require "bundler/gem_tasks"
require 'httparty'
require 'zip/zip'

def process_zip_url(url, &block)
  mkdir_p 'tmp' 

  response = HTTParty.get(url)
  File.open(target = 'tmp/elastic.zip', 'wb') { |fh| fh.print response.body }

  Zip::ZipFile.foreach(target, &block)
end

sources = {
  'jquery.cookie' => [
    'https://raw.github.com/carhartl/jquery-cookie/master/jquery.cookie.js'
  ],
  'jquery-elastic' => lambda {
    process_zip_url('http://jquery-elastic.googlecode.com/files/jquery.elastic-1.6.11.zip') do |entry|
      if entry.name['jquery.elastic.source.js']
        entry.extract('vendor/assets/javascripts/jquery.elastic.js') { true }
      end
    end
  },
  'jquery-viewport' => [
    'https://raw.github.com/borbit/jquery.viewport/master/jquery.viewport.js'
  ],
  'better-autocomplete' => [
    'https://raw.github.com/betamos/Better-Autocomplete/develop/src/jquery.better-autocomplete.js',
    'https://raw.github.com/betamos/Better-Autocomplete/develop/src/better-autocomplete.css'
  ],
  'moment' => [
    'https://raw.github.com/timrwood/moment/master/moment.js'
  ],
  'ajaxfileuploader' => lambda {
    process_zip_url('http://phpletter.com/download_project_version.php?version_id=34') do |entry|
      if entry.name['ajaxfileupload.js']
        entry.extract('vendor/assets/javascripts/ajaxfileupload.js') { true }
      end
    end
  },
  'jquery-ui-timepicker' => [
    'http://trentrichardson.com/examples/timepicker/js/jquery-ui-timepicker-addon.js'
  ]
}

desc 'Update verything'
task :update do
  sources.each do |name, files|
    case files
    when Array
      files.each do |url|
        puts "Retrieving #{url} for #{name}..."
        response = HTTParty.get(url, :format => 'application/octet-stream')

        case File.extname(url)
        when '.js'
          target = Pathname('vendor/assets/javascripts')
        when '.css'
          target = Pathname('vendor/assets/stylesheets')
        end

        target.mkpath
        target.join(File.basename(url)).open('wb') { |fh| fh.print response.body }
      end
    when Proc
      puts "Executing code for #{name}..."
      files.call
    end
  end
end

task :default => :update