/**
 * UPnP PortMapper - A tool for managing port forwardings via UPnP
 * Copyright (C) 2015 Christoph Pirkl <christoph at users.sourceforge.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.chris.portmapper.router.cling.action;

import java.net.URL;

import org.chris.portmapper.router.cling.ClingOperationFailedException;
import org.chris.portmapper.router.cling.ClingRouterException;
import org.fourthline.cling.controlpoint.ControlPoint;
import org.fourthline.cling.model.action.ActionInvocation;
import org.fourthline.cling.model.message.control.IncomingActionResponseMessage;
import org.fourthline.cling.model.meta.RemoteService;
import org.fourthline.cling.protocol.sync.SendingAction;

public class ActionService {
    private final RemoteService remoteService;
    private final ControlPoint controlPoint;

    public ActionService(final RemoteService remoteService, final ControlPoint controlPoint) {
        this.remoteService = remoteService;
        this.controlPoint = controlPoint;
    }

    public <T> T run(final ClingAction<T> action) {
        // Figure out the remote URL where we'd like to send the action request to
        final URL controLURL = remoteService.getDevice().normalizeURI(remoteService.getControlURI());

        final ActionInvocation<RemoteService> actionInvocation = action.getActionInvocation();
        final SendingAction prot = controlPoint.getProtocolFactory().createSendingAction(actionInvocation, controLURL);
        prot.run();

        final IncomingActionResponseMessage response = prot.getOutputMessage();
        if (response == null) {
            throw new ClingRouterException("Got null response for action " + actionInvocation);
        } else if (response.getOperation().isFailed()) {
            throw new ClingOperationFailedException("Invocation " + actionInvocation + " failed with operation '"
                    + response.getOperation() + "', body '" + response.getBodyString() + "'", response);
        }
        return action.convert(actionInvocation);
    }

    public RemoteService getService() {
        return remoteService;
    }
}
