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package org.apache.james.modules.mailbox;

import java.util.Set;

import org.apache.james.backends.es.v7.ClientProvider;
import org.apache.james.backends.es.v7.ElasticSearchHealthCheck;
import org.apache.james.backends.es.v7.IndexName;
import org.apache.james.backends.es.v7.ReactorElasticSearchClient;
import org.apache.james.core.healthcheck.HealthCheck;
import org.apache.james.mailbox.elasticsearch.v7.ElasticSearchMailboxConfiguration;
import org.apache.james.quota.search.elasticsearch.v7.ElasticSearchQuotaConfiguration;

import com.google.common.collect.ImmutableSet;
import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import com.google.inject.Scopes;
import com.google.inject.Singleton;
import com.google.inject.multibindings.Multibinder;

public class ElasticSearchClientModule extends AbstractModule {

    @Override
    protected void configure() {
        bind(ClientProvider.class).in(Scopes.SINGLETON);
        bind(ReactorElasticSearchClient.class).toProvider(ClientProvider.class);

        Multibinder.newSetBinder(binder(), HealthCheck.class)
            .addBinding()
            .to(ElasticSearchHealthCheck.class);
    }

    @Provides
    @Singleton
    Set<IndexName> provideIndexNames(ElasticSearchMailboxConfiguration mailboxConfiguration,
                                     ElasticSearchQuotaConfiguration quotaConfiguration) {
        return ImmutableSet.of(
            mailboxConfiguration.getIndexMailboxName(),
            quotaConfiguration.getIndexQuotaRatioName());
    }
}
