/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.carbide.cpp.internal.api.sdk.ui;

import java.util.ArrayList;

import java.util.Collections;

import java.util.HashMap;

import java.util.List;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.jface.dialogs.TrayDialog;

import org.eclipse.jface.viewers.ArrayContentProvider;

import org.eclipse.jface.viewers.CheckboxTableViewer;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.jface.viewers.ISelectionChangedListener;

import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.jface.viewers.ListViewer;

import org.eclipse.jface.viewers.SelectionChangedEvent;

import org.eclipse.jface.viewers.StructuredSelection;

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.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.TableItem;

import com.nokia.carbide.cpp.internal.api.sdk.SBSv2Utils;

import com.nokia.carbide.cpp.internal.api.sdk.sbsv2.SBSv2MinimumVersionException;

import com.nokia.carbide.cpp.internal.api.sdk.sbsv2.SBSv2QueryUtils;

import com.nokia.carbide.cpp.internal.sdk.ui.AddSBSv2ProductVariant;

import com.nokia.carbide.cpp.internal.sdk.ui.Messages;

import com.nokia.carbide.cpp.sdk.core.SDKCorePlugin;

/**

 * @since 1.4

 */

@SuppressWarnings("restriction")

public class SBSv2PlatformFilterComposite extends Composite {

	// TODO: Temporary map. We need a way to ensure we only get the alias map

	// when needed and that the data we are getting is properly cached to avoid

	// having to run Raptor queries too often

	private static HashMap<String, String> aliasMap = new HashMap<String, String>();

	private static List<String> productVariantList = new ArrayList<String>();

	private CheckboxTableViewer buildAliasTableViewer;

	private ListViewer customVariantListViewer;

	private Button refreshButton;

	private Button addVariantButton;

	private Button removeVariantButton;

	SBSv2PlatformFilterComposite(Composite parent) {

		super(parent, SWT.NONE);

	}

	public void createControls() {

		GridLayout gridLayout = new GridLayout();

		gridLayout.numColumns =  2;

		setLayout(gridLayout);

		GridData gd = new GridData(SWT.LEFT, SWT.LEFT, true, false);

		gd.widthHint = 200;

		gd.heightHint = 350;

		Label aliasBoxLabel = new Label(this, SWT.NONE);

		aliasBoxLabel.setText(Messages.getString("SBSv2PlatformFilterComposite.PlatformsGroupText"));

		aliasBoxLabel.setToolTipText(Messages.getString("SBSv2PlatformFilterComposite.PlatformsGroupToolTip"));

		Label variantBoxLabel = new Label(this, SWT.NONE);

		variantBoxLabel.setText(Messages.getString("SBSv2PlatformFilterComposite.ProductsGroupText"));

		variantBoxLabel.setToolTipText(Messages.getString("SBSv2PlatformFilterComposite.ProductsGroupToolTip"));

		buildAliasTableViewer = CheckboxTableViewer.newCheckList(this, SWT.BORDER);

		buildAliasTableViewer.getTable().setLayoutData(gd);

		buildAliasTableViewer.setContentProvider(new ArrayContentProvider());

		buildAliasTableViewer.setLabelProvider(new LabelProvider());

		customVariantListViewer = new ListViewer(this);

		customVariantListViewer.getList().setLayoutData(gd);

		customVariantListViewer.setContentProvider(new ArrayContentProvider());

		customVariantListViewer.setLabelProvider(new LabelProvider());

		customVariantListViewer.addSelectionChangedListener( new ISelectionChangedListener() {

			public void selectionChanged(SelectionChangedEvent event) {

				if (customVariantListViewer.getSelection() != null && !customVariantListViewer.getSelection().isEmpty()){

					removeVariantButton.setEnabled(true);

				} else {

					removeVariantButton.setEnabled(false);

				}

			}

		});

		refreshButton = new Button(this, SWT.NONE);		

		refreshButton.setText(Messages.getString("SBSv2PlatformFilterComposite.RefreshButtonText")); //$NON-NLS-1$

		refreshButton.setToolTipText(Messages.getString("SBSv2PlatformFilterComposite.RefreshButtonToolTip")); //$NON-NLS-1$

		refreshButton.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

			public void widgetSelected(SelectionEvent e) {

				refreshButton.setEnabled(false);

				initTable(true);

				refreshButton.setText(Messages.getString("SBSv2PlatformFilterComposite.RefreshButtonText")); //$NON-NLS-1$

				refreshButton.setEnabled(true);

			}

		});

		Composite variantButtonsComposite = new Composite(this, SWT.NONE);

		gridLayout = new GridLayout();

		gridLayout.makeColumnsEqualWidth = true;

		gridLayout.numColumns = 2;

		variantButtonsComposite.setLayout(gridLayout);

		GridData gridData = new GridData(SWT.LEFT, SWT.TOP, true, false);

		variantButtonsComposite.setLayoutData(gridData);

		addVariantButton = new Button(variantButtonsComposite, SWT.NONE);		

		addVariantButton.setText(Messages.getString("SBSv2PlatformFilterComposite.AddProductButtonText")); //$NON-NLS-1$

		addVariantButton.setToolTipText(Messages.getString("SBSv2PlatformFilterComposite.AddProductButtonToolTip")); //$NON-NLS-1$

		addVariantButton.setLayoutData(gridData);

		addVariantButton.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent e) {widgetSelected(e);}

			public void widgetSelected(SelectionEvent e) {

				if (aliasMap.size() == 0){

					MessageDialog.openError(getShell(), "No build configurations found.", "No build configurations (aliases) were found from any SDKs. Attempted 'sbs --query=aliases' but found no results.");

				} else if  (productVariantList.size() == 0){

						MessageDialog.openError(getShell(), "No products found.", "No products were found from any SDKs. Attempted 'sbs --query=products' but found no results.");

				} else {

					String selectedAlias = "";

					ISelection selectedItem = buildAliasTableViewer.getSelection();

					StructuredSelection selection = (StructuredSelection)selectedItem;

					String stringSelection = (String)selection.getFirstElement();

					if (stringSelection != null){

						TableItem[] tableItems = buildAliasTableViewer.getTable().getItems();

						for (TableItem item : tableItems){

							if (stringSelection.equals(item.getText())){

								selectedAlias = item.getText();

								break;

							}

						}

					}

					AddSBSv2ProductVariant addVariantDlg = new AddSBSv2ProductVariant(getShell(), selectedAlias, aliasMap, productVariantList);

					if (addVariantDlg.open() == TrayDialog.OK){

						if (customVariantListViewer.testFindItem(addVariantDlg.getUserCreatedVariant()) == null){

							// doesn't exist, add it. if it does exist just ignore it

							List<String> variantList = (List<String>)customVariantListViewer.getInput();

							variantList.add(addVariantDlg.getUserCreatedVariant());

							customVariantListViewer.setInput(variantList);

							customVariantListViewer.refresh();

						}

					}

				}

			}

		});

		removeVariantButton = new Button(variantButtonsComposite, SWT.NONE);		

		removeVariantButton.setText(Messages.getString("SBSv2PlatformFilterComposite.RemoveProductButtonText")); //$NON-NLS-1$

		removeVariantButton.setToolTipText(Messages.getString("SBSv2PlatformFilterComposite.RemoveProductButtonToolTip")); //$NON-NLS-1$

		removeVariantButton.setLayoutData(gridData);

		removeVariantButton.setEnabled(false);

		removeVariantButton.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent e) {widgetSelected(e);}

			public void widgetSelected(SelectionEvent e) {

				ISelection selectedVariant = customVariantListViewer.getSelection();

				if (selectedVariant != null){

					StructuredSelection selection = (StructuredSelection)selectedVariant;

					String stringSelection = (String)selection.getFirstElement();

					List<String> data = (List<String>)customVariantListViewer.getInput();

					data.remove(stringSelection);

					customVariantListViewer.setInput(data);

					customVariantListViewer.refresh(true);

					removeVariantButton.setEnabled(false);

				}

			}

		});

		initTable(false);

	}

	public void performOk() {

		// save the list of unchecked configs

		List<String> checkedConfigs = new ArrayList<String>();

		for (TableItem item : buildAliasTableViewer.getTable().getItems()) {

			if (buildAliasTableViewer.getChecked(item.getData())) {

				checkedConfigs.add(item.getText());

			}

		}

		for (String variant : customVariantListViewer.getList().getItems()) {

				checkedConfigs.add(variant);

		}

		SBSv2Utils.setSBSv2FilteredConfigs(checkedConfigs.toArray(new String[checkedConfigs.size()]));

	}

	private void initTable(boolean forceRescan) {

		SBSv2Utils.initDefaultConfigsToFilter();

		if (aliasMap.size() == 0 || forceRescan){

			try {

				aliasMap = SBSv2QueryUtils.getCompleteAliasList(forceRescan);

			} catch (SBSv2MinimumVersionException e) {

				// Force a scan for version in case system was updated

				SDKCorePlugin.getSDKManager().getSBSv2Version(true);

				try {

					// try, try again...

					aliasMap = SBSv2QueryUtils.getCompleteAliasList(forceRescan);

				} catch (SBSv2MinimumVersionException e2) {

					MessageDialog.openError(getShell(), "Minimum sbs version not met.", e.getMessage());

				}

			} 

		}

		if (productVariantList.size() == 0 || forceRescan){

			try {

				productVariantList = SBSv2QueryUtils.getCompleteProductVariantList(forceRescan);

			} catch (SBSv2MinimumVersionException e) {

			}

		}

		// get saved configs in the store

		List<String> checkedConfigsFromStore = SBSv2Utils.getSBSv2FilteredConfigPreferences();

		List<String> sbsAliases = new ArrayList<String>(); // global build aliases

		List<String> savedVariants = new ArrayList<String>(); // custom variants

		for (String key : aliasMap.keySet()){

			sbsAliases.add(key);

		}

		for (String config : checkedConfigsFromStore){

			if (config.contains(".")){

				savedVariants.add(config);

			}

		}

		Collections.sort(sbsAliases);

		buildAliasTableViewer.setInput(sbsAliases);

		customVariantListViewer.setInput(savedVariants);

		// uncheck all configs to init

		buildAliasTableViewer.setAllChecked(false);

		for (String config : checkedConfigsFromStore) {

			for (TableItem item : buildAliasTableViewer.getTable().getItems()) {

				if (item.getText().equals(config) && !item.getText().contains(".")) {

					buildAliasTableViewer.setChecked(item.getData(), true);

					break;

				}

			}

		}

	}

	public void setDefaults(){

		initTable(false);

		for (TableItem item : buildAliasTableViewer.getTable().getItems()) {

			if (item.getText().toLowerCase().equals("armv5_udeb")  || 

				item.getText().toLowerCase().equals("armv5_urel") ||

				item.getText().toLowerCase().equals("armv5_udeb_gcce")  || 

				item.getText().toLowerCase().equals("armv5_urel_gcce") ||

				item.getText().toLowerCase().equals("winscw_udeb")  ||

				item.getText().toLowerCase().equals("winscw_urel")) {

				buildAliasTableViewer.setChecked(item.getData(), true);

			} else {

				buildAliasTableViewer.setChecked(item.getData(), false);

			}

		}

	}

}