module Binda
  class Asset::ImageUploader < CarrierWave::Uploader::Base

    # Include RMagick or MiniMagick support:
    # include CarrierWave::RMagick
    include CarrierWave::MiniMagick

    # Choose what kind of storage to use for this uploader:
    # storage :file
    # storage :fog

    # Override the directory where uploaded files will be stored.
    # This is a sensible default for uploaders that are meant to be mounted:
    def store_dir
      "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
    end

    # https://github.com/carrierwaveuploader/carrierwave/wiki/How-to%3A-Make-Carrierwave-work-on-Heroku
    def cache_dir
      "#{Rails.root}/tmp/uploads"
    end

    # Provide a default URL as a default if there hasn't been a file uploaded:
    # def default_url
    #   # For Rails 3.1+ asset pipeline compatibility:
    #   # ActionController::Base.helpers.asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
    #
    #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')
    # end

    # Process files as they are uploaded:
    # process scale: [200, 300]
    #
    # def scale(width, height)
    #   # do something
    # end

    # Create different versions of your uploaded files:
    # version :thumb do
    #   process resize_to_fit: [50, 50]
    # end

    # ========== IMPORTANT ===========
    # If you change this remember to change the methods on app/models/binda/component.rb

    version :thumb do
      process resize_to_fit: [200, 200]
    end

    version :medium do
      process resize_to_fit: [700, 700]
    end

    version :large do
      process resize_to_fit: [1400, 1400]
    end

    # ================================

    # Add a white list of extensions which are allowed to be uploaded.
    # For images you might use something like this:
    # def extension_whitelist
    #   %w(jpg jpeg gif png)
    # end
    def content_type_whitelist
      /image\//
    end

    # Override the filename of the uploaded files:
    # Avoid using model.id or version_name here, see uploader/store.rb for details.
    # def filename
    #   "something.jpg" if original_filename
    # end

  end
end