var form_login_show_message=((mesg=null)=>{
    let obj_div_mesg = document.getElementById('div-sign-message');
    if( mesg==null ){
        mesg = 'user id/email or password doesn\'t matched';
    }
    obj_div_mesg.innerHTML = mesg;
    obj_div_mesg.classList.add('log-page-alert');
    setTimeout(()=>{
        obj_div_mesg.innerHTML = ' ';
        obj_div_mesg.classList.remove('log-page-alert');
    },5000);
});

var form_login_submit=(()=>{
    let base_url = atob( document.querySelector("meta[name='uweb']").getAttribute('content') );
    let input_userid = document.getElementById( 'userid' ).value;
    let input_passwd = document.getElementById( 'passwd' ).value;
    let init_data = {
        'userid': input_userid,
        'passwd': input_passwd
    }
    ajax_post({
        url: base_url + '/sign',
        data: init_data,
    }).done((o)=>{
        console.log(o);
        if( o.status ){
            window.location = '/main';
        } else {
            form_login_show_message('Invalid user id and/or password');
        }
    })
});

$(document).ready(()=>{
    let object_userid  = document.getElementById('userid');
    let object_passwd  = document.getElementById('passwd');
    let btn_log_submit = document.getElementById('button-login-submit');
    object_userid.focus();
    object_userid.addEventListener('keyup',(ch)=>{ if(ch.keyCode==13){ object_passwd.focus();  } });
    object_passwd.addEventListener('keyup',(ch)=>{ if(ch.keyCode==13){ btn_log_submit.focus(); form_login_submit(); } });
    btn_log_submit.addEventListener('click',()=>{ form_login_submit(); });
});