class GraphQL::Types::ISO8601Duration

def self.coerce_input(value, ctx)
  unless defined?(ActiveSupport::Duration)
    raise GraphQL::Error, "ActiveSupport >= 5.0 must be loaded to use the built-in ISO8601Duration type."
  end
  begin
    if value.is_a?(ActiveSupport::Duration)
      value
    elsif value.nil?
      nil
    else
      ActiveSupport::Duration.parse(value)
    end
  rescue ArgumentError, TypeError
    err = GraphQL::DurationEncodingError.new(value)
    ctx.schema.type_error(err, ctx)
  end
end

def self.coerce_result(value, _ctx)
  unless defined?(ActiveSupport::Duration)
    raise GraphQL::Error, "ActiveSupport >= 5.0 must be loaded to use the built-in ISO8601Duration type."
  end
  begin
    case value
    when ActiveSupport::Duration
      value.iso8601(precision: seconds_precision)
    when ::String
      ActiveSupport::Duration.parse(value).iso8601(precision: seconds_precision)
    else
      # Try calling as ActiveSupport::Duration compatible as a fallback
      value.iso8601(precision: seconds_precision)
    end
  rescue StandardError => error
    raise GraphQL::Error, "An incompatible object (#{value.class}) was given to #{self}. Make sure that only ActiveSupport::Durations and well-formatted Strings are used with this type. (#{error.message})"
  end
end

def self.seconds_precision
  # ActiveSupport::Duration precision defaults to whatever input was given
  @seconds_precision
end

def self.seconds_precision=(value)
  @seconds_precision = value
end