import { Account } from "~/shared/types/account";
import { readAccounts, writeAccounts } from "~/server/database";

export default defineEventHandler(async (event) => {
	const session = await requireAccountSession(event);
	const body: Pick<Account, "interestedIds"> = await readBody(event);
	if (
		!(body.interestedIds instanceof Array)
		|| !body.interestedIds.every(id => typeof id === "string")
	) {
		throw createError({
			status: 400,
			message: "Invalid interestedIds",
		});
	}

	const accounts = await readAccounts();
	const sessionAccount = accounts.find(account => account.id === session.accountId);
	if (!sessionAccount) {
		throw Error("Account does not exist");
	}

	if (body.interestedIds.length) {
		sessionAccount.interestedIds = body.interestedIds;
	} else {
		delete sessionAccount.interestedIds;
	}
	await writeAccounts(accounts);

	// Update Schedule counts.
	await updateScheduleInterestedCounts(accounts);
})