import { BushTask, Reminder } from '#lib';
const { Op } = (await import('sequelize')).default;

export default class HandlerRemindersTask extends BushTask {
	public constructor() {
		super('handlerReminders', {
			delay: 30_000, // 30 seconds
			runOnStart: true
		});
	}

	public override async exec() {
		const expiredEntries = await Reminder.findAll({
			where: {
				expires: {
					[Op.lt]: new Date(Date.now() + 30_000) // Find all rows with an expiry date before 30 seconds from now
				},
				notified: false
			}
		});

		void client.logger.verbose(`handlerReminders`, `Queried reminders, found <<${expiredEntries.length}>> expired reminders.`);

		for (const entry of expiredEntries) {
			setTimeout(() => {
				void client.users
					.send(
						entry.user,
						`The reminder you set ${util.dateDelta(entry.created)} ago has expired: ${util.format.bold(entry.content)}\n${
							entry.messageUrl
						}`
					)
					.catch(() => false);
				void entry.update({ notified: true });
			}, entry.expires.getTime() - new Date().getTime());
		}
	}
}