package org.gcube.portlets.user.sbdportlets;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.servlet.http.HttpServletRequest;

import org.gcube.applicationsupportlayer.social.ApplicationNotificationsManager;
import org.gcube.applicationsupportlayer.social.NotificationsManager;
import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingSite;
import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingUser;
import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
import org.gcube.common.homelibrary.home.HomeLibrary;
import org.gcube.common.homelibrary.home.workspace.Workspace;
import org.gcube.common.portal.PortalContext;
import org.gcube.common.scope.api.ScopeProvider;
import org.gcube.portal.notifications.bean.GenericItemBean;
import org.gcube.portal.notifications.thread.MessageNotificationsThread;
import org.gcube.vomanagement.usermanagement.impl.LiferayRoleManager;
import org.gcube.vomanagement.usermanagement.impl.LiferayUserManager;
import org.gcube.vomanagement.usermanagement.model.GCubeUser;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.model.User;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.util.bridges.mvc.MVCPortlet;

/**
 * upload method/dataset: UserUpload Admin
- Share idea: UserIdea Admin
 * Portlet implementation class CollaborateWithUs
 */
public class CollaborateWithUs extends MVCPortlet {
	private static Log _log = LogFactoryUtil.getLog(CollaborateWithUs.class);
	private static String SHARE_IDEA_ROLE_MANAGER_NAME = "UserIdea-Admin";

	private LiferayRoleManager roleManager = new LiferayRoleManager();
	private LiferayUserManager userManager = new LiferayUserManager();

	public void addIdea(ActionRequest actionRequest, ActionResponse actionResponse) throws IOException, PortletException {
		try{
			User currentUser = (User) actionRequest.getAttribute(WebKeys.USER);
			ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
			long groupId = themeDisplay.getLayout().getGroupId();
			String experiment_name = ParamUtil.getString(actionRequest, "experiment_name");
			String people_institutions = ParamUtil.getString(actionRequest, "people_institutions");
			String theAbstract = ParamUtil.getString(actionRequest, "abstract");
			String experiment_tags = ParamUtil.getString(actionRequest, "experiment_tags");

			_log.debug("new experiment shared: " + experiment_name);
			SessionMessages.add(actionRequest.getPortletSession(), "experiment-form-success");


			long teamId = roleManager.getTeam(groupId, SHARE_IDEA_ROLE_MANAGER_NAME).getTeamId();
			List<GCubeUser> theManagers = userManager.listUsersByTeam(teamId);
			HttpServletRequest request = PortalUtil.getHttpServletRequest(actionRequest);
			boolean result = sendNotificationToUser(request, groupId, currentUser, theManagers, experiment_name, people_institutions, theAbstract, experiment_tags);
			if (result)
				actionResponse.setRenderParameter("mvcPath", "/html/collaboratewithus/view-method-inserted.jsp");
			else
				actionResponse.setRenderParameter("mvcPath", "/html/collaboratewithus/view-method-error.jsp");
		} catch(Exception e){
			SessionErrors.add(actionRequest.getPortletSession(),"experiment-form-error");
			e.printStackTrace();
		}
	}

	private boolean sendNotificationToUser(HttpServletRequest request, long groupId, User currentUser, List<GCubeUser> theManagers
			, String experiment_name, String people_institutions, String theAbstract, String experiment_tags) throws Exception {
		String scope = PortalContext.getConfiguration().getCurrentScope(""+groupId);
		_log.info("sendNotificationToUser Scope: " + scope);
		
		String authorizationToken = PortalContext.getConfiguration().getCurrentUserToken(scope, currentUser.getScreenName());
		ScopeProvider.instance.set(scope);
		SecurityTokenProvider.instance.set(authorizationToken);
		Workspace workspace = HomeLibrary.getUserWorkspace(currentUser.getScreenName());

		List<String> recipientIds = new ArrayList<String>();
		List<GenericItemBean> recipients = new ArrayList<GenericItemBean>();
		for (GCubeUser addressee : theManagers) {
			recipients.add(new GenericItemBean(addressee.getUsername(), addressee.getUsername(), addressee.getFullname(), ""));
			recipientIds.add(addressee.getUsername());
		}

		String subject = "A new user shared an idea";
		StringBuilder sb = new StringBuilder("Hi, the following idea was shared by ").append(currentUser.getFullName())
				.append(" (").append(currentUser.getEmailAddress()).append(").")
				.append("\n\n").append("Experiment name: ").append(experiment_name).append("\n")
				.append("\n").append("Involved people and or institutions: ").append(people_institutions).append("\n")
				.append("\n").append("Abstract:\n").append(theAbstract).append("\n")
				.append("\n").append("Keywords (Comma separated): ").append(experiment_tags).append("\n");

		String body = sb.toString();
		String messageId = workspace.getWorkspaceMessageManager().sendMessageToPortalLogins(subject, body, new ArrayList<String>(), recipientIds);

		_log.debug("Sending message notification to: " + recipientIds.toString());
		NotificationsManager nm = new ApplicationNotificationsManager(new SocialNetworkingSite(request), scope, new SocialNetworkingUser(
				currentUser.getScreenName(), currentUser.getEmailAddress(), currentUser.getFullName(), ""));
		Thread thread = new Thread(new MessageNotificationsThread(recipients, messageId, subject, body, nm));
		thread.start();

		return (messageId != null);		
	}
}