/*
    * 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.commons.dbcp2;
  
  import java.sql.Connection;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.sql.SQLWarning;
  import java.sql.Statement;
  
  /**
   * A dummy {@link Statement}, for testing purposes.
   */
  public class TesterStatement extends AbandonedTrace implements Statement {
  
      protected final Connection connection;
      protected boolean open = true;
      protected final long rowsUpdated = 1;
      protected final boolean executeResponse = true;
      protected int maxFieldSize = 1024;
      protected long maxRows = 1024;
      protected boolean escapeProcessing;
      protected int queryTimeout = 1000;
      protected String cursorName;
      protected int fetchDirection = 1;
      protected int fetchSize = 1;
      protected int resultSetConcurrency = 1;
      protected int resultSetType = 1;
      private int resultSetHoldability = 1;
      protected ResultSet resultSet;
      protected boolean sqlExceptionOnClose;
  
      public TesterStatement(final Connection connection) {
          this.connection = connection;
      }
  
      public TesterStatement(final Connection connection, final int resultSetType, final int resultSetConcurrency) {
          this.connection = connection;
          this.resultSetType = resultSetType;
          this.resultSetConcurrency = resultSetConcurrency;
      }
  
      public TesterStatement(final Connection connection, final int resultSetType, final int resultSetConcurrency,
              final int resultSetHoldability) {
          this.connection = connection;
          this.resultSetType = resultSetType;
          this.resultSetConcurrency = resultSetConcurrency;
          this.resultSetHoldability = resultSetHoldability;
      }
  
      @Override
      public void addBatch(final String sql) throws SQLException {
          checkOpen();
      }
  
      @Override
      public void cancel() throws SQLException {
          checkOpen();
      }
  
      protected void checkOpen() throws SQLException {
          if (!open) {
              throw new SQLException("Connection is closed.");
          }
      }
  
      @Override
      public void clearBatch() throws SQLException {
          checkOpen();
      }
  
      @Override
      public void clearWarnings() throws SQLException {
          checkOpen();
      }
  
      @Override
      public void close() throws SQLException {
          if (sqlExceptionOnClose) {
              throw new SQLException("TestSQLExceptionOnClose");
          }
  
          // calling close twice has no effect
          if (!open) {
             return;
         }
 
         open = false;
         if (resultSet != null) {
             resultSet.close();
             resultSet = null;
         }
     }
 
     @Override
     public void closeOnCompletion() throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public boolean execute(final String sql) throws SQLException {
         checkOpen();
         if ("invalid".equals(sql)) {
             throw new SQLException("invalid query");
         }
         return executeResponse;
     }
 
     @Override
     public boolean execute(final String sql, final int autoGeneratedKeys)
         throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public boolean execute(final String sql, final int[] columnIndexes)
         throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public boolean execute(final String sql, final String[] columnNames)
         throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public int[] executeBatch() throws SQLException {
         checkOpen();
         return new int[0];
     }
 
     @Override
     public long[] executeLargeBatch() throws SQLException {
         checkOpen();
         return new long[0];
     }
 
     @Override
     public long executeLargeUpdate(final String sql) throws SQLException {
         checkOpen();
         return rowsUpdated;
     }
 
     @Override
     public long executeLargeUpdate(final String sql, final int autoGeneratedKeys) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public long executeLargeUpdate(final String sql, final int[] columnIndexes) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public long executeLargeUpdate(final String sql, final String[] columnNames) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public ResultSet executeQuery(final String sql) throws SQLException {
         checkOpen();
         switch (sql) {
         case "null":
             return null;
         case "invalid":
             throw new SQLException("invalid query");
         case "broken":
             throw new SQLException("broken connection");
         case "select username": {
             final String userName = ((TesterConnection) connection).getUserName();
             final Object[][] data = { { userName } };
             return new TesterResultSet(this, data);
         }
         default:
             break;
         }
         // Simulate timeout if queryTimout is set to less than 5 seconds
         if (queryTimeout > 0 && queryTimeout < 5) {
             throw new SQLException("query timeout");
         }
         return new TesterResultSet(this);
     }
 
     @Override
     public int executeUpdate(final String sql) throws SQLException {
         checkOpen();
         return (int) rowsUpdated;
     }
 
     @Override
     public int executeUpdate(final String sql, final int autoGeneratedKeys) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public int executeUpdate(final String sql, final int[] columnIndexes) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public int executeUpdate(final String sql, final String[] columnNames) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public Connection getConnection() throws SQLException {
         checkOpen();
         return connection;
     }
 
     @Override
     public int getFetchDirection() throws SQLException {
         checkOpen();
         return fetchDirection;
     }
 
     @Override
     public int getFetchSize() throws SQLException {
         checkOpen();
         return fetchSize;
     }
 
     @Override
     public ResultSet getGeneratedKeys() throws SQLException {
         return new TesterResultSet(this);
     }
 
     @Override
     public long getLargeMaxRows() throws SQLException {
         checkOpen();
         return maxRows;
     }
 
     @Override
     public long getLargeUpdateCount() throws SQLException {
         checkOpen();
         return rowsUpdated;
     }
 
     @Override
     public int getMaxFieldSize() throws SQLException {
         checkOpen();
         return maxFieldSize;
     }
 
     @Override
     public int getMaxRows() throws SQLException {
         checkOpen();
         return (int) maxRows;
     }
 
     @Override
     public boolean getMoreResults() throws SQLException {
         checkOpen();
         return false;
     }
 
     @Override
     public boolean getMoreResults(final int current) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public int getQueryTimeout() throws SQLException {
         checkOpen();
         return queryTimeout;
     }
 
     @Override
     public ResultSet getResultSet() throws SQLException {
         checkOpen();
         if (resultSet == null) {
             resultSet = new TesterResultSet(this);
         }
         return resultSet;
     }
 
     @Override
     public int getResultSetConcurrency() throws SQLException {
         checkOpen();
         return resultSetConcurrency;
     }
 
     @Override
     public int getResultSetHoldability() throws SQLException {
         checkOpen();
         return resultSetHoldability;
     }
 
     @Override
     public int getResultSetType() throws SQLException {
         checkOpen();
         return resultSetType;
     }
 
     @Override
     public int getUpdateCount() throws SQLException {
         checkOpen();
         return (int) rowsUpdated;
     }
 
     @Override
     public SQLWarning getWarnings() throws SQLException {
         checkOpen();
         return null;
     }
 
     @Override
     public boolean isClosed() throws SQLException {
         return !open;
     }
 
     @Override
     public boolean isCloseOnCompletion() throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public boolean isPoolable() throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     public boolean isSqlExceptionOnClose() {
         return sqlExceptionOnClose;
     }
 
     @Override
     public boolean isWrapperFor(final Class<?> iface) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public void setCursorName(final String name) throws SQLException {
         checkOpen();
         this.cursorName = name;
     }
 
     @Override
     public void setEscapeProcessing(final boolean enable) throws SQLException {
         checkOpen();
         this.escapeProcessing = enable;
     }
 
     @Override
     public void setFetchDirection(final int direction) throws SQLException {
         checkOpen();
         this.fetchDirection = direction;
     }
 
     @Override
     public void setFetchSize(final int rows) throws SQLException {
         checkOpen();
         this.fetchSize = rows;
     }
 
     @Override
     public void setLargeMaxRows(final long max) throws SQLException {
         checkOpen();
         this.maxRows = max;
     }
 
     @Override
     public void setMaxFieldSize(final int max) throws SQLException {
         checkOpen();
         this.maxFieldSize = max;
     }
 
     @Override
     public void setMaxRows(final int max) throws SQLException {
         checkOpen();
         this.maxRows = max;
     }
 
     @Override
     public void setPoolable(final boolean poolable) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 
     @Override
     public void setQueryTimeout(final int seconds) throws SQLException {
         checkOpen();
         this.queryTimeout = seconds;
     }
 
     public void setSqlExceptionOnClose(final boolean _sqlExceptionOnClose) {
         this.sqlExceptionOnClose = _sqlExceptionOnClose;
     }
 
     @Override
     public <T> T unwrap(final Class<T> iface) throws SQLException {
         throw new SQLException("Not implemented.");
     }
 }