type Campayn = {

	apiKey: string

}

export async function main(

	resource: Campayn,

	listId: string,

	body: {

		id?: string

		email?: string

	}

) {

	const endpoint = `https://campayn.com/api/v1/lists/${listId}/unsubscribe.json`

	if (!body.id && !body.email) {

		throw new Error('Please provide either an id or an email inside the body!')

	}

	const response = await fetch(endpoint, {

		method: 'POST',

		headers: {

			Authorization: `TRUEREST apikey=${resource.apiKey}`

		},

		body: JSON.stringify(body)

	})

	if (!response.ok) {

		throw new Error(`HTTP error! status: ${response.status}`)

	}

	const data = await response.json()

	return data

}