import {z} from 'zod'

export type GetApiProductReviewArgs = {store: string, apikey?: string | undefined, sku?: string | undefined, mpn?: string | undefined, page?: number | undefined, per_page?: number | undefined, photos?: boolean | undefined, verified_only?: boolean | undefined, comments_only?: boolean | undefined, minRating?: number | undefined, include_unpublished_images?: boolean | undefined, include_moderated?: boolean | undefined, min_date?: string | undefined, max_date?: string | undefined, min_updated?: string | undefined, max_updated?: string | undefined};

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

export const productReviewResponse = z.object({review: z.string().optional(), sku: z.string().optional(), rating: z.string().optional(), date_created: z.string().optional(), reviewer: z.object({first_name: z.string().optional(), last_name: z.string().optional(), verified_buyer: z.string().optional()}).optional(), product: z.object({sku: z.string().optional(), name: z.string().optional(), description: z.string().optional(), image_url: z.string().optional(), mpn: z.string().optional(), brand: z.string().optional(), category: z.string().optional()}).optional()});

export const getApiProductReviewResponse = z.object({store: z.object({name: z.string().optional(), logo: z.string().optional()}).optional(), stats: z.object({average: z.string().optional(), count: z.string().optional()}).optional(), reviews: z.object({total: z.string().optional(), per_page: z.string().optional(), current_page: z.string().optional(), last_page: z.string().optional(), from: z.string().optional(), to: z.string().optional(), data: z.array(productReviewResponse).optional()}).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 Product Reviews
 * 
 * GET /product/review
 */
export const getApiProductReview = async (args: GetApiProductReviewArgs, options?: GetApiProductReviewOptions) => {
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.apikey != null) query.append("apikey", String(args.apikey))
if (args.sku != null) query.append("sku", String(args.sku))
if (args.mpn != null) query.append("mpn", String(args.mpn))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.photos != null) query.append("photos", String(args.photos))
if (args.verified_only != null) query.append("verified_only", String(args.verified_only))
if (args.comments_only != null) query.append("comments_only", String(args.comments_only))
if (args.minRating != null) query.append("minRating", String(args.minRating))
if (args.include_unpublished_images != null) query.append("include_unpublished_images", String(args.include_unpublished_images))
if (args.include_moderated != null) query.append("include_moderated", String(args.include_moderated))
if (args.min_date != null) query.append("min_date", String(args.min_date))
if (args.max_date != null) query.append("max_date", String(args.max_date))
if (args.min_updated != null) query.append("min_updated", String(args.min_updated))
if (args.max_updated != null) query.append("max_updated", String(args.max_updated))

const url = `${baseUrl.replace(/\/+$/, '')}/product/review${query.size > 0 ? `?${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(getApiProductReviewResponse, await res.json())
};