package util;

import config.Config;
import haxe.Md5;

class Auth {

    public static function isAuth():Bool {
        var c = neko.Web.getCookies();
        if (c.exists("hx_a") && c.exists("hx_u")) {
            var user = db.User.manager.get(Std.parseInt(c.get("hx_u")));
            if (user == null)
                return false;
            if (Auth.buildHash(user.name,user.password) == c.get("hx_a")) {
                var t = getCookieTime();
                neko.Web.setCookie("hx_u", Std.string(user.id), t, Config.config.cookie.domain, Config.config.cookie.path);
                neko.Web.setCookie("hx_a", buildHash(user.name,user.password), t, Config.config.cookie.domain, Config.config.cookie.path);
                return true;
            }
        }
        return false;
    }

    public static inline function getUser():db.User
        return db.User.manager.get(Std.parseInt(neko.Web.getCookies().get("hx_u")))

    private static inline function buildHash(name:String,password:String)
        return Md5.encode(Config.config.cookie.salt+name+Md5.encode(password))

    private static inline function getCookieTime()
        return Date.fromTime((Date.now().getTime())+60*1000*Config.config.cookie.time)

    public static function login(name:String,password:String) {
        var u = db.User.manager.search({name:name}).first();
        if (u.password == Md5.encode(password)) {
            var t = getCookieTime();
            neko.Web.setCookie("hx_u", Std.string(u.id), t, Config.config.cookie.domain, Config.config.cookie.path);
            neko.Web.setCookie("hx_a", buildHash(u.name,u.password), t, Config.config.cookie.domain, Config.config.cookie.path);
            return true;
        }
        return false;
    }

    public static function logout() {
        neko.Web.setCookie("hx_u","", Date.now(), Config.config.cookie.domain, Config.config.cookie.path);
        neko.Web.setCookie("hx_a","", Date.now(), Config.config.cookie.domain, Config.config.cookie.path);
        return true;
    }


}