/*
 *   Mylyn Connector for Serena Business Mashups
 * 	 Copyright 2010 Brian Rosenberger (Brutex Network)
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 * 
 *   Serena, TeamTrack and Serena Business Mashup are 
 * 	 registered trademarks of SERENA Software Inc.
 */
package net.brutex.mylyn.sbmconnector.ui;

import java.awt.Color;
import java.util.ArrayList;

import net.brutex.mylyn.sbmconnector.core.SBMRepositoryConnector;
import net.brutex.mylyn.sbmconnector.core.model.SBMField;
import net.brutex.mylyn.sbmconnector.core.model.SBMSystemFields;
import net.brutex.sbm.wsclient.ReportInfo;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.mylyn.tasks.core.IRepositoryQuery;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.ui.wizards.AbstractRepositoryQueryPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Widget;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.FormToolkit;

public class SBMRepositoryQueryPage extends AbstractRepositoryQueryPage {

	private Text sql_where_clause = null;
	private Text query_title = null;
	private Combo reportcombo = null;
	private ReportInfo selectedReport = null;

	public static String SQL_QUERY = "sql_where";
	public static String SQL_QUERY_NAME = "name";
	public static String REPORT = "report";
	public static String REPORT_OR_QUERY = "-- use query --";

	public SBMRepositoryQueryPage(String pageName, TaskRepository repository,
			IRepositoryQuery query) {
		super(pageName, repository, query);
		setTitle("SBM Query");
		setDescription("Please specify table database name.");
	}

	@Override
	public void applyTo(IRepositoryQuery query) {
		if (getQueryTitle() != null) {
			query.setSummary(getQueryTitle());
		}
		query.setAttribute(SQL_QUERY, sql_where_clause.getText());
		query.setAttribute(SQL_QUERY_NAME, query_title.getText());
		query.setAttribute(REPORT, selectedReport.getReportUUID());
	}

	@Override
	public String getQueryTitle() {
		if (query_title != null && !query_title.getText().isEmpty())
			return query_title.getText();
		return "new query";
	}

	@Override
	public void createControl(Composite arg0) {
		Composite control = new Composite(arg0, SWT.BORDER);
		control.setLayout(new GridLayout(2, false));

		Label report_label = new Label(control, SWT.NONE);
		reportcombo = new Combo(control, SWT.SINGLE | SWT.BORDER);
		new Label(control, SWT.NONE).setText(" OR ");
		new Label(control, SWT.SEPARATOR | SWT.HORIZONTAL);

		Label query_label = new Label(control, SWT.NONE);
		query_label.setText("Query Name:");

		report_label.setText("Report");

		String solutionname = getTaskRepository().getProperty(
				SBMRepositorySettingsPage.STRING_SOLUTIONTABLE);

		try {
			final java.util.List<ReportInfo> reportlist = SBMRepositoryConnector
					.getClient(getTaskRepository()).getReportList(solutionname);

			reportcombo.add(REPORT_OR_QUERY);
			reportcombo.select(0);
			for (ReportInfo report : reportlist) {
				reportcombo.add(report.getReportName());
			}

			reportcombo.addListener(SWT.Selection, new Listener() {

				@Override
				public void handleEvent(Event arg0) {
					if (reportcombo.getSelectionIndex() == 0) {
						query_title.setEditable(true);
						query_title.setEnabled(true);
						sql_where_clause.setEditable(true);
						sql_where_clause.setEnabled(true);
						query_title.setText("");
					} else {
						query_title.setEditable(false);
						query_title.setEnabled(false);
						sql_where_clause.setEditable(false);
						sql_where_clause.setEnabled(false);
						query_title.setText(reportcombo.getText());
						selectedReport = reportlist.get(reportcombo
								.getSelectionIndex() - 1);

					}

				}
			});

		} catch (Exception e) {
		}
		/*
		 * 
		 * 
		 * table.addListener(SWT.Selection, new Listener() {
		 * 
		 * @Override public void handleEvent(Event arg0) { // when the table has
		 * been changed // try to re-read the field list tableFieldList = "";
		 * tableFullFieldList = ""; try { SBMField[] fields =
		 * SBMRepositoryConnector.getClient(
		 * createTaskRepository()).getFields(table.getText()) .toArray(new
		 * SBMField[0]); fillList(list, fields); } catch (Exception e) { } if
		 * (getWizard() != null) { solutionTable = table.getText();
		 * getWizard().getContainer().updateButtons(); } }
		 * 
		 * }); regenerateTables(); expander.setClient(control);
		 */

		query_title = new Text(control, SWT.BORDER);
		if (getQuery() != null)
			query_title.setText(getQuery().getAttribute("name"));

		GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
		data.heightHint = 200;

		Label label_sql = new Label(control, SWT.NONE);
		label_sql.setText("SQL where:");
		sql_where_clause = new Text(control, SWT.MULTI | SWT.WRAP
				| SWT.V_SCROLL | SWT.BORDER);
		GridData gd = new GridData(300, 150);
		gd.horizontalSpan = 2;
		sql_where_clause.setLayoutData(gd);
		if (getQuery() != null)
			sql_where_clause.setText(getQuery().getAttribute("sql_where"));

		GridDataFactory.fillDefaults().align(SWT.FILL, SWT.TOP)
				.applyTo(query_title);
		Dialog.applyDialogFont(control);
		setControl(control);
	}
}