require 'aws/s3'
require 'uglifier'
require 'simple_site/tasks'
require 'simple_site/haml_context'
require 'haml'

class SimpleSite
  
  attr_reader :options
  
  def initialize(options = {})
    @options = {}
    @options[:buckets] ||= [options.delete(:bucket)].compact
    options[:buckets].each {|bucket| @options[:buckets] << bucket } unless options[:buckets].nil?
    @options.merge!(options)
    @options[:js_files] ||= Dir['_js/*.js']
  end
  
  def js_files=(files)
    @options[:js_files] = files
  end
  
  def buckets=(buckets)
    @options[:buckets] = buckets
  end
  
  def generate_html
    engine = Haml::Engine.new(File.read('_src/index.haml'))
    File.open('public/index.html', 'w') {|f| f.write(engine.render(SimpleSite::HamlContext.new)) }
    puts "Regenerated site!"
  end
  
  def generate_css
    system "sass _sass/style.sass public/css/style.css"
    puts "Regenerated css!"
  end
  
  def generate_js
    system 'mkdir -p _tmp; touch _tmp/js.js; :> _tmp/js.js'
    @options[:js_files].each do |f|
      system "cat _js/#{f} >> _tmp/js.js"
    end
    File.open('public/js/script.js', 'w') {|f| f.write(Uglifier.compile(File.read('_tmp/js.js'))) }
    system 'rm _tmp/js.js'
    puts "Regenerated js!"
  end
  
  def deploy!
    Dir.chdir('public')
    Dir['**/*'].select { |f| File.file?(f) }.each do |file|
      deploy file
    end
  end
  
  def deploy_file!
    Dir.chdir('public')
    ENV['FILES'].select { |f| File.file?(f) }.each do |file|
      deploy file
    end
  end
  
  
  private
    def deploy(file)
      age = 7*24*60*60
      options = {
        :access => :public_read,
        :cache_control => "max-age=#{age}"
        # :expires => age.from_now.httpdate
      }
      puts "  --> #{file}"
      @options[:buckets].each do |bucket|
        AWS::S3::S3Object.store(file, open(file), bucket, options)
      end
    end
  
end