package com.ether;

import com.ether.annotation.ControllerMethod;
import com.ether.annotation.ParamName;
import com.ether.user.User;
import net.sf.json.JSONObject;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jetbrains.annotations.NotNull;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

/**
 * @author vmipsl
 * @date 15 march 2012
 */
public class ControllerEponge
        extends ControllerEther
{
    /** *********************************************************** **/
    /** *********************** VIEWS ***************************** **/
    /** *********************************************************** **/
    /**
     * Home method
     *
     * @return
     * @throws WebException
     */
    @ControllerMethod(view = VIEW_INIT)
    public Map<String, Object> home()
            throws WebException
    {
        return new HashMap<String, Object>();
    }

    /** *********************************************************** **/
    /** *********************** CALLS ***************************** **/
    /** *********************************************************** **/
    /**
     * This method logs a user
     *
     * @param login
     * @param password
     * @param request
     * @return
     * @throws ServiceException
     */
    @ControllerMethod(requestMandatory = true, jsonResult = true)
    public JSONObject login( @ParamName(ParameterConstants.PARAMETER_LOGIN) final String login,
                             @ParamName(ParameterConstants.PARAMETER_PWD) final String password,
                             @NotNull final HttpServletRequest request )
            throws ServiceException
    {
        final JSONObject jSONUser = new JSONObject();
        final JSONObject result = new JSONObject();

        if( login != null && password != null )
        {
            try
            {
//                final User user = getTapasService().getUserByEmail( login );
//                final String encryptedPassword = EtherHelper.encryptPassword( password );
//                if( user == null )
//                    result.put( "errors", "login.error.notFound" );
//                else if( !encryptedPassword.equals( user.getPassword() ) )
//                    result.put( "errors", "login.error.wrongPassword" );
//                else
//                {
//                    request.getSession().setAttribute( "SES_USER", user );
//                    jSONUser.put( "name", user.getLastName() );
//                    jSONUser.put( "firstName", user.getFirstName() );
//                    jSONUser.put( "role", user.getRole().name() );
//                }
            }
            catch( Exception e )
            {
                result.put( "errors", "login.error.failed" );
            }
        }

        if( !jSONUser.isEmpty() )
            result.put( "jSONUser", jSONUser );
        return result;
    }

    @ControllerMethod(requestMandatory = true, jsonResult = true)
    public JSONObject logout( @NotNull final HttpServletRequest request )
            throws ServiceException
    {
        request.getSession().setAttribute( "SES_USER", null );
        request.getSession().invalidate();

        return new JSONObject();
    }


//    @ControllerMethod(jsonResult = true)
//    public JSONObject createAccount( @NotNull @ParamName(ParameterConstants.PARAMETER_NAME) final String lastName,
//                                     @Nullable @ParamName(ParameterConstants.PARAMETER_FIRST_NAME) final String firstName,
//                                     @NotNull @ParamName(ParameterConstants.PARAMETER_EMAIL) final String email,
//                                     @NotNull @ParamName(ParameterConstants.PARAMETER_PWD) final String password,
//                                     @Nullable @ParamName(ParameterConstants.PARAMETER_LABORATORY) final String laboratory,
//                                     @Nullable @ParamName(ParameterConstants.PARAMETER_COUNTRY) final String country )
//            throws ServiceException, WebException
//    {
//        try
//        {
//            final User existingUser = getTapasService().getUserByEmail( email );
//            if( null == existingUser )
//            {
//                final Date creationDate = new Date();
//
//                final String encryptedPassword = EtherHelper.encryptPassword( password );
//                final User user = new User( lastName, firstName, email, encryptedPassword, UserRole.USER, false, laboratory, country, creationDate );
//
//                getTapasService().createUser( user );
//
//                // Send email to administrator to inform there is a new account
//                sendEmailToAdministratorAndUser( user );
//            }
//            else
//                throw new WebException( WebException.WebCode.USER_ALREADY_EXISTS, "This email already corresponds to an User", WebException.getExceptionThrowable() );
//        }
//        catch( DigestException e )
//        {
//            throw new WebException( WebException.WebCode.ERROR_ENCRYPT_PASSWORD, "This password cannot be encrypted" );
//        }
//        catch( NoSuchAlgorithmException e )
//        {
//            throw new WebException( WebException.WebCode.ERROR_ENCRYPT_PASSWORD, "This password cannot be encrypted" );
//        }
//
//        return new JSONObject();
//    }

    /**
     * This method create and send an email to :
     * - the administrator to inform there is a new created account
     * - the user to inform his account is created
     *
     * @param user
     * @throws WebException
     */
    private void sendEmailToAdministratorAndUser( @NotNull final User user )
            throws WebException
    {
        try
        {
            final String host = getProperty( "mail.host" );
            final String webMaster = getProperty( "mail.webmaster" );
            final JavaMailSenderImpl sender = new JavaMailSenderImpl();
            sender.setHost( host );

            final MimeMessage message = sender.createMimeMessage();
            final MimeMessageHelper helper = new MimeMessageHelper( message );

            // Mail Admin
            final String subjectAdmin = "[TAPAS] Nouveau compte utilisateur";
            final String contentAdmin = "Nouvelle création de compte : \n\n" +
                    "   - Nom : " + user.getLastName() + '\n' +
                    "   - Prénom : " + user.getFirstName() + '\n' +
                    "   - Email : " + user.getEmail() + "\n\n" +
                    "Le serveur de mail masqué";

            helper.setFrom( webMaster );
            helper.setTo( webMaster );
            helper.setSubject( subjectAdmin );
            helper.setText( contentAdmin );
            sender.send( message );

            // Mail User
            final String subjectUser = "[TAPAS] New account";
            final String contentUser = "Dear " + user.getLastName() + "\n\n" +
                    "Your account on TAPAS is now created. You can access to the website with your email as login and your password.\n\n" +
                    "The TAPAS Administrator";

            helper.setFrom( webMaster );
            helper.setTo( user.getEmail() );
            helper.setSubject( subjectUser );
            helper.setText( contentUser );
            sender.send( message );
        }
        catch( MessagingException e )
        {
            throw new WebException( WebException.WebCode.ERROR_EMAIL_CANNOT_BE_SEND, "The email cannot be send to the TAPAS administrator or USER" );
        }
    }

//    @ControllerMethod(downloadFile = DOWNLOAD_DATA_PROTOCOL_EN)
//    public void downloadFileDataProtocolEn()
//    {
//    }
//
//    @ControllerMethod(downloadFile = DOWNLOAD_DATA_PROTOCOL_FR)
//    public void downloadFileDataProtocolFr()
//    {
//    }
//
    private static final Log LOGGER = LogFactory.getLog( ControllerEponge.class );

    private static final String VIEW_INIT = "init";
    private static final String VIEW_DATA_PROTOCOL_EN = "project/home_dataProtocol_en";
    // TODO : mettre les bons fichiers de Dataprotocol
    private static final String DOWNLOAD_DATA_PROTOCOL_EN = "bib.txt";
    private static final String DOWNLOAD_DATA_PROTOCOL_FR = "bib.txt";
}