require 'faraday'

module ComicVine
  class Api
    module HTTPService
      class << self
        attr_accessor :faraday_middleware, :http_options

        private

        def faraday_options(options)
          valid_options = [
            :request, :proxy, :ssl, :builder, :url, :parallel_manager, :params,
            :headers, :builder_class
          ]
          Hash[options.select { |key, _| valid_options.include?(key) }]
        end
      end

      self.http_options ||= {}

      DEFAULT_MIDDLEWARE = proc do |builder|
        builder.adapter Faraday.default_adapter
      end

      def self.make_request(request)
        connection = Faraday.new(
          request.server, faraday_options(request.options),
          &(faraday_middleware || DEFAULT_MIDDLEWARE)
        )
        response = connection.send(request.verb, request.path, request.args)
        ComicVine::Api::Response.new(
          status: response.status.to_i, headers: response.headers,
          body: response.body
        )
      end
    end
  end
end