import {z} from 'zod'

export type GetApiV1WebhooksIdArgs = {id: string};

export type GetApiV1WebhooksIdOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const webhookEventType = z.enum(["REFERRAL_CREATED", "REFERRAL_ACTIVATED", "REFERRAL_APPLICATION_STATUS_CHANGED", "TRANSFER_PROCESSED", "TRANSFER_FAILED", "EXPENSE_PAYMENT_UPDATED", "USER_UPDATED", "EMBEDDED_CARD_TRANSACTION_UPDATED", "EMBEDDED_CARD_UPDATED", "EMBEDDED_ACCOUNT_UPDATED", "EMBEDDED_CARD_SHIPPING_UPDATED", "EMBEDDED_DISPUTE_UPDATED", "PARTNERSHIP_INTEGRATION_CONNECTION_UPDATED", "EMBEDDED_CARD_AUTHORIZATION", "EMBEDDED_FRAUD_ALERT", "EMBEDDED_BILLING_GROUP_UPDATED", "EMBEDDED_LEGAL_ENTITY_UPDATED", "EMBEDDED_BILLING_STATEMENT_UPDATED", "EMBEDDED_USER_STATUS_UPDATED", "ACCOUNTING_RECORD_READY_FOR_EXPORT"]);

export const webhookSubscription = z.object({id: z.string().min(1), group_id: z.string().nullable().optional(), url: z.string(), event_types: z.array(webhookEventType), status: z.enum(["ACTIVE", "INACTIVE"])});

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 Webhook
 * 
 * GET /v1/webhooks/{id}
 */
export const getApiV1WebhooksId = async (args: GetApiV1WebhooksIdArgs, options?: GetApiV1WebhooksIdOptions) => {
const {baseUrl = "https://api.brex.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/webhooks/${encodeURIComponent(String(args.id))}${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(webhookSubscription, await res.json())
};