begin
  require 'bundler/setup'
rescue LoadError
  puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
end

require 'rdoc/task'

RDoc::Task.new(:rdoc) do |rdoc|
  rdoc.rdoc_dir = 'rdoc'
  rdoc.title    = 'Fiona7'
  rdoc.options << '--line-numbers'
  rdoc.rdoc_files.include('README.rdoc')
  rdoc.rdoc_files.include('lib/**/*.rb')
end


namespace "package" do
  desc "Package javascript"
  task "js" do
    require 'babel/transpiler'
    require 'handlebars_assets'

    puts "Transpiling javascript files"
    Dir["app/**/*"].each do |fname|
      if /\.es6\.js$/ =~ fname
        nfname = ::File.join(::File.dirname(fname), ::File.basename(fname, '.es6.js') + '.js')
        puts "#{fname} -> #{nfname}"
        ::File.open(nfname, 'w') do |f|
          f.write Babel::Transpiler.transform(File.read(fname))["code"]
        end
      end

      if /\.js\.jsx$/ =~ fname
        nfname = ::File.join(::File.dirname(fname), ::File.basename(fname, '.js.jsx') + '.js')
        puts "#{fname} -> #{nfname}"
        ::File.open(nfname, 'w') do |f|
          f.write Babel::Transpiler.transform(File.read(fname))["code"]
        end
      end
    end
    puts "Processing handlebars templates"
    templates = []
    template_namespace = 'ScrivitoHandlebarsTemplates'

    Dir["app/assets/javascripts/fiona7/templates/**/*"].each do |fname|
      if /\.hbs$/ =~ fname
        puts "Compiling #{fname}"
        template_name = fname.sub(/.*javascripts\/fiona7\/templates\//, '').sub(/\.hbs$/, '').dump
        precompiled = HandlebarsAssets::Handlebars.precompile(File.read(fname))
        template = "Handlebars.template(#{precompiled})"

        templates << <<-TEMPLATE
            (function() {
              this.#{template_namespace} || (this.#{template_namespace} = {});
              this.#{template_namespace}[#{template_name}] = #{template};
              return this.#{template_namespace}[#{template_name}];
            }).call(this);
        TEMPLATE
      end
    end

    puts "Writing app/assets/javascripts/fiona7/templates.js"
    File.open('app/assets/javascripts/fiona7/templates.js', 'w') do |f|
      templates.each do |t|
        f.write(t)
      end
    end
  end
end

namespace "clean" do
  desc "Clean packaged javascript"
  task "js" do
    puts "Cleaning transpiled javascript files"
    Dir["app/**/*"].each do |fname|
      if /\.es6\.js$/ =~ fname
        nfname = ::File.join(::File.dirname(fname), ::File.basename(fname, '.es6.js') + '.js')
        puts "#{nfname}"
        ::FileUtils.rm(nfname) if ::File.exists?(nfname)
      end
      if /\.js\.jsx$/ =~ fname
        nfname = ::File.join(::File.dirname(fname), ::File.basename(fname, '.js.jsx') + '.js')
        puts "#{nfname}"
        ::FileUtils.rm(nfname) if ::File.exists?(nfname)
      end
    end
  end
end

task "build" => ["clean:js", "package:js"] do
  # dummy, needed for dependencies, the rest is added later by bundler
end

Bundler::GemHelper.install_tasks


task "build" => ["clean:js"] do
  # dummy, needed to clean-up
end