import { UserType } from "../types";
import grabDbFullName from "./grab-db-full-name";

type Param = {
    /**
     * Database full name or slug
     */
    dbName?: string;
    userId?: string | number;
    user?: UserType | null;
    nullable?: boolean;
};

/**
 * # Grab full database name
 * @description Grab full database name from slug or full name
 * @param param0
 * @returns
 */
export default function grabDbNames(params?: Param) {
    const dbNamePrefix = process.env.DSQL_USER_DB_PREFIX;
    const finalUserId = params?.user?.id || params?.userId;
    const userDbPrefix = finalUserId ? `${dbNamePrefix}${finalUserId}_` : ``;

    const finalDbName =
        params?.dbName || process.env.DSQL_DB_NAME || process.env.DSQL_DB_SLUG;

    const dbSlug = finalDbName?.replace(userDbPrefix, "");

    if (!dbSlug) throw new Error(`No Db Name Provided!`);

    const dbFullName = grabDbFullName({
        dbName: dbSlug,
        user: params?.user,
        userId: params?.userId,
    });

    if (!dbFullName) throw new Error(`Couldn't grab DB full name!`);

    return {
        userDbPrefix,
        dbFullName,
        dbNamePrefix,
        dbSlug,
    };
}