class RefileInput

# File lib/inputs/refile_input.rb, line 2
def initialize *args
  super

  @reference = SecureRandom.hex
end

# File lib/inputs/refile_input.rb, line 8
def file_input_html_options
  options[:data] ||= {}
  options[:data][:reference] = @reference

  attacher = object.send(:"#{method}_attacher")
  options[:accept] = attacher.definition.accept
  host =  options[:host] || Refile.cdn_host

  if options[:direct]
    backend_name = Refile.backends.key(attacher.cache)

    url = ::File.join(host, Rails.application.routes.url_helpers.refile_app_path, backend_name)
    options[:data].merge!(direct: true, as: "file", url: url)
  end

  if options[:presigned] and attacher.cache.respond_to?(:presign)
    url = ::File.join(host, Rails.application.routes.url_helpers.refile_app_path, backend_name, "presign")
    options[:data].merge!(direct: true, url: url)
  end

  options.merge(input_html_options)
end

# File lib/inputs/refile_input.rb, line 31
def hidden_input_html_options
  attacher = object.send(:"#{method}_attacher")
  { value: attacher.data.to_json, object: object, id: nil, data: { reference: @reference } }
end

# File lib/inputs/refile_input.rb, line 36
def to_html
  input_wrapping do
    label_html <<
    builder.hidden_field(method, hidden_input_html_options) <<
    builder.file_field(method, file_input_html_options) <<
    image_preview_content
  end
end

# File lib/inputs/refile_input.rb, line 51
def image_preview?
  !!options[:image_preview]
end

# File lib/inputs/refile_input.rb, line 47
def image_preview_content
  image_preview? ? image_preview_html(options[:image_preview]) : ''
end

# File lib/inputs/refile_input.rb, line 55
def image_preview_html(options)
  refile_app_path = Rails.application.routes.url_helpers.refile_app_path
  url = Refile.attachment_url @object, method, *options, prefix: refile_app_path

  template.content_tag(:div, template.image_tag(url), class: 'image-preview')
end