module Fog
  module Slicehost
    extend Fog::Service

    requires :slicehost_password

    model_path 'fog/slicehost/models'
    model       :flavor
    collection  :flavors
    model       :image
    collection  :images
    model       :server
    collection  :servers

    request_path 'fog/slicehost/requests'
    request :create_slice
    request :delete_slice
    request :get_backups
    request :get_flavor
    request :get_flavors
    request :get_image
    request :get_images
    request :get_slice
    request :get_slices
    request :reboot_slice

    class Mock
      include Collections

      def self.data
        @data ||= Hash.new do |hash, key|
          hash[key] = {}
        end
      end

      def self.reset_data(keys=data.keys)
        for key in [*keys]
          data.delete(key)
        end
      end

      def initialize(options={})
        @slicehost_password = options[:slicehost_password]
        @data = self.class.data[@slicehost_password]
      end

    end

    class Real
      include Collections

      def initialize(options={})
        @slicehost_password = options[:slicehost_password]
        @host   = options[:host]    || "api.slicehost.com"
        @port   = options[:port]    || 443
        @scheme = options[:scheme]  || 'https'
        @connection = Fog::Connection.new("#{@scheme}://#{@host}:#{@port}", options[:persistent])
      end

      def reload
        @connection.reset
      end

      def request(params)
        params[:headers] ||= {}
        params[:headers].merge!({
          'Authorization' => "Basic #{Base64.encode64(@slicehost_password).delete("\r\n")}"
        })
        case params[:method]
        when 'DELETE', 'GET', 'HEAD'
          params[:headers]['Accept'] = 'application/xml'
        when 'POST', 'PUT'
          params[:headers]['Content-Type'] = 'application/xml'
        end

        begin
          response = @connection.request(params.merge!({:host => @host}))
        rescue Excon::Errors::Error => error
          raise case error
          when Excon::Errors::NotFound
            Fog::Slicehost::NotFound.slurp(error)
          else
            error
          end
        end

        response
      end

    end
  end
end