import {z} from 'zod'

export type GetApiV1CustomersExternalIdsArgs = {externalIds?: Array<string> | undefined, customerIds?: Array<number> | undefined, integrationName?: string | undefined, skip?: number | undefined, take?: number | undefined};

export type GetApiV1CustomersExternalIdsOptions = {baseUrl: string, sk?: string | undefined, fetch?: typeof fetch | undefined};

export const externalIDResponse = z.object({added: z.number().int().optional(), addedby_id: z.number().int().optional(), changed: z.number().int().optional(), changedby_id: z.number().int().optional(), customerId: z.number().int().optional(), externalId: z.string().optional(), integrationName: z.string().optional()});

export const getApiV1CustomersExternalIdsResponse = z.array(externalIDResponse);

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
};

/**
 * Read external Ids of the customers
 * 
 * GET /v1/customers/external-ids
 * 
 * Also accepts auth: cc, jwt
 */
export const getApiV1CustomersExternalIds = async (args: GetApiV1CustomersExternalIdsArgs, options: GetApiV1CustomersExternalIdsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, sk} = options ?? {}

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

for (const item of args.externalIds ?? []) query.append("externalIds", String(item))
for (const item of args.customerIds ?? []) query.append("customerIds", String(item))
if (args.integrationName != null) query.append("integrationName", String(args.integrationName))
if (args.skip != null) query.append("skip", String(args.skip))
if (args.take != null) query.append("take", String(args.take))
if (sk !== undefined) headers.set("sessionKey", sk)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/customers/external-ids${query.size > 0 ? `?${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(getApiV1CustomersExternalIdsResponse, await res.json())
};