package de.mpiwg.web.jsp;

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

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

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;

import de.mpiwg.gazetteer.dataverse.DataverseUtils;
import de.mpiwg.gazetteer.dataverse.bo.VDCUser;
import de.mpiwg.gazetteer.utils.DataProvider;

public class SessionBean extends AbstractJSPPage {

	private static Logger logger = Logger.getLogger(SessionBean.class);
	public static final String BEAN_NAME = "sessionBean";
	
	private List<String> msgList = new ArrayList<String>();
	
	
	
	private VDCUser user;
	private String userName;
	private String password;
	
	private String currentSectionId = "5190882";
	private SearchPage searchPage = new SearchPage();
	private HomePage homePage = new HomePage();
	private CreateFilePage createFilePage = new CreateFilePage();
	private BranchPage branchPage = new BranchPage();
	
	private BooksPage booksPage = new BooksPage();
	private FullTextSearchPage fullTextSearchPage = new FullTextSearchPage();

	private TopicListPage topicListPage = new TopicListPage();
	private TopicPage topicPage = new TopicPage();
	
	public SessionBean(){
		logger.info("\n\n### SessionBean #####\n\n");
	}
	
	
	public void loadParameters(HttpServletRequest request, HttpServletResponse response){
		this.request = request;
		this.response = response;
		
		this.userName = getParameter("userName");
		this.password = getParameter("password");
	}
	
	public void reset(){
		this.user = null;
		this.searchPage = new SearchPage();
		this.homePage = new HomePage();
		this.createFilePage = new CreateFilePage();
		this.branchPage = new BranchPage();
		
		this.booksPage = new BooksPage();
		this.fullTextSearchPage = new FullTextSearchPage();
		this.topicListPage = new TopicListPage();
		this.topicPage = new TopicPage();

		this.userName = new String();
		this.password = new String();
		
	}
	
	public List<String> getMsgList() {
		return msgList;
	}

	public void setMsgList(List<String> msgList) {
		this.msgList = msgList;
	}

	public void resetMsgList(){
		this.msgList = null;
	}
	
	public void logout(){
		this.reset();
	}
	
	public void login(){
		try {
			this.user = DataverseUtils.login(userName, password);
			
			if(this.user != null){
				
				List<String> theUserGroups = new ArrayList<String>();
				theUserGroups.add("mpiwg");
				theUserGroups.add("nuist");
				
				// check if user has role in the "Chinese Local Gazetteers" Dataverse, rather than the following hardcoded checking
				// use dvn/getRoleAssignments?user=&password=&datasetId=
				if ( StringUtils.equals(userName, "dataverseAdmin") || DataverseUtils.isUserInLG(userName, password) || DataverseUtils.isUserInGroups(this.user.getUserName(), theUserGroups)){
					
					this.user.setPassword(this.password);
					this.homePage.loadParameters(request, response);
					this.homePage.reloadBranches();	
					
					
					
				} else {					
					this.user = null;
					
					addMsg("Please contact/email us to activate your account!");
				}
				
				
				// -----
			}else{
				addMsg("User account not found, or username and password do not match!");
			}
						
		} catch (Exception e) {
			internalError(e);
		}
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public VDCUser getUser() {
		return user;
	}

	public void setUser(VDCUser user) {
		this.user = user;
	}

	public String getUserName() {
		return userName;
	}

	public void setUserName(String userName) {
		this.userName = userName;
	}	

	public String getCurrentSectionId() {
		return currentSectionId;
	}

	public void setCurrentSectionId(String currentSectionId) {
		this.currentSectionId = currentSectionId;
	}

	public SearchPage getSearchPage() {
		return searchPage;
	}

	public BooksPage getBooksPage(){
		return booksPage;
	}
	
	public void setSearchPage(SearchPage searchPage) {
		this.searchPage = searchPage;
	}


	public HomePage getHomePage() {
		return homePage;
	}

	
	public void setHomePage(HomePage homePage) {
		this.homePage = homePage;
	}


	public CreateFilePage getCreateFilePage() {
		return createFilePage;
	}


	public void setCreateFilePage(CreateFilePage createFilePage) {
		this.createFilePage = createFilePage;
	}


	public BranchPage getBranchPage() {
		return branchPage;
	}


	public void setBranchPage(BranchPage branchPage) {
		this.branchPage = branchPage;
	}


	public FullTextSearchPage getFullTextSearchPage() {
		return fullTextSearchPage;
	}


	public void setFullTextSearchPage(FullTextSearchPage fullTextSearchPage) {
		this.fullTextSearchPage = fullTextSearchPage;
	}


	public TopicListPage getTopicListPage() {
		return topicListPage;
	}


	public void setTopicListPage(TopicListPage topicListPage) {
		this.topicListPage = topicListPage;
	}


	public TopicPage getTopicPage() {
		return topicPage;
	}


	public void setTopicPage(TopicPage topicPage) {
		this.topicPage = topicPage;
	}


}