import {z} from 'zod'

export type CreateApiRecommendationEngineShoppingCartActionsCombineArgs = {'Accept-Language'?: string | undefined, body: {customer_id: string, cart_product_ids?: Array<string> | undefined, product_id_list?: Array<string> | undefined, count?: number | undefined}};

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

export const pluId = z.object({list_code: z.string(), code: z.string()});

export const recommendedProduct = z.object({product_id: z.string().optional(), plu_ids: z.array(pluId).optional()});

export const createApiRecommendationEngineShoppingCartActionsCombineResponse = z.object({data: z.object({recommended_products_list: z.array(recommendedProduct).optional(), total_items: z.number().int().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
};

/**
 * Get the best recommendation for shopping cart
 * 
 * POST /recommendation-engine/shopping-cart/actions/combine
 * 
 * Also accepts auth: basicAuth
 */
export const createApiRecommendationEngineShoppingCartActionsCombine = async (args: CreateApiRecommendationEngineShoppingCartActionsCombineArgs, options?: CreateApiRecommendationEngineShoppingCartActionsCombineOptions) => {
const {baseUrl = "https://sandbox.crmcarecloud.com/webservice/rest-api/enterprise-interface/v1.0", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args['Accept-Language'] != null) headers.set("Accept-Language", String(args['Accept-Language']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/recommendation-engine/shopping-cart/actions/combine${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", 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(createApiRecommendationEngineShoppingCartActionsCombineResponse, await res.json())
};