import { Account } from '~/shared/types/account';
import { readSchedule, writeSchedule } from '~/server/database';
import { broadcastUpdate } from '~/server/streams';

export async function updateScheduleInterestedCounts(accounts: Account[]) {
	const counts = new Map();
	for (const account of accounts)
		if (account.interestedIds)
			for (const id of account.interestedIds)
				counts.set(id, (counts.get(id) ?? 0) + 1);

	const schedule = await readSchedule();
	for (const event of schedule.events) {
		event.interested = counts.get(event.id);
		for (const slot of event.slots) {
			slot.interested = counts.get(slot.id);
		}
	}
	await writeSchedule(schedule);
	broadcastUpdate(schedule);
}