import {z} from 'zod'

export type GetApiProductsReviewsArgs = {limit?: number | undefined, cursor?: string | undefined};

export type GetApiProductsReviewsOptions = {baseUrl?: string | undefined, OAuth?: string | undefined, AppCredentials?: string | undefined, fetch?: typeof fetch | undefined};

export const externalImageV2 = z.object({id: z.string().optional(), width: z.number().int().optional(), height: z.number().int().optional(), sequence: z.number().int().optional(), url: z.string().optional(), original_url: z.string().optional(), tags: z.array(z.string()).optional()});

export const externalProductReviewReplyV2 = z.object({comment: z.string().optional(), created_at: z.string().optional()});

export const externalProductReviewV2 = z.object({id: z.string().optional(), rating: z.number().int().optional(), comment: z.string().optional(), brand_order_id: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), published_at: z.string().optional(), images: z.array(externalImageV2).optional(), reply: externalProductReviewReplyV2.optional()});

export const externalProductInfoV2 = z.object({product_id: z.string().optional(), name: z.string().optional()});

export const externalProductReviewWithDetailsV2 = z.object({product_review: externalProductReviewV2.optional(), retailer_id: z.string().optional(), product_info: externalProductInfoV2.optional()});

export const getExternalProductReviewsResponseV2 = z.object({product_reviews_with_details: z.array(externalProductReviewWithDetailsV2).optional(), limit: z.number().int().optional(), cursor: z.string().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
};

/**
 * GET /products/reviews
 * 
 * GET /products/reviews
 */
export const getApiProductsReviews = async (args: GetApiProductsReviewsArgs, options?: GetApiProductsReviewsOptions) => {
const {baseUrl = "https://www.faire.com/external-api/v2", fetch: fetchFn = fetch, OAuth, AppCredentials} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (OAuth !== undefined) headers.set("X-FAIRE-OAUTH-ACCESS-TOKEN", OAuth)
if (AppCredentials !== undefined) headers.set("X-FAIRE-APP-CREDENTIALS", AppCredentials)

const url = `${baseUrl.replace(/\/+$/, '')}/products/reviews${query.size > 0 ? `?${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(getExternalProductReviewsResponseV2, await res.json())
};