import {z} from 'zod'

export type GetApiWsBuybackV1ListingsArgs = {productId?: (string | null) | undefined, cursor?: (string | null) | undefined, pageSize?: number | undefined};

export type GetApiWsBuybackV1ListingsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const price = z.object({amount: z.string(), currency: z.string()});

export const buybackAestheticGradeCode = z.enum(["FUNCTIONAL_FLAWLESS", "FUNCTIONAL_GOOD", "FUNCTIONAL_USED", "FUNCTIONAL_CRACKED", "NOT_FUNCTIONAL_USED", "NOT_FUNCTIONAL_CRACKED"]);

export const buybackListing = z.object({id: z.string(), productId: z.string(), prices: z.record(z.string(), price), aestheticGradeCode: buybackAestheticGradeCode, sku: z.string().nullable(), markets: z.array(z.string())});

export const buybackPaginatedListingResponse = z.object({next: z.string().nullable(), results: z.array(buybackListing)});

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
};

/**
 * List of BuyBack listings
 * 
 * GET /ws/buyback/v1/listings
 * 
 * Also accepts auth: BasicAuth
 */
export const getApiWsBuybackV1Listings = async (args: GetApiWsBuybackV1ListingsArgs, options?: GetApiWsBuybackV1ListingsOptions) => {
const {baseUrl = "https://preprod.backmarket.co.jp", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.productId != null) query.append("productId", String(args.productId))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/ws/buyback/v1/listings${query.size > 0 ? `?${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(buybackPaginatedListingResponse, await res.json())
};