#!/usr/bin/ruby
require 'rubygems'
require 'yaml'
require 'ostruct'
require 'socket'

HOME = ENV['HOME']

config = YAML.load(open(__FILE__+'.yml'))

profile = config['default'].dup
config.each do |keyword,overrides| 
  next unless ARGV.include? keyword.to_s
  overrides.each do |key, value|
    if profile[key].respond_to? :push
      profile[key].push(value)
    else
      profile[key] = value
    end
  end
end
PROFILE = OpenStruct.new(profile)

COMMIT = ARGV.find {|arg| arg =~ /http:\/\/github.com\/rails\/rails\/commit\//}

log=config.find_all {|k,v| ARGV.include? k.to_s}.map {|k,v| k}.join('-')
LOG = "#{HOME}/logs/makedepot#{log}.log"
OUTPUT = (PROFILE.output.empty? ? '' : "-" + PROFILE.output.sort.join('-'))
WORK   = 'work' + OUTPUT.gsub('.','')
system "mkdir -p #{File.join(PROFILE.source, WORK)}"

BRANCH = PROFILE.branch
DESTDIR = PROFILE.destdir
SCRIPT  = File.join(File.expand_path(File.dirname(__FILE__)), PROFILE.script)

URL="http://intertwingly.net/projects/#{DESTDIR}/checkdepot#{OUTPUT}.html"
ENV['USER'] ||= HOME.split(File::Separator).last

# update Rails
updated = Dir.chdir File.join(HOME,'git','rails') do
  system 'git checkout -q origin/master'
  system "git checkout #{BRANCH}"
  system "git checkout #{COMMIT.split('/').last}" if COMMIT
  before = `git log -1 --pretty=format:%H`
  system 'git pull origin'
  `git log -1 --pretty=format:%H` != before
end

# If unchanged, select next or exit now
if !updated
  Process.exit if ARGV.empty?
  if ARGV.delete('next') and ARGV.empty?
    require 'nokogiri'

    dashboard=`ruby /var/www/awdwr.cgi static=1`.sub(/.*?</m,'<')
    rows = Nokogiri::XML(dashboard).search('tr').to_a
    rows.reject! {|row| !row.at('td')}
    rows.reject! {|row| row.at('td:nth-child(4).hilite')}
    if rows.length>0
      stale = rows.min {|a,b| a.at('td:last').text <=> b.at('td:last').text}
      stale = stale.search('td').to_a[0..2]
      exec "#{$0} #{stale.map {|td| td.text.gsub(/\D/,'')}.join(' ')}"
    end
  end
end

# update libs
libs = %w(gorp arel rack)
libs.each do |lib|
  Dir.chdir(File.join(HOME,'git',lib)) { system 'git pull' }
end
ENV['RUBYLIB'] = libs.map {|lib| File.join(HOME,'git',lib,'lib')}.
  join(File::PATH_SEPARATOR)

# run awdwr tests
Dir.chdir PROFILE.source
if PROFILE.source.include? 'svn'
  system 'svn up'
else
  system 'git checkout -q master'
  system 'git pull origin'
end

# select arguments to pass through
args = ARGV.grep(/^(\d+(\.\d+)?-\d+(\.\d+)?|\d+\.\d+?|save|restore)$/)
args << "--work=#{WORK}"

cmd = "bash #{SCRIPT} #{args.join(' ')} > #{LOG} 2>&1"
puts cmd
system cmd

Dir.chdir File.join(HOME,'git','rails') do
  system 'git checkout master' unless BRANCH=='master'
end

# annotate
system "ruby #{File.join(HOME,'bin','annotate.rb')} #{WORK}/checkdepot.html"