import { asyncExecShell, getEngine, version } from '$lib/common';
import { prisma } from '$lib/database';
export default async function (): Promise<void> {
	const destinationDockers = await prisma.destinationDocker.findMany();
	const engines = [...new Set(destinationDockers.map(({ engine }) => engine))];
	for (const engine of engines) {
		let lowDiskSpace = false;
		const host = getEngine(engine);
		try {
			const { stdout } = await asyncExecShell(
				`DOCKER_HOST=${host} docker exec coolify sh -c 'df -kPT /'`
			);
			let lines = stdout.trim().split('\n');
			let header = lines[0];
			let regex =
				/^Filesystem\s+|Type\s+|1024-blocks|\s+Used|\s+Available|\s+Capacity|\s+Mounted on\s*$/g;
			const boundaries = [];
			let match;

			while ((match = regex.exec(header))) {
				boundaries.push(match[0].length);
			}

			boundaries[boundaries.length - 1] = -1;
			const data = lines.slice(1).map((line) => {
				const cl = boundaries.map((boundary) => {
					const column = boundary > 0 ? line.slice(0, boundary) : line;
					line = line.slice(boundary);
					return column.trim();
				});
				return {
					capacity: Number.parseInt(cl[5], 10) / 100
				};
			});
			if (data.length > 0) {
				const { capacity } = data[0];
				if (capacity > 0.8) {
					lowDiskSpace = true;
				}
			}
		} catch (error) {
			console.log(error);
		}
		console.log(`Is LowDiskSpace detected? ${lowDiskSpace}`);
		if (lowDiskSpace) {
			// Cleanup old coolify images
			try {
				let { stdout: images } = await asyncExecShell(
					`DOCKER_HOST=${host} docker images coollabsio/coolify --filter before="coollabsio/coolify:${version}" -q | xargs `
				);
				images = images.trim();
				if (images) {
					await asyncExecShell(`DOCKER_HOST=${host} docker rmi -f ${images}`);
				}
			} catch (error) {
				//console.log(error);
			}
			try {
				await asyncExecShell(`DOCKER_HOST=${host} docker container prune -f`);
			} catch (error) {
				//console.log(error);
			}
			try {
				await asyncExecShell(`DOCKER_HOST=${host} docker image prune -f --filter "until=2h"`);
			} catch (error) {
				//console.log(error);
			}
			// Cleanup old images older than a day
			try {
				await asyncExecShell(`DOCKER_HOST=${host} docker image prune --filter "until=72h" -a -f`);
			} catch (error) {
				//console.log(error);
			}
		}
	}
}