"use strict";

const SessionManager = (function(){

    const SessionManager = function(judge_pole){

        const self = this;
        let current_user = null;

        // Comprueba si existe al menos un usuario con contraseña registrada
        this.is_auth_required = () => {
            const users = judge_pole.db.get_data().users || [];
            return users.some(u => u.password && u.password.trim().length > 0);
        };

        // Si no hay usuarios con contraseña, cualquiera es admin por defecto
        this.is_admin = () => {
            if(!self.is_auth_required()) return true;
            return current_user !== null;
        };

        this.get_user = () => current_user;

        this.login = (nick, password) => {
            const users = judge_pole.db.get_data().users || [];
            const user = users.find(u => 
                u.nick.trim().toLowerCase() === nick.trim().toLowerCase() && 
                u.password === password
            );

            if(user){
                current_user = user;
                return true;
            }
            return false;
        };

        this.logout = () => {
            current_user = null;
        };

    };

    return SessionManager;
})();