import {z} from 'zod'

export type BaseUUID = string;

export type GetApiV1ProductRecommendationProductRecommendationIdArgs = {productRecommendationId: BaseUUID, hydrate?: boolean | undefined, strict?: boolean | undefined};

export type GetApiV1ProductRecommendationProductRecommendationIdOptions = {baseUrl?: string | undefined, EpilotAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const baseUUID = z.string();

export const baseTags = z.array(z.string()).nullable();

export const baseRelation = z.object({$relation: z.array(z.object({entity_id: baseUUID.optional(), _tags: baseTags.optional()}))});

export const baseEntityOwner = z.object({org_id: z.string(), user_id: z.string().optional()});

export const baseEntityAcl = z.object({view: z.array(z.string()).optional(), edit: z.array(z.string()).optional(), delete: z.array(z.string()).optional()});

export const offer = z.object({product_id: z.string().optional(), price_id: z.string().optional(), target_id: z.string().optional()});

export const basePurpose = z.array(z.string()).nullable();

export const productRecommendation = z.object({_id: baseUUID.optional(), _schema: z.literal("product_recommendation"), _org: z.string(), _tags: baseTags.optional(), _files: baseRelation.optional(), _owners: z.array(baseEntityOwner).optional(), _title: z.string().optional(), _created_at: z.string().optional(), _updated_at: z.string().optional(), _acl: baseEntityAcl.optional(), source_price: z.object({$relation: z.array(baseRelation).optional()}).optional(), source_product: z.object({$relation: z.array(baseRelation).optional()}).optional(), type: z.enum(["change", "cross-sell", "up-sell"]), offers: z.array(offer).optional(), _purpose: basePurpose.optional(), _manifest: z.array(z.string()).optional(), __additional: z.record(z.string(), z.unknown()).nullable().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
};

/**
 * getProductRecommendation
 * 
 * GET /v1/product-recommendation/{productRecommendationId}
 * 
 * Also accepts auth: EpilotOrg
 */
export const getApiV1ProductRecommendationProductRecommendationId = async (args: GetApiV1ProductRecommendationProductRecommendationIdArgs, options?: GetApiV1ProductRecommendationProductRecommendationIdOptions) => {
const {baseUrl = "https://product.sls.epilot.io", fetch: fetchFn = fetch, EpilotAuth} = options ?? {}

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

if (args.hydrate != null) query.append("hydrate", String(args.hydrate))
if (args.strict != null) query.append("strict", String(args.strict))
if (EpilotAuth !== undefined) headers.set('authorization', `Bearer ${EpilotAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/product-recommendation/${encodeURIComponent(String(args.productRecommendationId))}${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(productRecommendation, await res.json())
};