package art.servers.fleetserver.radio.sepura;

import art.library.model.devices.vehicle.VehiclePosition;
import art.servers.fleetserver.Shared;


public class MOD_10_1147 
{

    
    /**
     * MOD-10-1147. 7.4.1 Proprietary Format Minimal Compact Full Location Report  
     * Provides time within the current hour, position, and position uncertainty.
     */
    

    public static VehiclePosition proprietaryFormatMinimalCompactFullLocationReport(String data) throws Exception
    {
        try
        {
          BinaryStreamASCII stream = new BinaryStreamASCII(data);

          int protocoloIdentifier = (int)stream.readLong(8);
          int gpsCodingScheme = (int)stream.readLong(8);

          if ((protocoloIdentifier == 0x03) && (gpsCodingScheme == 0x80))
          {
              int gpsTimeWithinHour = (int)stream.readLong(12);
              long latitude = stream.readLong(24);
              long longitude = stream.readLong(24);
              int locationUncertanly = (int)stream.readLong(4);
              int additionLocationInformation = (int)stream.readLong(1);

              VehiclePosition position = new VehiclePosition();
              position.timestamp = System.currentTimeMillis();
              position.latitude = ((double)latitude * 180.0) / Math.pow(2.0,24.0);
              position.longitude = ((double)longitude * 360.0) / Math.pow(2.0,24.0);

              switch (locationUncertanly)
              {
                  case 0: position.accuracy = 1; break;
                  case 1: position.accuracy = 2; break;
                  case 2: position.accuracy = 4; break;
                  case 3: position.accuracy = 10; break;
                  case 4: position.accuracy = 22; break;
                  case 5: position.accuracy = 50; break;  
                  case 6: position.accuracy = 103; break;  
                  case 7: position.accuracy = 224; break;  
                  case 8: position.accuracy = 484; break;  
                  case 9: position.accuracy = 1049; break;  
                  case 10: position.accuracy = 2272; break; 
                  case 11: position.accuracy = 4921; break;  
                  case 12: position.accuracy = 10658; break;  
                  case 13: position.accuracy = 23085; break; 
                  case 14: position.accuracy = 50000; break;  
                  case 15: position.accuracy = 0; break;  
                  default :  position.accuracy = 0; break;
              }

              return position;
          }
          
          throw new Exception(Shared.configuration.getMessage("Analysing error"));
          
        }
        catch (Exception e)
        {
            String message = Shared.configuration.getMessage("Proprietary format minimal compact full location report");
            message = message + ", " + e.getMessage();
            throw new Exception(message);
        }

    }
    
}