import client from "./db-client.js";
import prompt from "prompt-sync";

const promptSync = prompt();

try {
	await client.connect();

	const departmentName = promptSync("Enter the name of the department: ").trim();

	if (!departmentName) {
		throw new Error("Department name cannot be empty.");
	}

	// Parameterized queries keep user input separate from SQL.
	const result = await client.query("INSERT INTO department (name) VALUES ($1) RETURNING id, name", [departmentName]);
	const newDepartment = result.rows[0];

	console.log(`New department created with ID ${newDepartment.id}: ${newDepartment.name}`);
} catch (error) {
	console.error(error.message);
	process.exitCode = 1;
} finally {
	await client.end();
}