// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "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.symbian.smt.gui;

import java.io.File;

import java.util.HashMap;

/**

 * @author barbararosi-schwartz

 * 

 */

public class ResourceFileValidator extends XmlFileValidator {

	/**

	 * The Map that caches all defined resource schema files, keyed by the

	 * ResourcesEnums enums.

	 */

	private static final HashMap<ResourcesEnums, String> resourceSchemaFilesMap = new HashMap<ResourcesEnums, String>();

	static {

		for (ResourcesEnums type : ResourcesEnums.values()) {

			switch (type) {

			case BORDER_SHAPES:

				resourceSchemaFilesMap

						.put(type,

								"./resources/xsd/Border-shapes.xsd");

				break;

			case BORDER_STYLES:

				resourceSchemaFilesMap

						.put(type,

								"./resources/xsd/Border-styles.xsd");

				break;

			case COLOURS:

				resourceSchemaFilesMap

						.put(type,

								"./resources/xsd/Colours.xsd");

				break;

			case DEPENDENCIES:

				// No need for schema validation

				break;

			case LEVELS:

				resourceSchemaFilesMap

						.put(type,

								"./resources/xsd/Levels.xsd");

				break;

			case LOCALISATION:

				resourceSchemaFilesMap

						.put(type,

								"./resources/xsd/Localisation.xsd");

				break;

			case PATTERNS:

				resourceSchemaFilesMap

						.put(type,

								"./resources/xsd/Patterns.xsd");

				break;

			case SHAPES:

				// TODO:BRS: Need to get the Shapes schema right before

				// validating with it.

				// resourceSchemaFilesMap.put(type,

				// "./../SystemModelGenerator/resources/xsd/Shapes.xsd");

				break;

			case SYSTEM_INFO:

				// No need for schema validation

				break;

			case S12_XML:

				// No need for schema validation

				break;

			default:

				throw new RuntimeException("Unknown resource type ["

						+ type.arg() + "]");

			}

		}

	}

	private ResourcesEnums selectedResourceType;

	/**

	 * 

	 */

	public ResourceFileValidator(ResourcesEnums selectedResourceType) {

		super();

		this.selectedResourceType = selectedResourceType;

	}

	// TODO:BRS:This method is incomplete and currently unused. It is related to 

	// comparing 2 different border shapes and making sure elements are not repeated 

	// between files (the same should apply to patterns).

	// The return type in the signature should also be changed to a list of border

	// shape item objects.

//	private void getBorderShapesItems(String filePath) {

//		try {

//			JAXBContext context = JAXBContext.newInstance(Values.class);

//			Unmarshaller unmarshaller = context.createUnmarshaller();

//			// Values values = unmarshaller.unmarshal(File or URL);

//		} catch (JAXBException e) {

//			e.printStackTrace();

//		}

//

//	}

	protected File getSchemaFile() {

		String schemaFilePath = resourceSchemaFilesMap

				.get(selectedResourceType);

		File schemaFile = new File(Helper.relative2AbsolutePaths(

				schemaFilePath, smgFolder, "|"));

		return schemaFile;

	}

	public String validateXml(String filePath) {

		String errorMessage = super.validateXml(filePath);

		if (errorMessage == null) {

			if (selectedResourceType.equals(ResourcesEnums.BORDER_SHAPES)

					|| selectedResourceType.equals(ResourcesEnums.PATTERNS)) {

				// Finally, if we have multiple files for this resource, check

				// about duplicates

				// TODO:BRS:This piece of code is unfinished. If it is required to check 

				// that there are no duplicate items across multiple files, use method 

				// getBorderShapesItems() above and create similar getPatternsItem() method

				// errorMessage = do special validation

			}

		}

		return errorMessage;

	}

}