import org.jboss.as.cli.impl.aesh.cmd.security.SecurityCommand.OptionCompleters;
import org.jboss.as.cli.impl.aesh.cmd.security.model.DefaultResourceNames;
import org.jboss.as.cli.impl.aesh.cmd.security.model.HTTPServer;
import org.jboss.as.cli.operation.OperationFormatException;
import org.jboss.dmr.ModelNode;
import org.wildfly.core.cli.command.DMRCommand;
import org.wildfly.core.cli.command.aesh.CLICommandInvocation;

/**
 *
 * @author jdenise@redhat.com
 */
@CommandDefinition(name = "disable-ssl-http-server", description = "", activator = HttpServerCommandActivator.class)
public class HTTPServerDisableSSLCommand implements Command<CLICommandInvocation>, DMRCommand {
    @Option(name = OPT_NO_RELOAD, hasValue = false)
    boolean noReload;

    @Option(name = OPT_SERVER_NAME, completer = OptionCompleters.ServerNameCompleter.class)
    String serverName;

    @Option(name = OPT_REMOVE_HTTPS_LISTENER,
            hasValue = false)
    boolean removeHttpsListener;

    @Option(name = OPT_HTTPS_LISTENER_NAME,
            completer = OptionCompleters.HTTPSListenerCompleter.class,
            defaultValue = Util.HTTPS)
    String httpsListener;

    @Option(name = OPT_DEFAULT_SERVER_SSL_CONTEXT,
            hasValue = true, defaultValue = Util.APPLICATION_SERVER_SSL_CONTEXT)
    String defaultAppSSLContext;

    public String getServerName(CommandContext ctx) {
        String sName = serverName;
        if (sName == null) {
            sName = DefaultResourceNames.getDefaultServerName(ctx);
        }
        return sName;
    }

    @Override
    public CommandResult execute(CLICommandInvocation commandInvocation) throws CommandException, InterruptedException {
        CommandContext ctx = commandInvocation.getCommandContext();
        try {
            serverName = getServerName(ctx);
            if (!HTTPServer.hasHttpsListener(ctx, serverName, httpsListener)) {
                throw new CommandException("No HTTPS Listener named "+ httpsListener + " found in " + serverName);
            }
        } catch (OperationFormatException | IOException ex) {
            throw new CommandException(ex);
        }
        ModelNode request;
        try {
            request = buildRequest(ctx);
        } catch (CommandFormatException ex) {
            throw new CommandException(ex.getLocalizedMessage(), ex);
        }
        SecurityCommand.execute(ctx, request, SecurityCommand.DEFAULT_FAILURE_CONSUMER, noReload);
        ctx.printLine("SSL disabled for " + serverName);
        if (removeHttpsListener) {
            ctx.printLine("HTTPS listener " + httpsListener + " has been removed");
        }
        return CommandResult.SUCCESS;
    }

    @Override
    public ModelNode buildRequest(CommandContext context) throws CommandFormatException {
        ModelNode composite = new ModelNode();
        composite.get(Util.OPERATION).set(Util.COMPOSITE);
        composite.get(Util.ADDRESS).setEmptyList();
        try {
            // Check that we are not disabling the default one.
            if (!HTTPServer.isLegacySecurityRealmSupported(context) && !removeHttpsListener) {
                if (defaultAppSSLContext.equals(HTTPServer.getSSLContextName(serverName, httpsListener, context))) {
                    throw new CommandFormatException("The SSL Context " + defaultAppSSLContext + " is already set on "
                            + httpsListener + " HTTPS listener");
                }
            }
            serverName = HTTPServer.disableSSL(context,
                    serverName, removeHttpsListener, httpsListener, defaultAppSSLContext, composite.get(Util.STEPS));
        } catch (Exception ex) {
            throw new CommandFormatException(ex.getLocalizedMessage() == null
                    ? ex.toString() : ex.getLocalizedMessage(), ex);
        }
        return composite;
    }

}
