#!/bin/env -S deno run -A --unstable

import { daemon_listen, Runner, start_runner } from "./src/lib.ts";
import { new_container_config } from "./src/lib/config.ts";
import { socket_path } from "./src/lib/paths.ts";

await main();
async function main() {
	const server = daemon_listen(socket_path());
	const enabled = new Map<string, Runner>();
	async function finish() {
		server.server.close();
		await Deno.remove(socket_path());
		for (const runner of enabled.values()) await runner.stop();
		Deno.exit(0);
	}
	Deno.addSignalListener("SIGINT", finish);
	console.log("listening to", socket_path());

	for await (const { cmd, respond } of server) {
		console.log("received", { cmd });

		if (cmd.kind === "status") {
			await respond(JSON.stringify(Array.from(enabled.keys())));
			continue;
		}

		if (cmd.kind === "enable") {
			const config = new_container_config(cmd.name); // TODO
			const runner = start_runner(config);
			enabled.set(cmd.name, runner);
			await respond("enabled");
			continue;
		}

		if (cmd.kind === "disable") {
			await enabled.get(cmd.name)?.stop();
			enabled.delete(cmd.name);
			await respond("disabled");
			continue;
		}

		if (cmd.kind === "stop") {
			await respond(JSON.stringify("stopping, ++"));
			await finish();
		}

		await respond("unknown");
	}
}