const fs = require("node:fs");
const path = require("node:path");

const dataDir = path.resolve("data");
const source = path.join(dataDir, "leistungsbilanz.db");

if (!fs.existsSync(source)) {
  console.error(`Database file not found: ${source}`);
  process.exit(1);
}

const backupDir = path.join(dataDir, "backups");
fs.mkdirSync(backupDir, { recursive: true });

const timestamp = new Date().toISOString().replace(/[:.]/g, "-");
const target = path.join(backupDir, `leistungsbilanz-${timestamp}.db`);
fs.copyFileSync(source, target);

console.log(`Backup created: ${target}`);