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/*
 * Copyright (c) 2022 Cisco and/or its affiliates.
 * Licensed 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.
 */

#pragma once

#include <glog/logging.h>

#include <iostream>

#define LoggerInfo() LOG(INFO)
#define LoggerWarn() LOG(WARNING)
#define LoggerErr() LOG(ERROR)
#define LoggerFatal() LOG(FATAL)
#define LoggerVerbose(level) VLOG((level))
#define LoggerIsOn(level) VLOG_IS_ON((level))

struct HicnLogger {
  HicnLogger() {
    // Set log level
    const char *log_level = std::getenv("LOG_LEVEL");
    if (log_level != nullptr) FLAGS_v = std::stol(std::string(log_level));

    // Enable/disable prefix
    const char *enable_log_prefix = std::getenv("ENABLE_LOG_PREFIX");
    if (enable_log_prefix != nullptr &&
        std::string(enable_log_prefix) == "OFF") {
      FLAGS_log_prefix = false;
    }

    FLAGS_colorlogtostderr = true;
  }
};

static HicnLogger logger;