import { ConnectionConfig } from "mariadb";
import grabDbSSL from "./backend/grabDbSSL";
import { DsqlConnectionParam } from "../types";
import grabDbNames from "./grab-db-names";

/**
 * # Grab General CONNECTION for DSQL
 */
export default function grabDSQLConnectionConfig(
    param?: DsqlConnectionParam
): ConnectionConfig {
    const CONN_TIMEOUT = 10000;

    const dbNames = param?.noDb
        ? undefined
        : grabDbNames({ dbName: param?.database });

    const config: ConnectionConfig = {
        host: process.env.DSQL_DB_HOST,
        user: process.env.DSQL_DB_USERNAME,
        password: process.env.DSQL_DB_PASSWORD,
        database: dbNames?.dbFullName,
        port: process.env.DSQL_DB_PORT
            ? Number(process.env.DSQL_DB_PORT)
            : undefined,
        charset: "utf8mb4",
        ssl: grabDbSSL(),
        bigIntAsNumber: true,
        supportBigNumbers: true,
        bigNumberStrings: false,
        dateStrings: true,
        metaAsArray: true,
        socketTimeout: CONN_TIMEOUT,
        connectTimeout: CONN_TIMEOUT,
        compress: true,
        ...param?.config,
    };

    return config;
}