/**
 * 
 */
package com.onaro.sanscreen.client.view.actions;

import java.io.File;

import javax.swing.JComponent;

import org.apache.commons.lang3.StringUtils;

import com.onaro.client.leekui.jface.dialogs.ValidatableDialogPage;
import com.onaro.commons.swing.OnaroSwingUtilities;

import javax.swing.JPanel;
import java.awt.GridBagLayout;
import java.awt.Dimension;
import javax.swing.JLabel;
import java.awt.GridBagConstraints;

import javax.swing.JFileChooser;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JRadioButton;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.filechooser.FileFilter;
import javax.swing.JCheckBox;
import java.awt.FlowLayout;

public class ExportGroupingTableToCSVOptionsDialogPage extends ValidatableDialogPage {
    
    private boolean initialValid = true;
        
    private JPanel contentsPanel = null;  //  @jve:decl-index=0:visual-constraint="55,45"
    private JLabel fileNameLabel = null;
    private JTextField fileNameTextField = null;
    private JButton fileBrowseButton = null;
    private JLabel exportRowsLabel = null;
    private JRadioButton allRowsRadioButton = null;
    private JRadioButton selectedRowsRadioButton = null;
    private JLabel exportColunnsLabel = null;
    private JRadioButton allColumnsRadioButton = null;
    private JRadioButton visibleColumnsRadioButton = null;
    private JPanel optionsPanel = null;
    private JLabel spacerLabel = null;
    private JLabel spacer2Label = null;
    private JCheckBox includeHeaderCheckBox = null;
    private ButtonGroup rowsButtonGroup = null;  //  @jve:decl-index=0:visual-constraint="561,126"
    private ButtonGroup columnsButtonGroup = null;  //  @jve:decl-index=0:visual-constraint="561,203"
    private JFileChooser fileChooser = null;  //  @jve:decl-index=0:visual-constraint="689,270"

    private JPanel checkPanel = null;

    private JCheckBox utf8EncodeCheckBox = null;

    public ExportGroupingTableToCSVOptionsDialogPage(String tableName) {
        setTitle(Messages.INSTANCE.getExportTableDialogHeader(tableName));
        setDescription(Messages.INSTANCE.getExportTableDialogDesc());
        setIcon(Resources.INSTANCE.getExportTableBannerIcon());
    }

    @Override
    protected JComponent createComponent() {
        return getContentsPanel();
    }

    public boolean isPageValid() {        
        boolean valid = getExportFile() != null;
        
        if (!initialValid) {
            String errorMessage = valid ? null : Messages.INSTANCE.getExportTableFileInvalidError();
            setErrorMessage(errorMessage);
            getContainer().updateMessage();
        }
        initialValid = false;
        
        return valid;
    }
    
    public File getExportFile() {
        if (StringUtils.isBlank(getExportFileName())) {
            return null;
        }
        File f = new File(getExportFileName());
        if (f.isDirectory()) {
            return null;
        }
        if (f.exists() && !f.canWrite()) {
            return null;
        }
        return f;
    }

    public String getExportFileName() {
        return getFileNameTextField().getText();
    }

    public boolean getExportSelectedOnly() {
        return getSelectedRowsRadioButton().isSelected();
    }

    public boolean getExportAllColumns() {
        return getAllColumnsRadioButton().isSelected();
    }
    
    public boolean getIncludeHeaderRow() {
        return getIncludeHeaderCheckBox().isSelected();
    }
    
    public boolean getUseUtf8Encoding() {
        return getUtf8EncodeCheckBox().isSelected();
    }
    
    private void doSelectFile() {
        File existingSelection = getExportFile();
        if (existingSelection != null) {
            getFileChooser().setSelectedFile(existingSelection);
        }
        int result = getFileChooser().showSaveDialog(getContentsPanel());
        if (result == JFileChooser.APPROVE_OPTION) {
            File file = getFileChooser().getSelectedFile();
            String fileName = file.getPath();
            if (fileName.indexOf('.') == -1) {
                fileName = fileName + ".csv"; //$NON-NLS-1$
            }
            getFileNameTextField().setText(fileName);
        }
    }
    
    private void doFileChanged() {
        getContainer().updateButtons();
    }

    /**
     * This method initializes contentsPanel	
     * 	
     * @return javax.swing.JPanel	
     */
    private JPanel getContentsPanel() {
        if (contentsPanel == null) {
            GridBagConstraints gridBagConstraints11 = new GridBagConstraints();
            gridBagConstraints11.gridx = 0;
            gridBagConstraints11.fill = GridBagConstraints.BOTH;
            gridBagConstraints11.weighty = 1.0;
            gridBagConstraints11.gridy = 3;
            spacer2Label = new JLabel();
            GridBagConstraints gridBagConstraints9 = new GridBagConstraints();
            gridBagConstraints9.gridx = 0;
            gridBagConstraints9.gridwidth = 3;
            gridBagConstraints9.fill = GridBagConstraints.HORIZONTAL;
            gridBagConstraints9.anchor = GridBagConstraints.WEST;
            gridBagConstraints9.weightx = 1.0;
            gridBagConstraints9.insets = new Insets(10, 10, 10, 10);
            gridBagConstraints9.gridy = 0;
            exportColunnsLabel = new JLabel();
            exportColunnsLabel.setText(Messages.INSTANCE.getExportTableExportColumnsLabel());
            exportRowsLabel = new JLabel();
            exportRowsLabel.setText(Messages.INSTANCE.getExportTableExportRowsLabel());
            GridBagConstraints gridBagConstraints2 = new GridBagConstraints();
            gridBagConstraints2.gridx = 2;
            gridBagConstraints2.insets = new Insets(5, 0, 10, 10);
            gridBagConstraints2.gridy = 2;
            GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
            gridBagConstraints1.fill = GridBagConstraints.HORIZONTAL;
            gridBagConstraints1.gridy = 2;
            gridBagConstraints1.weightx = 1.0;
            gridBagConstraints1.insets = new Insets(5, 0, 10, 5);
            gridBagConstraints1.gridx = 1;
            GridBagConstraints gridBagConstraints = new GridBagConstraints();
            gridBagConstraints.gridx = 0;
            gridBagConstraints.insets = new Insets(5, 10, 10, 5);
            gridBagConstraints.gridy = 2;
            fileNameLabel = new JLabel();
            fileNameLabel.setText(Messages.INSTANCE.getExportTableExportFileLabel());
            contentsPanel = new JPanel();
            contentsPanel.setLayout(new GridBagLayout());
            contentsPanel.setSize(new Dimension(450, 250));
            contentsPanel.add(fileNameLabel, gridBagConstraints);
            contentsPanel.add(getFileNameTextField(), gridBagConstraints1);
            contentsPanel.add(getFileBrowseButton(), gridBagConstraints2);
            contentsPanel.add(getOptionsPanel(), gridBagConstraints9);
            contentsPanel.add(spacer2Label, gridBagConstraints11);
        }
        return contentsPanel;
    }

    /**
     * This method initializes fileNameTextField	
     * 	
     * @return javax.swing.JTextField	
     */
    private JTextField getFileNameTextField() {
        if (fileNameTextField == null) {
            fileNameTextField = new JTextField();
            fileNameTextField.setName("fileNameTextField"); //$NON-NLS-1$
            fileNameTextField.getDocument().addDocumentListener(new DocumentListener() {
                public void changedUpdate(DocumentEvent e) {
                    doFileChanged();
                }

                public void insertUpdate(DocumentEvent e) {
                    doFileChanged();
                }

                public void removeUpdate(DocumentEvent e) {
                    doFileChanged();
                }
            });
        }
        return fileNameTextField;
    }

    /**
     * This method initializes fileBrowseButton	
     * 	
     * @return javax.swing.JButton	
     */
    private JButton getFileBrowseButton() {
        if (fileBrowseButton == null) {
            fileBrowseButton = new JButton();
            fileBrowseButton.setName("fileBrowseButton"); //$NON-NLS-1$
            fileBrowseButton.setText(Messages.INSTANCE.getExportTableExportFileBrowseButton());
            fileBrowseButton.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    doSelectFile();
                }
            });
        }
        return fileBrowseButton;
    }

    /**
     * This method initializes allRowsRadioButton	
     * 	
     * @return javax.swing.JRadioButton	
     */
    private JRadioButton getAllRowsRadioButton() {
        if (allRowsRadioButton == null) {
            allRowsRadioButton = new JRadioButton();
            allRowsRadioButton.setName("allRowsRadioButton"); //$NON-NLS-1$
            allRowsRadioButton.setText(Messages.INSTANCE.getExportTableExportAllRowsOption());
            getRowsButtonGroup().add(allRowsRadioButton);
            allRowsRadioButton.setSelected(true);
        }
        return allRowsRadioButton;
    }

    /**
     * This method initializes selectedRowsRadioButton	
     * 	
     * @return javax.swing.JRadioButton	
     */
    private JRadioButton getSelectedRowsRadioButton() {
        if (selectedRowsRadioButton == null) {
            selectedRowsRadioButton = new JRadioButton();
            selectedRowsRadioButton.setName("selectedRowsRadioButton"); //$NON-NLS-1$
            selectedRowsRadioButton.setText(Messages.INSTANCE.getExportTableExportSelectedRowsOption());
            getRowsButtonGroup().add(selectedRowsRadioButton);
        }
        return selectedRowsRadioButton;
    }

    /**
     * This method initializes allColumnsRadioButton	
     * 	
     * @return javax.swing.JRadioButton	
     */
    private JRadioButton getAllColumnsRadioButton() {
        if (allColumnsRadioButton == null) {
            allColumnsRadioButton = new JRadioButton();
            allColumnsRadioButton.setName("allColumnsRadioButton"); //$NON-NLS-1$
            allColumnsRadioButton.setText(Messages.INSTANCE.getExportTableExportAllColumnsOption());
            getColumnsButtonGroup().add(allColumnsRadioButton);
        }
        return allColumnsRadioButton;
    }

    /**
     * This method initializes visibleColumnsRadioButton	
     * 	
     * @return javax.swing.JRadioButton	
     */
    private JRadioButton getVisibleColumnsRadioButton() {
        if (visibleColumnsRadioButton == null) {
            visibleColumnsRadioButton = new JRadioButton();
            visibleColumnsRadioButton.setName("visibleColumnsRadioButton"); //$NON-NLS-1$
            visibleColumnsRadioButton.setText(Messages.INSTANCE.getExportTableExportVisibleColumnsOption());
            getColumnsButtonGroup().add(visibleColumnsRadioButton);
            visibleColumnsRadioButton.setSelected(true);
        }
        return visibleColumnsRadioButton;
    }

    /**
     * This method initializes optionsPanel	
     * 	
     * @return javax.swing.JPanel	
     */
    private JPanel getOptionsPanel() {
        if (optionsPanel == null) {
            GridBagConstraints gridBagConstraints12 = new GridBagConstraints();
            gridBagConstraints12.gridx = 0;
            gridBagConstraints12.gridwidth = 4;
            gridBagConstraints12.gridy = 2;
            GridBagConstraints gridBagConstraints10 = new GridBagConstraints();
            gridBagConstraints10.gridx = 3;
            gridBagConstraints10.weightx = 1.0;
            gridBagConstraints10.gridy = 0;
            spacerLabel = new JLabel();
            GridBagConstraints gridBagConstraints8 = new GridBagConstraints();
            gridBagConstraints8.gridx = 2;
            gridBagConstraints8.insets = OnaroSwingUtilities.NO_INSETS;
            gridBagConstraints8.anchor = GridBagConstraints.WEST;
            gridBagConstraints8.gridy = 1;
            GridBagConstraints gridBagConstraints7 = new GridBagConstraints();
            gridBagConstraints7.gridx = 1;
            gridBagConstraints7.insets = new Insets(0, 0, 0, 5);
            gridBagConstraints7.anchor = GridBagConstraints.WEST;
            gridBagConstraints7.gridy = 1;
            GridBagConstraints gridBagConstraints5 = new GridBagConstraints();
            gridBagConstraints5.gridx = 2;
            gridBagConstraints5.insets = OnaroSwingUtilities.NO_INSETS;
            gridBagConstraints5.anchor = GridBagConstraints.WEST;
            gridBagConstraints5.gridy = 0;
            GridBagConstraints gridBagConstraints4 = new GridBagConstraints();
            gridBagConstraints4.gridx = 1;
            gridBagConstraints4.insets = new Insets(0, 0, 0, 5);
            gridBagConstraints4.anchor = GridBagConstraints.WEST;
            gridBagConstraints4.gridy = 0;
            GridBagConstraints gridBagConstraints6 = new GridBagConstraints();
            gridBagConstraints6.gridx = 0;
            gridBagConstraints6.anchor = GridBagConstraints.WEST;
            gridBagConstraints6.insets = new Insets(0, 0, 0, 5);
            gridBagConstraints6.gridy = 1;
            GridBagConstraints gridBagConstraints3 = new GridBagConstraints();
            gridBagConstraints3.gridx = 0;
            gridBagConstraints3.anchor = GridBagConstraints.WEST;
            gridBagConstraints3.insets = new Insets(0, 0, 0, 5);
            gridBagConstraints3.gridy = 0;
            optionsPanel = new JPanel();
            optionsPanel.setLayout(new GridBagLayout());
            optionsPanel.add(exportRowsLabel, gridBagConstraints3);
            optionsPanel.add(exportColunnsLabel, gridBagConstraints6);
            optionsPanel.add(getAllRowsRadioButton(), gridBagConstraints4);
            optionsPanel.add(getSelectedRowsRadioButton(), gridBagConstraints5);
            optionsPanel.add(getAllColumnsRadioButton(), gridBagConstraints7);
            optionsPanel.add(getVisibleColumnsRadioButton(), gridBagConstraints8);
            optionsPanel.add(spacerLabel, gridBagConstraints10);
            optionsPanel.add(getCheckPanel(), gridBagConstraints12);
        }
        return optionsPanel;
    }
    
    /**
     * This method initializes includeHeaderCheckBox    
     *  
     * @return javax.swing.JCheckBox    
     */
    private JCheckBox getIncludeHeaderCheckBox() {
        if (includeHeaderCheckBox == null) {
            includeHeaderCheckBox = new JCheckBox();
            includeHeaderCheckBox.setName("includeHeaderCheckBox"); //$NON-NLS-1$
            includeHeaderCheckBox.setText(Messages.INSTANCE.getExportTableIncludeHeaderOption());
            includeHeaderCheckBox.setSelected(true);
        }
        return includeHeaderCheckBox;
    }

    /**
     * This method initializes rowsButtonGroup	
     * 	
     * @return javax.swing.ButtonGroup	
     */
    private ButtonGroup getRowsButtonGroup() {
        if (rowsButtonGroup == null) {
            rowsButtonGroup = new ButtonGroup();
        }
        return rowsButtonGroup;
    }

    /**
     * This method initializes columnsButtonGroup	
     * 	
     * @return javax.swing.ButtonGroup	
     */
    private ButtonGroup getColumnsButtonGroup() {
        if (columnsButtonGroup == null) {
            columnsButtonGroup = new ButtonGroup();
        }
        return columnsButtonGroup;
    }

    /**
     * This method initializes fileChooser	
     * 	
     * @return javax.swing.JFileChooser	
     */
    private JFileChooser getFileChooser() {
        if (fileChooser == null) {
            fileChooser = new JFileChooser();
            fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
            fileChooser.setAcceptAllFileFilterUsed(true);
            fileChooser.setFileFilter(new FileFilter() {
                
                @Override
                public boolean accept(File f) {
                    if (f.isDirectory()) {
                        return true;
                    }
                    
                    return f.getName().endsWith(".csv"); //$NON-NLS-1$
                }

                @Override
                public String getDescription() {
                    return Messages.INSTANCE.getExportTableCSVFilterDesc();
                }
            });
        }
        return fileChooser;
    }

    /**
     * This method initializes checkPanel	
     * 	
     * @return javax.swing.JPanel	
     */
    private JPanel getCheckPanel() {
        if (checkPanel == null) {
            FlowLayout flowLayout = new FlowLayout();
            flowLayout.setVgap(0);
            checkPanel = new JPanel();
            checkPanel.setLayout(flowLayout);
            checkPanel.add(getIncludeHeaderCheckBox(), null);
            checkPanel.add(getUtf8EncodeCheckBox(), null);
        }
        return checkPanel;
    }

    /**
     * This method initializes utf8EncodeCheckBox	
     * 	
     * @return javax.swing.JCheckBox	
     */
    private JCheckBox getUtf8EncodeCheckBox() {
        if (utf8EncodeCheckBox == null) {
            utf8EncodeCheckBox = new JCheckBox();
            utf8EncodeCheckBox.setName("utf8EncodeCheckBox"); //$NON-NLS-1$
            utf8EncodeCheckBox.setText(Messages.INSTANCE.getExportTableUseUtf8Option());
        }
        return utf8EncodeCheckBox;
    }


 }