/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.omid.tso;
  
  import org.apache.phoenix.thirdparty.com.google.common.base.Preconditions;
  import com.google.inject.AbstractModule;
  import com.google.inject.Provider;
  import com.google.inject.Provides;
  
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.apache.omid.tso.TSOServerConfig.TIMESTAMP_TYPE;
  
  import java.net.SocketException;
  import java.net.UnknownHostException;
  
  import static org.apache.omid.tso.TSOServer.TSO_HOST_AND_PORT_KEY;
  
  class TSOModule extends AbstractModule {
  
      private final TSOServerConfig config;
  
      TSOModule(TSOServerConfig config) {
          Preconditions.checkArgument(config.getNumConcurrentCTWriters() >= 2, "# of Commit Table writers must be >= 2");
          this.config = config;
      }
  
      @Override
      protected void configure() {
  
          bind(TSOChannelHandler.class).in(Singleton.class);
          bind(TSOStateManager.class).to(TSOStateManagerImpl.class).in(Singleton.class);
  
          if (config.getTimestampTypeEnum() == TIMESTAMP_TYPE.WORLD_TIME) {
              bind(TimestampOracle.class).to(WorldClockOracleImpl.class).in(Singleton.class);
          } else {
              bind(TimestampOracle.class).to(TimestampOracleImpl.class).in(Singleton.class);
          }
          bind(LowWatermarkWriter.class).to(LowWatermarkWriterImpl.class).in(Singleton.class);
          bind(Panicker.class).to(SystemExitPanicker.class).in(Singleton.class);
  
          install(new BatchPoolModule(config));
          // Disruptor setup
          install(new DisruptorModule(config));
  
      }
  
      @Provides
      TSOServerConfig provideTSOServerConfig() {
          return config;
      }
  
      @Provides
      @Named(TSO_HOST_AND_PORT_KEY)
      String provideTSOHostAndPort() throws SocketException, UnknownHostException {
          return NetworkInterfaceUtils.getTSOHostAndPort(config);
  
      }
  
      @Provides
      PersistenceProcessorHandler[] getPersistenceProcessorHandler(Provider<PersistenceProcessorHandler> provider) {
          PersistenceProcessorHandler[] persistenceProcessorHandlers = new PersistenceProcessorHandler[config.getNumConcurrentCTWriters()];
          for (int i = 0; i < persistenceProcessorHandlers.length; i++) {
              persistenceProcessorHandlers[i] = provider.get();
          }
          return persistenceProcessorHandlers;
      }
  
  }