import {z} from 'zod'

export type GetApiReviewNuggetsDataArgs = {store: string, per_page?: number | undefined, sku?: Array<string> | undefined, min_rating?: number | undefined, types: 'store_review' | 'product_review', branch?: string | undefined, tags?: Array<string> | undefined};

export type GetApiReviewNuggetsDataOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const reviewNuggetsResponse = z.object({id: z.number().int().optional(), type: z.string().optional(), text: z.string().optional(), rating: z.string().optional(), review_id: z.string().optional(), date_created_nugget: z.string().optional()});

export const getApiReviewNuggetsDataResponse = z.object({success: z.boolean().optional(), data: z.array(reviewNuggetsResponse).optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Retrieve Review Nuggets
 * 
 * GET /review-nuggets/data
 */
export const getApiReviewNuggetsData = async (args: GetApiReviewNuggetsDataArgs, options?: GetApiReviewNuggetsDataOptions) => {
const {baseUrl = "https://api.reviews.io", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.store != null) query.append("store", String(args.store))
if (args.per_page != null) query.append("per_page", String(args.per_page))
for (const item of args.sku ?? []) query.append("sku", String(item))
if (args.min_rating != null) query.append("min_rating", String(args.min_rating))
if (args.types != null) query.append("types", String(args.types))
if (args.branch != null) query.append("branch", String(args.branch))
for (const item of args.tags ?? []) query.append("tags", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/review-nuggets/data${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiReviewNuggetsDataResponse, await res.json())
};