import assert from "node:assert/strict";
import { mkdtemp, stat } from "node:fs/promises";
import { tmpdir } from "node:os";
import test from "node:test";
import { BridgeAlreadyRunningError } from "../src/bridge/instance-lock.js";
import {
	createRuntimePaths,
	startBridgeServer,
} from "../src/bridge/runtime.js";

test("creates a private runtime directory and enforces one live bridge", async () => {
	const runtimeDir = await mkdtemp(`${tmpdir()}/pi-status-bridge-runtime-`);
	const paths = await createRuntimePaths(runtimeDir);
	const runtimeStats = await stat(paths.directory);
	assert.equal(runtimeStats.mode & 0o777, 0o700);

	const bridge = await startBridgeServer({
		runtimeDir,
		handleRequest: async () => ({}),
	});
	try {
		await assert.rejects(
			startBridgeServer({ runtimeDir, handleRequest: async () => ({}) }),
			BridgeAlreadyRunningError,
		);
	} finally {
		await bridge.close();
	}
});