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

import { createType } from "../lib/createType";
import { getTypeName } from "../lib/getTypeName";
import { listTypeName } from "../lib/listTypeName";
import { buildSchemaRecordType } from "../lib/buildSchemaRecordType";

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

/**
 * Builds a GraphQL field configuration object for a Group Custom Type field. It
 * creates a GraphQL List type using the Group field's individual fields. Each
 * field is converted to their own GraphQL configuration object.
 *
 * This function registers a typepath for the field.
 *
 * @param path - Path to the field.
 * @param schema - Schema definition for the field.
 *
 * @returns GraphQL field configuration object.
 */
export const buildGroupFieldConfig: FieldConfigCreator<
	prismicT.CustomTypeModelGroupField
> = (path, schema) =>
	pipe(
		RTE.ask<Dependencies>(),
		RTE.chain(() => buildSchemaRecordType(path, schema.config.fields)),
		RTE.chainFirstW(createType),
		RTE.map(getTypeName),
		RTE.map(listTypeName),
	);