import { existsSync } from "node:fs";
import { get_setting } from "./SettingConfig";
import { getKysely } from "./db/kysely";

export async function connectDB() {
	const kysely = getKysely();

	let tries = 0;
	for (;;) {
		try {
			console.log("try to connect db");
			await kysely.selectNoFrom(eb=> eb.val(1).as("dummy")).execute();
			console.log("connect success");
		} catch (err) {
			if (tries < 3) {
				tries++;
				console.error(`connection fail ${err} retry...`);
				await new Promise((resolve) => setTimeout(resolve, 1000));
				continue;
			}
			throw err;
		}
		break;
	}
	return kysely;
}