<%#
 Copyright 2013-2017 the original author or authors from the JBooter project.

 This file is part of the JBooter project, see https://jbooter.github.io/
 for more information.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
-%>
package <%=packageName%>.service;
<% if (databaseType == 'cassandra') { %>
import <%=packageName%>.AbstractCassandraTest;<% } %>
import <%=packageName%>.<%= mainClass %>;
import <%=packageName%>.domain.User;
import io.github.jbooter.config.JBooterProperties;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.MockitoAnnotations;
import org.mockito.Spy;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.MessageSource;
import org.springframework.mail.MailSendException;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.test.context.junit4.SpringRunner;
import org.thymeleaf.spring4.SpringTemplateEngine;

import javax.mail.Multipart;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import java.io.ByteArrayOutputStream;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.*;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = <%= mainClass %>.class)
public class MailServiceIntTest <% if (databaseType == 'cassandra') { %>extends AbstractCassandraTest <% } %>{

    @Autowired
    private JBooterProperties jBooterProperties;

    @Autowired
    private MessageSource messageSource;

    @Autowired
    private SpringTemplateEngine templateEngine;

    @Spy
    private JavaMailSenderImpl javaMailSender;

    @Captor
    private ArgumentCaptor messageCaptor;

    private MailService mailService;

    @Before
    public void setup() {
        MockitoAnnotations.initMocks(this);
        doNothing().when(javaMailSender).send(any(MimeMessage.class));
        mailService = new MailService(jBooterProperties, javaMailSender, messageSource, templateEngine);
    }

    @Test
    public void testSendEmail() throws Exception {
        mailService.sendEmail("john.doe@example.com", "testSubject","testContent", false, false);
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        assertThat(message.getSubject()).isEqualTo("testSubject");
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo("john.doe@example.com");
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent()).isInstanceOf(String.class);
        assertThat(message.getContent().toString()).isEqualTo("testContent");
        assertThat(message.getDataHandler().getContentType()).isEqualTo("text/plain; charset=UTF-8");
    }

    @Test
    public void testSendHtmlEmail() throws Exception {
        mailService.sendEmail("john.doe@example.com", "testSubject","testContent", false, true);
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        assertThat(message.getSubject()).isEqualTo("testSubject");
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo("john.doe@example.com");
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent()).isInstanceOf(String.class);
        assertThat(message.getContent().toString()).isEqualTo("testContent");
        assertThat(message.getDataHandler().getContentType()).isEqualTo("text/html;charset=UTF-8");
    }

    @Test
    public void testSendMultipartEmail() throws Exception {
        mailService.sendEmail("john.doe@example.com", "testSubject","testContent", true, false);
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        MimeMultipart mp = (MimeMultipart) message.getContent();
        MimeBodyPart part = (MimeBodyPart)((MimeMultipart) mp.getBodyPart(0).getContent()).getBodyPart(0);
        ByteArrayOutputStream aos = new ByteArrayOutputStream();
        part.writeTo(aos);
        assertThat(message.getSubject()).isEqualTo("testSubject");
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo("john.doe@example.com");
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent()).isInstanceOf(Multipart.class);
        assertThat(aos.toString()).isEqualTo("\r\ntestContent");
        assertThat(part.getDataHandler().getContentType()).isEqualTo("text/plain; charset=UTF-8");
    }

    @Test
    public void testSendMultipartHtmlEmail() throws Exception {
        mailService.sendEmail("john.doe@example.com", "testSubject","testContent", true, true);
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        MimeMultipart mp = (MimeMultipart) message.getContent();
        MimeBodyPart part = (MimeBodyPart)((MimeMultipart) mp.getBodyPart(0).getContent()).getBodyPart(0);
        ByteArrayOutputStream aos = new ByteArrayOutputStream();
        part.writeTo(aos);
        assertThat(message.getSubject()).isEqualTo("testSubject");
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo("john.doe@example.com");
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent()).isInstanceOf(Multipart.class);
        assertThat(aos.toString()).isEqualTo("\r\ntestContent");
        assertThat(part.getDataHandler().getContentType()).isEqualTo("text/html;charset=UTF-8");
    }

    @Test
    public void testSendEmailFromTemplate() throws Exception {
        User user = new User();
        user.setLogin("john");
        user.setEmail("john.doe@example.com");
        user.setLangKey("en");
        mailService.sendEmailFromTemplate(user, "testEmail", "email.test.title");
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        assertThat(message.getSubject()).isEqualTo("test title");
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo(user.getEmail());
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent().toString()).isEqualTo("<html>test title, http://127.0.0.1:8080, john</html>\n");
        assertThat(message.getDataHandler().getContentType()).isEqualTo("text/html;charset=UTF-8");
    }

    @Test
    public void testSendActivationEmail() throws Exception {
        User user = new User();
        user.setLangKey("<%= nativeLanguage %>");
        user.setLogin("john");
        user.setEmail("john.doe@example.com");
        mailService.sendActivationEmail(user);
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo(user.getEmail());
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent().toString()).isNotEmpty();
        assertThat(message.getDataHandler().getContentType()).isEqualTo("text/html;charset=UTF-8");
    }

    @Test
    public void testCreationEmail() throws Exception {
        User user = new User();
        user.setLangKey("<%= nativeLanguage %>");
        user.setLogin("john");
        user.setEmail("john.doe@example.com");
        mailService.sendCreationEmail(user);
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo(user.getEmail());
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent().toString()).isNotEmpty();
        assertThat(message.getDataHandler().getContentType()).isEqualTo("text/html;charset=UTF-8");
    }

    @Test
    public void testSendPasswordResetMail() throws Exception {
        User user = new User();
        user.setLangKey("<%= nativeLanguage %>");
        user.setLogin("john");
        user.setEmail("john.doe@example.com");
        mailService.sendPasswordResetMail(user);
        verify(javaMailSender).send((MimeMessage) messageCaptor.capture());
        MimeMessage message = (MimeMessage) messageCaptor.getValue();
        assertThat(message.getAllRecipients()[0].toString()).isEqualTo(user.getEmail());
        assertThat(message.getFrom()[0].toString()).isEqualTo("test@localhost");
        assertThat(message.getContent().toString()).isNotEmpty();
        assertThat(message.getDataHandler().getContentType()).isEqualTo("text/html;charset=UTF-8");
    }

    @Test
    public void testSendEmailWithException() throws Exception {
        doThrow(MailSendException.class).when(javaMailSender).send(any(MimeMessage.class));
        mailService.sendEmail("john.doe@example.com", "testSubject","testContent", false, false);
    }

}