import { getConfig } from "../common/config.js";

export async function logout(req, res, next) {
    const strategy = req.session.authStrategy ?`${req.session.authStrategy}` : null;
    req.logout(function (err) {
        if (err) { return next(err); }
        req.session.destroy(function (err) {
            if (err) { return next(err); }
            if (strategy) {
                const config = getConfig();
                const strategyConfig = config.authModules[strategy];
                if (strategyConfig && strategyConfig.logoutURL) {
                    res.redirect(strategyConfig.logoutURL);    
                } else {
                    res.redirect('/');
                }
            } else {
                res.redirect('/');
            }
        });
    });
}