// 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.

#include "olap/memtable_flush_executor.h"

#include <gtest/gtest.h>
#include <sys/file.h>

#include <string>

#include "gen_cpp/Descriptors_types.h"
#include "gen_cpp/PaloInternalService_types.h"
#include "gen_cpp/Types_types.h"
#include "io/fs/local_file_system.h"
#include "olap/delta_writer.h"
#include "olap/field.h"
#include "olap/memtable.h"
#include "olap/options.h"
#include "olap/schema.h"
#include "olap/storage_engine.h"
#include "olap/tablet.h"
#include "olap/tablet_meta_manager.h"
#include "olap/utils.h"
#include "runtime/descriptor_helper.h"
#include "runtime/exec_env.h"

namespace doris {

inline StorageEngine* k_engine = nullptr;
MemTableFlushExecutor* k_flush_executor = nullptr;

void set_up() {
    char buffer[1024];
    getcwd(buffer, 1024);
    config::storage_root_path = std::string(buffer) + "/flush_test";
    EXPECT_TRUE(io::global_local_filesystem()
                        ->delete_and_create_directory(config::storage_root_path)
                        .ok());
    std::vector<StorePath> paths;
    paths.emplace_back(config::storage_root_path, -1);

    doris::EngineOptions options;
    options.store_paths = paths;
    Status s = doris::StorageEngine::open(options, &k_engine);
    EXPECT_TRUE(s.ok()) << s.to_string();

    ExecEnv* exec_env = doris::ExecEnv::GetInstance();
    exec_env->set_storage_engine(k_engine);

    k_flush_executor = k_engine->memtable_flush_executor();
}

void tear_down() {
    delete k_engine;
    k_engine = nullptr;
    system("rm -rf ./flush_test");
    EXPECT_TRUE(io::global_local_filesystem()
                        ->delete_directory(std::string(getenv("DORIS_HOME")) + "/" + UNUSED_PREFIX)
                        .ok());
}

Schema create_schema() {
    std::vector<TabletColumn> col_schemas;
    col_schemas.emplace_back(FieldAggregationMethod::OLAP_FIELD_AGGREGATION_NONE,
                             FieldType::OLAP_FIELD_TYPE_SMALLINT, true);
    col_schemas.emplace_back(FieldAggregationMethod::OLAP_FIELD_AGGREGATION_NONE,
                             FieldType::OLAP_FIELD_TYPE_INT, true);
    col_schemas.emplace_back(FieldAggregationMethod::OLAP_FIELD_AGGREGATION_SUM,
                             FieldType::OLAP_FIELD_TYPE_BIGINT, true);
    Schema schema(col_schemas, 2);
    return schema;
}

} // namespace doris