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path: root/lib/leap_cli/log.rb
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require 'paint'

module LeapCli
  extend self
  def log_level
    @log_level ||= 1
  end
  def log_level=(value)
    @log_level = value
  end
end

##
## LOGGING
##

#
# these are log titles typically associated with files
#
FILE_TITLES = [:updated, :created, :removed, :missing, :nochange, :loading]

#
# master logging function.
#
# arguments can be a String, Integer, Symbol, or Hash, in any order.
#
# * String: treated as the message to log.
# * Integer: the log level (0, 1, 2)
# * Symbol: the prefix title to colorize. may be one of
#   [:error, :warning, :info, :updated, :created, :removed, :no_change, :missing]
# * Hash: a hash of options. so far, only :indent is supported.
#
def log(*args)
  level   = args.grep(Integer).first || 1
  title   = args.grep(Symbol).first
  message = args.grep(String).first
  options = args.grep(Hash).first || {:indent => 0}
  if message && LeapCli.log_level >= level
    print "  " * (options[:indent]+1)
    if options[:indent] > 0
      print '- '
    else
      print '= '
    end
    if title
      prefix = case title
        when :error     then Paint['error', :red, :bold]
        when :warning   then Paint['warning', :yellow, :bold]
        when :info      then Paint['info', :cyan, :bold]
        when :updated   then Paint['updated', :cyan, :bold]
        when :created   then Paint['created', :green, :bold]
        when :removed   then Paint['removed', :red, :bold]
        when :nochange  then Paint['no change', :magenta]
        when :loading   then Paint['loading', :magenta]
        when :missing   then Paint['missing', :yellow, :bold]
        when :run       then Paint['run', :magenta]
        when :failed    then Paint['FAILED', :red, :bold]
        when :ran       then Paint['ran', :green, :bold]
        else ""
      end
      print "#{prefix} "
      if FILE_TITLES.include?(title) && message =~ /^\//
        message = LeapCli::Path.relative_path(message)
      end
    end
    puts "#{message}"
  end
end