Rakefile

begin
require 'ant'
rescue
  puts 'This Rakefile requires JRuby. Please use jruby -S rake.'
  exit 1
end
require 'mirah/appengine_tasks'
require 'rake/clean'

appengine_app :app, 'app', '' => ["WEB-INF/lib/application.jar",
                                  "WEB-INF/lib/dubious.jar",
                                  ]
Duby.dest_paths << 'build'
Duby.source_paths << 'lib'
Duby.compiler_options << '--classpath' << File.expand_path('build')

CLEAN.include('build')
CLOBBER.include("WEB-INF/lib/*.jar", 'WEB-INF/appengine-generated')

def class_files_for files
  files.map do |f|
    explode = f.split('/')[1..-1]
    explode.last.gsub!(/(^[a-z]|_[a-z])/) {|m|m.sub('_','').upcase}
    explode.last.sub! /\.(duby|java|mirah)$/, '.class'
    'build/' + explode.join('/')
  end
end

APP_SRC = Dir["app/**/{*.duby,*.mirah}"]
APP_CLASSES = class_files_for APP_SRC
APP_MODEL_CLASSES = APP_CLASSES.select {|app| app.include? '/models' }
APP_CONTROLLER_CLASSES = APP_CLASSES.select {|app| app.include? '/controllers' }
TEMPLATES = Dir["app/views/**/*.erb"]

LIB_MIRAH_SRC = Dir["lib/**/*.duby"]
LIB_JAVA_SRC  = Dir["lib/**/*.java"]
LIB_SRC = LIB_MIRAH_SRC + LIB_JAVA_SRC
LIB_CLASSES = class_files_for LIB_SRC
STDLIB_CLASSES= LIB_CLASSES.select{|l|l.include? 'stdlib'}
CLASSPATH = [AppEngine::Rake::SERVLET, AppEngine::SDK::API_JAR].join(":")

file "build/dubious/Inflection.class" => :'compile:java'
file "build/dubious/ScopedParameterMap.class" => :'compile:java'
file "build/dubious/ActionController.class" => ["build/dubious/Params.class", "build/dubious/FormHelper.class", "build/dubious/AssetTimestampsCache.class"]
file "build/dubious/Inflections.class" => "build/dubious/Inflection.class"
file "build/dubious/FormHelper.class" => ["build/dubious/Inflections.class", *STDLIB_CLASSES]
file "build/dubious/Params.class" => "build/dubious/ScopedParameterMap.class"

APP_CONTROLLER_CLASSES.each do |f|
  file f => APP_MODEL_CLASSES + TEMPLATES
end

APP_CLASSES.each do |f|
  file f => LIB_CLASSES
end

directory 'build'

namespace :compile do
  task :app => [:dubious, "WEB-INF/lib/application.jar"]
  task :dubious => "WEB-INF/lib/dubious.jar"
  task :java => 'build' do
    ant.javac :srcdir=>'lib', :destdir=>'build', :classpath=>CLASSPATH
  end
end

desc "compile app"
task :compile => 'compile:app'

file "WEB-INF/lib/dubious.jar" => LIB_CLASSES do
  includes = LIB_CLASSES.map {|d|d.sub 'build/',''}.join(',')
  ant.jar :destfile=>"WEB-INF/lib/dubious.jar", :basedir=>'build',
          :includes=>includes
end

file "WEB-INF/lib/application.jar" => APP_CLASSES do
  includes = APP_CLASSES.map {|d|d.sub 'build/',''}.join(',')
  ant.jar :destfile=>"WEB-INF/lib/application.jar", :basedir=>'build',
          :includes=>includes
end

task :default => :server

# TODO: I'm not sure where the correct place to run this is.
# sh 'script/environment.rb'