package fitparser

// Common message numbers
const (
	MesgNumFileId          = 0
	MesgNumCapabilities    = 1
	MesgNumDeviceSettings  = 2
	MesgNumUserProfile     = 3
	MesgNumHrmProfile      = 4
	MesgNumSdmProfile      = 5
	MesgNumBikeProfile     = 6
	MesgNumZonesTarget     = 7
	MesgNumHrZone          = 8
	MesgNumPowerZone       = 9
	MesgNumMetZone         = 10
	MesgNumSport           = 12
	MesgNumGoal            = 15
	MesgNumSession         = 18
	MesgNumLap             = 19
	MesgNumRecord          = 20
	MesgNumEvent           = 21
	MesgNumDeviceInfo      = 23
	MesgNumWorkout         = 26
	MesgNumWorkoutStep     = 27
	MesgNumSchedule        = 28
	MesgNumActivity        = 34
	MesgNumSoftware        = 35
	MesgNumFileCapabilities = 37
	MesgNumMesgCapabilities = 38
	MesgNumFieldCapabilities = 39
	MesgNumFileCreator     = 49
	MesgNumBloodPressure   = 51
	MesgNumSpeedZone       = 53
	MesgNumMonitoring      = 55
	MesgNumHrv             = 78
	MesgNumLength          = 101
	MesgNumMonitoringInfo  = 103
	MesgNumPad             = 105
	MesgNumSegmentLap      = 142
)

// Common field numbers for FileId message
const (
	FieldFileIdType         = 0
	FieldFileIdManufacturer = 1
	FieldFileIdProduct      = 2
	FieldFileIdSerialNumber = 3
	FieldFileIdTimeCreated  = 4
	FieldFileIdNumber       = 5
)

// Common field numbers for Record message
const (
	FieldRecordTimestamp            = 253
	FieldRecordPositionLat          = 0
	FieldRecordPositionLong         = 1
	FieldRecordAltitude             = 2
	FieldRecordHeartRate            = 3
	FieldRecordCadence              = 4
	FieldRecordDistance             = 5
	FieldRecordSpeed                = 6
	FieldRecordPower                = 7
	FieldRecordCompressedSpeedDistance = 8
	FieldRecordGrade                = 9
	FieldRecordResistance           = 10
	FieldRecordTimeFromCourse       = 11
	FieldRecordCycleLength          = 12
	FieldRecordTemperature          = 13
)

// Common field numbers for Lap message
const (
	FieldLapTimestamp       = 253
	FieldLapEvent           = 0
	FieldLapEventType       = 1
	FieldLapStartTime       = 2
	FieldLapStartPositionLat = 3
	FieldLapStartPositionLong = 4
	FieldLapEndPositionLat  = 5
	FieldLapEndPositionLong = 6
	FieldLapTotalElapsedTime = 7
	FieldLapTotalTimerTime  = 8
	FieldLapTotalDistance   = 9
	FieldLapTotalCycles     = 10
	FieldLapTotalCalories   = 11
	FieldLapTotalFatCalories = 12
	FieldLapAvgSpeed        = 13
	FieldLapMaxSpeed        = 14
	FieldLapAvgHeartRate    = 15
	FieldLapMaxHeartRate    = 16
	FieldLapAvgCadence      = 17
	FieldLapMaxCadence      = 18
	FieldLapAvgPower        = 19
	FieldLapMaxPower        = 20
)

// Common field numbers for Session message
const (
	FieldSessionTimestamp       = 253
	FieldSessionEvent           = 0
	FieldSessionEventType       = 1
	FieldSessionStartTime       = 2
	FieldSessionStartPositionLat = 3
	FieldSessionStartPositionLong = 4
	FieldSessionSport           = 5
	FieldSessionSubSport        = 6
	FieldSessionTotalElapsedTime = 7
	FieldSessionTotalTimerTime  = 8
	FieldSessionTotalDistance   = 9
	FieldSessionTotalCycles     = 10
	FieldSessionTotalCalories   = 11
	FieldSessionTotalFatCalories = 13
	FieldSessionAvgSpeed        = 14
	FieldSessionMaxSpeed        = 15
	FieldSessionAvgHeartRate    = 16
	FieldSessionMaxHeartRate    = 17
	FieldSessionAvgCadence      = 18
	FieldSessionMaxCadence      = 19
	FieldSessionAvgPower        = 20
	FieldSessionMaxPower        = 21
)

// Common field numbers for Activity message
const (
	FieldActivityTimestamp      = 253
	FieldActivityTotalTimerTime = 0
	FieldActivityNumSessions    = 1
	FieldActivityType           = 2
	FieldActivityEvent          = 3
	FieldActivityEventType      = 4
	FieldActivityLocalTimestamp = 5
	FieldActivityEventGroup     = 6
)

// File types
const (
	FileTypeDevice           = 1
	FileTypeSettings         = 2
	FileTypeSport            = 3
	FileTypeActivity         = 4
	FileTypeWorkout          = 5
	FileTypeCourse           = 6
	FileTypeSchedules        = 7
	FileTypeWeight           = 9
	FileTypeTotals           = 10
	FileTypeGoals            = 11
	FileTypeBloodPressure    = 14
	FileTypeMonitoringA      = 15
	FileTypeActivitySummary  = 20
	FileTypeMonitoringDaily  = 28
	FileTypeMonitoringB      = 32
	FileTypeSegment          = 34
	FileTypeSegmentList      = 35
)

// Sport types
const (
	SportGeneric       = 0
	SportRunning       = 1
	SportCycling       = 2
	SportTransition    = 3
	SportFitnessEquipment = 4
	SportSwimming      = 5
	SportBasketball    = 6
	SportSoccer        = 7
	SportTennis        = 8
	SportAmericanFootball = 9
	SportTraining      = 10
	SportWalking       = 11
	SportCrossCountrySkiing = 12
	SportAlpineSkiing  = 13
	SportSnowboarding  = 14
	SportRowing        = 15
	SportMountaineering = 16
	SportHiking        = 17
	SportMultisport    = 18
	SportPaddling      = 19
)

// GetMessageName returns a human-readable name for a message number
func GetMessageName(mesgNum uint16) string {
	switch mesgNum {
	case MesgNumFileId:
		return "FileId"
	case MesgNumCapabilities:
		return "Capabilities"
	case MesgNumDeviceSettings:
		return "DeviceSettings"
	case MesgNumUserProfile:
		return "UserProfile"
	case MesgNumHrmProfile:
		return "HrmProfile"
	case MesgNumSdmProfile:
		return "SdmProfile"
	case MesgNumBikeProfile:
		return "BikeProfile"
	case MesgNumZonesTarget:
		return "ZonesTarget"
	case MesgNumHrZone:
		return "HrZone"
	case MesgNumPowerZone:
		return "PowerZone"
	case MesgNumMetZone:
		return "MetZone"
	case MesgNumSport:
		return "Sport"
	case MesgNumGoal:
		return "Goal"
	case MesgNumSession:
		return "Session"
	case MesgNumLap:
		return "Lap"
	case MesgNumRecord:
		return "Record"
	case MesgNumEvent:
		return "Event"
	case MesgNumDeviceInfo:
		return "DeviceInfo"
	case MesgNumActivity:
		return "Activity"
	case MesgNumSoftware:
		return "Software"
	case MesgNumFileCapabilities:
		return "FileCapabilities"
	case MesgNumMesgCapabilities:
		return "MesgCapabilities"
	case MesgNumFieldCapabilities:
		return "FieldCapabilities"
	case MesgNumFileCreator:
		return "FileCreator"
	case MesgNumBloodPressure:
		return "BloodPressure"
	case MesgNumSpeedZone:
		return "SpeedZone"
	case MesgNumMonitoring:
		return "Monitoring"
	case MesgNumHrv:
		return "Hrv"
	case MesgNumLength:
		return "Length"
	case MesgNumMonitoringInfo:
		return "MonitoringInfo"
	case MesgNumPad:
		return "Pad"
	case MesgNumSegmentLap:
		return "SegmentLap"
	default:
		return "Unknown"
	}
}

// GetFileTypeName returns a human-readable name for a file type
func GetFileTypeName(fileType uint8) string {
	switch fileType {
	case FileTypeDevice:
		return "Device"
	case FileTypeSettings:
		return "Settings"
	case FileTypeSport:
		return "Sport"
	case FileTypeActivity:
		return "Activity"
	case FileTypeWorkout:
		return "Workout"
	case FileTypeCourse:
		return "Course"
	case FileTypeSchedules:
		return "Schedules"
	case FileTypeWeight:
		return "Weight"
	case FileTypeTotals:
		return "Totals"
	case FileTypeGoals:
		return "Goals"
	case FileTypeBloodPressure:
		return "BloodPressure"
	case FileTypeMonitoringA:
		return "MonitoringA"
	case FileTypeActivitySummary:
		return "ActivitySummary"
	case FileTypeMonitoringDaily:
		return "MonitoringDaily"
	case FileTypeMonitoringB:
		return "MonitoringB"
	case FileTypeSegment:
		return "Segment"
	case FileTypeSegmentList:
		return "SegmentList"
	default:
		return "Unknown"
	}
}

// GetSportName returns a human-readable name for a sport type
func GetSportName(sport uint8) string {
	switch sport {
	case SportGeneric:
		return "Generic"
	case SportRunning:
		return "Running"
	case SportCycling:
		return "Cycling"
	case SportTransition:
		return "Transition"
	case SportFitnessEquipment:
		return "FitnessEquipment"
	case SportSwimming:
		return "Swimming"
	case SportBasketball:
		return "Basketball"
	case SportSoccer:
		return "Soccer"
	case SportTennis:
		return "Tennis"
	case SportAmericanFootball:
		return "AmericanFootball"
	case SportTraining:
		return "Training"
	case SportWalking:
		return "Walking"
	case SportCrossCountrySkiing:
		return "CrossCountrySkiing"
	case SportAlpineSkiing:
		return "AlpineSkiing"
	case SportSnowboarding:
		return "Snowboarding"
	case SportRowing:
		return "Rowing"
	case SportMountaineering:
		return "Mountaineering"
	case SportHiking:
		return "Hiking"
	case SportMultisport:
		return "Multisport"
	case SportPaddling:
		return "Paddling"
	default:
		return "Unknown"
	}
}

// ConvertSemicirclesToDegrees converts a position in semicircles to degrees
// FIT files store lat/long as semicircles (2^31 semicircles = 180 degrees)
func ConvertSemicirclesToDegrees(semicircles int32) float64 {
	return float64(semicircles) * (180.0 / 2147483648.0)
}