export type BodyUnsubscribeEmailOneClickV0 = {'List-Unsubscribe'?: string | undefined};

export type CreateApiV0EmailPreferencesUnsubscribePreferenceKeyArgs = {preference_key: string, token: string, body: BodyUnsubscribeEmailOneClickV0};

export type CreateApiV0EmailPreferencesUnsubscribePreferenceKeyOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * One-Click Unsubscribe (Rfc 8058)
 * 
 * POST /v0/email-preferences/unsubscribe/{preference_key}
 */
export const createApiV0EmailPreferencesUnsubscribePreferenceKey = async (args: CreateApiV0EmailPreferencesUnsubscribePreferenceKeyArgs, options?: CreateApiV0EmailPreferencesUnsubscribePreferenceKeyOptions) => {
const {baseUrl = "https://api.theirstack.com", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/x-www-form-urlencoded")
headers.set('accept', "text/html")

if (args.token != null) query.append("token", String(args.token))

const url = `${baseUrl.replace(/\/+$/, '')}/v0/email-preferences/unsubscribe/${encodeURIComponent(String(args.preference_key))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: new URLSearchParams(Object.entries(args.body).flatMap(([key, value]) => (value == null ? [] : [[key, String(value)]])))})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return res.text()
};