class Rspec::Generators::ScaffoldGenerator

def banner
  self.class.banner
end

def copy_view(view)
  template "#{view}_spec.rb",
           target_path("views", controller_file_path, "#{view}.html.#{options[:template_engine]}_spec.rb")
end

def generate_controller_spec
  return unless options[:controller_specs]
  if options[:api]
    template 'api_controller_spec.rb', template_file(folder: 'controllers', suffix: '_controller')
  else
    template 'controller_spec.rb', template_file(folder: 'controllers', suffix: '_controller')
  end
end

def generate_request_spec
  return unless options[:request_specs]
  if options[:api]
    template 'api_request_spec.rb', template_file(folder: 'requests')
  else
    template 'request_spec.rb', template_file(folder: 'requests')
  end
end

def generate_routing_spec
  return unless options[:routing_specs]
  template_file = target_path(
    'routing',
    controller_class_path,
    "#{controller_file_name}_routing_spec.rb"
  )
  template 'routing_spec.rb', template_file
end

def generate_view_specs
  return if options[:api]
  return unless options[:view_specs] && options[:template_engine]
  copy_view :edit
  copy_view :index unless options[:singleton]
  copy_view :new
  copy_view :show
end

def initialize(*args, &blk)
  @generator_args = args.first
  super(*args, &blk)
end

def ns_file_name
  return file_name if ns_parts.empty?
  "#{ns_prefix.map(&:underscore).join('/')}_#{ns_suffix.singularize.underscore}"
end

def ns_parts
  @ns_parts ||= begin
                  parts = generator_args[0].split(/\/|::/)
                  parts.size > 1 ? parts : []
                end
end

def ns_prefix
  @ns_prefix ||= ns_parts[0..-2]
end

def ns_suffix
  @ns_suffix ||= ns_parts[-1]
end

def ns_table_name
  return table_name if ns_parts.empty?
  "#{ns_prefix.map(&:underscore).join('/')}/#{ns_suffix.tableize}"
end

def raw_value_for(attribute)
  case attribute.type
  when :string
    attribute.name.titleize
  when :integer, :float
    @attribute_id_map ||= {}
    @attribute_id_map[attribute] ||= @attribute_id_map.keys.size.next + attribute.default
  else
    attribute.default
  end
end

def show_helper(resource_name = file_name)
  "#{singular_route_name}_url(#{resource_name})"
end

def template_file(folder:, suffix: '')
  target_path(folder, controller_class_path, "#{controller_file_name}#{suffix}_spec.rb")
end

def value_for(attribute)
  raw_value_for(attribute).inspect
end