/**
 * Database connection and initialization.
 */

import { existsSync, mkdirSync } from "node:fs";
import { dirname, join } from "node:path";
import Database from "better-sqlite3";
import { drizzle } from "drizzle-orm/better-sqlite3";
import { getDataDir } from "../config/dataDir";
// Apply schema migrations before any query runs (same DB path as below).
import "./migrate";
import * as schema from "./schema";

// Database path - can be overridden via env for Docker
const DB_PATH = join(getDataDir(), "jobs.db");

// Ensure data directory exists
const dataDir = dirname(DB_PATH);
if (!existsSync(dataDir)) {
  mkdirSync(dataDir, { recursive: true });
}

const sqlite = new Database(DB_PATH);
sqlite.pragma("journal_mode = WAL");
let isClosed = false;

export const db = drizzle(sqlite, { schema });

export { schema };

export function closeDb() {
  if (isClosed) return;
  sqlite.close();
  isClosed = true;
}