# -*- coding: utf-8 -*-
TIMES = 20
function = 'change'

def remake_reload_script(timeout):
    return SCRIPT('''
        var jelement = $("#change");
        var element = jelement.get(0);
        var statement = "jQuery('#change').get(0).reload();";
        element.timeout = %s000;
        clearInterval(element.timing); // stop
        element.timing = setInterval(statement, %s000); // start
        ''' % (timeout, timeout))

def change():
    
    r = CAT(
            'example by icreator@mail.ru',
            SCRIPT("""
               if ( ! $('#change').is(':visible')) {
                    $('#change').animate({ height: 'show' }, 1000);
                }
                """)
        )
    
    upd_is = session.UPD_IS
    if upd_is < 3:
        timeout = 5
    elif upd_is < 6:
        timeout = 20
    else:
        timeout = 100
    
    upd_is += 1
    session.UPD_IS = upd_is
    r += remake_reload_script(timeout)
    if upd_is < TIMES:
        content = CAT(
                  T('Auto-updating each %s sec') % timeout, ', ',
                  T('times left'), ': ', TIMES - upd_is)
    else:
        content = CAT(T('Auto-updating is stoped. For start auto-updating please reload the page.'))

    r += DIV(content)
    if upd_is > 1: r += DIV( request.args(0))
    if upd_is > 2: r += DIV( request.vars.get('v'))
    if upd_is > 3: r += DIV( T('it is very slow now'))
    
    return r

def index():
    r = CAT()
    r += DIV('LOAD with changed interval')
    session.UPD_IS = 0
    controller = 'interval'
    r += LOAD(controller, function, args=['hello'], vars={'v':'WORLD'}, ajax=True,
                times = TIMES, timeout=1000,
                target=function,
                _style='display:none;',
                _class='container',
            )
    return dict(r=r)