import {z} from 'zod'

export type GetApiPublicUserCheckoutCatalogOptions = {baseUrl?: string | undefined, APIPrivateKey?: string | undefined, APIPublicKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiPublicUserCheckoutCatalogResponse = z.object({data: z.record(z.string(), z.object({country_id: z.string().optional(), product_cycle_options: z.array(z.string()).optional(), product_is_available: z.boolean().optional(), product_is_per_ip: z.boolean().optional(), product_name: z.string().optional(), product_protocol: z.string().optional(), product_stock: z.number().int().optional(), product_type: z.string().optional()})).optional(), message: 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
};

/**
 * Retrieve Simplified Product Checkout Catalog
 * 
 * GET /public/user/checkout/catalog
 */
export const getApiPublicUserCheckoutCatalog = async (options?: GetApiPublicUserCheckoutCatalogOptions) => {
const {baseUrl = "https://api.byteful.com/1.0", fetch: fetchFn = fetch, APIPrivateKey, APIPublicKey} = options ?? {}

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

if (APIPrivateKey !== undefined) headers.set("X-API-Private-Key", APIPrivateKey)
if (APIPublicKey !== undefined) headers.set("X-API-Public-Key", APIPublicKey)

const url = `${baseUrl.replace(/\/+$/, '')}/public/user/checkout/catalog${query.size > 0 ? `?${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(getApiPublicUserCheckoutCatalogResponse, await res.json())
};