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package org.apache.james.mpt.imapmailbox.jpa.host;

import java.time.Instant;

import javax.persistence.EntityManagerFactory;

import org.apache.james.backends.jpa.JpaTestCluster;
import org.apache.james.core.quota.QuotaCountLimit;
import org.apache.james.core.quota.QuotaSizeLimit;
import org.apache.james.events.EventBusTestFixture;
import org.apache.james.events.InVMEventBus;
import org.apache.james.events.MemoryEventDeadLetters;
import org.apache.james.events.delivery.InVmEventDelivery;
import org.apache.james.imap.api.process.ImapProcessor;
import org.apache.james.imap.encode.main.DefaultImapEncoderFactory;
import org.apache.james.imap.main.DefaultImapDecoderFactory;
import org.apache.james.imap.processor.main.DefaultImapProcessorFactory;
import org.apache.james.mailbox.AttachmentContentLoader;
import org.apache.james.mailbox.MailboxManager;
import org.apache.james.mailbox.SubscriptionManager;
import org.apache.james.mailbox.acl.MailboxACLResolver;
import org.apache.james.mailbox.acl.UnionMailboxACLResolver;
import org.apache.james.mailbox.jpa.JPAMailboxFixture;
import org.apache.james.mailbox.jpa.JPAMailboxSessionMapperFactory;
import org.apache.james.mailbox.jpa.mail.JPAModSeqProvider;
import org.apache.james.mailbox.jpa.mail.JPAUidProvider;
import org.apache.james.mailbox.jpa.openjpa.OpenJPAMailboxManager;
import org.apache.james.mailbox.jpa.quota.JPAPerUserMaxQuotaDAO;
import org.apache.james.mailbox.jpa.quota.JPAPerUserMaxQuotaManager;
import org.apache.james.mailbox.jpa.quota.JpaCurrentQuotaManager;
import org.apache.james.mailbox.store.SessionProviderImpl;
import org.apache.james.mailbox.store.StoreMailboxAnnotationManager;
import org.apache.james.mailbox.store.StoreRightManager;
import org.apache.james.mailbox.store.StoreSubscriptionManager;
import org.apache.james.mailbox.store.event.MailboxAnnotationListener;
import org.apache.james.mailbox.store.extractor.DefaultTextExtractor;
import org.apache.james.mailbox.store.mail.NaiveThreadIdGuessingAlgorithm;
import org.apache.james.mailbox.store.mail.model.DefaultMessageId;
import org.apache.james.mailbox.store.mail.model.impl.MessageParser;
import org.apache.james.mailbox.store.quota.DefaultUserQuotaRootResolver;
import org.apache.james.mailbox.store.quota.ListeningCurrentQuotaUpdater;
import org.apache.james.mailbox.store.quota.QuotaComponents;
import org.apache.james.mailbox.store.quota.StoreQuotaManager;
import org.apache.james.mailbox.store.search.MessageSearchIndex;
import org.apache.james.mailbox.store.search.SimpleMessageSearchIndex;
import org.apache.james.metrics.logger.DefaultMetricFactory;
import org.apache.james.metrics.tests.RecordingMetricFactory;
import org.apache.james.mpt.api.ImapFeatures;
import org.apache.james.mpt.api.ImapFeatures.Feature;
import org.apache.james.mpt.host.JamesImapHostSystem;
import org.apache.james.utils.UpdatableTickingClock;

import com.google.common.collect.ImmutableList;

public class JPAHostSystem extends JamesImapHostSystem {

    private static final JpaTestCluster JPA_TEST_CLUSTER = JpaTestCluster.create(
        ImmutableList.<Class<?>>builder()
            .addAll(JPAMailboxFixture.MAILBOX_PERSISTANCE_CLASSES)
            .addAll(JPAMailboxFixture.QUOTA_PERSISTANCE_CLASSES)
            .build());

    private static final ImapFeatures SUPPORTED_FEATURES = ImapFeatures.of(Feature.NAMESPACE_SUPPORT,
        Feature.USER_FLAGS_SUPPORT,
        Feature.ANNOTATION_SUPPORT,
        Feature.QUOTA_SUPPORT,
        Feature.MOVE_SUPPORT,
        Feature.MOD_SEQ_SEARCH);

    static JamesImapHostSystem build() {
        return new JPAHostSystem();
    }
    
    private JPAPerUserMaxQuotaManager maxQuotaManager;
    private OpenJPAMailboxManager mailboxManager;

    @Override
    public void beforeTest() throws Exception {
        super.beforeTest();
        EntityManagerFactory entityManagerFactory = JPA_TEST_CLUSTER.getEntityManagerFactory();
        JPAUidProvider uidProvider = new JPAUidProvider(entityManagerFactory);
        JPAModSeqProvider modSeqProvider = new JPAModSeqProvider(entityManagerFactory);
        JPAMailboxSessionMapperFactory mapperFactory = new JPAMailboxSessionMapperFactory(entityManagerFactory, uidProvider, modSeqProvider);

        MailboxACLResolver aclResolver = new UnionMailboxACLResolver();
        MessageParser messageParser = new MessageParser();


        InVMEventBus eventBus = new InVMEventBus(new InVmEventDelivery(new RecordingMetricFactory()), EventBusTestFixture.RETRY_BACKOFF_CONFIGURATION, new MemoryEventDeadLetters());
        StoreRightManager storeRightManager = new StoreRightManager(mapperFactory, aclResolver, eventBus);
        StoreMailboxAnnotationManager annotationManager = new StoreMailboxAnnotationManager(mapperFactory, storeRightManager);
        SessionProviderImpl sessionProvider = new SessionProviderImpl(authenticator, authorizator);
        DefaultUserQuotaRootResolver quotaRootResolver = new DefaultUserQuotaRootResolver(sessionProvider, mapperFactory);
        JpaCurrentQuotaManager currentQuotaManager = new JpaCurrentQuotaManager(entityManagerFactory);
        maxQuotaManager = new JPAPerUserMaxQuotaManager(entityManagerFactory, new JPAPerUserMaxQuotaDAO(entityManagerFactory));
        StoreQuotaManager storeQuotaManager = new StoreQuotaManager(currentQuotaManager, maxQuotaManager);
        ListeningCurrentQuotaUpdater quotaUpdater = new ListeningCurrentQuotaUpdater(currentQuotaManager, quotaRootResolver, eventBus, storeQuotaManager);
        QuotaComponents quotaComponents = new QuotaComponents(maxQuotaManager, storeQuotaManager, quotaRootResolver);
        AttachmentContentLoader attachmentContentLoader = null;
        MessageSearchIndex index = new SimpleMessageSearchIndex(mapperFactory, mapperFactory, new DefaultTextExtractor(), attachmentContentLoader);

        mailboxManager = new OpenJPAMailboxManager(mapperFactory, sessionProvider, messageParser, new DefaultMessageId.Factory(),
            eventBus, annotationManager, storeRightManager, quotaComponents, index, new NaiveThreadIdGuessingAlgorithm(), new UpdatableTickingClock(Instant.now()));

        eventBus.register(quotaUpdater);
        eventBus.register(new MailboxAnnotationListener(mapperFactory, sessionProvider));

        SubscriptionManager subscriptionManager = new StoreSubscriptionManager(mapperFactory, mapperFactory, eventBus);
        
        ImapProcessor defaultImapProcessorFactory =
                DefaultImapProcessorFactory.createDefaultProcessor(
                        mailboxManager,
                        eventBus,
                        subscriptionManager, 
                        storeQuotaManager,
                        quotaRootResolver,
                        new DefaultMetricFactory());

        configure(new DefaultImapDecoderFactory().buildImapDecoder(),
                new DefaultImapEncoderFactory().buildImapEncoder(),
                defaultImapProcessorFactory);
    }

    @Override
    public void afterTest() {
        JPA_TEST_CLUSTER.clear(ImmutableList.<String>builder()
            .addAll(JPAMailboxFixture.MAILBOX_TABLE_NAMES)
            .addAll(JPAMailboxFixture.QUOTA_TABLES_NAMES)
            .build());
    }

    @Override
    protected MailboxManager getMailboxManager() {
        return mailboxManager;
    }

    @Override
    public boolean supports(Feature... features) {
        return SUPPORTED_FEATURES.supports(features);
    }

    @Override
    public void setQuotaLimits(QuotaCountLimit maxMessageQuota, QuotaSizeLimit maxStorageQuota) {
        maxQuotaManager.setGlobalMaxMessage(maxMessageQuota);
        maxQuotaManager.setGlobalMaxStorage(maxStorageQuota);
    }

    @Override
    protected void await() {

    }
}
