#!/usr/bin/ruby

# Author: Tony Perrie
# Date: 11/19/2005
#
# Description: Takes AWStats Cache Files and makes a perty graph

require 'rubygems'
require 'gruff'

awsmonth = Dir.glob("/var/cache/awstats/awstats[0-1][0-9]200[45].txt").to_a
ff_a = []
ie_a = []
lb_a = [] 
awsmonth.sort {|x,y| (x[-8..-5] << x[-10..-9]) <=> (y[-8..-5] << y[-10..-9])}.each { |filename|
  year = filename[-8..-5]
  month = filename[-10..-9]
  datafile=File.open(filename)
  ie=0
  ff=0
  total=0
  ff_cnt=0
  in_browser_block=false
  datafile.each_line { |line| 
    if !in_browser_block && line =~ /BEGIN_BROWSER/ then
      in_browser_block=true
    end
    if in_browser_block
      if line =~ /END_BROWSER/
        break
      end
      cols = line.scan(/[^\s]+/)
      if cols[0] =~ /firefox/ then
        ff+=cols[1].to_i
      elsif cols[0] =~ /msie\d/ then
        ie+=cols[1].to_i
      end
      cols[1] =~ /^\d+$/ && total+= cols[1].to_i
    end
  }
  ff_a <<= (ff.to_f/total.to_f*100).to_f
  ie_a <<= (ie.to_f/total.to_f*100).to_f
  lb_a <<= month << "/" << year
}

g = Gruff::Line.new
g.title = "Firefox vs IE for Involution.com" 

g.data("Firefox", ff_a)
g.data("Internet Explorer", ie_a)
 

g.labels = { 0 => "2004", 13 => "2005" }
# g.labels = lb_a
g.write('browsershare.png')

print "ie entries -> " << ie_a.length.to_s << "\n"
print "ff entries -> " << ff_a.length.to_s << "\n"