import type * as prismic from "@prismicio/client"

import { createFaker } from "../lib/createFaker"
import { valueForModelMap, type ValueForModelMapConfigs } from "../lib/valueForModelMap"
import * as modelGen from "../model"
import type { MockValueConfig, MockValueStateConfig, ModelValue } from "../types"

export type MockGroupValueConfig<
	Model extends prismic.CustomTypeModelGroupField = prismic.CustomTypeModelGroupField,
	State extends prismic.FieldState = prismic.FieldState,
> = {
	itemsCount?: State extends "empty" ? 0 : number
	configs?: ValueForModelMapConfigs
} & MockValueConfig<Model> &
	MockValueStateConfig<State>

export type MockGroupValue<State extends prismic.FieldState = prismic.FieldState> =
	prismic.DateField<State>

export const group = <
	Model extends prismic.CustomTypeModelGroupField = prismic.CustomTypeModelGroupField,
	State extends prismic.FieldState = "filled",
>(
	config: MockGroupValueConfig<Model, State>,
): ModelValue<Model, State> => {
	if (config.state === "empty") {
		return [] as ModelValue<Model, State>
	} else {
		const faker = config.faker || createFaker(config.seed)

		const model = config.model || modelGen.group({ faker })

		const itemsCount = config.itemsCount ?? faker.range(1, 6)

		return Array(itemsCount)
			.fill(undefined)
			.map(() => {
				return valueForModelMap({
					faker,
					map: model.config?.fields || {},
					configs: config.configs,
				})
			}) as ModelValue<Model, State>
	}
}