package org.gcube.gcat.client;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.util.Properties;

import org.gcube.common.authorization.client.Constants;
import org.gcube.common.authorization.client.exceptions.ObjectNotFound;
import org.gcube.common.authorization.library.AuthorizationEntry;
import org.gcube.common.authorization.library.provider.AuthorizationProvider;
import org.gcube.common.authorization.library.provider.ClientInfo;
import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
import org.gcube.common.authorization.library.utils.Caller;
import org.gcube.common.scope.api.ScopeProvider;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Luca Frosini (ISTI - CNR)
 *
 */
public class ContextTest {
	
	private static final Logger logger = LoggerFactory.getLogger(ContextTest.class);
	
	protected static Properties properties;
	protected static final String PROPERTIES_FILENAME = "token.properties";
	
	protected static final String GCAT_PROPERTIES_FILENAME = "gcat.properties"; 
	public static final String GCAT_URL_PROPERTY = "GCAT_URL_PROPERTY";
	public static String GCAT_URL;
	
	
	public static final String DEFAULT_TEST_CONTEXT_NAME;
	
	static {
		properties = new Properties();
		InputStream input = ContextTest.class.getClassLoader().getResourceAsStream(PROPERTIES_FILENAME);
		
		try {
			// load the properties file
			properties.load(input);
		} catch(IOException e) {
			throw new RuntimeException(e);
		}
		
		//DEFAULT_TEST_CONTEXT_NAME = "/pred4s/preprod/preVRE";
		DEFAULT_TEST_CONTEXT_NAME = "/gcube/devsec/devVRE";
		
		try {
			setContextByName(DEFAULT_TEST_CONTEXT_NAME);
		} catch(Exception e) {
			throw new RuntimeException(e);
		}
		
		Properties gcatProperties = new Properties();
		input = ContextTest.class.getClassLoader().getResourceAsStream(GCAT_PROPERTIES_FILENAME);
		try {
			// load the properties file
			gcatProperties.load(input);
			GCAT_URL = gcatProperties.getProperty(GCAT_URL_PROPERTY);
		} catch (Exception e) {
			// throw new RuntimeException(e);
			GCAT_URL = null;
		}
		
		if(GCAT_URL!=null){
			try {
				GCatClientDiscovery.forceToURL(GCAT_URL);
			} catch (MalformedURLException e) {
				throw new RuntimeException(e);
			}
		}
	}
	
	public static String getCurrentContextFullName() {
		String token = SecurityTokenProvider.instance.get();
		AuthorizationEntry authorizationEntry = null;
		try {
			authorizationEntry = Constants.authorizationService().get(token);
		} catch(Exception e) {
			return ScopeProvider.instance.get();
		}
		return authorizationEntry.getContext();
	}
	
	public static String getContextFullName(String token) throws ObjectNotFound, Exception {
		AuthorizationEntry authorizationEntry = Constants.authorizationService().get(token);
		return authorizationEntry.getContext();
	}
	
	public static void setContextByName(String fullContextName) throws ObjectNotFound, Exception {
		String token = ContextTest.properties.getProperty(fullContextName);
		setContext(token);
	}
	
	public static void setContext(String token) throws ObjectNotFound, Exception {
		SecurityTokenProvider.instance.set(token);
		AuthorizationEntry authorizationEntry = Constants.authorizationService().get(token);
		ClientInfo clientInfo = authorizationEntry.getClientInfo();
		logger.debug("User : {} - Type : {}", clientInfo.getId(), clientInfo.getType().name());
		String qualifier = authorizationEntry.getQualifier();
		Caller caller = new Caller(clientInfo, qualifier);
		AuthorizationProvider.instance.set(caller);
		ScopeProvider.instance.set(getContextFullName(token));
	}
	
	@BeforeClass
	public static void beforeClass() throws Exception {
		setContextByName(DEFAULT_TEST_CONTEXT_NAME);
	}
	
	@AfterClass
	public static void afterClass() throws Exception {
		SecurityTokenProvider.instance.reset();
		ScopeProvider.instance.reset();
	}
	
}