require "berkshelf/ridley_compat"

module Berkshelf
  module APIClient
    require_relative "errors"

    class Connection
      # @return [String]
      attr_reader :url

      # @return [Integer]
      #   how many retries to attempt on HTTP requests
      attr_reader :retries

      # @return [Float]
      #   time to wait between retries
      attr_reader :retry_interval

      # @param [String, Addressable::URI] url
      #
      # @option options [Integer] :open_timeout (3)
      #   how long to wait (in seconds) for connection open to the API server
      # @option options [Integer] :timeout (30)
      #   how long to wait (in seconds) before getting a response from the API server
      # @option options [Integer] :retries (3)
      #   how many retries to perform before giving up
      # @option options [Float] :retry_interval (0.5)
      #   how long to wait (in seconds) between each retry
      def initialize(url, options = {})
        # it looks like Faraday mutates the URI argument it is given, when we ripped Faraday out of this
        # API it stopped doing that.  this may or may not be a breaking change (it broke some fairly
        # brittle berkshelf tests).  if it causes too much berkshelf chaos we could revert by uncommenting
        # the next line.  as it is removing this behavior feels more like fixing a bug.
        # @url = url.normalize! if url.is_a?(Addressable::URI)
        options = { retries: 3, retry_interval: 0.5, open_timeout: 30, timeout: 30 }.merge(options)
        options[:server_url] = url

        @client = Berkshelf::RidleyCompatJSON.new(**options)
      end

      # Retrieves the entire universe of known cookbooks from the API source
      #
      # @raise [APIClient::TimeoutError]
      #
      # @return [Array<APIClient::RemoteCookbook>]
      def universe
        response = @client.get("universe")

        [].tap do |cookbooks|
          response.each do |name, versions|
            versions.each { |version, attributes| cookbooks << RemoteCookbook.new(name, version, attributes) }
          end
        end
      end
    end
  end
end