syntax = "proto3";

package signal.backup;

option java_package = "org.thoughtcrime.securesms.backup.v2.proto";

message BackupInfo {
  uint64 version = 1;
  uint64 backupTime = 2;
}

message Frame {
  oneof item {
    AccountData account = 1;
    Recipient recipient = 2;
    Chat chat = 3;
    ChatItem chatItem = 4;
    Call call = 5;
    StickerPack stickerPack = 6;
  }
}

message AccountData {
  enum PhoneNumberSharingMode {
    UNKNOWN = 0;
    EVERYBODY = 1;
    NOBODY = 2;
  }
  message UsernameLink {
    enum Color {
      UNKNOWN = 0;
      BLUE = 1;
      WHITE = 2;
      GREY = 3;
      OLIVE = 4;
      GREEN = 5;
      ORANGE = 6;
      PINK = 7;
      PURPLE = 8;
    }

    bytes entropy = 1;  // 32 bytes of entropy used for encryption
    bytes serverId = 2; // 16 bytes of encoded UUID provided by the server
    Color color = 3;
  }

  message AccountSettings {
    bool noteToSelfArchived = 1;
    bool readReceipts = 2;
    bool sealedSenderIndicators = 3;
    bool typingIndicators = 4;
    bool proxiedLinkPreviews = 5;
    bool noteToSelfMarkedUnread = 6;
    bool linkPreviews = 7;
    bool unlistedPhoneNumber = 8;
    bool preferContactAvatars = 9;
    uint32 universalExpireTimer = 10;
    repeated string preferredReactionEmoji = 11;
    bool displayBadgesOnProfile = 12;
    bool keepMutedChatsArchived = 13;
    bool hasSetMyStoriesPrivacy = 14;
    bool hasViewedOnboardingStory = 15;
    bool storiesDisabled = 16;
    optional bool storyViewReceiptsEnabled = 17;
    bool hasReadOnboardingStory = 18;
    bool hasSeenGroupStoryEducationSheet = 19;
    bool hasCompletedUsernameOnboarding = 20;
    PhoneNumberSharingMode phoneNumberSharingMode = 21;
  }

  bytes aciIdentityPublicKey = 1;
  bytes aciIdentityPrivateKey = 2;
  bytes pniIdentityPublicKey = 3;
  bytes pniIdentityPrivateKey = 4;
  bytes profileKey = 5;
  optional string username = 6;
  UsernameLink usernameLink = 7;
  string givenName = 8;
  string familyName = 9;
  string avatarUrlPath = 10;
  bytes subscriberId = 11;
  string subscriberCurrencyCode = 12;
  bool subscriptionManuallyCancelled = 13;
  AccountSettings accountSettings = 14;
  bytes aci = 15;
  bytes pni = 16;
  uint64 e164 = 17;
}

message Recipient {
  uint64 id = 1; // generated id for reference only within this file
  oneof destination {
    Contact contact = 2;
    Group group = 3;
    DistributionList distributionList = 4;
    Self self = 5;
  }
}

message Contact {
  optional bytes aci = 1; // should be 16 bytes
  optional bytes pni = 2; // should be 16 bytes
  optional string username = 3;
  optional uint64 e164 = 4;
  bool blocked = 5;
  bool hidden = 6;
  enum Registered {
    UNKNOWN = 0;
    REGISTERED = 1;
    NOT_REGISTERED = 2;
  }
  Registered registered = 7;
  uint64 unregisteredTimestamp = 8;
  optional bytes profileKey = 9;
  bool profileSharing = 10;
  optional string profileGivenName = 11;
  optional string profileFamilyName = 12;
  optional string profileJoinedName = 13;
  bool hideStory = 14;
}

message Group {
  enum StorySendMode {
    DEFAULT = 0;
    DISABLED = 1;
    ENABLED = 2;
  }

  bytes masterKey = 1;
  bool whitelisted = 2;
  bool hideStory = 3;
  StorySendMode storySendMode = 4;
}

message Self {}

message Chat {
  uint64 id = 1; // generated id for reference only within this file
  uint64 recipientId = 2;
  bool archived = 3;
  bool pinned = 4;
  uint64 expirationTimer = 5;
  uint64 muteUntil = 6;
  bool markedUnread = 7;
  bool dontNotifyForMentionsIfMuted = 8;
}

message DistributionList {
  string name = 1;
  bytes distributionId = 2; // distribution list ids are uuids
  bool allowReplies = 3;
  uint64 deletionTimestamp = 4;
  bool isUnknown = 5;
  enum PrivacyMode {
    ONLY_WITH = 0;
    ALL_EXCEPT = 1;
    ALL = 2;
  }
  PrivacyMode privacyMode = 6;
  repeated uint64 memberRecipientIds = 7; // generated recipient id
}

message Identity {
  bytes serviceId = 1;
  bytes identityKey = 2;
  uint64 timestamp = 3;
  bool firstUse = 4;
  bool verified = 5;
  bool nonblockingApproval = 6;
}

message Call {
  uint64 callId = 1;
  uint64 peerRecipientId = 2;
  enum Type {
    AUDIO_CALL = 0;
    VIDEO_CALL = 1;
    GROUP_CALL = 2;
    AD_HOC_CALL = 3;
  }
  Type type = 3;
  bool outgoing = 4;
  uint64 timestamp = 5;
  uint64 ringerRecipientId = 6;
  enum Event {
    OUTGOING = 0; // 1:1 calls only
    ACCEPTED = 1; // 1:1 and group calls. Group calls: You accepted a ring.
    NOT_ACCEPTED = 2; // 1:1 calls only,
    MISSED = 3; // 1:1 and group/ad-hoc calls. Group calls: The remote ring has expired or was cancelled by the ringer.
    DELETE = 4; // 1:1 and Group/Ad-Hoc Calls.
    GENERIC_GROUP_CALL = 5; // Group/Ad-Hoc Calls only. Initial state
    JOINED = 6; // Group Calls: User has joined the group call.
    RINGING = 7; // Group Calls: If a ring was requested by another user.
    DECLINED = 8; // Group Calls: If you declined a ring.
    OUTGOING_RING = 9; // Group Calls: If you are ringing a group.
  }
  Event event = 7;
}

message ChatItem {
  message IncomingMessageDetails {
    uint64 dateServerSent = 1;
    bool read = 2;
    bool sealedSender = 3;
  }

  message OutgoingMessageDetails {
    repeated SendStatus sendStatus = 1;
  }

  uint64 chatId = 1;   // conversation id
  uint64 authorId = 2; // recipient id
  uint64 dateSent = 3;
  uint64 dateReceived = 4;
  optional uint64 expireStart = 5; // timestamp of when expiration timer started ticking down
  optional uint64 expiresIn = 6; // how long timer of message is (ms)
  repeated ChatItem revisions = 7;
  bool sms = 8;

  oneof directionalDetails {
    IncomingMessageDetails incoming = 9;
    OutgoingMessageDetails outgoing = 10;
  }

  oneof item {
    StandardMessage standardMessage = 11;
    ContactMessage contactMessage = 12;
    VoiceMessage voiceMessage = 13;
    StickerMessage stickerMessage = 14;
    RemoteDeletedMessage remoteDeletedMessage = 15;
    UpdateMessage updateMessage = 16;
  }
}

message SendStatus {
  enum Status {
    FAILED = 0;
    PENDING = 1;
    SENT = 2;
    DELIVERED = 3;
    READ = 4;
    VIEWED = 5;
    SKIPPED = 6; // e.g. user in group was blocked, so we skipped sending to them
  }
  uint64 recipientId = 1;
  Status deliveryStatus = 2;
  bool networkFailure = 3;
  bool identityKeyMismatch = 4;
  bool sealedSender = 5;
  uint64 timestamp = 6;
}

message Text {
  string body = 1;
  repeated BodyRange bodyRanges = 2;
}

message StandardMessage {
  optional Quote quote = 1;
  optional Text text = 2;
  repeated AttachmentPointer attachments = 3;
  optional LinkPreview linkPreview = 4;
  optional AttachmentPointer longText = 5;
  repeated Reaction reactions = 6;
}

message ContactMessage {
  repeated ContactAttachment contact = 1;
  repeated Reaction reactions = 2;
}

message ContactAttachment {
  message Name {
    optional string givenName = 1;
    optional string familyName = 2;
    optional string prefix = 3;
    optional string suffix = 4;
    optional string middleName = 5;
    optional string displayName = 6;
  }

  message Phone {
    enum Type {
      HOME = 0;
      MOBILE = 1;
      WORK = 2;
      CUSTOM = 3;
    }

    optional string value = 1;
    optional Type type = 2;
    optional string label = 3;
  }

  message Email {
    enum Type {
      HOME = 0;
      MOBILE = 1;
      WORK = 2;
      CUSTOM = 3;
    }

    optional string value = 1;
    optional Type type = 2;
    optional string label = 3;
  }

  message PostalAddress {
    enum Type {
      HOME = 0;
      WORK = 1;
      CUSTOM = 2;
    }

    optional Type type = 1;
    optional string label = 2;
    optional string street = 3;
    optional string pobox = 4;
    optional string neighborhood = 5;
    optional string city = 6;
    optional string region = 7;
    optional string postcode = 8;
    optional string country = 9;
  }

  message Avatar {
    optional AttachmentPointer avatar = 1;
    optional bool isProfile = 2;
  }

  optional Name name = 1;
  repeated Phone number = 3;
  repeated Email email = 4;
  repeated PostalAddress address = 5;
  optional Avatar avatar = 6;
  optional string organization = 7;
}

message DocumentMessage {
  Text text = 1;
  AttachmentPointer document = 2;
  repeated Reaction reactions = 3;
}

message VoiceMessage {
  optional Quote quote = 1;
  AttachmentPointer audio = 2;
  repeated Reaction reactions = 3;
}

message StickerMessage {
  Sticker sticker = 1;
  repeated Reaction reactions = 2;
}

// Tombstone for remote delete
message RemoteDeletedMessage {}

message ScheduledMessage {
  ChatItem message = 1;
  uint64 scheduledTime = 2;
}

message Sticker {
  bytes packId = 1;
  bytes packKey = 2;
  uint32 stickerId = 3;
  optional string emoji = 4;
}

message LinkPreview {
  string url = 1;
  optional string title = 2;
  optional AttachmentPointer image = 3;
  optional string description = 4;
  optional uint64 date = 5;
}

message AttachmentPointer {
  enum Flags {
    VOICE_MESSAGE = 0;
    BORDERLESS = 1;
    GIF = 2;
  }

  oneof attachmentIdentifier {
    fixed64 cdnId = 1;
    string cdnKey = 2;
  }

  optional string contentType = 3;
  optional bytes key = 4;
  optional uint32 size = 5;
  optional bytes digest = 6;
  optional bytes incrementalMac = 7;
  optional bytes incrementalMacChunkSize = 8;
  optional string fileName = 9;
  optional uint32 flags = 10;
  optional uint32 width = 11;
  optional uint32 height = 12;
  optional string caption = 13;
  optional string blurHash = 14;
  optional uint64 uploadTimestamp = 15;
  optional uint32 cdnNumber = 16;
}

message Quote {
  enum Type {
    UNKNOWN = 0;
    NORMAL = 1;
    GIFTBADGE = 2;
  }

  message QuotedAttachment {
    optional string contentType = 1;
    optional string fileName = 2;
    optional AttachmentPointer thumbnail = 3;
  }

  uint64 targetSentTimestamp = 1;
  uint64 authorId = 2;
  optional string text = 3;
  repeated QuotedAttachment attachments = 4;
  repeated BodyRange bodyRanges = 5;
  Type type = 6;
  bool originalMessageMissing = 7;
}

message BodyRange {
  enum Style {
    NONE = 0;
    BOLD = 1;
    ITALIC = 2;
    SPOILER = 3;
    STRIKETHROUGH = 4;
    MONOSPACE = 5;
  }

  optional uint32 start = 1;
  optional uint32 length = 2;

  oneof associatedValue {
    string mentionAci = 3;
    Style style = 4;
  }
}

message Reaction {
  string emoji = 1;
  uint64 authorId = 2;
  uint64 sentTimestamp = 3;
  uint64 receivedTimestamp = 4;
}

message UpdateMessage {
  oneof update {
    SimpleUpdate simpleUpdate = 1;
    GroupDescriptionUpdate groupDescription = 2;
    ExpirationTimerChange expirationTimerChange = 3;
    ProfileChange profileChange = 4;
    ThreadMergeEvent threadMerge = 5;
    SessionSwitchoverEvent sessionSwitchover = 6;
    CallingMessage callingMessage = 7;
  }
}

message CallingMessage {
  oneof call {
    uint64 callId = 1; // maps to id of Call from call log
    CallMessage callMessage = 2;
    GroupCallMessage groupCall = 3;
  }
}

message CallMessage {
  enum Type {
    INCOMING_AUDIO_CALL = 0;
    INCOMING_VIDEO_CALL = 1;
    OUTGOING_AUDIO_CALL = 2;
    OUTGOING_VIDEO_CALL = 3;
    MISSED_AUDIO_CALL = 4;
    MISSED_VIDEO_CALL = 5;
  }
}

message GroupCallMessage {
  bytes startedCallUuid = 1;
  uint64 startedCallTimestamp = 2;
  repeated bytes inCallUuids = 3;
  bool isCallFull = 4;
}

message SimpleUpdate {
  enum Type {
    JOINED_SIGNAL = 0;
    IDENTITY_UPDATE = 1;
    IDENTITY_VERIFIED = 2;
    IDENTITY_DEFAULT = 3; // marking as unverified
    CHANGE_NUMBER = 4;
    BOOST_REQUEST = 5;
    END_SESSION = 6;
    CHAT_SESSION_REFRESH = 7;
    BAD_DECRYPT = 8;
    PAYMENTS_ACTIVATED = 9;
    PAYMENT_ACTIVATION_REQUEST = 10;
  }
}

message GroupDescriptionUpdate {
  string body = 1;
}

message ExpirationTimerChange {
  uint32 expiresIn = 1;
}

message ProfileChange {
  string previousName = 1;
  string newName = 2;
}

message ThreadMergeEvent {
  uint64 previousE164 = 1;
}

message SessionSwitchoverEvent {
  uint64 e164 = 1;
}

message StickerPack {
  bytes id = 1;
  bytes key = 2;
  string title = 3;
  string author = 4;
  repeated StickerPackSticker stickers = 5; // First one should be cover sticker.
}

message StickerPackSticker {
  AttachmentPointer data = 1;
  string emoji = 2;
}