const pool = global.pool
const fpbx = global.fpbx
const client = global.client
const log = global.log

module.exports = {};
var error_shown = false;
module.exports.handleScheduled = async () => {
	if (error_shown) return;
	if (!process.env.DISCORD_GUILD) {
		error_shown = true;
		return log.error(`Environment variable DISCORD_GUILD is not set! Cannot handle automatic deletions. Please set this variable and restart to enable this feature.`);
	}
	const deletions = await pool.query('SELECT * FROM discord_deletions');
	if (!deletions) return;

	for (const deletion of deletions) {
		const guild = client.guilds.cache.get(process.env.DISCORD_GUILD);
		const member = guild ? await guild.members.fetch(deletion.discordId).catch(() => null) : null;
		const ext = await fpbx.getExtension(deletion.extension);
		if (!ext) {
			log.error(`Failed to get extension for deletion: ${deletion.discordId}. Assuming it's already gone. Deleting from database.`);
			await pool.query('DELETE FROM discord_deletions WHERE discordId = ?', [deletion.discordId]);
			await pool.query('DELETE FROM discord_users WHERE discordId = ?', [deletion.discordId]);
			return;
		}
		if (member) {
			log.info(`User ${deletion.discordId} rejoined, removing deletion`);
			await pool.query('DELETE FROM discord_deletions WHERE discordId = ?', [deletion.discordId]);
			return;
		} else if (new Date(deletion.deleteAt) < new Date()) {
			log.info(`Deleting extension for ${deletion.discordId}`);
			const deleteResp = await fpbx.deleteExtension(deletion.extension);
			if (!deleteResp[0].deleteExtension.status) {
				log.error(`Failed to delete extension for ${deletion.discordId}`);
				await pool.query('DELETE FROM discord_deletions WHERE discordId = ?', [deletion.discordId]);
				return;
			} else {
				log.info(`Deleted extension for ${deletion.discordId}`);
				await pool.query('DELETE FROM discord_users WHERE discordId = ?', [deletion.discordId]);
			}
			await fpbx.reload();
			await pool.query('DELETE FROM discord_deletions WHERE discordId = ?', [deletion.discordId]);
			return;
		}
	}
};

module.exports.findOrphans = async () => {
	if (error_shown) return;
	if (!process.env.DISCORD_GUILD) {
		error_shown = true;
		return log.error(`Environment variable DISCORD_GUILD is not set! Cannot handle automatic deletions. Please set this variable and restart to enable this feature.`);
	}
	const users = await pool.query('SELECT * FROM discord_users');
	const deletions = await pool.query('SELECT * FROM discord_deletions');
	const guild = client.guilds.cache.get(process.env.DISCORD_GUILD);
	if (!users) return
	for (const user of users) {
		const member = guild ? await guild.members.fetch(user.discordId).catch(() => null) : null;
		if (!member) {
			log.info(`User ${user.discordId} not found in guild, marking for deletion`);
			const isMarkedForDeletion = deletions.some(deletion => deletion.discordId === user.discordId);
			if (isMarkedForDeletion) {
				log.info(`User ${user.discordId} is already marked for deletion`);
				continue;
			}
			const deleteAt = new Date(Date.now() + 60 * 60 * 1000); // 1 hour in the future
			await pool.query('INSERT INTO discord_deletions (discordId, extension, deleteAt) VALUES (?, ?, ?)', [user.discordId, user.extension, deleteAt]);
		}
	}
};