import {z} from 'zod'

export type ExternalProductVariantV2PricePriceGeoConstraint = {country?: string | undefined, country_group?: string | undefined};

export type ExternalMoneyV2 = {amount_minor?: number | undefined, currency?: string | undefined};

export type ExternalProductVariantV2Price = {geo_constraint?: ExternalProductVariantV2PricePriceGeoConstraint | undefined, wholesale_price?: ExternalMoneyV2 | undefined, retail_price?: ExternalMoneyV2 | undefined};

export type UpdateProductPricesBySkusRequestV2ProductVariantPriceBySku = {sku?: string | undefined, prices?: Array<ExternalProductVariantV2Price> | undefined};

export type UpdateProductPricesBySkusRequestV2 = {prices?: Array<UpdateProductPricesBySkusRequestV2ProductVariantPriceBySku> | undefined};

export type PatchApiProductPricesBySkusArgs = {body: UpdateProductPricesBySkusRequestV2};

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

export const externalProductVariantV2PricePriceGeoConstraint = z.object({country: z.string().optional(), country_group: z.string().optional()});

export const externalMoneyV2 = z.object({amount_minor: z.number().int().optional(), currency: z.string().optional()});

export const externalProductVariantV2Price = z.object({geo_constraint: externalProductVariantV2PricePriceGeoConstraint.optional(), wholesale_price: externalMoneyV2.optional(), retail_price: externalMoneyV2.optional()});

export const updateProductPricesResponseV2PriceUpdateResult = z.object({prices: z.array(externalProductVariantV2Price).optional()});

export const updateProductPricesResponseV2 = z.object({results: z.record(z.string(), updateProductPricesResponseV2PriceUpdateResult).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
};

/**
 * PATCH /product-prices/by-skus
 * 
 * PATCH /product-prices/by-skus
 */
export const patchApiProductPricesBySkus = async (args: PatchApiProductPricesBySkusArgs, options?: PatchApiProductPricesBySkusOptions) => {
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('content-type', "application/json")
headers.set('accept', "application/json")

if (OAuth !== undefined) headers.set("X-FAIRE-OAUTH-ACCESS-TOKEN", OAuth)
if (AppCredentials !== undefined) headers.set("X-FAIRE-APP-CREDENTIALS", AppCredentials)

const url = `${baseUrl.replace(/\/+$/, '')}/product-prices/by-skus${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", headers, body: JSON.stringify(args.body)})

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

return validateResponse(updateProductPricesResponseV2, await res.json())
};