require 'dragonfly'
require 'uri'

## initialize Dragonfly ##

app = Dragonfly[:images]
app.configure_with(:rails)
app.configure_with(:imagemagick)

## insert the middleware ##
Rails.application.middleware.insert 0, 'Dragonfly::Middleware', :images

## configure it ##

Dragonfly[:images].configure do |c|
  # Convert absolute location needs to be specified
  # to avoid issues with Phusion Passenger not using $PATH
  convert = `which convert`.strip.presence || "/usr/local/bin/convert"
  c.convert_command  = convert
  c.identify_command = convert

  c.allow_fetch_url  = true
  c.allow_fetch_file = true
end

## disable rack-cache for heroku and enable it for the other platforms ##
require 'locomotive'

unless Locomotive.heroku? # has already a reverse-proxy caching system with Varnish
  begin
    require 'rack/cache'
    Rails.application.middleware.insert_before 'Dragonfly::Middleware', 'Rack::Cache', {
      :verbose     => true,
      :metastore   => URI.encode("file:#{Rails.root}/tmp/dragonfly/cache/meta"), # URI encoded in case of spaces
      :entitystore => URI.encode("file:#{Rails.root}/tmp/dragonfly/cache/body")
    }
  rescue LoadError => e
    app.log.warn("Warning: couldn't find rack-cache for caching dragonfly content")
  end
end