import {z} from 'zod'

export type OracleAccountId = number;

export type MerchantCompanyEntityUid = string;

export type GetApiAccountsOracleArgs = {oracleAccountId?: OracleAccountId | undefined, userUid?: string | undefined, merchantCompanyEntityUid?: MerchantCompanyEntityUid | undefined};

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

export const oracleAccountId = z.number().int();

export const createdUserId = z.string();

export const merchantCompanyEntityUid = z.string();

export const oracleAccountDetails = z.object({oracleAccountId: oracleAccountId, userUid: createdUserId.optional(), merchantCompanyEntityUid: merchantCompanyEntityUid.optional()});

export const oracleAccountDetailsResponse = z.object({accounts: z.array(oracleAccountDetails).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 list of all oracle accounts
 * 
 * GET /accounts/oracle
 * 
 * Also accepts auth: BearerAuth
 */
export const getApiAccountsOracle = async (args: GetApiAccountsOracleArgs, options?: GetApiAccountsOracleOptions) => {
const {baseUrl = "https://emea.gsc.verifone.cloud/oidc/checkout-service", fetch: fetchFn = fetch, BasicAuth} = options ?? {}

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

if (args.oracleAccountId != null) query.append("oracleAccountId", String(args.oracleAccountId))
if (args.userUid != null) query.append("userUid", String(args.userUid))
if (args.merchantCompanyEntityUid != null) query.append("merchantCompanyEntityUid", String(args.merchantCompanyEntityUid))
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

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