/*******************************************************************************
 * Copyright 2018 A-SIT Plus GmbH
 * AT-specific eIDAS Connector has been developed in a cooperation between EGIZ, 
 * A-SIT Plus GmbH, A-SIT, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "License");
 * You may not use this work except in compliance with the License.
 * You may obtain a copy of the License at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * 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.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 *******************************************************************************/
/*******************************************************************************
 *******************************************************************************/
package at.asitplus.eidas.specific.connector.gui;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;

import org.apache.commons.lang.StringEscapeUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.asitplus.eidas.specific.connector.MSeIDASNodeConstants;
import at.gv.egiz.eaaf.core.api.IRequest;
import at.gv.egiz.eaaf.core.api.gui.GroupDefinition;
import at.gv.egiz.eaaf.core.api.gui.IVelocityGUIBuilderConfiguration;
import at.gv.egiz.eaaf.core.api.gui.ModifyableGuiBuilderConfiguration;
import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
import at.gv.egiz.eaaf.core.impl.gui.AbstractGUIFormBuilderConfiguration;
import at.gv.egiz.eaaf.core.impl.utils.FileUtils;

public class StaticGuiBuilderConfiguration extends AbstractGUIFormBuilderConfiguration implements IVelocityGUIBuilderConfiguration, ModifyableGuiBuilderConfiguration {
	private static final Logger log = LoggerFactory.getLogger(StaticGuiBuilderConfiguration.class);
	
	private IRequest pendingReq = null;
	private IConfiguration basicConfig = null;
	
	public StaticGuiBuilderConfiguration(IConfiguration basicConfig, String authURL, String viewName, String formSubmitEndpoint) {
		super(authURL, viewName, formSubmitEndpoint);
		this.basicConfig = basicConfig;
	}

	public StaticGuiBuilderConfiguration(IConfiguration basicConfig, IRequest pendingReq, String viewName, String formSubmitEndpoint) {
		super(pendingReq.getAuthURL(), viewName, formSubmitEndpoint);
		this.pendingReq = pendingReq;
		this.basicConfig = basicConfig;
		
	}
	
	@Override
	public String getClasspathTemplateDir() {
		return MSeIDASNodeConstants.CLASSPATH_TEMPLATE_DIR;
		
	}

	@Override
	public String getDefaultContentType() {
		return null;
		
	}

	@Override
	public InputStream getTemplate(String viewName) {
		String templateURL = MSeIDASNodeConstants.FILESYSTEM_TEMPLATE_DIR + viewName;
		try {			
			String absURL = FileUtils.makeAbsoluteURL(templateURL, this.basicConfig.getConfigurationRootDirectory());				
			if (!absURL.startsWith("file:")) {
				log.warn("Path to template looks like NOT absolut: " + absURL + ". Template loading FAILED");
			
			} else {
				log.debug("Load template URL for view: " + viewName + " from: " + absURL);
				URI uri = new URL(absURL).toURI();
				return new FileInputStream(new File(uri));
				
			}
			
			
		} catch (MalformedURLException | URISyntaxException | FileNotFoundException e) {
			log.info("Can can build filesytem path to template: " + templateURL
					+ " Reason: " + e.getMessage());
			
		}
		
		return null;
	}

	@Override
	public void putCustomParameterWithOutEscaption(GroupDefinition group, String key, Object value) {
		log.info("Add GUI-Template parameters WITHOUT escaption ARE NOT supported!!!!!");
		
	}

	@Override
	public void putCustomParameter(GroupDefinition group, String key, String value) {
		setViewParameter(getFromGroup(), key, StringEscapeUtils.escapeHtml(value));
		
	}

	@Override
	protected void putSpecificViewParameters() {
		if (pendingReq != null) {							
			setViewParameter(getFromGroup(), PARAM_PENDINGREQUESTID, StringEscapeUtils.escapeHtml(pendingReq.getPendingRequestId()));
			setViewParameter(getFromGroup(), PARAM_PENDINGREQUESTID_DEPRECATED, StringEscapeUtils.escapeHtml(pendingReq.getPendingRequestId()));
			
		}
		
	}

	@Override
	protected GroupDefinition getFromGroup() {
		return null;
		
	}

}