RAILS_2 = Rails::VERSION::MAJOR == 2
RAILS_3_0 = Rails::VERSION::MAJOR == 3 && Rails::VERSION::MINOR == 0
RAILS_3_1 = Rails::VERSION::MAJOR == 3 && Rails::VERSION::MINOR == 1

if RAILS_2
  gem "activerecord-jdbc-adapter", :lib => "arjdbc"
elsif RAILS_3_0 
  text = File.read 'Gemfile'
  File.open('Gemfile', 'w') {|f| f << text.gsub(/^(gem 'sqlite3)/, '# \1') }
  gem "activerecord-jdbc-adapter", :require => "arjdbc"
  gem "jdbc-sqlite3"
  gem "jruby-openssl"
else
  # rails 3.1+ properly detects jruby and does the right thing
end

# gems defs common to v2 and v3
gem "torquebox-rake-support"
gem 'torquebox'


if RAILS_2 
  initializer("session_store.rb") do
    <<-INIT
# Configure the TorqueBox Servlet-based session store.
# Provides for server-based, in-memory, cluster-compatible sessions.
ActionController::Base.session_store = :torquebox_store
    INIT
  end
else
  remove_file( 'config/initializers/session_store.rb' )
  initializer("session_store.rb") do
    <<-INIT
# Configure the TorqueBox Servlet-based session store.
# Provides for server-based, in-memory, cluster-compatible sessions
#{app_const}.config.session_store :torquebox_store
    INIT
  end
end

initializer("active_record_backgroundable.rb") do
  <<-INIT
# Enable backgroundable methods for ActiveRecord classes. Provides:
# class AModel < ActiveRecord::Base
#   always_background :a_method
# end
# 
# a_model_instance.background.another_method
if defined?(TorqueBox::Messaging::Backgroundable) && defined?(ActiveRecord::Base)
  ActiveRecord::Base.send(:include, TorqueBox::Messaging::Backgroundable)
end
  INIT
end

# Create app/tasks and app/jobs, just for fun
inside('app') {
  %w( tasks jobs ).each { |dir| FileUtils.mkdir(dir) unless File.exists?(dir) }
}

app_constant = RAILS_2 ? 'Rails::Application' : app_const

rake_task = <<TASK
begin
  require 'torquebox-rake-support'
rescue LoadError => ex
  puts "Failed to load the TorqueBox rake gem (torquebox-rake-support). Make sure it is available in your environment."
end
TASK

if RAILS_2 || RAILS_3_0 
  rake_task << <<TASK

# Patch db:load_config to make sure activerecord-jdbc-adapter gets loaded
namespace :db do
  task :load_config => :rails_env do
    require 'active_record'
    require 'activerecord-jdbc-adapter'
    ActiveRecord::Base.configurations = #{app_constant}.config.database_configuration
  end
end
TASK
end

# We need the app to find the rake tasks
rakefile( 'torquebox.rake', rake_task )