log.lic

=begin

  logs the game to lich\logs\<game code>-<char name>\<date>-<number>.log
  starts a new file after 30,000 lines (somewhere around 1mb)

  SYNTAX:  ;log
           ;log --timestamp="%F %T %Z"
           ;autostart add --global log --timestamp=\"%F %T %Z\"
           log format based on https://apidock.com/ruby/DateTime/strftime

       author: elanthia-online
 contributors: Tillmen, Tysong, Xanlin
         game: gs
      version: 0.7
     required: Lich > 5.0.1

  changelog:
    0.7 (2023-03-31):
      * Rubocop code cleanup
      * Adjust filename to include hours, minutes, seconds
      * Save into subdirectories by year/month
      * Starts a new file when the day changes
      * Add log timestamp CLI option for non-DragonRealms
    0.6 (2023-01-23):
      * Update for Ruby v3 compatibility
    0.5 (2022-11-24):
      * Remove reference to $SAFE
    0.4 (2022-01-10):
      * Making datetime stamps customizeable, and tuneable in a character's yaml.
    0.3 (2022-01-04):
      * prepend datetime stamps to logged lines
    0.2 (2015-01-13):
      * create log directory if needed

=end

unless defined?(Script.current.want_script_output)
  echo 'Your version of Lich is too old for this script.'
  exit
end

unless (Gem::Version.new(RUBY_VERSION) > Gem::Version.new('2.0.0')) || $SAFE == 0
  echo "This script must be trusted to be allowed to write to log files."
  echo "You can trust it with the following command: #{$lich_char}trust #{script.name}"
  exit
end

hide_me
if defined?(get_settings)
  settings = get_settings
  stamp_enable = settings.log_timestamp
  stamp_format = settings.log_timestamp_format
end
Script.current.want_script_output = true
Script.current.want_upstream = true

if Script.current.vars[0] =~ /\-\-timestamp="(.*)"/
  stamp_format = Regexp.last_match[1]
  stamp_enable = true
end

Thread.new {
  begin
    loop {
      Script.current.downstream_buffer.push ">#{upstream_get.sub(/^<c>/, '')}"
    }
  rescue
    echo $!
  end
}

started = false
loop {
  dir = File.join(LICH_DIR, 'logs', "#{XMLData.game}-#{XMLData.name}", Time.now.strftime("%Y"), Time.now.strftime("%m"))
  FileUtils.mkdir_p(dir) unless File.exist?(dir)
  thisdate = Time.now.strftime("%Y-%m-%d")
  filename = File.join(dir, "#{Time.now.strftime("%Y-%m-%d_%H-%M-%S")}.log")
  file = File.open(filename, 'a')
  file.sync = true
  file.puts "#{Time.now.strftime("%Y-%m-%d %H:%M:%S.%L %:z")}\n"
  unless started
    if (Time.now - $login_time) < 30
      file.puts(reget)
      file.puts "<!-- Above contents from reget; full logging now active -->\n"
    end

    echo "Non-XML Logging started, currently logging to #{filename}"
    started = true
  end
  begin
    30000.times {
      line = get
      unless line =~ /^<(?:push|pop)Stream/
        unless defined?(stamp_enable)
          file.puts line
        else
          if stamp_enable
            file.puts "#{Time.now.strftime("#{stamp_format}")}: #{line}"
          else
            file.puts line
          end
        end
      end
      break if Time.now.strftime("%Y-%m-%d") != thisdate
    }
    file.puts "#{Time.now.strftime("%Y-%m-%d %H:%M:%S.%L %:z")}\n"
  ensure
    begin
      file.close
    rescue
      Lich.log "Can't close file!"
    end
  end
}