/*

 * 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.pi.wizards.ui;

import java.io.File;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.Set;

import org.eclipse.jface.layout.GridDataFactory;

import org.eclipse.jface.layout.GridLayoutFactory;

import org.eclipse.jface.viewers.AbstractTreeViewer;

import org.eclipse.jface.viewers.ISelectionChangedListener;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.viewers.SelectionChangedEvent;

import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Text;

import org.eclipse.ui.PlatformUI;

import com.nokia.carbide.cdt.builder.project.ICarbideBuildConfiguration;

import com.nokia.carbide.cpp.internal.pi.button.ui.BupProfileTreeViewer;

import com.nokia.carbide.cpp.internal.pi.wizards.ui.util.CarbidePiWizardHelpIds;

import com.nokia.carbide.cpp.internal.pi.wizards.ui.util.IPkgEntry;

import com.nokia.carbide.cpp.pi.button.BupEventMapManager;

import com.nokia.carbide.cpp.pi.button.IBupEventMapProfile;

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

public class NewPIWizardPageBupMapTask extends NewPIWizardPage implements

		INewPIWizardSettings {

	private NewPIWizardSettings settings = NewPIWizardSettings.getInstance();

	/**

	 * @param arg0

	 */

	protected NewPIWizardPageBupMapTask() {

		super(Messages.getString("NewPIWizardPageBupMapTask.0")); //$NON-NLS-1$

		setTitle(Messages.getString("NewPIWizardPageBupMapTask.1")); //$NON-NLS-1$

	    setDescription(Messages.getString("NewPIWizardPageBupMapTask.2")); //$NON-NLS-1$

	}

	// controls

	Composite container;

	private Label profileLabel = null;

	Composite treeViewerComposite;

	private BupProfileTreeViewer profileTreeViewer = null;

	private Label recommendedLabel = null;

	private Text rationaleText = null;	

	public void createControl(Composite parent) {

		super.createControl(parent);

		container = new Composite(parent, SWT.NONE);

		GridDataFactory.fillDefaults().grab(true, true).applyTo(container);

		GridLayoutFactory.fillDefaults().applyTo(container);

		profileLabel = new Label(container, SWT.NONE);

		profileLabel.setText(Messages.getString("NewPIWizardPageBupMapTask.3")); //$NON-NLS-1$

		treeViewerComposite = new Composite(container, SWT.NONE);

		GridDataFactory.fillDefaults().grab(true, true).applyTo(treeViewerComposite);

		GridLayoutFactory.fillDefaults().applyTo(treeViewerComposite);

		profileTreeViewer = new BupProfileTreeViewer(treeViewerComposite);

		GridDataFactory.fillDefaults().grab(true, true).applyTo(profileTreeViewer.getTree());

		profileTreeViewer.addPostSelectionChangedListener(new ISelectionChangedListener() {

			public void selectionChanged(SelectionChangedEvent arg0) {

				validatePage();

				IBupEventMapProfile profile = profileTreeViewer.getSelectedProfile();

				if (profile != null) {

					NewPIWizardSettings.getInstance().keyMapProfile = profile;

				}

			}

		});

		recommendedLabel = new Label(container, SWT.NONE);

		recommendedLabel.setText(Messages.getString("NewPIWizardPageBupMapTask.4")); //$NON-NLS-1$

		rationaleText = new Text(container, SWT.READ_ONLY);

		GridDataFactory.fillDefaults().grab(true, true).applyTo(rationaleText);

		setControl(container);

		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), CarbidePiWizardHelpIds.PI_IMPORT_WIZARD_BUP_MAP);

		validatePage();

	}

	/* (non-Javadoc)

	 * @see com.nokia.carbide.cpp.internal.pi.wizards.ui.INewPIWizardSettings#setupPageFromFromNewPIWizardSettings()

	 */

	public void setupPageFromFromNewPIWizardSettings() {

		if (settings.keyMapProfile != null) {

			profileTreeViewer.expandAll();

			profileTreeViewer.setSelection(new StructuredSelection(settings.keyMapProfile));

			profileTreeViewer.reveal(settings.keyMapProfile);

		}

	}

	/* (non-Javadoc)

	 * @see com.nokia.carbide.cpp.internal.pi.wizards.ui.INewPIWizardSettings#validatePage()

	 */

	public void validatePage() {

		IBupEventMapProfile profile = profileTreeViewer.getSelectedProfile();

		if (profile == null) {

			setErrorMessage(Messages.getString("NewPIWizardPageBupMapTask.5")); //$NON-NLS-1$

			setPageComplete(false);

		} else {

			setErrorMessage(null);

			setPageComplete(true);

		}

	}

	/*

	 * Build the profile list will descending recommendation

	 * Cust kit => SDK => workspace selection => workspace profiles => builtin profiles

	 * 

	 * If the top tier selection have only one profile, preselect it for user

	 * otherwise use persisted setting.

	 * 

	 * e.g. for preselect

	 * -If we have Cust kit and Cust kit have only one profile, select it

	 * -If we have only one SDK and it only have one profile, select it

	 * 

	 * return if we should preselect for user

	 */

	private boolean buildBupMapProfileList() {

		ArrayList<ICarbideBuildConfiguration> buildConfigList = settings.selectedBuildConfigList;

		ArrayList<IPkgEntry> appFileList = settings.selectedAppFileList;

		ISymbianSDK romSdk = null;

		Set<ISymbianSDK> appSdks = new HashSet<ISymbianSDK>();

		if (settings.haveRomOnly || settings.haveAppRom) {

			romSdk = settings.romSdk;

		}

		// update viewer

		if (settings.haveAppRom || settings.haveAppOnly) {		

			for (ICarbideBuildConfiguration config: buildConfigList) {

				appSdks.add(config.getSDK());

			}

			for (IPkgEntry pkgEntry : appFileList) {

				appSdks.add(pkgEntry.getSdk());

			}

		}

		BupProfileTreeViewer.BupProfileTreeData data = profileTreeViewer.new BupProfileTreeData(romSdk, appSdks);

		profileTreeViewer.setInput(data);

		profileTreeViewer.expandAll();

		// select profile or post rationale

		// ROM CustKit

		if (settings.haveRomOnly || settings.haveAppRom) {

			ArrayList<IBupEventMapProfile> profiles = BupEventMapManager.getInstance().getProfilesFromSDK(settings.romSdk);

			if (profiles.size() == 1) {

				IBupEventMapProfile profile = profiles.get(0);

				rationaleText.setText(Messages.getString("NewPIWizardPageBupMapTask.6") + profile.getProfileId() + Messages.getString("NewPIWizardPageBupMapTask.7") + profile.getSDK().getUniqueId()+ Messages.getString("NewPIWizardPageBupMapTask.8")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$

				profileTreeViewer.setSelection(new StructuredSelection(profile));

				profileTreeViewer.reveal(profile);

				return true;

			} else {

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

					if (new File(BupEventMapManager.getInstance().profileLocatationInSDK(settings.romSdk)).exists() == false) {

						rationaleText.setText(Messages.getString("NewPIWizardPageBupMapTask.21") + settings.romSdk.getUniqueId() + Messages.getString("NewPIWizardPageBupMapTask.22")); //$NON-NLS-1$ //$NON-NLS-2$

					} else {

						rationaleText.setText(Messages.getString("NewPIWizardPageBupMapTask.16") + settings.romSdk.getUniqueId() + Messages.getString("NewPIWizardPageBupMapTask.20")); //$NON-NLS-1$ //$NON-NLS-2$

					}

				} else {

					rationaleText.setText(Messages.getString("NewPIWizardPageBupMapTask.9") + settings.romSdk.getUniqueId() +Messages.getString("NewPIWizardPageBupMapTask.10")); //$NON-NLS-1$ //$NON-NLS-2$

				}

			}

		}

		if (settings.haveAppRom || settings.haveAppOnly) {

			ArrayList<ISymbianSDK> sdks = new ArrayList<ISymbianSDK>();

			for (ICarbideBuildConfiguration config: buildConfigList) {

				sdks.add(config.getSDK());

			}

			for (IPkgEntry pkgEntry : appFileList) {

				sdks.add(pkgEntry.getSdk());

			}

			if (sdks.size() == 1) {

				ArrayList<IBupEventMapProfile> profiles = BupEventMapManager.getInstance().getProfilesFromSDK(sdks.get(0));

				if (profiles.size() == 1) {

					IBupEventMapProfile profile = profiles.get(0);

					rationaleText.setText(Messages.getString("NewPIWizardPageBupMapTask.11") + profile.getProfileId() + Messages.getString("NewPIWizardPageBupMapTask.12") + profile.getSDK().getUniqueId()+ Messages.getString("NewPIWizardPageBupMapTask.13")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$

					profileTreeViewer.setSelection(new StructuredSelection(profile));

					profileTreeViewer.reveal(profile);

					return true;

				} else {

					rationaleText.setText(Messages.getString("NewPIWizardPageBupMapTask.14") + sdks.get(0).getUniqueId()+ Messages.getString("NewPIWizardPageBupMapTask.15")); //$NON-NLS-1$ //$NON-NLS-2$

				}

			} else {

				String sdkList = ""; //$NON-NLS-1$

				for (ISymbianSDK sdk : sdks) {

					sdkList += Messages.getString("NewPIWizardPageBupMapTask.17") + sdk.getUniqueId() + Messages.getString("NewPIWizardPageBupMapTask.18"); //$NON-NLS-1$ //$NON-NLS-2$

				}

				rationaleText.setText(Messages.getString("NewPIWizardPageBupMapTask.19") + sdkList); //$NON-NLS-1$

			}	

		}

		IBupEventMapProfile profile = BupEventMapManager.getInstance().getPrefSelectedProfile();

		profileTreeViewer.setSelection(new StructuredSelection(profile));

		profileTreeViewer.reveal(profile);

		return false;

	}

	public void setVisible(boolean visable) {

		super.setVisible(visable);

		if (visable) {

			buildBupMapProfileList();

			// need this because treeviewer depend on info from previous pages

			setupPageFromFromNewPIWizardSettings();

		}

	}

}