/*
    * This file is part of Waarp Project (named also Waarp or GG).
    *
    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
    * individual contributors.
    *
    *  All Waarp Project is free software: you can redistribute it and/or
    * modify it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or (at your
   * option) any later version.
   *
   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License along with
   * Waarp . If not, see <http://www.gnu.org/licenses/>.
   */
  
  package org.waarp.openr66.dao.database;
  
  import org.waarp.common.database.exception.WaarpDatabaseSqlException;
  import org.waarp.common.lru.SynchronizedLruCache;
  import org.waarp.openr66.dao.BusinessDAO;
  import org.waarp.openr66.pojo.Business;
  import org.waarp.openr66.pojo.UpdatedInfo;
  import org.waarp.openr66.protocol.configuration.Configuration;
  
  import java.sql.Connection;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  
  /**
   * Implementation of BusinessDAO for standard SQL databases
   */
  public class DBBusinessDAO extends StatementExecutor<Business>
      implements BusinessDAO {
  
    protected static final String TABLE = "hostconfig";
  
    public static final String HOSTID_FIELD = "hostid";
    public static final String BUSINESS_FIELD = "business";
    public static final String ROLES_FIELD = "roles";
    public static final String ALIASES_FIELD = "aliases";
    public static final String OTHERS_FIELD = "others";
    public static final String UPDATED_INFO_FIELD = "updatedInfo";
  
    protected static final String SQL_DELETE_ALL = "DELETE FROM " + TABLE;
    protected static final String SQL_DELETE =
        "DELETE FROM " + TABLE + WHERE + HOSTID_FIELD + PARAMETER;
    protected static final String SQL_GET_ALL = "SELECT * FROM " + TABLE;
    protected static final String SQL_COUNT_ALL = SQL_COUNT_ALL_PREFIX + TABLE;
    protected static final String SQL_EXIST =
        "SELECT 1 FROM " + TABLE + WHERE + HOSTID_FIELD + PARAMETER;
    protected static final String SQL_SELECT =
        "SELECT * FROM " + TABLE + WHERE + HOSTID_FIELD + PARAMETER;
    protected static final String SQL_INSERT =
        "INSERT INTO " + TABLE + " (" + HOSTID_FIELD + ", " + BUSINESS_FIELD +
        ", " + ROLES_FIELD + ", " + ALIASES_FIELD + ", " + OTHERS_FIELD + ", " +
        UPDATED_INFO_FIELD + ") VALUES (?,?,?,?,?,?)";
    protected static final String SQL_UPDATE =
        "UPDATE " + TABLE + " SET " + HOSTID_FIELD + PARAMETER_COMMA +
        BUSINESS_FIELD + PARAMETER_COMMA + ROLES_FIELD + PARAMETER_COMMA +
        ALIASES_FIELD + PARAMETER_COMMA + OTHERS_FIELD + PARAMETER_COMMA +
        UPDATED_INFO_FIELD + " = ? WHERE " + HOSTID_FIELD + PARAMETER;
  
    /**
     * Hashmap for Business
     */
    private static final SynchronizedLruCache<String, Business>
        reentrantConcurrentHashMap =
        new SynchronizedLruCache<String, Business>(500, 180000);
  
    public DBBusinessDAO(final Connection con) {
      super(con);
    }
  
    @Override
    protected final boolean isCachedEnable() {
      return Configuration.configuration.getMultipleMonitors() <= 1;
    }
  
    @Override
    protected final SynchronizedLruCache<String, Business> getCache() {
      return reentrantConcurrentHashMap;
    }
  
    @Override
    protected final String getId(final Business e1) {
      return e1.getHostid();
    }
  
    @Override
    protected final String getTable() {
      return TABLE;
    }
  
    @Override
   protected final String getSelectRequest() {
     return SQL_SELECT;
   }
 
   @Override
   protected final String getGetAllRequest() {
     return SQL_GET_ALL;
   }
 
   @Override
   protected final String getCountRequest() {
     return SQL_COUNT_ALL;
   }
 
   @Override
   protected final String getExistRequest() {
     return SQL_EXIST;
   }
 
   @Override
   protected final Object[] getInsertValues(final Business business)
       throws WaarpDatabaseSqlException {
     business.checkValues();
     return new Object[] {
         business.getHostid(), business.getBusiness(), business.getRoles(),
         business.getAliases(), business.getOthers(),
         business.getUpdatedInfo().ordinal()
     };
   }
 
   @Override
   protected final String getInsertRequest() {
     return SQL_INSERT;
   }
 
   @Override
   protected final Object[] getUpdateValues(final Business business)
       throws WaarpDatabaseSqlException {
     business.checkValues();
     return new Object[] {
         business.getHostid(), business.getBusiness(), business.getRoles(),
         business.getAliases(), business.getOthers(),
         business.getUpdatedInfo().ordinal(), business.getHostid()
     };
   }
 
   @Override
   protected final String getUpdateRequest() {
     return SQL_UPDATE;
   }
 
   @Override
   protected final String getDeleteRequest() {
     return SQL_DELETE;
   }
 
   @Override
   protected final String getDeleteAllRequest() {
     return SQL_DELETE_ALL;
   }
 
   @Override
   public final Business getFromResultSet(final ResultSet set)
       throws SQLException {
     try {
       return new Business(set.getString(HOSTID_FIELD),
                           set.getString(BUSINESS_FIELD),
                           set.getString(ROLES_FIELD),
                           set.getString(ALIASES_FIELD),
                           set.getString(OTHERS_FIELD),
                           UpdatedInfo.valueOf(set.getInt(UPDATED_INFO_FIELD)));
     } catch (final WaarpDatabaseSqlException e) {
       throw new SQLException(e);
     }
   }
 
   @Override
   protected final boolean isDbTransfer() {
     return false;
   }
 }