/* Copyright (c) 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 <gtest/gtest.h>
#include "ngs_common/protocol_protobuf.h"
#include "ngs/protocol/message_builder.h"
#include "ngs/protocol/metadata_builder.h"
#include "ngs/protocol/notice_builder.h"
#include "ngs/protocol/output_buffer.h"
#include "protobuf_message.h"

namespace xpl
{

namespace test
{

typedef ngs::Output_buffer Output_buffer;
typedef ngs::Message_builder Message_builder;
typedef ngs::Metadata_builder Metadata_builder;
typedef ngs::Notice_builder Notice_builder;
typedef ngs::Page_pool Page_pool;

const ngs::Pool_config default_pool_config = { 0, 0, BUFFER_PAGE_SIZE };

TEST(message_builder, encode_resultset_fetch_done)
{
  Message_builder mb;
  ngs::unique_ptr<Page_pool> page_pool(new Page_pool(default_pool_config));
  ngs::unique_ptr<Output_buffer> obuffer(new Output_buffer(*page_pool));

  mb.encode_empty_message(obuffer.get(), Mysqlx::ServerMessages::RESULTSET_FETCH_DONE);
  ngs::unique_ptr<Mysqlx::Resultset::FetchDone> msg (message_from_buffer<Mysqlx::Resultset::FetchDone>(obuffer.get()));

  ASSERT_TRUE(NULL != msg);
  ASSERT_TRUE(msg->IsInitialized());
}

TEST(message_builder, encode_resultset_fetch_done_more_resultsets)
{
  Message_builder mb;
  ngs::unique_ptr<Page_pool> page_pool(new Page_pool(default_pool_config));
  ngs::unique_ptr<Output_buffer> obuffer(new Output_buffer(*page_pool));

  mb.encode_empty_message(obuffer.get(), Mysqlx::ServerMessages::RESULTSET_FETCH_DONE_MORE_RESULTSETS);
  ngs::unique_ptr<Mysqlx::Resultset::FetchDoneMoreResultsets> msg(message_from_buffer<Mysqlx::Resultset::FetchDoneMoreResultsets>(obuffer.get()));

  ASSERT_TRUE(NULL != msg);
  ASSERT_TRUE(msg->IsInitialized());
}

TEST(message_builder, encode_stmt_execute_ok)
{
  Message_builder mb;
  ngs::unique_ptr<Page_pool> page_pool(new Page_pool(default_pool_config));
  ngs::unique_ptr<Output_buffer> obuffer(new Output_buffer(*page_pool));

  mb.encode_empty_message(obuffer.get(), Mysqlx::ServerMessages::OK);
  ngs::unique_ptr<Mysqlx::Sql::StmtExecuteOk> msg(message_from_buffer<Mysqlx::Sql::StmtExecuteOk>(obuffer.get()));

  ASSERT_TRUE(NULL != msg);
  ASSERT_TRUE(msg->IsInitialized());
}

TEST(message_builder, encode_compact_metadata)
{
  Metadata_builder mb;
  ngs::unique_ptr<Page_pool> page_pool(new Page_pool(default_pool_config));
  ngs::unique_ptr<Output_buffer> obuffer(new Output_buffer(*page_pool));

  const uint64 COLLATION = 1u;
  const int TYPE = Mysqlx::Resultset::ColumnMetaData::SINT;
  const int DECIMALS = 3;
  const uint32 FLAGS = 0xabcdu;
  const uint32 LENGTH = 20u;
  const uint32 CONTENT_TYPE = 7u;

  mb.encode_metadata(obuffer.get(), COLLATION, TYPE, DECIMALS, FLAGS, LENGTH, CONTENT_TYPE);

  ngs::unique_ptr<Mysqlx::Resultset::ColumnMetaData> msg(message_from_buffer<Mysqlx::Resultset::ColumnMetaData>(obuffer.get()));

  ASSERT_TRUE(NULL != msg);

  ASSERT_TRUE(msg->has_collation());
  ASSERT_EQ(COLLATION, msg->collation());
  ASSERT_TRUE(msg->has_type());
  ASSERT_EQ(TYPE, msg->type());
  ASSERT_TRUE(msg->has_fractional_digits());
  ASSERT_EQ(DECIMALS, msg->fractional_digits());
  ASSERT_TRUE(msg->has_flags());
  ASSERT_EQ(FLAGS, msg->flags());
  ASSERT_TRUE(msg->has_length());
  ASSERT_EQ(LENGTH, msg->length());
  ASSERT_TRUE(msg->has_content_type());
  ASSERT_EQ(CONTENT_TYPE, msg->content_type());

  ASSERT_FALSE(msg->has_catalog());
  ASSERT_FALSE(msg->has_name());
  ASSERT_FALSE(msg->has_original_name());
  ASSERT_FALSE(msg->has_original_table());
  ASSERT_FALSE(msg->has_schema());
  ASSERT_FALSE(msg->has_table());
}

TEST(message_builder, encode_full_metadata)
{
  Metadata_builder mb;
  ngs::unique_ptr<Page_pool> page_pool(new Page_pool(default_pool_config));
  ngs::unique_ptr<Output_buffer> obuffer(new Output_buffer(*page_pool));

  const uint64 COLLATION = 2u;
  const int TYPE = Mysqlx::Resultset::ColumnMetaData::BYTES;
  const int DECIMALS = 4;
  const uint32 FLAGS = 0x89abu;
  const uint32 LENGTH = 0u;
  const uint32 CONTENT_TYPE = 1u;
  const std::string CATALOG = "CATALOG_NAME";
  const std::string TABLE_NAME = "TABLE_NAME";
  const std::string ORG_TABLE_NAME = "ORG_TABLE_NAME";
  const std::string SCHEMA = "SCHEMA_NAME";
  const std::string COLUM_NAME = "COLUMN_NAME";
  const std::string ORG_COLUM_NAME = "ORG_COLUMN_NAME";

  mb.encode_metadata(obuffer.get(), CATALOG, SCHEMA, TABLE_NAME, ORG_TABLE_NAME,
    COLUM_NAME, ORG_COLUM_NAME, COLLATION, TYPE, DECIMALS, FLAGS, LENGTH, CONTENT_TYPE);

  ngs::unique_ptr<Mysqlx::Resultset::ColumnMetaData> msg(message_from_buffer<Mysqlx::Resultset::ColumnMetaData>(obuffer.get()));

  ASSERT_TRUE(NULL != msg);

  ASSERT_TRUE(msg->has_collation());
  ASSERT_EQ(COLLATION, msg->collation());
  ASSERT_TRUE(msg->has_type());
  ASSERT_EQ(TYPE, msg->type());
  ASSERT_TRUE(msg->has_fractional_digits());
  ASSERT_EQ(DECIMALS, msg->fractional_digits());
  ASSERT_TRUE(msg->has_flags());
  ASSERT_EQ(FLAGS, msg->flags());
  ASSERT_TRUE(msg->has_length());
  ASSERT_EQ(LENGTH, msg->length());
  ASSERT_TRUE(msg->has_content_type());
  ASSERT_EQ(CONTENT_TYPE, msg->content_type());
  ASSERT_TRUE(msg->has_catalog());
  ASSERT_EQ(CATALOG, msg->catalog());
  ASSERT_TRUE(msg->has_name());
  ASSERT_EQ(COLUM_NAME, msg->name());
  ASSERT_TRUE(msg->has_original_name());
  ASSERT_EQ(ORG_COLUM_NAME, msg->original_name());
  ASSERT_TRUE(msg->has_original_table());
  ASSERT_EQ(ORG_TABLE_NAME, msg->original_table());
  ASSERT_TRUE(msg->has_schema());
  ASSERT_EQ(SCHEMA, msg->schema());
  ASSERT_TRUE(msg->has_table());
  ASSERT_EQ(TABLE_NAME, msg->table());
}

TEST(message_builder, encode_notice_frame)
{
  Notice_builder mb;
  ngs::unique_ptr<Page_pool> page_pool(new Page_pool(default_pool_config));
  ngs::unique_ptr<Output_buffer> obuffer(new Output_buffer(*page_pool));

  const uint32 TYPE = 2;
  const int SCOPE = Mysqlx::Notice::Frame_Scope_GLOBAL;
  const std::string DATA = "\0\0\1\12\12aaa\0";

  mb.encode_frame(obuffer.get(), TYPE, DATA, SCOPE);

  ngs::unique_ptr<Mysqlx::Notice::Frame> msg(message_from_buffer<Mysqlx::Notice::Frame>(obuffer.get()));

  ASSERT_TRUE(NULL != msg);

  ASSERT_TRUE(msg->has_type());
  ASSERT_EQ(TYPE, msg->type());
  ASSERT_TRUE(msg->has_scope());
  ASSERT_EQ(SCOPE, msg->scope());
  ASSERT_TRUE(msg->has_payload());
  ASSERT_EQ(DATA, msg->payload());
}

TEST(message_builder, encode_notice_rows_affected)
{
  Notice_builder mb;
  ngs::unique_ptr<Page_pool> page_pool(new Page_pool(default_pool_config));
  ngs::unique_ptr<Output_buffer> obuffer(new Output_buffer(*page_pool));

  const uint64 ROWS_AFFECTED = 10001u;

  mb.encode_rows_affected(obuffer.get(), ROWS_AFFECTED);

  ngs::unique_ptr<Mysqlx::Notice::Frame> msg(message_from_buffer<Mysqlx::Notice::Frame>(obuffer.get()));

  ASSERT_TRUE(NULL != msg);

  ASSERT_TRUE(msg->has_type());
  ASSERT_EQ(3, msg->type()); /*Mysqlx::Notice::SessionStateChanged*/
  ASSERT_TRUE(msg->has_scope());
  ASSERT_EQ(Mysqlx::Notice::Frame_Scope_LOCAL, msg->scope());
  ASSERT_TRUE(msg->has_payload());

  Mysqlx::Notice::SessionStateChanged change;
  change.ParseFromString(msg->payload());

  ASSERT_EQ(Mysqlx::Notice::SessionStateChanged::ROWS_AFFECTED, change.param());
  ASSERT_EQ(Mysqlx::Datatypes::Scalar::V_UINT, change.value().type());
  ASSERT_EQ(ROWS_AFFECTED, change.value().v_unsigned_int());
}

} // namespace test

} // namespace xpl