// Fail before listening if an installation has no valid runtime configuration.
import { spawn } from "node:child_process";
import { pathToFileURL } from "node:url";

export function validateRuntime(settings) {
	const invalid = [];
	if (!settings.HOTEL_NAME?.trim() || settings.HOTEL_NAME === "Build fixture")
		invalid.push("HOTEL_NAME");
	if (
		!settings.AUTH_SECRET ||
		settings.AUTH_SECRET.length < 32 ||
		settings.AUTH_SECRET.startsWith("build-fixture-")
	)
		invalid.push("AUTH_SECRET");
	for (const [key, protocols] of [
		["DATABASE_URL", ["mysql:"]],
		["APP_URL", ["http:", "https:"]],
	]) {
		try {
			if (!protocols.includes(new URL(settings[key]).protocol))
				invalid.push(key);
		} catch {
			invalid.push(key);
		}
	}
	const localEnabled = ["true", "1"].includes(
		String(settings.CROWDSEC_LOCAL_ENABLED ?? "")
			.trim()
			.toLowerCase(),
	);
	if (localEnabled) {
		if (!settings.CROWDSEC_LAPI_API_KEY?.trim())
			invalid.push("CROWDSEC_LAPI_API_KEY");
		if (settings.CROWDSEC_LAPI_URL) {
			try {
				new URL(settings.CROWDSEC_LAPI_URL);
			} catch {
				invalid.push("CROWDSEC_LAPI_URL");
			}
		}
	}
	if (invalid.length)
		throw new Error(`Invalid runtime configuration: ${invalid.join(", ")}`);
}

if (
	process.argv[1] &&
	import.meta.url === pathToFileURL(process.argv[1]).href
) {
	try {
		validateRuntime(process.env);
		const child = spawn(process.execPath, ["server.js"], { stdio: "inherit" });
		for (const signal of ["SIGTERM", "SIGINT"])
			process.on(signal, () => child.kill(signal));
		child.on("error", () => {
			console.error("CMS process could not start");
			process.exitCode = 1;
		});
		child.on("exit", (code) => {
			process.exitCode = code ?? 1;
		});
	} catch (error) {
		console.error(error.message);
		process.exitCode = 1;
	}
}