module Pluginizer
  class PluginBuilder < Rails::PluginBuilder
    def readme
      template 'README.md'
    end

    def gemspec
      template "%name%.gemspec"
    end

    def gitignore
      template '.gitignore'
    end

    def test
    end

    def leftovers
      template '.ruby-version'
      template "lib/%namespaced_name%/configuration.rb"

      after_bundle do
        in_root do
          configure_rspec

          git :init
          git add: '.'
          git commit: "-m 'first commit'"
        end
      end
    end

    private

    def configure_rspec
      invoke('rspec:install')

      gsub_file 'spec/rails_helper.rb',
        "require File.expand_path('../../config/environment', __FILE__)",
        "require File.expand_path('../dummy/config/environment', __FILE__)"

      run "bundle binstubs rspec-core"

      insert_into_file 'spec/rails_helper.rb', "\nrequire 'fantaskspec'\n", after: "# Add additional requires below this line. Rails is not loaded until this point!"
      insert_into_file 'spec/rails_helper.rb', "\n  config.infer_rake_task_specs_from_file_location!\n", before: /^end/
      shoulda = <<-SHOULDA.strip_heredoc.indent(2)

        Shoulda::Matchers.configure do |config|
          config.integrate do |with|
            with.test_framework :rspec
            with.library :rails
          end
        end
      SHOULDA
      insert_into_file 'spec/rails_helper.rb', shoulda, before: /^end/
    end
  end
end