/**
 * @Smoker  script
 * @Copyright : PGST Technologies Ltd.
 * @All Rights  Reserved
 * @Copyright (c) 2022, PGST Technologies Ltd. 
 * @Designed Milo lu
 */
 var COMMAND_POST = 0x01       // Attribute Report

 var THING_PROP_POST_METHOD = 'thing.property.post'
 
 /**
  * @Profile Uplink conversion
  * 
  * 01 01 xx xx xx xx xx  n1 n2 n3 ...n20   m1 m2 m3 ... m15 crc
  * |  |  |  |  |  |  |   |           |    |             |   |__________crc
  * |  |  |  |  |  |  |   |           |    |_____________|______________IMEI number code
  * |  |  |  |  |  |  |   |___________|_________________________________ICCID number code
  * |  |  |  |  |  |  |_________________________________________________smoker percentage
  * |  |  |  |  |  |____________________________________________________battery voltage
  * |  |  |  |  |_______________________________________________________smoke sensor state
  * |  |  |  |__________________________________________________________Rssi value
  * |  |  |_____________________________________________________________battery percent
  * |  |________________________________________________________________msgID
  * |___________________________________________________________________command ID
  */
 function rawDataToJson (rawData) 
 {
   var uint8Array = new Uint8Array(rawData.length)
   var iccidArry = []
   var imeiArry = []
   var i
   //            0 1 2 3 4 5 6 7 8 9 10  11   12  13 14  15  16  17  18  19  20  21   22  23  24  25  26  27  28  29  30  31  32  33  34  35  36
   var NUM_CODE=[0,1,2,3,4,5,6,7,8,9,'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','*']
   var crc = 0
   for (i = 0; i < rawData.length; i++) 
   {
     uint8Array[i] = rawData[i] & 0xff
     if(i < (rawData.length-1))
     {
       crc = (crc + uint8Array[i]) & 0xff
     }
   }
 
   var dataView = new DataView(uint8Array.buffer, 0)
 
   var jsonMap = { 'version': '1.0' }
 
   var fHead = uint8Array[0] // command
 
   if (fHead===COMMAND_POST && crc==uint8Array[rawData.length-1])
   {
     jsonMap['method'] = THING_PROP_POST_METHOD
     jsonMap['id'] = '' + dataView.getInt8(1)
     var k = 0
     var int2char
     if(rawData.length==43)
     {
      for (i = 0; i < 20; i++)
      {
        int2char = dataView.getInt8(7+k)
        if(int2char>=48&&int2char<=57)
        {
          int2char-=48
        }
        else if(int2char>=65&&int2char<=90)
        {
          int2char-=55
        }
        else if(int2char>=97&&int2char<=122)
        {
          int2char-=87
        }
        else
        {
          int2char=36
        }
        iccidArry[i] = NUM_CODE[int2char]
        k++
      }
      for (i = 0; i < 15; i++)
      {
        int2char = dataView.getInt8(7+k)
        if(int2char>=48&&int2char<=57)
        {
          int2char-=48
        }
        else if(int2char>=65&&int2char<=90)
        {
          int2char-=55
        }
        else if(int2char>=97&&int2char<=122)
        {
          int2char-=87
        }
        else
        {
          int2char=36
        }
        imeiArry[i] = NUM_CODE[int2char]
        k++
      }
      jsonMap['params'] = 
      {
          'BatteryPercentage': 
          {
            'value': dataView.getInt8(2)
          },
          'RSSI': 
          {
            'value': dataView.getInt8(3)
          },
          'SmokeSensorState': 
          {
            'value': dataView.getInt8(4)
          },
          'batteryVoltage':
          {
            'value':dataView.getInt8(5)/10
          },
          'levSmokerPercentage':
          {
            'value':dataView.getInt8(6)
          },
          'ICCID': 
          {
            'value': iccidArry.join("")
          },
          'IMEI': 
          {
            'value': imeiArry.join("")
          },
      }
    }
    else if(rawData.length==8)
    {
      jsonMap['params'] = 
      {
          'BatteryPercentage': 
          {
            'value': dataView.getInt8(2)
          },
          'RSSI': 
          {
            'value': dataView.getInt8(3)
          },
          'SmokeSensorState': 
          {
            'value': dataView.getInt8(4)
          },
          'batteryVoltage':
          {
            'value':dataView.getInt8(5)/10
          },
          'levSmokerPercentage':
          {
            'value':dataView.getInt8(6)
          },
      }
    }
   }
   return jsonMap
 }
 
 
 /**
  * @Profile downlink conversion
  */
  function jsonToRawData(jsonObj){
   var rawData = [];
   return rawData;
 }