/*******************************************************************************
 * Copyright (c) 2009, 2010 Progress Software Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 ******************************************************************************/
// Copyright (c) 2009 Progress Software Corporation.  
package org.fusesource.tools.messaging.utils;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.wst.server.core.IServer;
import org.fusesource.tools.core.message.Message;
import org.fusesource.tools.messaging.MessagingException;
import org.fusesource.tools.messaging.cnf.model.BaseGroupComponent;
import org.fusesource.tools.messaging.cnf.model.SenderComponent;
import org.fusesource.tools.messaging.core.IConnection;
import org.fusesource.tools.messaging.core.IDestination;
import org.fusesource.tools.messaging.core.ISender;
import org.fusesource.tools.messaging.server.MessagingServersUtil;

public class SenderUtils {

    public static void sendMessage(IFile fileToSend, SenderComponent senderComponent) throws MessagingException {
        if (!validateSend(senderComponent)) {
            return;
        }
        Message loadedMsg = MessageLoader.getLoadedMessage(fileToSend, senderComponent.getSender());
        sendLoadedMessage(loadedMsg, senderComponent.getSender());
    }

    public static void sendMessage(String fileToSend, SenderComponent senderComponent) throws MessagingException {
        if (!validateSend(senderComponent)) {
            return;
        }
        Message loadedMsg = MessageLoader.getLoadedMessage(fileToSend, senderComponent.getSender());
        sendLoadedMessage(loadedMsg, senderComponent.getSender());
    }

    private static void sendLoadedMessage(Message loadedMsg, ISender sender) throws MessagingException {
        if (loadedMsg != null) {
            sender.send(loadedMsg);
        } else {
            throw new MessagingException(
                    "Failed to send the Message. The Message file may be corrupted or the file type not supported.");
        }
    }

    private static boolean validateSend(SenderComponent senderComponent) {
        IProject sendingFromProject = ((BaseGroupComponent) senderComponent.getParent()).getFile().getProject();
        IServer deployedServer = MessagingServersUtil.getDeployedServer(sendingFromProject);
        if (deployedServer == null) {
            MessageDialog.openWarning(Display.getCurrent().getActiveShell(), "Warning",
                    "Project is not deployed on any messaging server. Ensure to add the project and try again.");
            return false;
        } else if (!hasActiveConnection(senderComponent.getSender())) {
            MessageDialog.openWarning(Display.getCurrent().getActiveShell(), "Warning",
                    "Connection is unavailable. Please connect to the server and try again.");
            return false;
        }
        return true;
    }

    public static boolean hasActiveConnection(ISender sender) {
        IDestination destination = sender.getDestination();
        if (destination != null) {
            IConnection connection = destination.getConnection();
            if (connection != null && connection.isActive()) {
                return true;
            }
        }
        return false;
    }

}