import {z} from 'zod'

export type CreateApiRecommendationsRecommendArgs = {body: {data: {customers?: Array<string> | undefined, products?: Array<string> | undefined, excludeProducts?: Array<string> | undefined, maxResults?: number | undefined, typedId?: string | undefined}}};

export type CreateApiRecommendationsRecommendOptions = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const createApiRecommendationsRecommendResponse = z.object({response: z.object({node: z.string().optional(), data: z.array(z.object({categoryName: z.string().optional(), items: z.array(z.object({item: z.object({version: z.number().int().optional(), typedId: z.string().optional(), sku: z.string().optional(), label: z.string().optional(), unitOfMeasure: z.string().nullable().optional(), userGroupEdit: z.string().nullable().optional(), userGroupViewDetails: z.string().nullable().optional(), currency: z.string().optional(), formulaName: z.string().nullable().optional(), image: z.string().nullable().optional(), createDate: z.string().optional(), createdBy: z.number().int().optional(), lastUpdateDate: z.string().optional(), lastUpdateBy: z.number().int().optional(), attribute1: z.string().nullable().optional(), attribute2: z.string().nullable().optional(), attribute3: z.string().nullable().optional(), attribute4: z.string().nullable().optional(), attribute5: z.unknown(), attribute6: z.string().nullable().optional(), attribute7: z.number().int().nullable().optional(), attribute8: z.string().nullable().optional(), attribute9: z.string().nullable().optional(), attribute10: z.string().nullable().optional(), attribute11: z.string().nullable().optional(), attribute12: z.string().nullable().optional(), attribute13: z.string().nullable().optional(), attribute14: z.string().nullable().optional(), attribute15: z.string().nullable().optional(), attribute16: z.string().nullable().optional(), attribute17: z.string().nullable().optional(), attribute18: z.string().nullable().optional(), attribute19: z.string().nullable().optional(), attribute20: z.string().nullable().optional(), attribute21: z.string().nullable().optional(), attribute22: z.string().nullable().optional(), attribute23: z.string().nullable().optional(), attribute24: z.string().nullable().optional(), attribute25: z.string().nullable().optional(), attribute26: z.string().nullable().optional(), attribute27: z.string().nullable().optional(), attribute28: z.string().nullable().optional(), attribute29: z.string().nullable().optional(), attribute30: z.string().nullable().optional()}).optional(), score: z.number().int().optional()})).optional()})).optional(), status: 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
};

/**
 * List Recommendations
 * 
 * POST /recommendations.recommend
 * 
 * Also accepts auth: X-PriceFx-jwt
 */
export const createApiRecommendationsRecommend = async (args: CreateApiRecommendationsRecommendArgs, options?: CreateApiRecommendationsRecommendOptions) => {
const {baseUrl = "https://companynode.pricefx.com/pricefx/companypartition", fetch: fetchFn = fetch, basic} = options ?? {}

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

if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

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