import debugLog from "./logging/debug-log";
import mariaDBlocalQuery from "./mariadb-local-query";
import sleep from "./sleep";

let checkDbRetries = 0;
const MAX_CHECK_DB_RETRIES = 10;
const DEFAULT_SLEEP_TIME = 3000;

type Params = {
    maxRetries?: number;
    sleepTime?: number;
};

export default async function dockerTestDbConnection(params?: Params) {
    const maxRetries = params?.maxRetries || MAX_CHECK_DB_RETRIES;
    const sleepTime = params?.sleepTime || DEFAULT_SLEEP_TIME;

    while (true) {
        if (checkDbRetries > maxRetries) {
            debugLog({
                log: `Max Retries for checking Database. Exiting ...`,
                addTime: true,
                label: "MaxRetries",
            });
            process.exit(1);
        }

        const checkDb = mariaDBlocalQuery(`SHOW DATABASES`);

        const isDbReady =
            typeof checkDb == "string" &&
            Boolean(checkDb.match(/\ninformation_schema\n/));

        if (isDbReady) {
            break;
        } else {
            checkDbRetries++;
            await sleep(sleepTime);
        }
    }
}