#!/usr/bin/env ruby
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 
# Program to generate a 'life graph' as seen at 
# http://dropbox.theadmin.org/media/life.png
# 
# Code and examples at http://dropbox.theadmin.org/bin/life_graph/
#
# Copyright (c) 2005 Eric Davis <edavis10@gmail.com>
# Released under the MIT License 
# Details: http://dropbox.theadmin.org/bin/life_graph/LICENSE.txt
#
# Last Revision: [2005/12/07]
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # 
require 'rubygems'
require 'gruff'
require 'yaml'

life_file = File.open( "life.yaml")
date = Array.new
business = Array.new
energy = Array.new
gtd = Array.new
morale = Array.new
sleep = Array.new
work = Array.new
hacking = Array.new

yp = YAML::load_documents(life_file) { |item|
  date << item['date']
  business << item['business']
  energy << item['energy']
  gtd << item['gtd']
  morale << item['morale']
  sleep << item['sleep']
  work << item['work']
  hacking << item['hacking']
  }
  
lg = Gruff::Line.new(800)
lg.theme_37signals
lg.title = "Eric's Life Graph"

# lg.data("Business", business ) ### not enough colors.
lg.data("Energy", energy )
lg.data("GTD", gtd )
lg.data("Morale", morale )
lg.data("Sleep", sleep )
lg.data("Work", work )
lg.data("Hacking", hacking )

total_days = date.length

lg.labels = { 0 => total_days.to_s + ' days ago', total_days - 1 => 'Yesterday' }

lg.write('life.png')