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/*
 * Copyright 2014 Objectos, Fábrica de Software LTDA.
 *
 * Licensed 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 br.com.objectos.db;

import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;

/**
 * @author [email protected] (Marcio Endo)
 */
public class PreparedStatementBinder implements ParameterBinder {

  private final SqlStatement owner;
  private final PreparedStatement statement;
  private int index = 1;

  PreparedStatementBinder(SqlStatement owner, PreparedStatement statement) {
    this.owner = owner;
    this.statement = statement;
  }

  PreparedStatementBinder(SqlStatement owner, PreparedStatement statement, int index) {
    this.owner = owner;
    this.statement = statement;
    this.index = index;
  }

  public SqlStatement addBatch() {
    return owner.addBatch();
  }

  @Override
  public PreparedStatementBinder booleanValue(boolean value) {
    try {
      statement.setBoolean(index++, value);
      return this;
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  @Override
  public PreparedStatementBinder doubleValue(double value) {
    try {
      statement.setDouble(index++, value);
      return this;
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  public int executeUpdate() {
    return owner.executeUpdate();
  }

  @Override
  public PreparedStatementBinder floatValue(float value) {
    try {
      statement.setFloat(index++, value);
      return this;
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  @Override
  public PreparedStatementBinder intValue(int value) {
    try {
      statement.setInt(index++, value);
      return this;
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  @Override
  public PreparedStatementBinder localDate(LocalDate value) {
    Date date = Date.from(value.atStartOfDay(ZoneId.systemDefault()).toInstant());
    setDate(date);
    return this;
  }

  @Override
  public PreparedStatementBinder localDateTime(LocalDateTime value) {
    Date date = Date.from(value.atZone(ZoneId.systemDefault()).toInstant());
    setTimestamp(date);
    return this;
  }

  @Override
  public PreparedStatementBinder longValue(long value) {
    try {
      statement.setLong(index++, value);
      return this;
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  @Override
  public PreparedStatementBinder nullValue(ColumnType columnType) {
    try {
      columnType.setNull(statement, index++);
      return this;
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  @Override
  public PreparedStatementBinder string(String value) {
    try {
      statement.setString(index++, value);
      return this;
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  @Override
  public void variable(Variable variable) throws UnsupportedOperationException {
    throw new UnsupportedOperationException();
  }

  private void setDate(java.util.Date date) {
    try {
      java.sql.Date sql = new java.sql.Date(date.getTime());
      statement.setDate(index++, sql);
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

  private void setTimestamp(java.util.Date date) {
    try {
      Timestamp sql = new Timestamp(date.getTime());
      statement.setTimestamp(index++, sql);
    } catch (SQLException e) {
      throw SqlRuntimeException.wrap(e);
    }
  }

}