package eu.eudat.managers;

import eu.eudat.dao.entities.UserInfoDao;
import eu.eudat.dao.entities.UserRoleDao;
import eu.eudat.entities.Credential;
import eu.eudat.entities.UserRole;
import eu.eudat.exceptions.UnauthorisedException;
import eu.eudat.models.helpers.common.DataTableData;
import eu.eudat.models.login.Credentials;
import eu.eudat.models.security.Principal;
import eu.eudat.models.userinfo.UserInfo;
import eu.eudat.models.userinfo.UserInfoTableRequestItem;
import eu.eudat.models.userinfo.UserListingModel;
import eu.eudat.queryable.QueryableList;
import eu.eudat.services.ApiContext;
import eu.eudat.services.AuthenticationService;
import eu.eudat.utilities.builders.DomainModelConverter;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

import eu.eudat.utilities.builders.XmlBuilder;

import java.util.List;

public class UserManager {
	public static eu.eudat.models.user.composite.DatasetProfile generateDatasetProfileModel(eu.eudat.entities.DatasetProfile profile){
		Document viewStyleDoc = XmlBuilder.fromXml(profile.getDefinition());
		Element root = (Element)viewStyleDoc.getDocumentElement();
		eu.eudat.entities.xmlmodels.datasetprofiledefinition.ViewStyleModel viewstyle= new eu.eudat.entities.xmlmodels.datasetprofiledefinition.ViewStyleModel().fromXml(root);

		eu.eudat.models.user.composite.DatasetProfile datasetprofile = new eu.eudat.models.user.composite.DatasetProfile();
		datasetprofile.buildProfile(viewstyle);
		
		return datasetprofile;
	}

	public static DataTableData<UserListingModel> getPaged(UserInfoDao userInfoDao , UserInfoTableRequestItem userInfoTableRequestItem) throws Exception {
		QueryableList<eu.eudat.entities.UserInfo> users = userInfoDao.getWithCriteria(userInfoTableRequestItem.getCriteria());
		QueryableList<eu.eudat.entities.UserInfo> pagedUsers = PaginationManager.applyPaging(users,userInfoTableRequestItem);
		List<UserListingModel> modelUsers = new DomainModelConverter<eu.eudat.entities.UserInfo,UserListingModel>().fromDataModel(pagedUsers.toList(),UserListingModel.class);
		DataTableData<UserListingModel> dataTableData = new DataTableData<>();
		dataTableData.setData(modelUsers);
		dataTableData.setTotalCount(users.count());
		return dataTableData;
	}

	public static void editRoles(ApiContext apiContext, UserListingModel user){
		eu.eudat.entities.UserInfo userInfo = apiContext.getDatabaseRepository().getUserInfoDao().find(user.getId());
		userInfo.getUserRoles().removeAll(userInfo.getUserRoles());
		userInfo = apiContext.getDatabaseRepository().getUserInfoDao().createOrUpdate(userInfo);
		for(Integer role : user.getAppRoles()){
			UserRole userRole = new UserRole();
			userRole.setRole(role);
			userRole.setUserInfo(userInfo);
			apiContext.getDatabaseRepository().getUserRoleDao().createOrUpdate(userRole);
		}
	}

	public static Principal authenticate(AuthenticationService authenticationService, Credentials credentials){
		Principal principal = authenticationService.Touch(credentials);
		if(principal == null) throw new UnauthorisedException("Could not Sign In User");
		return principal;
	}
}