require 'fog/core/collection'
require 'fog/rackspace/models/compute_v2/server'

module Fog
  module Compute
    class RackspaceV2

      class Servers < Fog::Collection

        model Fog::Compute::RackspaceV2::Server

        # Returns list of servers 
        # @return [Fog::Compute::RackspaceV2::Servers] Retrieves a list servers.
        # @raise [Fog::Compute::RackspaceV2::NotFound] - HTTP 404
        # @raise [Fog::Compute::RackspaceV2::BadRequest] - HTTP 400
        # @raise [Fog::Compute::RackspaceV2::InternalServerError] - HTTP 500
        # @raise [Fog::Compute::RackspaceV2::ServiceError]
        # @note Fog's current implementation only returns 1000 servers
        # @note The filter parameter on the method is just to maintain compatability with other providers that support filtering.
        # @see http://docs.rackspace.com/servers/api/v2/cs-devguide/content/List_Servers-d1e2078.html
        def all(filters = {})
          data = service.list_servers.body['servers']
          load(data)
        end

        # Creates a new server and populates ssh keys
        # @return [Fog::Compute::RackspaceV2::Server]
        # @raise [Fog::Compute::RackspaceV2::NotFound] - HTTP 404
        # @raise [Fog::Compute::RackspaceV2::BadRequest] - HTTP 400
        # @raise [Fog::Compute::RackspaceV2::InternalServerError] - HTTP 500
        # @raise [Fog::Compute::RackspaceV2::ServiceError]
        # @note This method is incompatible with Cloud Servers utlizing RackConnect. RackConnect users
        #     should use server personalization to install keys.  Please see Server#personality for more information.
        # @example
        #   service.servers.bootstrap :name => 'bootstrap-server',
        #                             :flavor_id => service.flavors.first.id,
        #                             :image_id => service.images.find {|img| img.name =~ /Ubuntu/}.id,
        #                             :public_key_path => '~/.ssh/fog_rsa.pub',
        #                             :private_key_path => '~/.ssh/fog_rsa'
        #
        # @raise [Fog::Compute::RackspaceV2::InvalidServerStateException] if server state is an error state
        def bootstrap(new_attributes = {})
          server = create(new_attributes)
          server.wait_for(1500) { ready? && !public_ip_address.empty? }
          server.setup(:password => server.password)
          server
        end

        # Retrieves server
        # @param [String] server_id for server to be returned
        # @return [Fog::Compute::RackspaceV2:Server]
        # @raise [Fog::Compute::RackspaceV2::NotFound] - HTTP 404
        # @raise [Fog::Compute::RackspaceV2::BadRequest] - HTTP 400
        # @raise [Fog::Compute::RackspaceV2::InternalServerError] - HTTP 500
        # @raise [Fog::Compute::RackspaceV2::ServiceError]
        # @see http://docs.rackspace.com/servers/api/v2/cs-devguide/content/Get_Server_Details-d1e2623.html
        def get(server_id)
          data = service.get_server(server_id).body['server']
          new(data)
        rescue Fog::Compute::RackspaceV2::NotFound
          nil
        end
      end
    end
  end
end