package at.gv.egovernment.moa.id.configuration.struts.action;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;

import com.opensymphony.xwork2.ActionSupport;

import at.gv.egovernment.moa.id.commons.db.ConfigurationDBRead;
import at.gv.egovernment.moa.id.commons.db.ConfigurationDBUtils;
import at.gv.egovernment.moa.id.commons.db.dao.config.OnlineApplication;
import at.gv.egovernment.moa.id.commons.db.dao.config.OnlineApplicationType;
import at.gv.egovernment.moa.id.commons.db.dao.config.UserDatabase;
import at.gv.egovernment.moa.id.configuration.Constants;
import at.gv.egovernment.moa.id.configuration.auth.AuthenticatedUser;
import at.gv.egovernment.moa.id.configuration.config.ConfigurationProvider;
import at.gv.egovernment.moa.id.configuration.data.OAListElement;
import at.gv.egovernment.moa.id.configuration.exception.ConfigurationException;
import at.gv.egovernment.moa.id.configuration.helper.FormDataHelper;
import at.gv.egovernment.moa.id.configuration.helper.LanguageHelper;
import at.gv.egovernment.moa.id.configuration.validation.ValidationHelper;
import at.gv.egovernment.moa.util.MiscUtil;

public class ListOAsAction extends ActionSupport implements ServletRequestAware,
	ServletResponseAware {
	
	private final Logger log = Logger.getLogger(ListOAsAction.class);
	
	private static final long serialVersionUID = 1L;
	
	private HttpServletRequest request;
	private HttpServletResponse response;
	
	private ConfigurationProvider configuration;
	
	private List<OAListElement> formOAs;
	private AuthenticatedUser authUser; 
	private String friendlyname;
	
	public ListOAsAction() throws ConfigurationException {
		configuration = ConfigurationProvider.getInstance();
	}
	
	
	public String listAllOnlineAppliactions() {
		HttpSession session = request.getSession();
		if (session == null) {
			log.info("No http Session found.");
			return Constants.STRUTS_ERROR;
		}
		
		Object authUserObj = session.getAttribute(Constants.SESSION_AUTH);
		
		authUser = (AuthenticatedUser) authUserObj;
		
		List<OnlineApplication> dbOAs = null;
		
		if (authUser.isAdmin()) {
			dbOAs = ConfigurationDBRead.getAllOnlineApplications();
			
		} else {
			UserDatabase authUserDB = ConfigurationDBRead.getUserWithID(authUser.getUserID());
			
			if (authUserDB != null)
				dbOAs = authUserDB.getOnlineApplication();
		}
					
		if (dbOAs == null || dbOAs.size() == 0) {
			addActionError(LanguageHelper.getErrorString("errors.listOAs.noOA"));
			
		} else {
			formOAs = FormDataHelper.addFormOAs(dbOAs);
		}
		
		session.setAttribute(Constants.SESSION_RETURNAREA, 
				Constants.STRUTS_RETURNAREA_VALUES.main.name());
		
		ConfigurationDBUtils.closeSession();
		
		return Constants.STRUTS_SUCCESS;
	}
	
	public String searchOAInit() {
		
		Object authUserObj = request.getSession().getAttribute(Constants.SESSION_AUTH);
		
		authUser = (AuthenticatedUser) authUserObj;
	
		formOAs = null;
		friendlyname = "";
	
		return Constants.STRUTS_SUCCESS;
			
	}
	
	public String searchOA() {
		HttpSession session = request.getSession();
		if (session == null) {
			log.info("No http Session found.");
			return Constants.STRUTS_ERROR;
		}
		
		Object authUserObj = session.getAttribute(Constants.SESSION_AUTH);
		
		authUser = (AuthenticatedUser) authUserObj;
		
		if (MiscUtil.isEmpty(friendlyname)) {
			log.info("SearchOA textfield is empty");
			addActionError(LanguageHelper.getErrorString("validation.general.oafriendlyname.empty", request));
			return Constants.STRUTS_SUCCESS;
			
		} else {
			if (ValidationHelper.containsPotentialCSSCharacter(friendlyname, false)) {
				log.warn("SearchOA textfield contains potential XSS characters");
				addActionError(LanguageHelper.getErrorString("validation.general.oafriendlyname", 
						new Object[] {ValidationHelper.getPotentialCSSCharacter(false)}, request));
				return Constants.STRUTS_SUCCESS;
			}	
		}
		
		List<OnlineApplication> dbOAs = null;
		
		if (authUser.isAdmin()) {
			dbOAs = ConfigurationDBRead.searchOnlineApplications(friendlyname);
			
		} else {
			UserDatabase authUserDB = ConfigurationDBRead.getUserWithID(authUser.getUserID());
			if (authUserDB != null) {
				List<OnlineApplication> alldbOAs = authUserDB.getOnlineApplication();
				
				dbOAs = new ArrayList<OnlineApplication>();
				
				for (OnlineApplication el : alldbOAs) {
					if (el.getPublicURLPrefix()
							.toLowerCase().indexOf(friendlyname.toLowerCase()) > -1)
						dbOAs.add(el);
				}
			}
		}
		
		if (dbOAs == null || dbOAs.size() == 0) {
			log.debug("No OAs found with Identifier " + friendlyname);
			addActionError(LanguageHelper.getErrorString("errors.listOAs.noOA"));
			
		} else {
			
			formOAs = FormDataHelper.addFormOAs(dbOAs);
			session.setAttribute(Constants.SESSION_RETURNAREA, 
					Constants.STRUTS_RETURNAREA_VALUES.main.name());
			
		}
		
		ConfigurationDBUtils.closeSession();
	
		return Constants.STRUTS_SUCCESS;	
	}
		
	public void setServletResponse(HttpServletResponse arg0) {
		this.response = arg0;
	}
	public void setServletRequest(HttpServletRequest arg0) {
		this.request =  arg0;
	}


	/**
	 * @return the authUser
	 */
	public AuthenticatedUser getAuthUser() {
		return authUser;
	}


	/**
	 * @return the formOAs
	 */
	public List<OAListElement> getFormOAs() {
		return formOAs;
	}


	/**
	 * @return the friendlyname
	 */
	public String getFriendlyname() {
		return friendlyname;
	}


	/**
	 * @param friendlyname the friendlyname to set
	 */
	public void setFriendlyname(String friendlyname) {
		this.friendlyname = friendlyname;
	}	
	
	

}