/*
* Copyright (c) 2015, 2016 Oracle and/or its affiliates. All rights reserved.
*
* This program 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; version 2 of the
* License.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301  USA
*/

#include "ngs/protocol/notice_builder.h"
#include "ngs_common/protocol_protobuf.h"

using namespace ngs;

void Notice_builder::encode_frame(
  Output_buffer* out_buffer,
  uint32 type,
  const std::string &data,
  int scope)
{
  start_message(out_buffer, Mysqlx::ServerMessages::NOTICE);

  // 1) Type
  encode_uint32(type);
  // 2) Scope
  encode_int32(scope);
  // 3) Payload
  encode_string(data.c_str(), data.length());

  end_message();
}

void Notice_builder::encode_rows_affected(
  Output_buffer* out_buffer,
  uint64 value)
{
  int32 param = Mysqlx::Notice::SessionStateChanged::ROWS_AFFECTED;
  int32 type = Mysqlx::Datatypes::Scalar_Type_V_UINT;

  start_message(out_buffer, Mysqlx::ServerMessages::NOTICE);

  // 1) Type
  encode_uint32(3);
  // 2) Scope
  encode_int32(static_cast<int>(Mysqlx::Notice::Frame_Scope_LOCAL));
  // 3) Payload
  google::protobuf::internal::WireFormatLite::WriteTag(3, google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED, m_out_stream);
  uint32 size_scalar = CodedOutputStream::VarintSize32SignExtended(type) + CodedOutputStream::VarintSize64(value) + 2 /*tags*/;
  uint32 size_payload = 1 /* param tag */ + CodedOutputStream::VarintSize32SignExtended(param)
    + 1 /* scalar tag */ + CodedOutputStream::VarintSize32(size_scalar) + size_scalar;
  m_out_stream->WriteVarint32(size_payload);
  {
    m_field_number = 0;
    // 1) Param
    encode_int32(param);
    // 2) Scalar
    google::protobuf::internal::WireFormatLite::WriteTag(2, google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED, m_out_stream);
    m_out_stream->WriteVarint32(size_scalar);
    {
      m_field_number = 0;
      // 1) Type
      encode_int32(type);
      // 3!) V_unisgned_int
      m_field_number = 2; /*Need to skip one field tag here*/
      encode_uint64(value);
    }
  }

  end_message();
}
