import {
  GraphQLInputInt,
  GraphQLInputFloat,
} from 'graphql-input-number';

const argType = GraphQLInputInt({
  name: 'OneToNineInt',
  min: 1,
  max: 9,
});

new GraphQLObjectType({
  name: 'Query',
  fields: {
    input: {
      type: GraphQLInt,
      args: {
        number: {
          type: argType,
        },
      },
      resolve: (_, {number}) => {

        // 'number' IS AN INT BETWEEN 1 to 9.

      };
    },
  },
});

GraphQLInputInt({
  // Type name.
  // [REQUIRED]
  name: string = null,

  // Sanitize function that is called at the end of sanitzation phase and before
  // validation phase.
  sanitize: ((number) => number) = null,

  // Minimum value allowed (inclusive).
  min: number = null,

  // Maximum value allowed (inclusive).
  max: number = null,

  // Test function that is called at the end of validation phase.
  test: ((number) => boolean) = null,

  // Custom error handler.
  // May throw an error or return a value.
  // If a value is returned, it will become the final value.
  error: ErrorHandler = () => throw GraphQLError,

  // Parse function that is called after validation phase before returning a
  // value.
  // May throw an error or return a value.
  parse: ((number) => any) = null,

  // If you want to pass some config to type constructor, simply add them here.
  // For example,
  description: string,
});

GraphQLInputFloat({
  ...same as GraphQLInputInt
});


type ErrorInfo = {
  type: string,
  value: number,
  message: ?string,
  ast: ?Ast,
  ...args,
};


type ErrorHandler = (ErrorInfo) => any;