#!/usr/bin/env ruby -ws

$o ||= false # open after creating
$d ||= false # dot file only
$r ||= false # rotate 90°

type = ARGV.shift
unless type then
  require "rubygems"

  hits = Gem.find_files("*_analyzer.rb").map { |s|
    File.basename s, "_analyzer.rb"
  } - %w(dep)

  abort "#{File.basename $0}: Need a type: #{hits.join(", ")}"
end

require "#{type}_analyzer"

name     = "#{type.capitalize}Analyzer"
klass    = Object.const_get name
analyzer = klass.new
graph    = analyzer.run

graph.rotate if $r

huge = graph.nodes.size + graph.edges.size > 500
ext  = $d ? nil : huge ? "pdf" : "png"

graph.save name, ext

system "open #{name}.#{ext || "dot"}" if $o