/*

   _____                                      _____                 __  _      __  
  / ___/___  ____  ____  ___  ____ ___  ____ / ___/___  ____  _____/ /_(_)____/ /__
  \__ \/ _ \/ __ \/_  / / _ \/ __ `__ \/ __ \\__ \/ _ \/ __ \/ ___/ __/ / ___/ //_/
 ___/ /  __/ / / / / /_/  __/ / / / / / /_/ /__/ /  __/ / / (__  ) /_/ / /__/ ,<   
/____/\___/_/ /_/ /___/\___/_/ /_/ /_/\____/____/\___/_/ /_/____/\__/_/\___/_/|_|  
                                                                                   
  Senstick STF30 HW 3.0 - FW 2.0                             
*/


function decodeUplink(input) {
  const bytes = input.bytes; 
  const port = input.fPort; 
  
  var Status;
  var VBAT;
  var P_TEMP;
  var P_VOLT;
  var NTC_RES;
  var VDDA;

  // Alert packet
  if (port == 1)
  {
    if (bytes.length == 1)
    {
      Status = bytes[0];
  
      return {
        data: {
          Status: Status
        },
        	warnings: [],
        	errors: []
      };
    }    
  }

  // Data Packet
  else if (port == 2)
  {
    if (bytes.length == 12)
    {
      P_TEMP = (bytes[0] << 8) + bytes[1];
      P_VOLT = (bytes[2] << 8) + bytes[3]; 
      NTC_RES = (bytes[4] << 24) + (bytes[5] << 16) + (bytes[6] << 8) + bytes[7]; 
      VDDA = (bytes[8] << 24) + (bytes[9] << 16) + (bytes[10] << 8) + (bytes[11]); 
  
      return {
        data: {
          P_TEMP: sintToDec(P_TEMP),
          P_VOLT: P_VOLT,
          NTC_RES: NTC_RES,
          VDDA: VDDA
        },
        	warnings: [],
        	errors: []
      }      
    }
    
    else if (bytes.length == 15)
    {
      Status = bytes[0];
      VBAT = (bytes[1] << 8) + bytes[2];
      P_TEMP = (bytes[3] << 8) + bytes[4];
      P_VOLT = (bytes[5] << 8) + bytes[6]; 
      NTC_RES = (bytes[7] << 24) + (bytes[8] << 16) + (bytes[9] << 8) + bytes[10]; 
      VDDA = (bytes[11] << 24) + (bytes[12] << 16) + (bytes[13] << 8) + bytes[14] ;
  
      return {
        data: {
          Status: Status,
          VBAT: VBAT,
          P_TEMP: sintToDec(P_TEMP),
          P_VOLT: P_VOLT,
          NTC_RES: NTC_RES,
          VDDA: VDDA
        },
        	warnings: [],
        	errors: []
      }   ;   
    }
  }
      
  
  // Config packet
  else if (port == 3)
  {  
    Status = bytes[0];    
    var SendPeriod = bytes[1];
    var MovementThreshold = bytes[2];
    var PacketConfirm = bytes[3];
    var DataRatePlusADR = bytes[4]; 
    var FamilyId = bytes[5];
    var ProductId = bytes[6];         
    var HW = bytes[7];
    var FW = bytes[8];     
    
    var ADRon = Boolean(DataRatePlusADR & (1 << 7));
    var DataRate = (DataRatePlusADR & 0x7F);
    
    return {
      data: {
        Status: Status,
        SendPeriod: SendPeriod,
        MovementThreshold: MovementThreshold, 
        PacketConfirm: PacketConfirm,
        DataRate: DataRate,
        ADRon: ADRon,
        FamilyId: FamilyId,
        ProductId: ProductId,    
        HW: HW/10,
        FW: FW/10
      },
      	warnings: [],
      	errors: []
    };
  }
}


function sintToDec(T){
  if (T > 32767) {
    return ((T - 65536) / 100.0);
  }
  else {
    return (T / 100.0);
  }
}