export type ErrorDetails = {errorCode?: string | undefined, message?: string | undefined};

export type NameValue = {errorDetails?: ErrorDetails | undefined, name?: string | undefined, originalValue?: string | undefined, value?: string | undefined};

export type DocumentFieldsInformation = {documentFields?: Array<NameValue> | undefined};

export type CreateApiV21AccountsAccountIdTemplatesTemplateIdDocumentsDocumentIdFieldsArgs = {accountId: string, documentId: string, templateId: string, body: DocumentFieldsInformation};

export type CreateApiV21AccountsAccountIdTemplatesTemplateIdDocumentsDocumentIdFieldsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * Creates custom document fields in an existing template document.
 * 
 * POST /v2.1/accounts/{accountId}/templates/{templateId}/documents/{documentId}/fields
 */
export const createApiV21AccountsAccountIdTemplatesTemplateIdDocumentsDocumentIdFields = async (args: CreateApiV21AccountsAccountIdTemplatesTemplateIdDocumentsDocumentIdFieldsArgs, options?: CreateApiV21AccountsAccountIdTemplatesTemplateIdDocumentsDocumentIdFieldsOptions) => {
const {baseUrl = "https://www.docusign.net/restapi", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2.1/accounts/${encodeURIComponent(String(args.accountId))}/templates/${encodeURIComponent(String(args.templateId))}/documents/${encodeURIComponent(String(args.documentId))}/fields${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 res.blob()
};