function decodeUplink(input) {
        return { 
            data: Decode(input.fPort, input.bytes, input.variables)
        };   
}
function datalog(i,bytes){
  var aa=(bytes[0+i]&0x08)?"PART":"SUM";
  var bb=(bytes[0+i]&0x04)?"YES":"NO"; 
  var cc=(bytes[0+i]&0x02)?"TRUE":"FALSE"; 
  var dd=(bytes[0+i]&0x01)?"OPEN":"CLOSE";   
  var ee=(bytes[1+i]<<16 | bytes[2+i]<<8 | bytes[3+i]).toString(10);
  var ff=(bytes[4+i]<<16 | bytes[5+i]<<8 | bytes[6+i]).toString(10);
  var gg= getMyDate((bytes[7+i]<<24 | bytes[8+i]<<16 | bytes[9+i]<<8 | bytes[10+i]).toString(10));
  var string='['+aa+','+bb+','+cc+','+dd+','+ee+','+ff+','+gg+']'+',';  
  
  return string;
}

function getzf(c_num){ 
  if(parseInt(c_num) < 10)
    c_num = '0' + c_num; 

  return c_num; 
}

function getMyDate(str){ 
  var c_Date;
  if(str > 9999999999)
     c_Date = new Date(parseInt(str));
  else 
     c_Date = new Date(parseInt(str) * 1000);
  
  var c_Year = c_Date.getFullYear(), 
  c_Month = c_Date.getMonth()+1, 
  c_Day = c_Date.getDate(),
  c_Hour = c_Date.getHours(), 
  c_Min = c_Date.getMinutes(), 
  c_Sen = c_Date.getSeconds();
  var c_Time = c_Year +'-'+ getzf(c_Month) +'-'+ getzf(c_Day) +' '+ getzf(c_Hour) +':'+ getzf(c_Min) +':'+getzf(c_Sen); 
  
  return c_Time;
}

function Decode(fPort, bytes, variables) {
  if(fPort==0x03)
  {
    var pnack= ((bytes[0]>>7)&0x01) ? "True":"False";   
    for(var i=0;i<bytes.length;i=i+11)
    {
      var data= datalog(i,bytes);
      if(i=='0')
        data_sum=data;
      else
        data_sum+=data;
    }
    return{
	Node_type:"DS03A-LB",
    DATALOG:data_sum,
    PNACKMD:pnack,
    };
  }
  else if(fPort==0x04)
  {
    var tdc= bytes[0]<<16 | bytes[1]<<8 | bytes[2];
    var disalarm= bytes[3]&0x01;
    var keep_status1= bytes[4]&0x01;
    var keep_time1= bytes[5]<<8 | bytes[6];
    var keep_status2= bytes[7]&0x01;
    var keep_time2= bytes[8]<<8 | bytes[9];
    var alarm_tdc= bytes[10];
   
    return {
	Node_type:"DS03A-LB",
    TDC:tdc,
    DISALARM:disalarm,
    KEEP_STATUS1:keep_status1,
    KEEP_TIME1:keep_time1,
    KEEP_STATUS2:keep_status2,
    KEEP_TIME2:keep_time2,
    ALARM_TDC:alarm_tdc
    };
  }
  else if(fPort==0x05)
  {
    var sub_band;
    var freq_band;
    var sensor;
    
    if(bytes[0]==0x1B)
       sensor= "DS03A-LB";
      
    if(bytes[4]==0xff)
      sub_band="NULL";
    else
      sub_band=bytes[4];
    
    if(bytes[3]==0x01)
      freq_band="EU868";
    else if(bytes[3]==0x02)
      freq_band="US915";
    else if(bytes[3]==0x03)
      freq_band="IN865";
    else if(bytes[3]==0x04)
      freq_band="AU915";
    else if(bytes[3]==0x05)
      freq_band="KZ865";
    else if(bytes[3]==0x06)
      freq_band="RU864";
    else if(bytes[3]==0x07)
      freq_band="AS923";
    else if(bytes[3]==0x08)
      freq_band="AS923_1";
    else if(bytes[3]==0x09)
      freq_band="AS923_2";
    else if(bytes[3]==0x0A)
      freq_band="AS923_3";
    else if(bytes[3]==0x0B)
      freq_band="CN470";
    else if(bytes[3]==0x0C)
      freq_band="EU433";
    else if(bytes[3]==0x0D)
      freq_band="KR920";
    else if(bytes[3]==0x0E)
      freq_band="MA869";
      
    var firm_ver= (bytes[1]&0x0f)+'.'+(bytes[2]>>4&0x0f)+'.'+(bytes[2]&0x0f);
    var bat= (bytes[5]<<8 | bytes[6])/1000;
    
    return {
    SENSOR_MODEL:sensor,
    FIRMWARE_VERSION:firm_ver,
    FREQUENCY_BAND:freq_band,
    SUB_BAND:sub_band,
    BAT:bat,
    };
  }
  else
  { 
    var count_mod=(bytes[0]&0x08)?"PART":"SUM"; 
    var tdc_interval=(bytes[0]&0x04)?"YES":"NO";    
    var alarm1=(bytes[0]&0x02)?"TRUE":"FALSE"; 
    var door1_open_status=(bytes[0]&0x01)?"OPEN":"CLOSE";  
    var open1_times=bytes[1]<<16 | bytes[2]<<8 | bytes[3];
    var open1_duration=bytes[4]<<16 | bytes[5]<<8 | bytes[6];
    var alarm2=(bytes[11]&0x02)?"TRUE":"FALSE"; 
    var door2_open_status=(bytes[11]&0x01)?"OPEN":"CLOSE";  
    var open2_times=bytes[12]<<16 | bytes[13]<<8 | bytes[14];
    var open2_duration=bytes[15]<<16 | bytes[16]<<8 | bytes[17];    
    var data_time= getMyDate((bytes[7]<<24 | bytes[8]<<16 | bytes[9]<<8 | bytes[10]).toString(10));
    
    if(bytes.length==11)
    {
      return {
	  Node_type:"DS03A-LB",
      CMOD:count_mod,  
      TDC:tdc_interval,        
      ALARM:alarm1,
      DOOR_OPEN_STATUS:door1_open_status,
      DOOR_OPEN_TIMES:open1_times,
      LAST_DOOR_OPEN_DURATION:open1_duration,
      TIME:data_time
      };
    }
    else if(bytes.length==18)
    {
      return {
	  Node_type:"DS03A-LB",
      CMOD:count_mod,  
      TDC:tdc_interval,       
      ALARM1:alarm1,
      DOOR1_OPEN_STATUS:door1_open_status,
      DOOR1_OPEN_TIMES:open1_times,
      LAST_DOOR1_OPEN_DURATION:open1_duration,
      ALARM2:alarm2,
      DOOR2_OPEN_STATUS:door2_open_status,
      DOOR2_OPEN_TIMES:open2_times,
      LAST_DOOR2_OPEN_DURATION:open2_duration,      
      TIME:data_time
      };
    }    
  }
}