class Jeweler::Tasks

def define
  desc "Setup initial version of 0.0.0"
  file "VERSION.yml" do
    @jeweler.write_version 0, 0, 0, :commit => false
    $stdout.puts "Created VERSION.yml: 0.0.0"
  end
  desc "Build gem"
  task :build do
    @jeweler.build_gem
  end
  desc "Install gem using sudo"
  task :install => :build do
    @jeweler.install_gem
  end
  desc "Generate and validates gemspec"
  task :gemspec => ['gemspec:generate', 'gemspec:validate']
  namespace :gemspec do
    desc "Validates the gemspec"
    task :validate => 'VERSION.yml' do
      @jeweler.validate_gemspec
    end
    desc "Generates the gemspec, using version from VERSION.yml"
    task :generate => 'VERSION.yml' do
      @jeweler.write_gemspec
    end
  end
  desc "Displays the current version"
  task :version => 'VERSION.yml' do
    $stdout.puts "Current version: #{@jeweler.version}"
  end
  namespace :version do
    desc "Writes out an explicit version. Respects the following environment variables, or defaults to 0: MAJOR, MINOR, PATCH"
    task :write do
      major, minor, patch = ENV['MAJOR'].to_i, ENV['MINOR'].to_i, ENV['PATCH'].to_i
      @jeweler.write_version(major, minor, patch, :announce => false, :commit => false)
      $stdout.puts "Updated version: #{@jeweler.version}"
    end
    namespace :bump do
      desc "Bump the gemspec by a major version."
      task :major => ['VERSION.yml', :version] do
        @jeweler.bump_major_version
        $stdout.puts "Updated version: #{@jeweler.version}"
      end
      desc "Bump the gemspec by a minor version."
      task :minor => ['VERSION.yml', :version] do
        @jeweler.bump_minor_version
        $stdout.puts "Updated version: #{@jeweler.version}"
      end
      desc "Bump the gemspec by a patch version."
      task :patch => ['VERSION.yml', :version] do
        @jeweler.bump_patch_version
        $stdout.puts "Updated version: #{@jeweler.version}"
      end
    end
  end
  desc "Release the current version. Includes updating the gemspec, pushing, and tagging the release"
  task :release do
    @jeweler.release
  end
  
  namespace :rubyforge do
    namespace :release do
      desc "Release the current gem version to RubyForge."
      task :gem => [:gemspec, :build] do
        begin
          @jeweler.release_gem_to_rubyforge
        rescue NoRubyForgeProjectInGemspecError => e
          abort "Setting up RubyForge requires that you specify a 'rubyforge_project' in your Jeweler::Tasks declaration"
        rescue MissingRubyForgePackageError => e
          abort "Rubyforge reported that the #{e.message} package isn't setup. Run rake rubyforge:setup to do so."
        rescue RubyForgeProjectNotConfiguredError => e
          abort "RubyForge reported that #{e.message} wasn't configured. This means you need to run 'rubyforge setup', 'rubyforge login', and 'rubyforge configure', or maybe the project doesn't exist on RubyForge"
        end
      end
    end
    desc "Setup a rubyforge project for this gem"
    task :setup do
      begin 
        @jeweler.setup_rubyforge
      rescue NoRubyForgeProjectInGemspecError => e
        abort "Setting up RubyForge requires that you specify a 'rubyforge_project' in your Jeweler::Tasks declaration"
      rescue RubyForgeProjectNotConfiguredError => e
        abort "The RubyForge reported that #{e.message} wasn't configured. This means you need to run 'rubyforge setup', 'rubyforge login', and 'rubyforge configure', or maybe the project doesn't exist on RubyForge"
      end
    end
  end
end

def initialize(gemspec = nil, &block)
  @gemspec = gemspec || Gem::Specification.new()
  yield @gemspec if block_given?
  @jeweler = Jeweler.new(@gemspec)
  define
end