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package org.apache.james.mailbox.quota.mailing.listeners;

import org.apache.james.domainlist.api.DomainList;
import org.apache.james.events.Event;
import org.apache.james.events.EventBus;
import org.apache.james.events.EventBusTestFixture;
import org.apache.james.events.InVMEventBus;
import org.apache.james.events.MemoryEventDeadLetters;
import org.apache.james.events.RegistrationKey;
import org.apache.james.events.delivery.InVmEventDelivery;
import org.apache.james.eventsourcing.eventstore.EventStore;
import org.apache.james.filesystem.api.FileSystem;
import org.apache.james.mailbox.exception.MailboxException;
import org.apache.james.mailbox.quota.mailing.QuotaMailingListenerConfiguration;
import org.apache.james.metrics.tests.RecordingMetricFactory;
import org.apache.james.server.core.JamesServerResourceLoader;
import org.apache.james.server.core.filesystem.FileSystemImpl;
import org.apache.james.user.memory.MemoryUsersRepository;
import org.apache.mailet.MailetContext;

import com.google.common.collect.ImmutableSet;

class QuotaThresholdListenersTestSystem {
    private static final ImmutableSet<RegistrationKey> NO_KEYS = ImmutableSet.of();
    private static final DomainList NO_DOMAIN_LIST = null;

    private final EventBus eventBus;

    QuotaThresholdListenersTestSystem(MailetContext mailetContext, EventStore eventStore, QuotaMailingListenerConfiguration configuration) throws MailboxException {
        eventBus = new InVMEventBus(new InVmEventDelivery(new RecordingMetricFactory()), EventBusTestFixture.RETRY_BACKOFF_CONFIGURATION, new MemoryEventDeadLetters());

        FileSystem fileSystem = new FileSystemImpl(new JamesServerResourceLoader("."));

        QuotaThresholdCrossingListener thresholdCrossingListener =
            new QuotaThresholdCrossingListener(mailetContext, MemoryUsersRepository.withVirtualHosting(NO_DOMAIN_LIST), fileSystem, eventStore, configuration);

        eventBus.register(thresholdCrossingListener);
    }

    void event(Event event) {
        eventBus.dispatch(event, NO_KEYS).block();
    }
}
