import * as prismic from "@prismicio/client"

import { capitalCase, sentenceCase } from "../lib/changeCase"
import { createFaker } from "../lib/createFaker"
import type { MockModelConfig } from "../types"

export type MockRichTextModelConfig<WithMultipleBlocks extends boolean = boolean> = {
	withMultipleBlocks?: WithMultipleBlocks
} & MockModelConfig

export const richText = <WithMultipleBlocks extends boolean = boolean>(
	config: MockRichTextModelConfig<WithMultipleBlocks>,
): WithMultipleBlocks extends true
	? prismic.CustomTypeModelRichTextMultiField
	: prismic.CustomTypeModelRichTextSingleField => {
	const faker = config.faker || createFaker(config.seed)

	const blockTypes = faker
		.randomElements([
			prismic.RichTextNodeType.heading1,
			prismic.RichTextNodeType.heading2,
			prismic.RichTextNodeType.heading3,
			prismic.RichTextNodeType.heading4,
			prismic.RichTextNodeType.heading5,
			prismic.RichTextNodeType.heading6,
			prismic.RichTextNodeType.paragraph,
			prismic.RichTextNodeType.preformatted,
			prismic.RichTextNodeType.strong,
			prismic.RichTextNodeType.em,
			prismic.RichTextNodeType.listItem,
			prismic.RichTextNodeType.oListItem,
			prismic.RichTextNodeType.image,
			prismic.RichTextNodeType.embed,
			prismic.RichTextNodeType.hyperlink,
		])
		.join(",")

	const blockTypeConfig =
		(config.withMultipleBlocks ?? faker.boolean()) ? { multi: blockTypes } : { single: blockTypes }

	return {
		type: prismic.CustomTypeModelFieldType.StructuredText,
		config: {
			label: capitalCase(faker.word()),
			placeholder: sentenceCase(faker.words(3)),
			allowTargetBlank: faker.boolean() ? true : undefined,
			...blockTypeConfig,
		},
	} as WithMultipleBlocks extends true
		? prismic.CustomTypeModelRichTextMultiField
		: prismic.CustomTypeModelRichTextSingleField
}