/*
 * This program is copyright © 2014 Cezary Jackiewicz and is distributed under the terms of the GNU GPL
 * version 2.0 with a special clarification/exception that permits adapting the program to
 * configure proprietary "back end" software provided that all modifications to the web interface
 * itself remain covered by the GPL.
 * See [url]http://gargoyle-router.com/faq.html#qfoss[/url] for more information
 */

usbrelayS = new Object();

var flaga = "1"

function createEnabledCheckbox()
{
    enabledCheckbox = createInput('checkbox');
        return enabledCheckbox;
}

function createEnabledTextbox()
{
    enabledTextbox = createInput('textbox');
    enabledTextbox.size = "1";
    return enabledTextbox;
}

function getCookie(name){
  var str = '; '+ document.cookie +';';
  var index = str.indexOf('; '+ escape(name) +'=');
  if (index != -1) {
    index += name.length+3;
    var value = str.slice(index, str.indexOf(';', index));
    return unescape(value);
  }
}

function setCookie(nazwa, wartosc, dni) {
    if (dni) {
        var data = new Date();
        data.setTime(data.getTime()+(dni*24*60*60*1000));           
        var expires = "; expires="+data.toGMTString();
    } else {
        var expires = "";
    }
    document.cookie = nazwa+"=" + wartosc + expires + "; path=/";
}

function chboxcookie(node)
{
    var row = node.parentNode.parentNode.firstChild.firstChild.data
    var pulscheck = document.getElementById("push" + row);
    setCookie("checkps" + row, pulscheck.checked, "7")
}

function tboxcookie(node)
{
    var row = node.parentNode.parentNode.firstChild.firstChild.data
    var timeset = document.getElementById("times" + row);
    setCookie("textps" + row, timeset.value, "7")
}


function resetData()
{
    var columnNames = usbrelayS.Columns;
    var usbrelayTableData = new Array();
    var serviceIds = new Array();

    if (ports.length == 0)
    {
        document.getElementById("no_usbrelay").style.display = "block";
        return;
    }

    for (idx=0; idx<ports.length; idx++)
    {

        var img = document.createElement("img");
        img.style.cssText= "margin-top:5px;";

         var enabledCheckbox = createEnabledCheckbox();
        enabledCheckbox.id = "push" + ports[idx][0]

        if (getCookie("checkps" + ports[idx][0]) == "true") { enabledCheckbox.checked = true }

         var enabledTextbox = createEnabledTextbox();
        enabledTextbox.id = "times" + ports[idx][0]

        if (getCookie("textps" + ports[idx][0]) != null)
        {
        enabledTextbox.value = getCookie("textps" + ports[idx][0]);
        }
       if (ports[idx][1] == "on")
        {

            img.src = "img/green-power-button.png";
            img.onclick = function(){offRelay(this);}
            
        } else {

            img.src = "img/red-power-button.png";
            img.onclick = function(){onRelay(this);}
        }

        enabledCheckbox.onchange = function(){chboxcookie(this);}
        enabledTextbox.onchange = function(){tboxcookie(this);}

        var tmp = uciOriginal.get("usbrelay", "desc", ''+ports[idx][0])
        if (tmp == "") { tmp = "..."; }
        var anchor = document.createElement("a");
        anchor.href="usbrelay_schedule.sh?port=" + ports[idx][0];
        anchor.innerHTML = tmp;
        anchor.style.css = "a{text-decoration:none}";

        usbrelayTableData.push([ports[idx][0], anchor, img, enabledCheckbox, enabledTextbox]);
    }
    var usbrelayTable = createTable(columnNames, usbrelayTableData, "usbrelay_table", false, false);
    var tableContainer = document.getElementById('usbrelay_table_container');
    if (tableContainer.firstChild != null)
    {
        tableContainer.removeChild(tableContainer.firstChild);
    }
    tableContainer.appendChild(usbrelayTable);
}

function onRelay(node)
{
    onoffRelay(node.parentNode.parentNode, "on");
}

function offRelay(node)
{
    onoffRelay(node.parentNode.parentNode, "off");
}

function onoffRelay(row, action)
{
    var port = row.firstChild.firstChild.data;
    var czass = document.getElementById("times" + port).value;
   var pulscheck = document.getElementById("push" + port);
    var cmds = [ "/usr/lib/gargoyle/usbrelay.sh " + action + " " + port, "/usr/lib/gargoyle/usbrelay.sh status" ];
    var param = getParameterDefinition("commands", cmds.join("\n")) + "&" + getParameterDefinition("hash", document.cookie.replace(/^.*hash=/,"").replace(/[\t ;]+.*$/, ""));

    var stateChangeFunction = function(req)
    {
        if(req.readyState == 4)
        {
            var lines = req.responseText.split(/[\r\n]+/);
            ports.length = 0;
            for (idx=0; idx < lines.length; idx++)
            {
                if (lines[idx].match(/:o/))
                {
                    stat=lines[idx].split(":");
                    ports.push([ stat[0], stat[1] ]);
                }
            }
                if (pulscheck.checked)
                {
                    if (flaga == "1")
                    {
                        if (action == "on")
                        {
                        action = "off"
                        } else {
                        action = "on"
                        }
                    resetData();

                    flaga = "0"
                    window.setTimeout( function() { onoffRelay(row, action); }, czass + "000");
                    } else {
                    flaga = "1"
                    }
                }

            resetData();
            setControlsEnabled(true);
        }
    }
    runAjax("POST", "utility/run_commands.sh", param, stateChangeFunction);
}

logread:
 Mar 11 09:13:12 bhb_sat kern.err kernel: [ 3193.430000] ftdi_sio ttyUSB0: urb failed to clear flow control

dmesg:
[ 3257.440000] ftdi_sio ttyUSB0: ftdi_set_termios FAILED to set databits/stopbits/parity
[ 3258.440000] ftdi_sio ttyUSB0: ftdi_set_termios urb failed to set baudrate
[ 3268.440000] ftdi_sio ttyUSB0: urb failed to clear flow control
[ 3278.440000] ftdi_sio ttyUSB0: urb failed to clear flow control