"use strict";
/**
 * ABE Database Connection
 * Singleton SQLite connection using better-sqlite3.
 * Runs migrations on first access.
 */
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDb = getDb;
exports.setDb = setDb;
exports.closeDb = closeDb;
const better_sqlite3_1 = __importDefault(require("better-sqlite3"));
const path_1 = __importDefault(require("path"));
const fs_1 = __importDefault(require("fs"));
const migrations_1 = require("./migrations");
let _db = null;
function getDb() {
    if (_db)
        return _db;
    const dbPath = process.env['ABE_DB_PATH'] ?? path_1.default.join(process.cwd(), 'data', 'abe.db');
    const dir = path_1.default.dirname(dbPath);
    if (!fs_1.default.existsSync(dir)) {
        fs_1.default.mkdirSync(dir, { recursive: true });
    }
    _db = new better_sqlite3_1.default(dbPath);
    _db.pragma('journal_mode = WAL');
    _db.pragma('foreign_keys = ON');
    (0, migrations_1.runMigrations)(_db);
    return _db;
}
/** For testing — inject a custom (in-memory) database instance. */
function setDb(db) {
    _db = db;
}
/** Close and reset. Used in tests. */
function closeDb() {
    if (_db) {
        _db.close();
        _db = null;
    }
}