import { setActorAlias } from 'wildebeest/backend/src/activitypub/actors'
import type { Actor } from 'wildebeest/backend/src/activitypub/actors'
import { parseHandle } from 'wildebeest/backend/src/utils/parse'
import { queryAcct } from 'wildebeest/backend/src/webfinger'
import { type Database } from 'wildebeest/backend/src/database'

export async function addAlias(db: Database, alias: string, connectedActor: Actor) {
	const handle = parseHandle(alias)
	const acct = `${handle.localPart}@${handle.domain}`
	if (handle.domain === null) {
		throw new Error("account migration within an instance isn't supported")
	}

	const actor = await queryAcct(handle.domain, db, acct)
	if (actor === null) {
		throw new Error('actor not found')
	}

	await setActorAlias(db, connectedActor.id, actor.id)
}