module Legion
  module Logging
    module Builder
      def log_format(_options = {}, log = @log)
        log.formatter = proc do |severity, datetime, _progname, msg|
          "[#{datetime}][#{::Process.pid}] #{severity} #{msg}\n"
        end
      end

      def output(options)
        @log = ::Logger.new($stdout) if options[:log_file].nil?
        @log = ::Logger.new(options[:log_file]) unless options[:log_file].nil?
      end

      def log_level(level = 'debug', log = @log)
        if level == 'debug'
          log.level = ::Logger::DEBUG
        elsif level == 'info'
          log.level = ::Logger::INFO
        elsif level == 'warn'
          log.level = ::Logger::WARN
        elsif level == 'error'
          log.level = ::Logger::ERROR
        elsif level == 'fatal'
          log.level = ::Logger::FATAL
        end
        @log = log
      end
    end
  end
end