# frozen_string_literal: true
# encoding: utf-8

# Copyright (C) 2020 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

module Mongo
  class Error

    # Raised if an unsupported option is specified for an operation.
    class UnsupportedOption < Error
      # The error message provided when the user passes the hint option to
      # a write operation against a server that does not support the hint
      # option and does not provide option validation.
      #
      # @api private
      HINT_MESSAGE = "The MongoDB server handling this request does not support " \
        "the hint option on this command. The hint option is supported on update " \
        "commands on MongoDB server versions 4.2 and later and on findAndModify " \
        "and delete commands on MongoDB server versions 4.4 and later"

      # The error message provided when the user passes the hint option to
      # an unacknowledged write operation.
      #
      # @api private
      UNACKNOWLEDGED_HINT_MESSAGE = "The hint option cannot be specified on " \
        "an unacknowledged write operation. Remove the hint option or perform " \
        "this operation with a write concern of at least { w: 1 }"

      # The error message provided when the user passes the allow_disk_use
      # option to a find operation against a server that does not support the
      # allow_disk_use operation and does not provide option validation.
      #
      # @api private
      ALLOW_DISK_USE_MESSAGE = "The MongoDB server handling this request does " \
        "not support the allow_disk_use option on this command. The " \
        "allow_disk_use option is supported on find commands on MongoDB " \
        "server versions 4.4 and later"

      # The error message provided when the user passes the commit_quorum option
      # to a createIndexes operation against a server that does not support
      # that option.
      #
      # @api private
      COMMIT_QUORUM_MESSAGE = "The MongoDB server handling this request does " \
        "not support the commit_quorum option on this command. The commit_quorum " \
        "option is supported on createIndexes commands on MongoDB server versions " \
        "4.4 and later"

      # Raise an error about an unsupported hint option.
      #
      # @option options [ Boolean ] unacknowledged_write Whether this error
      #   pertains to a hint option passed to an unacknowledged write. Defaults
      #   to false.
      #
      # @return [ Mongo::Error::UnsupportedOption ] An error with a default
      #   error message.
      #
      # @api private
      def self.hint_error(**options)
        unacknowledged_write = options[:unacknowledged_write] || false

        error_message = if unacknowledged_write
          UNACKNOWLEDGED_HINT_MESSAGE
        else
          HINT_MESSAGE
        end

        new(error_message)
      end

      # Raise an error about an unsupported allow_disk_use option.
      #
      # @return [ Mongo::Error::UnsupportedOption ] An error with a default
      #   error message.
      #
      # @api private
      def self.allow_disk_use_error
        new(ALLOW_DISK_USE_MESSAGE)
      end

      # Raise an error about an unsupported commit_quorum option.
      #
      # @return [ Mongo::Error::UnsupportedOption ] An error with a default
      #   error message.
      #
      # @api private
      def self.commit_quorum_error
        new(COMMIT_QUORUM_MESSAGE)
      end
    end
  end
end