/*
 *------------------------------------------------------------------------------
 *  Copyright (C) 2006-2016 University of Dundee & Open Microscopy Environment.
 *  All rights reserved.
 *
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *------------------------------------------------------------------------------
 */
package training;

import java.util.List;

import omero.gateway.Gateway;
import omero.gateway.LoginCredentials;
import omero.gateway.SecurityContext;
import omero.gateway.facility.MetadataFacility;
import omero.log.SimpleLogger;
import omero.model.ImageI;
import omero.gateway.model.ChannelData;
import omero.gateway.model.ExperimenterData;
import omero.gateway.model.ImageAcquisitionData;

/** 
 * Sample code showing how to load image metadata
 *
 * @author Jean-Marie Burel     
 * <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
 * @since Beta4.3.2
 */
public class LoadMetadataAdvanced 
{

    //The value used if the configuration file is not used. To edit*/
    /** The server address.*/
    private static String hostName = "serverName";

    /** The username.*/
    private static String userName = "userName";

    /** The password.*/
    private static String password = "password";

    private static long imageId = 1;
    //end edit

    private Gateway gateway;

    private SecurityContext ctx;

    /**
     * Load the image acquisition data.
     *
     * @param imageId The image's id.
     */
    private void loadAcquisitionData(long imageId)
            throws Exception
    {
        MetadataFacility mdf = gateway.getFacility(MetadataFacility.class);
        ImageAcquisitionData image = mdf.getImageAcquisitionData(ctx, imageId);
        System.err.println(image.getHumidity());
    }

    /**
     * Load the channel data.
     *
     * @param imageId The image's id.
     */
    private void loadChannelData(long imageId)
            throws Exception
    {
        MetadataFacility mdf = gateway.getFacility(MetadataFacility.class);

        List<ChannelData> data = mdf.getChannelData(ctx, imageId);
        for(ChannelData c : data) {
            System.out.println(c.getIndex());
        }
    }

    /**
     * Connects and invokes the various methods.
     *
     * @param args The login credentials.
     * @param imageId The image id.
     */
    LoadMetadataAdvanced(String[] args, long imageId)
    {
        LoginCredentials cred = new LoginCredentials(args);
        gateway = new Gateway(new SimpleLogger());
        try {
            //First connect.
            ExperimenterData user = gateway.connect(cred);
            ctx = new SecurityContext(user.getGroupId());
            loadAcquisitionData(imageId);
            loadChannelData(imageId);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                gateway.disconnect(); // Be sure to disconnect
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * Runs the script without configuration options.
     *
     * @param args The login credentials.
     */
    public static void main(String[] args)
    {
        if (args == null || args.length == 0)
            args = new String[] { "--omero.host=" + hostName,
                "--omero.user=" + userName, "--omero.pass=" + password };

        new LoadMetadataAdvanced(args, imageId);
        System.exit(0);
    }
}