/*
 * clippr: a social bookmarking service for the AT Protocol
 * Copyright (c) 2025 clippr contributors.
 * SPDX-License-Identifier: AGPL-3.0-only
 */

import { drizzle } from "drizzle-orm/libsql";
import { Config } from "../config.js";
import Logger from "../logger.js";

const config = Config.getInstance().getConfig();
const dbname = config.database.name;

class DatabaseError extends Error {
	constructor(message: string) {
		super(message);
		this.name = "DatabaseError";
	}
}

export class Database {
	private static instance: Database;
	private readonly db;

	private constructor() {
		try {
			this.db = drizzle({ connection: { url: `${dbname}` } });
		} catch (e: unknown) {
			if (e instanceof Error) {
				throw new DatabaseError(e.message);
			} else throw new DatabaseError("Unknown error");
		}
	}

	static getInstance(): Database {
		if (!Database.instance) {
			try {
				Database.instance = new Database();
			} catch (e) {
				Logger.error(e);
				process.exit(1);
			}
		}
		return Database.instance;
	}

	getDb() {
		return this.db;
	}
}