import { ActivePunishment, ActivePunishmentType, BushGuild, BushTask, BushUser } from '@lib';
import { Op } from 'sequelize';

export default class RemoveExpiredPunishmentsTask extends BushTask {
	public constructor() {
		super('removeExpiredPunishments', {
			delay: 15_000, // 15 seconds
			runOnStart: true
		});
	}
	public override async exec() {
		const expiredEntries = await ActivePunishment.findAll({
			where: {
				expires: {
					[Op.lt]: new Date() // Find all rows with an expiry date before now
				}
			}
		});

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

		for (const entry of expiredEntries) {
			const guild = client.guilds.cache.get(entry.guild) as BushGuild;
			const member = guild.members.cache.get(entry.user);
			const user = (await util.resolveNonCachedUser(entry.user)) as BushUser;

			if (!guild) continue;

			switch (entry.type) {
				case ActivePunishmentType.BAN: {
					if (!user) throw new Error(`user is undefined`);
					const result = await guild.bushUnban({ user: user, reason: 'Punishment expired.' });
					if (['success', 'user not banned'].includes(result)) await entry.destroy();
					else throw new Error(result);
					void client.logger.verbose(`removeExpiredPunishments`, `Unbanned ${entry.user}.`);
					break;
				}
				case ActivePunishmentType.BLOCK: {
					//todo once blocks are added
					break;
				}
				case ActivePunishmentType.MUTE: {
					if (!member) continue;
					const result = await member.unmute({ reason: 'Punishment expired.' });
					if (['success', 'failed to dm'].includes(result)) await entry.destroy();
					else throw new Error(result);
					void client.logger.verbose(`removeExpiredPunishments`, `Unmuted ${entry.user}.`);
					break;
				}
				case ActivePunishmentType.ROLE: {
					if (!member) continue;
					const role = guild?.roles?.cache?.get(entry.extraInfo);
					if (!role) throw new Error(`Cannot unmute ${member.user.tag} because I cannot find the mute role.`);
					const result = await member.removeRole({
						reason: 'Punishment expired.',
						role: role,
						addToModlog: true
					});

					if (['success', 'failed to dm'].includes(result)) await entry.destroy();
					else throw new Error(result);
					void client.logger.verbose(`removeExpiredPunishments`, `Removed a punishment role from ${entry.user}.`);
					break;
				}
			}
		}
	}
}