/*

   _____                                      _____                 __  _      __  
  / ___/___  ____  ____  ___  ____ ___  ____ / ___/___  ____  _____/ /_(_)____/ /__
  \__ \/ _ \/ __ \/_  / / _ \/ __ `__ \/ __ \\__ \/ _ \/ __ \/ ___/ __/ / ___/ //_/
 ___/ /  __/ / / / / /_/  __/ / / / / / /_/ /__/ /  __/ / / (__  ) /_/ / /__/ ,<   
/____/\___/_/ /_/ /___/\___/_/ /_/ /_/\____/____/\___/_/ /_/____/\__/_/\___/_/|_|  
                                                                                   
  Senstick SPM10 HW 1.0 - FW 1.0                             
*/


function decodeUplink(input) {
  const bytes = input.bytes; 
  const port = input.fPort; 
  
  var Status;
  var PulseCount;
  var BatteryLevel;

// Alarm 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 == 5)
    {
      PulseCount = ((bytes[0] << 24) +  (bytes[1] << 16) +  (bytes[2] << 8) +  bytes[3])>>>0;
      BatteryLevel = bytes[4];  
  
      return {
        data: {
          PulseCount: PulseCount,
          BatteryLevel: map(BatteryLevel, 0, 255, 800, 1800)
        },
        	warnings: [],
        	errors: []
      };
    }
    
    else if (bytes.length == 6)
    {
      Status = bytes[0];
      PulseCount = ((bytes[1] << 24) +  (bytes[2] << 16) +  (bytes[3] << 8) +  bytes[4])>>>0;
      BatteryLevel = bytes[5];  
  
      return {
        data: {
          Status: Status,
          PulseCount: PulseCount,
          BatteryLevel: map(BatteryLevel, 0, 255, 800, 1800)
        },
        	warnings: [],
        	errors: []
      }      
    }
  }
  
  // If Config packet
  else if ((port == 3) || (port == 4))
  {  
    Status = bytes[0];    
    var SendPeriod = bytes[1];
    var HeartbeatPeriod = bytes[2];    
    var PulseMultiplier = (bytes[3] << 8) + bytes[4];
    var CounterAlert = (bytes[5] << 8) + bytes[6];
    var MoveThr = bytes[7];
    var PacketConfirm = bytes[8];
    var DataRatePlusADR = bytes[9]; 
    var FamilyId = bytes[10];
    var ProductId = bytes[11];         
    var HW = bytes[12];
    var FW = bytes[13];       
    
    var ADRon = Boolean(DataRatePlusADR & (1 << 7));
    var DataRate = (DataRatePlusADR & 0x7F);
    
    return {
      data: {
        Status: Status,
        SendPeriod: SendPeriod,
        HeartbeatPeriod: HeartbeatPeriod,
        Resolution: PulseMultiplier, 
        LevelAlert: CounterAlert,
        MoveThr:MoveThr,
        PacketConfirm: PacketConfirm,
        DataRate: DataRate,
        ADRon: ADRon,
        FamilyId: FamilyId,
        ProductId: ProductId,    
        HW: HW/10,
        FW: FW/10
      },
      	warnings: [],
      	errors: []
    };
  }
}


function map(x, in_min, in_max, out_min, out_max){
  var temp = ((x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min); 
      temp = temp.toFixed();
  return (temp);
}