/**
 * Copyright (c) 2021 OceanBase
 * OceanBase CE is licensed under Mulan PubL v2.
 * You can use this software according to the terms and conditions of the Mulan PubL v2.
 * You may obtain a copy of Mulan PubL v2 at:
 *          http://license.coscl.org.cn/MulanPubL-2.0
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PubL v2 for more details.
 */

#ifndef OB_RESTORE_SCHEMA_
#define OB_RESTORE_SCHEMA_
#include "share/schema/ob_schema_getter_guard.h"
#include "sql/parser/parse_node.h"
#include "../../share/schema/mock_schema_service.h"
namespace oceanbase {
using namespace common;
#if 0
namespace share
{
namespace schema
{
class MockSchemaService;
}
}
#endif
using namespace share;
using namespace share::schema;
namespace sql {
class ObStmt;
class ObCreateIndexStmt;
struct ObResolverParams;
class ObRestoreSchema {
public:
  ObRestoreSchema();
  virtual ~ObRestoreSchema() = default;
  int parse_from_file(const char* filename, share::schema::ObSchemaGetterGuard*& schema_guard);
  share::schema::ObSchemaGetterGuard& get_schema_guard()
  {
    return schema_guard_;
  }
  // share::schema::ObSchemaManager *get_schema_manager();
  int init();

public:
  static const int64_t RESTORE_SCHEMA_VERSION = 1;

private:
  // disallow copy
  DISALLOW_COPY_AND_ASSIGN(ObRestoreSchema);

protected:
  // function members
  int do_parse_line(common::ObArenaAllocator& allocator, const char* query);
  int do_create_table(ObStmt* stmt);
  int do_create_index(ObStmt* stmt);
  int gen_columns(ObCreateIndexStmt& stmt, share::schema::ObTableSchema& index_schema);
  int do_resolve_single_stmt(ParseNode* node, ObResolverParams& ctx);
  int add_database_schema(ObDatabaseSchema& database_schema);
  int add_table_schema(ObTableSchema& table_schema);

public:
  // data members
  // share::schema::ObSchemaManager schema_manager_;
  share::schema::MockSchemaService* schema_service_;
  share::schema::ObSchemaGetterGuard schema_guard_;
  // int64_t schema_version_;
  uint64_t table_id_;
  uint64_t tenant_id_;
  uint64_t database_id_;
};
}  // namespace sql
}  // namespace oceanbase
#endif
