/* tws_db.gsc — MariaDB pool + reachability probe. Fires db_probe_done. */

#include maps\_utility;
#include common_scripts\utility;

init()
{
    if (GetDvar(#"zombiemode") != "1")
        return;

    scripts\sp\tws_common::ensure_config();

    db_init();
}

// TODO: move creds to dvars before this repo goes public
db_init()
{
    level.db_online     = false;
    level.db_probe_done = false;

    cfg = spawnStruct();
    cfg.host     = "mariadb";
    cfg.user     = "josh";
    cfg.password = "joshster";
    cfg.port     = 3306;
    cfg.database = "tws_zm";

    mysql::set_config(cfg);

    level thread db_probe();
}

// set_config is silent on failure; only a real query surfaces the error
db_probe()
{
    q = mysql::query("SELECT 1 AS ok");
    q waittill("done", result, affected_rows, error);

    if (isDefined(error) && error != "")
        level.db_online = false;
    else
        level.db_online = true;

    level.db_probe_done = true;
    level notify("db_probe_done");
}