package fields

// EmergencyPriorityStatus is the Emergency Priority Status definition
//
// Specified in Doc 9871 / Table B-2-97a
type EmergencyPriorityStatus byte

const (
	EPSNoEmergency          EmergencyPriorityStatus = iota // No emergency
	EPSGeneralEmergency                                    // General emergency
	EPSLifeguardMedical                                    // Lifeguard/medical emergency
	EPSMinimumFuel                                         // Minimum fuel
	EPSNoCommunication                                     // No communications
	EPSUnlawfulInterference                                // Unlawful interference
	EPSDownedAircraft                                      // Downed aircraft
	EPSReserved7                                           // Reserved
)

func ParseEmergencyPriorityStatus(data []byte) EmergencyPriorityStatus {
	return EmergencyPriorityStatus((data[1] & 0xE0) >> 5)
}