import * as gatsby from "gatsby";
import * as RTE from "fp-ts/ReaderTaskEither";
import { pipe } from "fp-ts/function";

import { buildNamedInferredNodeType } from "../lib/buildNamedInferredNodeType";

import { Dependencies } from "../types";

/**
 * Builds a GraphQL type used by Embed fields. The resulting type can be created
 * using Gatsby's `createTypes` action.
 */
// TODO: Move typename to Dependencies (create in `buildDependencies.ts`).
export const buildEmbedType: RTE.ReaderTaskEither<
	Dependencies,
	never,
	gatsby.GatsbyGraphQLType
> = pipe(
	RTE.asks((deps: Dependencies) =>
		deps.nodeHelpers.createTypeName("EmbedType"),
	),
	RTE.chain(buildNamedInferredNodeType),
);