Rakefile

require 'rubygems'
require 'bundler/setup'
require 'plist'
require 'github/downloads'
require 'highline/import'
require 'osx_keychain'

THEME_PATH = "Documentation/theme"
DOC_OUTPUT = "Documentation/html"
SITE_ROOT  = "/var/www/projects.lukeredpath.co.uk/resty"

unless defined?(RESTY_VERSION)
  RESTY_VERSION = "0.10"
end

def modify_plist(path, &block)
  if plist = Plist::parse_xml(path)
    yield plist if block_given?
    Plist::Emit.save_plist(plist, path)
  end
end

namespace :docs do
  desc "Generate the doxygen documentation"
  task :generate do  
    system("appledoc --no-search-undocumented-doc --keep-intermediate-files --verbose 1 --output Documentation/generated --project-name Resty Classes/")
  end
  
  task :upload => :generate do
    system("rsync -avz --delete Documentation/generated/ lukeredpath.co.uk:#{SITE_ROOT}/api")
  end
end

namespace :website do
  desc "Deploy to production"
  task :deploy => [:upload, "docs:upload"]

  desc "Regenerate the site"
  task :generate do
    Dir.chdir("Documentation/website") do
      system("jekyll")
    end
  end
  
  task :upload => :generate do
    system("rsync -avz --delete --exclude 'api' --exclude 'downloads' Documentation/website/_site/ lukeredpath.co.uk:#{SITE_ROOT}")
  end
end

namespace :build do
  CONFIG = "Release"
  LIB_NAME = "libLRResty.a"
  BUILD_DIR = "build"
  BASE_SDK = 4.3
  PACKAGE_SUFFIX = ENV["PACKAGE_SUFFIX"] || RESTY_VERSION
  
  desc "Build the static library for the simulator platform"
  task :simulator do
    system("xcodebuild -target LRResty-StaticLib -configuration #{CONFIG} -sdk iphonesimulator#{BASE_SDK}")
  end
  
  desc "Build the static library for the device platform"
  task :device do
    system("xcodebuild -target LRResty-StaticLib -configuration #{CONFIG} -sdk iphoneos#{BASE_SDK}")
  end
  
  desc "Build the framework for the Mac platform"
  task :mac do
    system("xcodebuild -target LRResty -configuration #{CONFIG}")
  end
  
  desc "Build a combined simulator/device static library using lipo"
  task :combined => [:simulator, :device] do
    FileUtils.mkdir_p("#{BUILD_DIR}/CombinedLib")
    system("lipo #{BUILD_DIR}/#{CONFIG}-iphonesimulator/#{LIB_NAME} #{BUILD_DIR}/#{CONFIG}-iphoneos/#{LIB_NAME} -create -output #{BUILD_DIR}/CombinedLib/libLRResty.a")
  end
  
  desc "Clean the build products directory"
  task :clean do
    system("xcodebuild clean")
  end

  FRAMEWORK_NAME = "LRResty.framework"
  
  namespace :ios do
    desc "Create the static framework for the iOS platform"
    task :framework => [:clean, :combined] do
      build_framework("#{BUILD_DIR}/CombinedLib/libLRResty.a")
    end
    
    desc "Build a disk image for the iOS static framework"
    task :diskimage => :framework do
      create_disk_image("pkg", "#{BUILD_DIR}/Release", "LRResty-iOS-#{PACKAGE_SUFFIX}.dmg")
    end
  end
  
  namespace :mac do
    desc "Create the framework for the Mac platform"
    task :framework => [:clean, :mac]
    
    desc "Build a disk image for the Mac framework"
    task :diskimage => :framework do
      create_disk_image("pkg", "#{BUILD_DIR}/Release", "LRResty-Mac-#{PACKAGE_SUFFIX}.dmg")
    end
  end
  
  GITHUB_USER = "lukeredpath"
  
  desc "Upload the specified packages to Github"
  task :upload_to_github do
    client = Github::Downloads.connect(GITHUB_USER, prompt_for_password, "LRResty")
    
    Dir["pkg/*-#{PACKAGE_SUFFIX}.dmg"].each do |file|
      print "* Uploading #{file} to Github..."; STDOUT.flush
      
      if client.create(file, "Automated upload #{Time.now}", :overwrite => true)
        puts "Success."
      else
        puts "Failed."
        puts "->  #{client.last_response.errors.inspect}"
      end
    end
  end
  
  task :all => %w{ios:framework mac:framework}
  
  def build_framework(path_to_library)
    FileUtils.rm_rf("#{BUILD_DIR}/Release")
    
    # build the mac framework target
    system("xcodebuild -target LRResty -configuration #{CONFIG}")
    
    # replace the dylib with our static library
    system("rm #{BUILD_DIR}/Release/#{FRAMEWORK_NAME}/LRResty")
    system("cp -f #{path_to_library} #{BUILD_DIR}/Release/#{FRAMEWORK_NAME}/Versions/A/LRResty")
    system("ln -s Versions/A/LRResty #{BUILD_DIR}/Release/#{FRAMEWORK_NAME}/LRResty")
    
    # update the framework version
    modify_plist("#{BUILD_DIR}/Release/#{FRAMEWORK_NAME}/Resources/Info.plist") do |plist|
      plist["CFBundleVersion"] = RESTY_VERSION
    end
  end
  
  def create_disk_image(destination, source, output_file)
    FileUtils.mkdir_p(destination)
    system("hdiutil create -srcfolder #{source} #{destination}/#{output_file} -ov")
  end
  
  def prompt_for_password
    fetch_password_from_keychain(GITHUB_USER) || ask("Enter Github password (#{GITHUB_USER}):", String) {|q| q.echo = false }.tap do |password|
      store_password_in_keychain(GITHUB_USER, password)
    end
  end
  
  def mac?
    RUBY_PLATFORM.match(/darwin/)
  end
  
  KEYCHAIN_SERVICE = "github-uploads"
  
  def fetch_password_from_keychain(user)
    OSXKeychain.new[KEYCHAIN_SERVICE, user] if mac?
  end
  
  def store_password_in_keychain(user, password)
    OSXKeychain.new[KEYCHAIN_SERVICE, user] = password if mac?
  end
end

task :default => "build:all"