Gadgetbridge/app/src/main/proto/xiaomi.proto

syntax = "proto2"; // we must use proto2 to serialize default values on the wire

package xiaomi;

// FIXME: The generated class is very large, so Android Studio stops recognizing it
// set idea.max.intellisense.filesize=5000 in idea.properties
// by clicking Help -> Edit Custom Properties

option java_package = "nodomain.freeyourgadget.gadgetbridge.proto.xiaomi";
option java_outer_classname = "XiaomiProto";

message Command {
  required uint32 type = 1;
  optional uint32 subtype = 2;

  optional Auth auth = 3;
  optional System system = 4;
  optional Watchface watchface = 6;
  optional Health health = 10;
  optional Calendar calendar = 14;
  optional Music music = 20;
  optional Notification notification = 9;
  optional Weather weather = 12;
  optional Schedule schedule = 19;

  // command type 21
  optional Phonebook phonebook = 23;

  // type 22
  optional DataUpload dataUpload = 24;

  optional uint32 status = 100; // 0 on success on some
}

//
// Auth
//

message Auth {
  optional string userId = 7;
  optional uint32 status = 8;
  // 1, 26
  optional PhoneNonce phoneNonce = 30;
  optional WatchNonce watchNonce = 31;
  // 1, 27
  optional AuthStep3 authStep3 = 32;
  optional AuthStep4 authStep4 = 33;
}

message PhoneNonce {
  required bytes nonce = 1;
}

message WatchNonce {
  required bytes nonce = 1;
  required bytes hmac = 2;
}

message AuthStep3 {
  required bytes encryptedNonces = 1;
  required bytes encryptedDeviceInfo = 2;  // AuthDeviceInfo
}

message AuthStep4 {
  required uint32 unknown1 = 1;
  optional uint32 unknown2 = 2;
}

message AuthDeviceInfo {
  required uint32 unknown1 = 1; // 0 - needs to be serialized explicitly
  required float phoneApiLevel = 2;
  required string phoneName = 3; // phone model
  required uint32 unknown3 = 4; // 224
  required string region = 5; // 2-letter, upper case
}

//
// System
//

message System {
  // 2, 1
  optional Power power = 2;
  // 2, 2
  optional DeviceInfo deviceInfo = 3;
  // 2, 3
  optional Clock clock = 4;

  // 2, 18
  optional uint32 findDevice = 5; // 0

  // 2, 29 get | 2, 39 set
  optional DisplayItems displayItems = 10;

  // 2, 34
  optional DoNotDisturb dndStatus = 11;

  // 2, 39
  optional WorkoutTypes workoutTypes = 14;

  // 2, 5
  optional FirmwareInstallRequest firmwareInstallRequest = 16;
  optional FirmwareInstallResponse firmwareInstallResponse = 17;

  // 2, 9 get | 2, 21 set
  optional Password password = 19;

  // 2, 7 get | 2, 8 set
  optional Camera camera = 15;

  // 2, 6
  optional Language language = 20;

  // 2, 51 get | 2, 52 create
  optional WidgetScreens widgetScreens = 28;
  // 2, 53
  optional WidgetParts widgetParts = 29;

  // 2, 14
  optional MiscSettingGet miscSettingGet = 34;
  // 2, 15
  optional MiscSettingSet miscSettingSet = 35;

  // 2, 43
  optional PhoneSilentModeGet phoneSilentModeGet = 36;

  // 2, 44 returning to watch, 2, 45 setting from watch
  optional PhoneSilentModeSet phoneSilentModeSet = 37;

  // 2, 46
  optional VibrationPatterns vibrationPatterns = 38;

  // 2, 47
  optional VibrationNotificationType vibrationSetPreset = 39;

  // 2, 58
  optional CustomVibrationPattern vibrationPatternCreate = 40;

  // 2, 59
  optional VibrationTest vibrationTestCustom = 41;

  // 2, 47
  optional VibrationPatternAck vibrationPatternAck = 43;

  // 2, 78
  optional BasicDeviceState basicDeviceState = 48;

  // 2, 79
  optional DeviceState deviceState = 49;
}

message Power {
  optional Battery battery = 1;
}

message Battery {
  optional uint32 level = 1;
  optional uint32 state = 2;
  optional LastCharge lastCharge = 3;
}

message LastCharge {
  optional uint32 state = 1; // 2
  optional uint32 timestampSeconds = 2;
}

message DeviceInfo {
  required string serialNumber = 1;
  required string firmware = 2;
  optional string unknown3 = 3; // "" ?
  required string model = 4;
}

message Clock {
  required Date date = 1;
  required Time time = 2;
  required TimeZone timezone = 3;
  optional bool isNot24hour = 4;
}

message Date {
  required uint32 year = 1;
  required uint32 month = 2;
  required uint32 day = 3;
}

message Time {
  required uint32 hour = 1;
  required uint32 minute = 2;
  optional uint32 second = 3;
  optional uint32 millisecond = 4;
}

message TimeZone {
  // offsets are in blocks of 15 min
  optional sint32 zoneOffset = 1;
  optional sint32 dstOffset = 2;
  required string name = 3;
}

message DisplayItems {
  repeated DisplayItem displayItem = 1;
}

message DisplayItem {
  optional string code = 1;
  optional string name = 2;
  optional bool disabled = 3;
  optional uint32 isSettings = 4;
  optional uint32 unknown5 = 5; // 1
  optional bool inMoreSection = 6; // rarely used in official app
}

message Camera {
  required bool enabled = 1;
}

message Language {
  optional string code = 1; // pt_pt, en_us
}

message WorkoutTypes {
  repeated WorkoutType workoutType = 1;
  optional uint32 unknown2 = 2; // 1
}

message WorkoutType {
  optional uint32 type = 1;
  optional uint32 unknown2 = 2; // 1
}

message WidgetScreens {
  repeated WidgetScreen widgetScreen = 1;
  optional uint32 isFullList = 2; // 1 to overwrite the full list
  optional WidgetsCapabilities widgetsCapabilities = 3; // only in response
}

message WidgetsCapabilities {
  optional uint32 minWidgets = 1; // 1
  optional uint32 maxWidgets = 2; // 7
  optional uint32 unknown3 = 3; // 768
}

message WidgetScreen {
  optional uint32 id = 1; // starts at 1
  optional uint32 layout = 2; // 256 for split, 512 for tall
  repeated WidgetPart widgetPart = 3;
}

message WidgetParts {
  repeated WidgetPart widgetPart = 1;
}

message WidgetPart {
  optional uint32 type = 1; // 1 for small 1x1, 2 for wide 2x1, 3 for tall 1x2
  optional uint32 function = 2; // matches command type
  optional uint32 id = 3; // they all seem unique
  optional string title = 4; // not set on create
  optional uint32 subType = 5; // usually 0 if no subtype
  optional string appId = 6; // "" on get
  optional string unknown7 = 7; // "" on get
}

message DoNotDisturb {
  optional uint32 status = 1; // 0 enabled, 2 disabled
}

message MiscSettingGet {
  optional uint32 setting = 1; // 2 dndSync
}

message MiscSettingSet {
  optional MiscNotificationSettings miscNotificationSettings = 1;
  optional DndSync dndSync = 2;
  optional WearingMode wearingMode = 3;
}

message MiscNotificationSettings {
  optional uint32 wakeScreen = 1; // 0 ignore 1 enable 2 disable
  optional uint32 onlyWhenPhoneLocked = 2; // 0 ignore 1 enable 2 disable
}

message DndSync {
  optional uint32 enabled = 1; // 0/1
}

message WearingMode {
  // 0 Band Mode (wristband)
  // 1 Pebble Mode (show buckle)
  // 2 Necklace mode (neck strap)
  optional uint32 mode = 1;
}

message FirmwareInstallRequest {
  optional uint32 unknown1 = 1; // 0
  optional uint32 unknown2 = 2; // 0
  optional string version = 3;
  optional string md5 = 4;
}

message FirmwareInstallResponse {
  optional uint32 status = 1; // 0
}

message Password {
  optional uint32 state = 1; // 1 disabled, 2 enabled
  optional string password = 2;
  optional uint32 unknown3 = 3; // 0 when set on ret
}

message PhoneSilentModeGet {
  optional uint32 unknown1 = 1; // 1
}

message PhoneSilentModeSet {
  optional PhoneSilentMode phoneSilentMode = 1;
}

message PhoneSilentMode {
  optional bool silent = 1;
}

message VibrationPatterns {
  repeated VibrationNotificationType notificationType = 1;
  optional uint32 unknown2 = 2; // 50, max patterns?
  repeated CustomVibrationPattern customVibrationPattern = 3;
}

message CustomVibrationPattern {
  optional uint32 id = 1;
  optional string name = 2;
  repeated Vibration vibration = 3;
  optional uint32 unknown4 = 4; // 1 on creation
}

message VibrationNotificationType {
  // 1 incoming calls
  // 2 events // TODO confirm which one is events, which one is schedule
  // 3 alarms
  // 4 notifications
  // 5 standing reminder
  // 6 sms
  // 7 goal
  // 8 events // TODO confirm which one is events, which one is schedule
  optional uint32 notificationType = 1;
  optional uint32 preset = 2;
}

message VibrationTest {
  repeated Vibration vibration = 1;
}

message VibrationPatternAck {
  optional uint32 status = 1; // 0
}

message Vibration {
  optional uint32 vibrate = 1; // 0/1
  optional uint32 ms = 2;
}

message DeviceActivityState {
  optional uint32 activityType = 1;
  optional uint32 currentActivityState = 2;
}

message BasicDeviceState {
  required bool isCharging = 1; // true when connected to charger
  optional uint32 batteryLevel = 2;
  required bool isWorn = 3; // true when the device detects it's being worn
  required bool isUserAsleep = 4; // true when the device detected its user is asleep
  optional DeviceActivityState activityState = 5;
}

message DeviceState {
  optional uint32 chargingState = 1; // 1 charging, 2 not charging
  optional uint32 wearingState = 2; // 1 wearing, 2 not wearing
  optional uint32 sleepState = 3; // 1 sleep detected, 2 no sleep detected
  optional uint32 warningState = 4; // ?
  optional DeviceActivityState activityState = 5;
}

//
// Watchface
//

message Watchface {
  optional WatchfaceList watchfaceList = 1;

  // 4, 2 delete | 4, 1 set
  optional string watchfaceId = 2;
  optional uint32 ack = 4; // 1

  // 4, 4
  optional uint32 installStatus = 5; // 0 not installed, 2 already installed
  optional WatchfaceInstallStart watchfaceInstallStart = 6;
  optional WatchfaceInstallFinish watchfaceInstallFinish = 7;
}

message WatchfaceList {
  repeated WatchfaceInfo watchface = 1;
}

message WatchfaceInfo {
  optional string id = 1;
  optional string name = 2;
  optional bool active = 3;
  optional bool canDelete = 4;
  optional uint32 unknown5 = 5; // 0
  optional uint32 unknown6 = 6; // 0
  optional uint32 unknown11 = 11; // 0
}

message WatchfaceInstallStart {
  optional string id = 1;
  optional uint32 size = 2;
}

message WatchfaceInstallFinish {
  optional string id = 1;
  optional uint32 unknown2 = 2; // 2
  optional uint32 unknown3 = 3; // 0
  optional uint32 unknown4 = 4; // 0
}

//
// Health
//

message Health {
  optional UserInfo userInfo = 1;

  // 8, 2 get today | 8, 3 get past
  optional bytes activityRequestFileIds = 2;
  //
  optional bytes activitySyncAckFileIds = 3;
  optional ActivitySyncRequestToday activitySyncRequestToday = 5;

  optional SpO2 spo2 = 7;
  optional HeartRate heartRate = 8;
  // 8, 12 get | 8, 13 set
  optional StandingReminder standingReminder = 9;
  optional Stress stress = 10;
  optional GoalNotification goalNotification = 13;

  // 8, 35 get | 8, 36 set
  optional VitalityScore vitalityScore = 14;

  // 8, 26
  optional WorkoutStatusWatch workoutStatusWatch = 20;

  // 8, 30
  optional WorkoutOpenWatch workoutOpenWatch = 25;
  optional WorkoutOpenReply workoutOpenReply = 26;

  // 7, 43
  optional GoalsConfig goalsConfig = 38;

  // 7, 48
  optional WorkoutLocation workoutLocation = 40;

  // 8,45 enable | 8, 46 disable | 8, 47 periodic
  optional RealTimeStats realTimeStats = 39;
}

message UserInfo {
  optional uint32 height = 1; // cm
  optional float weight = 2; // kg
  optional uint32 birthday = 3; // YYYYMMDD
  optional uint32 gender = 4; // 1 male, 2 female
  optional uint32 maxHeartRate = 5;
  optional uint32 goalCalories = 6;
  optional uint32 goalSteps = 7;
  optional uint32 goalStanding = 9; // hours
  optional uint32 goalMoving = 11; // minutes
}

message ActivitySyncRequestToday {
  optional uint32 unknown1 = 1; // 0 most of the time, sometimes 1
}

message SpO2 {
  optional uint32 unknown1 = 1; // 1
  optional bool allDayTracking = 2;
  optional Spo2AlarmLow alarmLow = 4;
}

message Spo2AlarmLow {
  optional bool alarmLowEnabled = 1;
  optional uint32 alarmLowThreshold = 2; // 90, 85, 80
}

message HeartRate {
  optional bool disabled = 1; // 0 enabled 1 disabled
  optional uint32 interval = 2; // 0 smart 1 10 30
  optional bool alarmHighEnabled = 3;
  optional uint32 alarmHighThreshold = 4; // 100, 110, ... 150
  optional AdvancedMonitoring advancedMonitoring = 5;
  optional uint32 unknown7 = 7; // 1
  optional HeartRateAlarmLow heartRateAlarmLow = 8;
  optional uint32 breathingScore = 9; // 1 on, 2 off
}

message AdvancedMonitoring {
  required bool enabled = 1;
}

message HeartRateAlarmLow {
  optional bool alarmLowEnabled = 1;
  optional uint32 alarmLowThreshold = 2; // 40, 45, 50
}

message StandingReminder {
  optional bool enabled = 1;
  optional HourMinute start = 2;
  optional HourMinute end = 3;
  optional bool dnd = 4;
  optional HourMinute dndStart = 6;
  optional HourMinute dndEnd = 7;
}

message Stress {
  optional bool allDayTracking = 1;
  optional RelaxReminder relaxReminder = 2;
}

message GoalNotification {
  optional bool enabled = 1;
  optional uint32 unknown2 = 2; // 1
}

message RelaxReminder {
  optional bool enabled = 1;
  optional uint32 unknown2 = 2; // 0
}

message VitalityScore {
  optional bool sevenDay = 1;
  optional bool dailyProgress = 2;
}

message WorkoutStatusWatch {
  optional uint32 timestamp = 1; // seconds
  optional uint32 sport = 3;
  optional uint32 status = 4; // 0 started, 1 resumed, 2 paused, 3 finished
  optional bytes activityFileIds = 5;
  optional uint32 unknown6 = 6; // 2
  optional uint32 unknown10 = 10; // 0
}

message WorkoutOpenWatch {
  // This is only called when gps is needed?
  // 1 outdoor running, 2 walking, 3 hiking, 4 trekking, 5 trail run, 6 outdoor cycling
  optional uint32 sport = 1;
  optional uint32 unknown2 = 2; // 2
}

message WorkoutOpenReply {
  // 3 2 10 when no gps permissions at all
  // 5 2 10 when no all time gps permission
  // ...
  // 0 * * when phone gps is working fine
  // 0 2 10
  // 0 2 2
  optional uint32 unknown1 = 1;
  optional uint32 unknown2 = 2; // always 2?
  optional uint32 unknown3 = 3;
}

message GoalsConfig {
  repeated Goal currentGoals = 1;
  repeated Goal supportedGoals = 2;
}

message Goal {
  // 1 steps?
  // 2 calories?
  // 3 moving time
  // 4 standing time
  optional uint32 id = 1;
}

message WorkoutLocation {
  optional uint32 unknown1 = 1; // 10, sometimes 2?
  optional uint32 timestamp = 2; // seconds
  optional double longitude = 3;
  optional double latitude = 4;
  optional double altitude = 5;
  optional float speed = 6;
  optional float bearing = 7;
  optional float horizontalAccuracy = 8;
  optional float verticalAccuracy = 9;
}

message RealTimeStats {
  optional uint32 steps = 1;
  optional uint32 calories = 2;
  optional uint32 unknown3 = 3; // increases during activity
  optional uint32 heartRate = 4;
  optional uint32 unknown5 = 5; // 0 probably moving time
  optional uint32 standingHours = 6;
}

//
// Calendar
//

message Calendar {
  optional CalendarSync calendarSync = 2;
}

message CalendarSync {
  repeated CalendarEvent event = 1;
  optional bool disabled = 2;
}

message CalendarEvent {
  optional string title = 1;
  optional string description = 2;
  optional string location = 3;
  optional uint32 start = 4; // unix epoch sec
  optional uint32 end = 5; // unix epoch sec
  optional bool allDay = 6;
  optional uint32 notifyMinutesBefore = 7;
}

//
// Music
//

message Music {
  // 18, 1
  optional MusicInfo musicInfo = 1;
  // 18, 2
  optional MediaKey mediaKey = 2;
}

message MusicInfo {
  required uint32 state = 1; // 0 not playing, 1 playing, 2 paused
  optional uint32 volume = 2;
  optional string track = 4;
  optional string artist = 5;
  optional uint32 position = 6;
  optional uint32 duration = 7;
}

message MediaKey {
  required uint32 key = 1; // 0 play, 1 pause, 3 prev, 4 next, 5 vol
  optional uint32 volume = 2; // 100 vol+, 0 vol-
}

//
// Notification
//

message Notification {
  // 7, 8
  optional NotificationId openOnPhone = 2;
  optional Notification2 notification2 = 3;
  optional NotificationDismiss notificationDismiss = 4;

  optional bool screenOnOnNotifications = 7;
  optional uint32 unknown8 = 8; // 1 on canned replies request?
  // 7, 9 get | 7, 12 set
  optional CannedMessages cannedMessages = 9;

  // 7, 13
  optional NotificationReply notificationReply = 12;
  // 7, 14
  optional uint32 notificationReplyStatus = 13; // 0 on success, 1 on failure

  // 7, 15
  optional NotificationIconPackage notificationIconReply = 14;
  // 7, 15
  optional NotificationIconRequest notificationIconRequest = 15;
  // 7, 16
  optional NotificationIconPackage notificationIconQuery = 16;
}

message Notification2 {
  optional Notification3 notification3 = 1;
}

message Notification3 {
  optional string package = 1;
  optional string appName = 2;
  optional string title = 3;
  optional string unknown4 = 4;
  optional string body = 5;
  optional string timestamp = 6;
  optional uint32 id = 7;
  optional bool isCall = 8;
  optional bool repliesAllowed = 11; // only for calls?
  optional string key = 12; // "0|<package>|<id 2 complement>|null|12345"
  optional bool openOnPhone = 13; // 1 to show "Open on phone", needs key
}

message NotificationDismiss {
  repeated NotificationId notificationId = 1;
}

message NotificationId {
  optional uint32 id = 1;
  optional string package = 2; // truncated
  optional string key = 4; // sometimes ""
}

message CannedMessages {
  optional uint32 minReplies = 1;
  repeated string reply = 2;
  optional uint32 maxReplies = 3;
}

message NotificationIconRequest {
  optional uint32 unknown1 = 1; // 0 probably format
  optional uint32 unknown2 = 2; // 3 probably format
  optional uint32 size = 3;
}

message NotificationReply {
  optional uint32 unknown1 = 1; // 1
  optional string message = 2;
  optional uint32 unknown3 = 3; // 1
  optional string number = 4;
}

message NotificationIconPackage {
  optional string package = 1;
}

//
// Weather
//

message Weather {
  optional WeatherCurrent current = 1;
  optional WeatherDaily daily = 2;

  // 10, 6 request without payload?

  // 10, 5 set current | 10, 7 create | 10, 8 delete
  optional WeatherCurrentLocation currentLocation = 4;
  // 10, 7 create
  optional WeatherLocation create = 5;

  // 10, 10
  optional WeatherTemperatureUnit temperatureUnit = 6;
}

message WeatherCurrent {
  optional WeatherCurrentTimeLocation timeLocation = 1;
  optional uint32 weatherCondition = 2;
  optional WeatherCurrentTemperature temperature = 3;
  optional WeatherCurrentHumidity humidity= 4;
  optional WeatherCurrentWind wind = 5;
  optional WeatherCurrentUVIndex uv = 6;
  optional WeatherCurrentAQI AQI = 7;
  optional WeatherCurrentWarning warning = 8; // Seems to be an array?
  optional float pressure = 9;
}
message WeatherCurrentTimeLocation {
  optional string timestamp = 1;
  optional string unk2 = 2;
  optional string currentLocationString = 3;
  optional string currentLocationCode = 4;
  optional bool unk5 = 5; // default location?
}

message WeatherCurrentTemperature {
  optional string symbol = 1;
  optional sint32 degrees = 2;
}

message WeatherCurrentHumidity {
  optional string symbol = 1;
  optional sint32 humidity = 2;
}

message WeatherCurrentWind {
  optional string symbol = 1;
  optional sint32 wind = 2;
}

message WeatherCurrentUVIndex {
  optional string unk1 = 1;
  optional sint32 index = 2;
}

message WeatherCurrentAQI {
  optional string AQIText = 1;
  optional sint32 AQI = 2;
}

message WeatherCurrentWarning {
  repeated WeatherCurrentWarning1 currentWarning1 = 1;
}

message WeatherCurrentWarning1 {
  optional string currentWarningText = 1;
  optional string currentWarningSeverityText = 2;
  optional string currentWarningTitle = 3;
  optional string currentWarningDescription = 4;
  optional string unk5 = 5;
}

message WeatherCurrentLocation {
  optional WeatherLocation location = 1;
}

message WeatherDaily {
  required WeatherCurrentTimeLocation timeLocation = 1;
  required WeatherDailyList dailyList = 2;
}

message WeatherDailyList {
  repeated WeatherDailyForecastDay forecastDay = 1;
}

message WeatherDailyForecastDay {
  optional DailyAQI AQI = 1;
  optional DailyUnk2 unk2 = 2;
  optional DailyHighLowTemp highLowTemp = 3;
  optional string temperatureSymbol = 4;
  optional DailySunriseSunset sunriseSunset = 5;
}

message DailyAQI {
  optional string AQIText = 1;
  optional sint32 AQI = 2;
}

message DailyUnk2 {
  optional sint32 unk1 = 1;
  optional sint32 unk2 = 2;
}

message DailyHighLowTemp {
  optional sint32 low = 1;
  optional sint32 high = 2;
}

message DailySunriseSunset {
  optional string sunrise = 1;
  optional string sunset = 2;
}

message WeatherLocation {
  optional string code = 1;
  optional string name = 2;
}

message WeatherUnknown1 {
  optional float unknown12 = 12;
}

message WeatherTemperatureUnit {
  optional uint32 unit = 1; // 1 celsius 2 fahrenheit
}

//
// Schedule
//

message Schedule {
  // 17, 0 get
  optional Alarms alarms = 1;
  // 17, 1
  optional AlarmDetails createAlarm = 2;
  // 17, 3 -> returns 17, 5
  optional Alarm editAlarm = 3;

  optional uint32 ackId = 4; // id of created or edited alarm and reminder

  // 17, 4
  optional AlarmDelete deleteAlarm = 5;

  // 17, 8 get | 17, 9 set
  optional SleepMode sleepMode = 9;

  // 17, 14 get: 10 -> 2: 50 // max reminders?
  optional Reminders reminders = 10;

  // 17,10 get/ret | 17,11 create | 17,13 delete
  optional WorldClocks worldClocks = 11;

  optional uint32 worldClockStatus = 13; // 0 on edit and create

  // 17, 15
  optional ReminderDetails createReminder = 14;

  // 17, 17
  optional Reminder editReminder = 15;

  // 17, 18
  optional ReminderDelete deleteReminder = 17;
}

message Alarms {
  optional uint32 maxAlarms = 2; // 10
  optional uint32 unknown3 = 3; // 0
  optional uint32 unknown4 = 4; // 1
  repeated Alarm alarm = 1;
}

message Alarm {
  optional uint32 id = 1; // starts at 1
  optional AlarmDetails alarmDetails = 2;
}

message AlarmDetails {
  optional HourMinute time = 2;
  optional uint32 repeatMode = 3; // 0 once, 1 daily, 5 weekly
  optional uint32 repeatFlags = 4; // only if weekly: 31 during week, 1 monday, 2 tuesday, 3 mon tue
  optional bool enabled = 5;
  optional uint32 smart = 7; // 1 smart, 2 normal
}

message AlarmDelete {
  repeated uint32 id = 1;
}

message SleepMode {
  required bool enabled = 1;
  optional SleepModeSchedule schedule = 2;
}

message SleepModeSchedule {
  optional HourMinute start = 1;
  optional HourMinute end = 2;
  optional uint32 unknown3 = 3; // 0
}

message Reminders {
  repeated Reminder reminder = 1;
  optional uint32 maxReminders = 2;
}

message Reminder {
  optional uint32 id = 1;
  optional ReminderDetails reminderDetails = 2;
}

message ReminderDetails {
  optional Date date = 1;
  optional Time time = 2;
  optional uint32 repeatMode = 3; // 0 once, 1 daily, weekly (every monday), 7 monthly, 8 yearly
  optional uint32 repeatFlags = 4; // 64 for unset, day flags on weekly
  optional string title = 5;
}

message ReminderDelete {
  repeated uint32 id = 1;
}

message WorldClocks {
  repeated string worldClock = 1;
}

message HourMinute {
  required uint32 hour = 1;
  required uint32 minute = 2;
}

//
// Data Upload (watchface, notification icons, firmware)
//

message DataUpload {
  // 22, 0
  optional DataUploadRequest dataUploadRequest = 1;
  optional DataUploadAck dataUploadAck = 2;
}

message DataUploadRequest {
  optional uint32 type = 1; // 16 for watchface, 50 for notification icons, 32 for firmware?
  optional bytes md5sum = 2;
  optional uint32 size = 3;
}

message DataUploadAck {
  optional bytes md5sum = 1;
  optional uint32 unknown2 = 2; // 0
  optional uint32 resumePosition = 4;
  optional uint32 chunkSize = 5; // 4096 on Redmi Watch 3 Active, Nonexistent on Mi Band 8
}

message ContactInfo {
  optional string displayName = 1;
  optional string phoneNumber = 2;
}

message ContactList {
  repeated ContactInfo contactInfo = 1;
}

message Phonebook {
  optional string requestedPhoneNumber = 2;
  optional ContactInfo contactInfo = 3;
  optional ContactList contactList = 4;
}