// 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 "service/http/action/load_channel_action.h"

#include <algorithm>

#include <cstdint>

#include <cstdlib>

#include <limits>

#include <string>

#include <vector>

#include "cloud/config.h"

#include "load/channel/load_channel_mgr.h"

#include "runtime/exec_env.h"

#include "service/backend_options.h"

#include "service/http/http_channel.h"

#include "service/http/http_headers.h"

#include "service/http/http_request.h"

#include "service/http/http_status.h"

#include "storage/olap_common.h"

#include "storage/storage_engine.h"

#include "storage/tablet/tablet_manager.h"

namespace doris {

const static std::string HEADER_JSON = "application/json";

void LoadChannelAction::handle(HttpRequest* req) {

    req->add_output_header(HttpHeaders::CONTENT_TYPE, HEADER_JSON.c_str());

    HttpChannel::send_reply(req, HttpStatus::OK, _get_load_channels().ToString());

}

EasyJson LoadChannelAction::_get_load_channels() {

    EasyJson response;

    auto load_channels = ExecEnv::GetInstance()->load_channel_mgr()->get_all_load_channel_ids();

    response["msg"] = "OK";

    response["code"] = 0;

    EasyJson data = response.Set("data", EasyJson::kObject);

    data["host"] = BackendOptions::get_localhost();

    EasyJson tablets = data.Set("load_channels", EasyJson::kArray);

    for (auto& load_id : load_channels) {

        EasyJson tablet = tablets.PushBack(EasyJson::kObject);

        tablet["load_id"] = load_id;

    }

    response["count"] = load_channels.size();

    return response;

}

} // namespace doris