class GraphQL::Schema::Argument

def accessible?(context)
  true
end

def authorized?(obj, value, ctx)
  authorized_as_type?(obj, value, ctx, as_type: type)
end

def authorized_as_type?(obj, value, ctx, as_type:)
  if value.nil?
    return true
  end
  if as_type.kind.non_null?
    as_type = as_type.of_type
  end
  if as_type.kind.list?
    value.each do |v|
      if !authorized_as_type?(obj, v, ctx, as_type: as_type.of_type)
        return false
      end
    end
  elsif as_type.kind.input_object?
    as_type.arguments.each do |_name, input_obj_arg|
      input_obj_arg = input_obj_arg.type_class
      # TODO: this skips input objects whose values were alread replaced with application objects.
      # See: https://github.com/rmosolgo/graphql-ruby/issues/2633
      if value.respond_to?(:key?) && value.key?(input_obj_arg.keyword) && !input_obj_arg.authorized?(obj, value[input_obj_arg.keyword], ctx)
        return false
      end
    end
  end
  # None of the early-return conditions were activated,
  # so this is authorized.
  true
end

def coerce_into_values(parent_object, values, context, argument_values)
  arg_name = graphql_name
  arg_key = keyword
  default_used = false
  if values.key?(arg_name)
    value = values[arg_name]
  elsif values.key?(arg_key)
    value = values[arg_key]
  elsif default_value?
    value = default_value
    default_used = true
  else
    # no value at all
    owner.validate_directive_argument(self, nil)
    return
  end
  loaded_value = nil
  coerced_value = context.schema.error_handler.with_error_handling(context) do
    type.coerce_input(value, context)
  end
  # TODO this should probably be inside after_lazy
  if loads && !from_resolver?
    loaded_value = if type.list?
      loaded_values = coerced_value.map { |val| owner.load_application_object(self, loads, val, context) }
      context.schema.after_any_lazies(loaded_values) { |result| result }
    else
      context.query.with_error_handling do
        owner.load_application_object(self, loads, coerced_value, context)
      end
    end
  end
  coerced_value = if loaded_value
    loaded_value
  else
    coerced_value
  end
  # If this isn't lazy, then the block returns eagerly and assigns the result here
  # If it _is_ lazy, then we write the lazy to the hash, then update it later
  argument_values[arg_key] = context.schema.after_lazy(coerced_value) do |coerced_value|
    owner.validate_directive_argument(self, coerced_value)
    prepared_value = context.schema.error_handler.with_error_handling(context) do
      prepare_value(parent_object, coerced_value, context: context)
    end
    # TODO code smell to access such a deeply-nested constant in a distant module
    argument_values[arg_key] = GraphQL::Execution::Interpreter::ArgumentValue.new(
      value: prepared_value,
      definition: self,
      default_used: default_used,
    )
  end
end

def default_value?
  @default_value != NO_DEFAULT
end

def deprecation_reason(text = nil)
  if text
    self.deprecation_reason = text
  else
    super()
  end
end

def deprecation_reason=(new_reason)
  validate_deprecated_or_optional(null: @null, deprecation_reason: new_reason)
  super
end

def description(text = nil)
  if text
    @description = text
  else
    @description
  end
end

def from_resolver?
  @from_resolver
end

def initialize(arg_name = nil, type_expr = nil, desc = nil, required:, type: nil, name: nil, loads: nil, description: nil, ast_node: nil, default_value: NO_DEFAULT, as: nil, from_resolver: false, camelize: true, prepare: nil, method_access: true, owner:, validates: nil, directives: nil, deprecation_reason: nil, &definition_block)
  arg_name ||= name
  @name = -(camelize ? Member::BuildType.camelize(arg_name.to_s) : arg_name.to_s)
  @type_expr = type_expr || type
  @description = desc || description
  @null = !required
  @default_value = default_value
  @owner = owner
  @as = as
  @loads = loads
  @keyword = as || (arg_name.is_a?(Symbol) ? arg_name : Schema::Member::BuildType.underscore(@name).to_sym)
  @prepare = prepare
  @ast_node = ast_node
  @from_resolver = from_resolver
  @method_access = method_access
  self.deprecation_reason = deprecation_reason
  if directives
    directives.each do |dir_class, dir_options|
      directive(dir_class, **dir_options)
    end
  end
  self.validates(validates)
  if definition_block
    if definition_block.arity == 1
      instance_exec(self, &definition_block)
    else
      instance_eval(&definition_block)
    end
  end
end

def prepare_value(obj, value, context: nil)
  if value.is_a?(GraphQL::Schema::InputObject)
    value = value.prepare
  end
  Schema::Validator.validate!(validators, obj, context, value)
  if @prepare.nil?
    value
  elsif @prepare.is_a?(String) || @prepare.is_a?(Symbol)
    if obj.nil?
      # The problem here is, we _used to_ prepare while building variables.
      # But now we don't have the runtime object there.
      #
      # This will have to be called later, when the runtime object _is_ available.
      value
    else
      obj.public_send(@prepare, value)
    end
  elsif @prepare.respond_to?(:call)
    @prepare.call(value, context || obj.context)
  else
    raise "Invalid prepare for #{@owner.name}.name: #{@prepare.inspect}"
  end
end

def statically_coercible?
  return @statically_coercible if defined?(@statically_coercible)
  @statically_coercible = !@prepare.is_a?(String) && !@prepare.is_a?(Symbol)
end

def to_graphql
  argument = GraphQL::Argument.new
  argument.name = @name
  argument.type = -> { type }
  argument.description = @description
  argument.metadata[:type_class] = self
  argument.as = @as
  argument.ast_node = ast_node
  argument.method_access = @method_access
  if NO_DEFAULT != @default_value
    argument.default_value = @default_value
  end
  if self.deprecation_reason
    argument.deprecation_reason = self.deprecation_reason
  end
  argument
end

def type
  @type ||= begin
    parsed_type = begin
      Member::BuildType.parse_type(@type_expr, null: @null)
    rescue StandardError => err
      raise ArgumentError, "Couldn't build type for Argument #{@owner.name}.#{name}: #{err.class.name}: #{err.message}", err.backtrace
    end
    # Use the setter method to get validations
    self.type = parsed_type
  end
end

def type=(new_type)
  validate_input_type(new_type)
  # This isn't true for LateBoundTypes, but we can assume those will
  # be updated via this codepath later in schema setup.
  if new_type.respond_to?(:non_null?)
    validate_deprecated_or_optional(null: !new_type.non_null?, deprecation_reason: deprecation_reason)
  end
  @type = new_type
end

def validate_default_value
  coerced_default_value = begin
    type.coerce_isolated_result(default_value) unless default_value.nil?
  rescue GraphQL::Schema::Enum::UnresolvedValueError
    # It raises this, which is helpful at runtime, but not here...
    default_value
  end
  res = type.valid_isolated_input?(coerced_default_value)
  if !res
    raise InvalidDefaultValueError.new(self)
  end
end

def validate_deprecated_or_optional(null:, deprecation_reason:)
  if deprecation_reason && !null
    raise ArgumentError, "Required arguments cannot be deprecated: #{path}."
  end
end

def validate_input_type(input_type)
  if input_type.is_a?(String) || input_type.is_a?(GraphQL::Schema::LateBoundType)
    # Do nothing; assume this will be validated later
  elsif input_type.kind.non_null? || input_type.kind.list?
    validate_input_type(input_type.unwrap)
  elsif !input_type.kind.input?
    raise ArgumentError, "Invalid input type for #{path}: #{input_type.graphql_name}. Must be scalar, enum, or input object, not #{input_type.kind.name}."
  else
    # It's an input type, we're OK
  end
end

def visible?(context)
  true
end