require 'sinatra/base'

require 'teatime/teafile'

module Teatime
  class Server < Sinatra::Base

    def self.root_path(*chunks)
      File.expand_path(File.join('..', *chunks), __FILE__)
    end

    def self.load_teafile(teafile)
      if File.exist?(teafile)
        Teatime::Teafile.load(teafile)
      end
    end

    set :teatime, load_teafile(File.join(Dir.pwd, 'Teafile'))

    set :views, root_path('views')
    set :public_folder, teatime.lib_dir

    get '/' do
      haml :index, :locals => {
        :js_files => js_files,
        :css_files => css_files
      }
    end

    get '/test/*' do
      js_test_file = File.join(*params[:splat])

      send_file File.join(settings.teatime.test_dir, js_test_file)
    end

    get '/vendor/*' do
      js_vendor_file = File.join(*params[:splat])

      send_file File.join(settings.teatime.vendor_dir, js_vendor_file)
    end


    private

    def vendor_js_files
      %w{mocha.js chai.js}.map do |file_path|
        File.join 'vendor', 'javascripts', File.basename(file_path)
      end
    end

    def vendor_css_files
      %w{mocha.css}.map do |file_path|
        File.join 'vendor', 'stylesheets', File.basename(file_path)
      end
    end

    def js_helper_files
      Dir[File.join(settings.teatime.test_dir, settings.teatime.test_helpers)].map do |helper_file|
        File.join 'test', helper_file.gsub(%r{^#{settings.teatime.test_dir}}, '')
      end
    end

    def js_lib_files
      Dir[File.join(settings.teatime.lib_dir, settings.teatime.lib_files)].map do |lib_file|
        File.join lib_file.gsub(%r{^#{settings.teatime.lib_dir}}, '')
      end
    end

    def js_test_files
      Dir[File.join(settings.teatime.test_dir, settings.teatime.test_files)].map do |test_file|
        File.join 'test', test_file.gsub(%r{^#{settings.teatime.test_dir}}, '')
      end
    end

    def js_files
      vendor_js_files + js_lib_files + js_helper_files + js_test_files
    end

    def css_files
      vendor_css_files
    end
  end
end