import grabDbSSL from "./backend/grabDbSSL";
import mariadb, { ConnectionConfig } from "mariadb";

type Params = {
    useLocal?: boolean;
    dbConfig?: ConnectionConfig;
    ssl?: boolean;
    connectionLimit?: number;
};

export default function setupDSQLDb({
    useLocal,
    dbConfig,
    ssl,
    connectionLimit = 100,
}: Params) {
    global.DSQL_USE_LOCAL = useLocal || true;

    const pool = mariadb.createPool({
        host: process.env.DSQL_DB_HOST,
        user: process.env.DSQL_DB_USERNAME,
        password: process.env.DSQL_DB_PASSWORD,
        database: process.env.DSQL_DB_NAME,
        charset: "utf8mb4",
        ...dbConfig,
        ssl: ssl ? grabDbSSL() : undefined,
        connectionLimit,
    });

    global.DSQL_DB_CONN = pool;

    // let readOnlyConnection;

    // if (addReadOnlyConn) {
    //     readOnlyConnection = mariadb.createPool({
    //         host: process.env.DSQL_DB_HOST,
    //         user: process.env.DSQL_DB_READ_ONLY_USERNAME,
    //         password: process.env.DSQL_DB_READ_ONLY_PASSWORD,
    //         database: process.env.DSQL_DB_NAME,
    //         charset: "utf8mb4",
    //         ...readOnlyDbConfig,
    //         ssl: ssl ? grabDbSSL() : undefined,
    //         connectionLimit,
    //     });

    //     global.DSQL_READ_ONLY_DB_CONN = readOnlyConnection;
    // }

    return {
        pool,
        // readOnlyConnection,
    };
}