package com.megatim.fdxconsultation.core.impl.api.token;

import com.bekosoftware.genericdaolayer.dao.ifaces.GenericDAO;
import com.bekosoftware.genericdaolayer.dao.tools.RestrictionsContainer;
import com.bekosoftware.genericmanagerlayer.core.impl.AbstractGenericManager;
import com.google.common.hash.Hashing;
import com.megatim.fdxcommons.model.enumeration.OrderByType;
import com.megatim.fdxcommons.model.enumeration.TypeOperation;
import com.megatim.fdxcommons.model.jms.messages.ApiTokenMessage;
import com.megatim.fdxcommons.model.jms.messages.ApiTokenMessageType;
import com.megatim.fdxcommons.model.pojo.CriteriaEntityFromView;
import com.megatim.fdxcommons.model.pojo.CriteriaFormRequest;
import com.megatim.fdxcommons.model.pojo.OrderByDefinition;
import com.megatim.fdxcommons.tools.exceptions.CommonApplicationValidationException;
import com.megatim.fdxconsultation.core.ifaces.api.token.ApiTokenManager;
import com.megatim.fdxconsultation.dao.ifaces.abstracts.PaginationWithCriteriaEntityDAO;
import com.megatim.fdxconsultation.dao.ifaces.api.token.ApiTokenDAO;
import com.megatim.fdxconsultation.model.administration.User;
import com.megatim.fdxconsultation.model.api.token.ApiToken;
import com.megatim.fdxconsultation.reporting.model.api.token.ApiTokenReporting;
import com.megatim.fdxconsultation.model.api.token.ApiTokenStatut;
import com.megatim.fdxconsultation.model.dto.ApiTokenDto;
import com.megatim.fdxconsultation.model.mappers.MapStructMapper;
import com.megatim.fdxconsultation.model.searchentities.ApiTokenSearch;
import com.megatim.fdxconsultation.tools.CommonsToolsEntity;
import com.megatim.fdxconsultation.tools.context.AppCommonContext;
import com.megatim.reporting.adhoc.dto.ReportConfiguration;
import com.mgt.rs.security.core.service.AuthenticationTokenService;
import java.io.File;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ejb.EJB;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import javax.transaction.Transactional;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.cdi.CdiCamelContext;

/**
 *
 * @author ASUS
 */
@Dependent
public class ApiTokenManagerImpl extends AbstractGenericManager<ApiToken, Long> implements ApiTokenManager {

    @EJB
    private ApiTokenDAO dao;

    @Inject
    private AuthenticationTokenService authenticationTokenService;

    @Inject
    private CdiCamelContext camelContext;

    @Inject
    private MapStructMapper mapStructMapper;
    
    @Inject
    com.megatim.fdxcommons.model.mappers.MapStructMapper commonMapper;

    @Override
    public GenericDAO<ApiToken, Long> getDao() {
        return dao;
    }

    @Override
    public String addAndGetToken(ApiToken apiToken, User connectedUser) {
        if (dao.getByCodeParticipant(apiToken.getParticipant()) != null) {
            throw new CommonApplicationValidationException("Le participant sélectionné possède déjà un mot de passe généré.");
        }

        String token = authenticationTokenService.issueToken(apiToken.getParticipant().getCode());
        apiToken.setToken(Hashing.sha256().hashString(token, StandardCharsets.UTF_8).toString());

        apiToken.setDateCreation(new Date());
        apiToken.setTypeOperation(TypeOperation.AJOUTER);
        apiToken.setUtilisateurCreation(connectedUser != null ? connectedUser.getUserName() : null);
        save(apiToken);

        //Création de l'objet JMS à envoyer à l'API pour l'enregistrement du Token
        ApiTokenMessage apiTokenMessage = new ApiTokenMessage();
        apiTokenMessage.setCodeParticipant(apiToken.getParticipant().getCode());
        apiTokenMessage.setToken(apiToken.getToken());
        apiTokenMessage.setApiTokenMessageType(ApiTokenMessageType.ADD);
        sendMessage(apiTokenMessage);

        return token;
    }

    @Transactional
    @Override
    public String updateAndGetToken(Long id, ApiToken apiToken, User connectedUser) {
        ApiToken entityFromDB = find(getEntityIdName(),id);

        //On génère le token
        String token = authenticationTokenService.issueToken(entityFromDB.getParticipant().getCode());
        entityFromDB.setToken(Hashing.sha256().hashString(token, StandardCharsets.UTF_8).toString());

        entityFromDB.setDateDerniereModification(new Date());
        entityFromDB.setUtilisateurModification(connectedUser != null ? connectedUser.getUserName() : null);
        
        save(entityFromDB);

        //Création de l'objet JMS à envoyer à l'API pour l'enregistrement du Token
        ApiTokenMessage apiTokenMessage = new ApiTokenMessage();
        apiTokenMessage.setCodeParticipant(entityFromDB.getParticipant().getCode());
        apiTokenMessage.setToken(entityFromDB.getToken());
        apiTokenMessage.setApiTokenMessageType(ApiTokenMessageType.UPDATE);
        sendMessage(apiTokenMessage);

        return token;
    }

    private void sendMessage(ApiTokenMessage apiTokenMessage) {
        ProducerTemplate producerTemplate = camelContext.createProducerTemplate();
        producerTemplate.sendBody("direct:" + AppCommonContext.TOKEN_GENERATION_DIRECT, apiTokenMessage);
    }

    @Override
    public ApiToken lock(Long id, User connectedUser) {        
        ApiToken apiToken = find(getEntityIdName(),id);
        apiToken.setApiTokenStatut(ApiTokenStatut.LOCKED);

        //Création de l'objet JMS à envoyer à l'API pour l'enregistrement du Token
        ApiTokenMessage apiTokenMessage = new ApiTokenMessage();
        apiTokenMessage.setCodeParticipant(apiToken.getParticipant().getCode());
        apiTokenMessage.setApiTokenMessageType(ApiTokenMessageType.LOCKED);

        //Envoi du message à l'API Web
        sendMessage(apiTokenMessage);

        return update(id, apiToken);
    }

    @Override
    public ApiToken unLock(Long id, User connectedUser) {
        ApiToken apiToken = find(getEntityIdName(),id);
        apiToken.setApiTokenStatut(ApiTokenStatut.UNLOCKED);

        //Création de l'objet JMS à envoyer à l'API pour l'enregistrement du Token
        ApiTokenMessage apiTokenMessage = new ApiTokenMessage();
        apiTokenMessage.setCodeParticipant(apiToken.getParticipant().getCode());
        apiTokenMessage.setApiTokenMessageType(ApiTokenMessageType.UNLOCKED);

        //Envoi du message à l'API Web
        sendMessage(apiTokenMessage);

        return update(id, apiToken);
    }

    @Override
    public File printAll(ReportConfiguration<CriteriaFormRequest> reportConfiguration, User userConnected) throws Exception {
        return generatePdf(finalReportConfiguration(reportConfiguration), userConnected, false );
    }

    @Override
    public File printOne(ReportConfiguration<CriteriaFormRequest> reportConfiguration, User userConnected) throws Exception {
        return generatePdf(finalReportConfiguration(reportConfiguration), userConnected, true);
    }

    @Override
    public File exportExcelAll(ReportConfiguration<CriteriaFormRequest> reportConfiguration, User userConnected) throws Exception {
        return exportExcel(finalReportConfiguration(reportConfiguration), userConnected, false);
    }

    @Override
    public File exportExcelOne(ReportConfiguration<CriteriaFormRequest> reportConfiguration, User userConnected) throws Exception {
        return exportExcel(finalReportConfiguration(reportConfiguration), userConnected, true);
    }
    
    @Override
    public String getEntityIdName() {
        return "id";
    }

    @Override
    public Class<ApiTokenReporting> getClazz() {
        return ApiTokenReporting.class;
    }

    @Override
    public List<ApiTokenReporting> getDatas(CriteriaEntityFromView searchEntity) throws Exception {
        return CommonsToolsEntity.convertToApiTokenReporting(findAll(searchEntity, Arrays.asList(), Arrays.asList(new OrderByDefinition(getEntityIdName(), OrderByType.DESC))));
    }

    @Override
    public Map<String, Object> getParameters() {
        return new HashMap<>();
    }

    @Override
    public PaginationWithCriteriaEntityDAO<ApiToken, Long> paginationWithCriteriaEntityDAO() {
        return dao;
    }

    @Override
    public void beforeAdd(ApiToken entity, User connectedUser) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public void beforeRemove(ApiToken entity, User connectedUser) {
        entity.setTypeOperation(TypeOperation.SUPPRIMER);
        entity.setDateSuppression(new Date());
        entity.setUtilisateurSuppression(connectedUser.getUserName());
    }

    @Override
    public void beforeModify(ApiToken actualEntity, ApiToken requestEntity, User connectedUser) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public ApiTokenDto mapToDto(ApiToken entity) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public ApiTokenDto mapToDetailDto(ApiToken entity) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public RestrictionsContainer construireRequete(ApiTokenSearch searchEntity, TypeOperation typeOperation) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
    
}