import * as prismicT from "@prismicio/types";
import * as RTE from "fp-ts/ReaderTaskEither";
import { pipe } from "fp-ts/function";

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

/**
 * Queries all documents from a Prismic repository using the environment's
 * configuration. The following fields from the environment's `pluginOptions` are used:
 *
 * - `pluginOptions.releaseID`: Prismic Release ID from which to fetch documents.
 *   If not provided, the master ref is used.
 * - `pluginOptions.graphQuery`: GraphQuery to fetch nested data.
 * - `pluginOptions.fetchLinks`: List of document link fields to fetch.
 * - `pluginOptions.lang`: Language of documents to fetch. If not provided, all
 *   languages are fetched.
 *
 * @returns List of Prismic documents.
 */
export const queryAllDocuments: RTE.ReaderTaskEither<
	Dependencies,
	Error,
	prismicT.PrismicDocument[]
> = pipe(
	RTE.ask<Dependencies>(),
	RTE.chain((env) =>
		RTE.fromTask(() =>
			env.prismicClient.dangerouslyGetAll({
				pageSize: env.pluginOptions.pageSize,
			}),
		),
	),
);