class Eco::API::Common::Session::Logger

def << (msg)
  @console_logger << msg unless !@console_logger
  @file_logger << msg    unless !@file_logger
end

def add(*args)
  @console_logger.add(*args) unless !@console_logger
  @file_logger.add(*args)    unless !@file_logger
end

def close()
  @console_logger.close unless !@console_logger
  @file_logger.close    unless !@file_logger
end

def config
  @enviro.config || {}
end

def debug(*args, &block)
  log(:debug, *args, &block)
end

def error(*args, &block)
  return log(:error, *args, &block)
end

def fatal(*args, &block)
  return log(:fatal, *args, &block)
end

def fetch_console_level(value)
  value || config.logger.console_level || ::Logger::INFO
end

def fetch_file_level(value)
  value || config.logger.file_level || ::Logger::DEBUG
end

def fetch_log_file(log_file)
  if log_file ||= config.logger.file
    log_file = @enviro.file_manager.dir.file(log_file) if @enviro
    FileManager.create_directory(log_file, includes_file: true)
  end
  log_file
end

def fetch_timestamp_console(value)
  value || config.logger.timestamp_console
end

def info(*args, &block)
  log(:info, *args, &block)
end

def initialize(console_level: nil, file_level: ::Logger::DEBUG, log_file: nil, timestamp_console: false, enviro: nil)
  raise "Required Environment object (enviro:). Given: #{enviro}" if enviro && !enviro.is_a?(Eco::API::Common::Session::Environment)
  @enviro = enviro
  timestamp_console = fetch_timestamp_console(timestamp_console)
  @console_logger = ::Logger.new(STDOUT).tap do |_logger|
    _logger.formatter = proc do |severity, datetime, progname, msg|
      str_timestamp = timestamp_console ? "#{datetime.strftime(DEFAULT_TIMESTAMP_PATTERN)} >" : ""
      "#{severity.to_s[0]}: #{str_timestamp} #{msg}\n"
    end
    _logger.level = fetch_console_level(console_level)
  end
  if log_file = fetch_log_file(log_file)
    @file_logger = ::Logger.new(log_file).tap do |_logger|
      _logger.formatter = proc do |severity, datetime, progname, msg|
        "#{severity.to_s[0]}: #{datetime.strftime(DEFAULT_TIMESTAMP_PATTERN)} > #{msg}\n"
      end
      _logger.level = fetch_file_level(file_level)
    end
  end
end

def log(level, *args, &block)
  @console_logger.send(level, *args, &block) unless !@console_logger
  @file_logger.send(level, *args, &block) unless !@file_logger
end

def unkown(msg, &block)
  return log(:unkown, *args, &block)
end

def warn(*args, &block)
  return log(:warn, *args, &block)
end