export type MetadataDTO = {value?: string | undefined, config?: {[key: string]: Record<string, never>} | undefined};

export type UpdateApiItemsItemnameMetadataNamespaceArgs = {itemname: string, namespace: string, body: MetadataDTO};

export type UpdateApiItemsItemnameMetadataNamespaceOptions = {baseUrl: string, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * Adds metadata to an item.
 * 
 * PUT /items/{itemname}/metadata/{namespace}
 */
export const updateApiItemsItemnameMetadataNamespace = async (args: UpdateApiItemsItemnameMetadataNamespaceArgs, options: UpdateApiItemsItemnameMetadataNamespaceOptions) => {
const {baseUrl, fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/items/${encodeURIComponent(String(args.itemname))}/metadata/${encodeURIComponent(String(args.namespace))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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 undefined
};