package jmri.jmrit.roster;

import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import jmri.beans.BeanUtil;
import jmri.jmrit.roster.rostergroup.RosterGroupSelector;
import jmri.jmrit.roster.swing.RosterFrame;
import jmri.util.FileUtil;
import jmri.util.StringUtil;
import jmri.util.davidflanagan.HardcopyWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Action to print a very compact summary listing of the Roster contents.
 * <p>
 * This uses the older style printing, for compatibility with Java 1.1.8 in
 * Macintosh MRJ
 *
 * @author Bob Jacobsen Copyright (C) 2003
 * @author Dennis Miller Copyright (C) 2005
 * @author Egbert Broerse Copyright (C) 2018
 */
public class PrintListAction extends jmri.util.swing.JmriAbstractAction {

    public PrintListAction(String s, jmri.util.swing.WindowInterface wi) {
        super(s, wi);
        isPreview = true;
    }

    public PrintListAction(String s, javax.swing.Icon i, jmri.util.swing.WindowInterface wi) {
        super(s, i, wi);
        isPreview = true;
    }

    public PrintListAction(String actionName, Frame frame, boolean preview) {
        super(actionName);
        mFrame = frame;
        isPreview = preview;
    }

    public void setPreview(boolean preview) {
        isPreview = preview;
    }

    /**
     * Frame hosting the printing.
     */
    Frame mFrame = new Frame();

    /**
     * Variable to set whether this is to be printed or previewed.
     */
    boolean isPreview;

    @Override
    public void actionPerformed(ActionEvent e) {
        // obtain a HardcopyWriter to do this
        Roster r = Roster.getDefault();
        String title = Bundle.getMessage("TitleDecoderProRoster");
        String rosterGroup = r.getDefaultRosterGroup();
        // rosterGroup may legitimately be null
        // but getProperty returns null if the property cannot be found, so
        // we test that the property exists before attempting to get its value
        if (BeanUtil.hasProperty(wi, RosterGroupSelector.SELECTED_ROSTER_GROUP)) {
            rosterGroup = (String) BeanUtil.getProperty(wi, RosterGroupSelector.SELECTED_ROSTER_GROUP);
        }
        if (rosterGroup == null) {
            title = title + " " + Bundle.getMessage("ALLENTRIES");
        } else {
            title = title + " " + Bundle.getMessage("TitleGroup") + " " + Bundle.getMessage("TitleEntries", rosterGroup);
        }
        try ( HardcopyWriter writer = new HardcopyWriter(mFrame, title, 10, .5, .5, .5, .5, isPreview); ) {

            // add the image
            ImageIcon icon = new ImageIcon(FileUtil.findURL("resources/decoderpro.gif", FileUtil.Location.INSTALLED));
            // we use an ImageIcon because it's guaranteed to have been loaded when ctor is complete
            writer.write(icon.getImage(), new JLabel(icon));
            // add a number of blank lines, so that the roster entry starts below the decoderpro logo
            int height = icon.getImage().getHeight(null);
            int blanks = (height - writer.getLineAscent()) / writer.getLineHeight();

            try {
                for (int i = 0; i < blanks; i++) {
                    String s = "\n";
                    writer.write(s, 0, s.length());
                }
            } catch (IOException ex) {
                log.warn("error during printing", ex);
            }

            // Loop through the Roster, printing a 1 line list entry as needed
            List<RosterEntry> l;

            if ( BeanUtil.hasProperty(wi, "allRosterEntries")) {
                l = Arrays.asList(((RosterFrame)wi).getAllRosterEntries());
            } else {
                l = r.matchingList(null, null, null, null, null, null, null); // take all
            }
            log.debug("Roster list size: {}", l.size());

            // print table column headers, match column order + widths with RosterEntry#PrintEntryLine
            // fields copied from RosterTableModel#getColumnName(int)
            String headerText = "";
            // IDCOL (= Filename)
            headerText += StringUtil.padString(Bundle.getMessage("FieldID"), 15);
            // ADDRESSCOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldDCCAddress"), 6);
            // ROADNAMECOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldRoadName"), 6);
            // ROADNUMBERCOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldRoadNumber"), 6);
            // MFGCOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldManufacturer"), 6);
            // MODELCOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldModel"), 10);
            // DECODERCOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldDecoderModel"), 10);
            // PROTOCOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldProtocol"), 12);
            // OWNERCOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldOwner"), 6);
            // DATEUPDATECOL:
            headerText += StringUtil.padString(Bundle.getMessage("FieldDateUpdated"), 10);

            try {
                // start a new line
                writer.write("\n", 0, 1);
                writer.write(headerText);
            } catch (IOException ex) {
                log.warn("error during printing", ex);
            }

            for (RosterEntry re : l) {
                if (rosterGroup != null) {
                    if (re.getAttribute(Roster.getRosterGroupProperty(rosterGroup)) != null
                            && re.getAttribute(Roster.getRosterGroupProperty(rosterGroup)).equals("yes")) {
                        re.printEntryLine(writer);
                    }
                } else {
                    re.printEntryLine(writer);
                }
            }

            // and force completion of the printing
            // writer.close(); not needed when using try / catch
        } catch (HardcopyWriter.PrintCanceledException ex) {
            log.debug("Print cancelled");
        }
    }

    // never invoked, because we overrode actionPerformed above
    @Override
    public jmri.util.swing.JmriPanel makePanel() {
        throw new IllegalArgumentException("Should not be invoked");
    }

    @Override
    public void setParameter(String parameter, String value) {
        parameter = parameter.toLowerCase();
        value = value.toLowerCase();
        if (parameter.equals("ispreview")) {
            isPreview = value.equals("true");
        }
    }

    private final static Logger log = LoggerFactory.getLogger(PrintListAction.class);

}