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package org.apache.james.mock.smtp.server;

import static org.apache.james.mock.smtp.server.Fixture.BEHAVIOR_LIST;
import static org.assertj.core.api.Assertions.assertThat;

import org.apache.james.mock.smtp.server.Fixture.MailsFixutre;
import org.apache.james.mock.smtp.server.model.SMTPExtension;
import org.apache.james.mock.smtp.server.model.SMTPExtensions;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.testcontainers.shaded.com.google.common.collect.ImmutableList;

class ConfigurationClientTest {
    private ConfigurationClient testee;
    private HTTPConfigurationServer.RunningStage server;
    private SMTPBehaviorRepository behaviorRepository;
    private ReceivedMailRepository mailRepository;

    @BeforeEach
    void setUp() {
        behaviorRepository = new SMTPBehaviorRepository();
        mailRepository = new ReceivedMailRepository();
        server = HTTPConfigurationServer.onRandomPort(behaviorRepository, mailRepository)
            .start();

        testee = ConfigurationClient.fromServer(server);
    }

    @AfterEach
    void tearDown() {
        server.stop();
    }

    @Test
    void listBehaviorsShouldReturnEmptyWhenNoSet() {
        assertThat(testee.listBehaviors())
            .isEmpty();
    }

    @Test
    void listSMTPExtensionsShouldReturnEmptyWhenNoSet() {
        assertThat(testee.listSMTPExtensions().getSmtpExtensions())
            .isEmpty();
    }

    @Test
    void listBehaviorsShouldReturnDefinedBehaviors() {
        behaviorRepository.setBehaviors(Fixture.BEHAVIORS);

        assertThat(testee.listBehaviors())
            .isEqualTo(Fixture.BEHAVIORS.getBehaviorList());
    }

    @Test
    void listSMTPExtensionsShouldReturnDefinedExtensions() {
        SMTPExtensions smtpExtensions = SMTPExtensions.of(SMTPExtension.of("DSN"), SMTPExtension.of("XYZ"));
        testee.setSMTPExtensions(smtpExtensions);

        assertThat(testee.listSMTPExtensions())
            .isEqualTo(smtpExtensions);
    }

    @Test
    void listSMTPExtensionsShouldOverwritePreviouslyDefinedExtensions() {
        testee.setSMTPExtensions(SMTPExtensions.of(SMTPExtension.of("XYZ")));
        testee.setSMTPExtensions(SMTPExtensions.of(SMTPExtension.of("DSN")));

        assertThat(testee.listSMTPExtensions().getSmtpExtensions())
            .isEqualTo(ImmutableList.of(SMTPExtension.of("DSN")));
    }

    @Test
    void listSMTPExtensionsShouldNotReturnPreviouslyClearedExtensions() {
        SMTPExtensions smtpExtensions = SMTPExtensions.of(SMTPExtension.of("DSN"), SMTPExtension.of("XYZ"));
        testee.setSMTPExtensions(smtpExtensions);

        testee.clearSMTPExtensions();

        assertThat(testee.listSMTPExtensions().getSmtpExtensions())
            .isEmpty();
    }

    @Test
    void setBehaviorsShouldStoreBehaviors() {
        testee.setBehaviors(BEHAVIOR_LIST);

        assertThat(testee.listBehaviors())
            .isEqualTo(BEHAVIOR_LIST);
    }

    @Test
    void clearBehaviorsShouldRemoveAllBehaviors() {
        testee.setBehaviors(BEHAVIOR_LIST);

        testee.clearBehaviors();

        assertThat(testee.listBehaviors())
            .isEmpty();
    }

    @Test
    void listMailsShouldReturnEmptyWhenNoStore() {
        assertThat(testee.listMails())
            .isEmpty();
    }

    @Test
    void listMailsShouldReturnStoredMails() {
        mailRepository.store(MailsFixutre.MAIL_1);
        mailRepository.store(MailsFixutre.MAIL_2);

        assertThat(testee.listMails())
            .containsExactly(MailsFixutre.MAIL_1, MailsFixutre.MAIL_2);
    }

    @Test
    void shouldReturnVersion() {
        mailRepository.store(MailsFixutre.MAIL_1);
        mailRepository.store(MailsFixutre.MAIL_2);

        assertThat(testee.version())
            .isEqualTo("0.4");
    }

    @Test
    void clearMailsRemoveAllStoredMails() {
        mailRepository.store(MailsFixutre.MAIL_1);
        mailRepository.store(MailsFixutre.MAIL_2);

        testee.clearMails();

        assertThat(testee.listMails())
            .isEmpty();
    }

}
