require "ffi_yajl"
require_relative "../rest_base"
require "uuidtools"

module ChefZero
  module Endpoints
    # /organizations
    class OrganizationsEndpoint < RestBase
      def get(request)
        result = {}
        data_store.list(request.rest_path).each do |name|
          result[name] = build_uri(request.base_uri, request.rest_path + [name])
        end
        json_response(200, result)
      end

      def post(request)
        contents = FFI_Yajl::Parser.parse(request.body)
        name = contents["name"]
        full_name = contents["full_name"]
        if name.nil?
          error(400, "Must specify 'name' in JSON")
        elsif full_name.nil?
          error(400, "Must specify 'full_name' in JSON")
        elsif exists_data_dir?(request, request.rest_path + [ name ])
          error(409, "Organization already exists")
        else
          create_data_dir(request, request.rest_path, name, requestor: request.requestor)

          org = {
            "guid" => UUIDTools::UUID.random_create.to_s.delete("-"),
            "assigned_at" => Time.now.to_s,
          }.merge(contents)
          org_path = request.rest_path + [ name ]
          set_data(request, org_path + [ "org" ], FFI_Yajl::Encoder.encode(org, pretty: true))

          if server.generate_real_keys?
            # Create the validator client
            validator_name = "#{name}-validator"
            validator_path = org_path + [ "clients", validator_name ]
            private_key, public_key = server.gen_key_pair
            validator = FFI_Yajl::Encoder.encode({
              "validator" => true,
              "public_key" => public_key,
            }, pretty: true)
            set_data(request, validator_path, validator)
          end

          json_response(201, {
            "uri" => (build_uri(request.base_uri, org_path)).to_s,
            "name" => name,
            "org_type" => org["org_type"],
            "full_name" => full_name,
            "clientname" => validator_name,
            "private_key" => private_key,
          })
        end
      end
    end
  end
end