syntax = "proto3";

package communities.v1;

import "communities/v1/enums.proto";

message StickerMessage {
  string hash = 1;
  int32 pack = 2;
}

message ImageMessage {
  bytes payload = 1;
  ImageType type = 2;
}

message AudioMessage {
  bytes payload = 1;
  AudioType type = 2;
  uint64 duration_ms = 3;
  enum AudioType {
    AUDIO_TYPE_UNKNOWN_UNSPECIFIED = 0;
    AUDIO_TYPE_AAC = 1;
    AUDIO_TYPE_AMR = 2;
  }
}

message EditMessage {
  uint64 clock = 1;
  // Text of the message
  string text = 2;

  string chat_id = 3;
  string message_id = 4;

  // Grant for community edit messages
  bytes grant = 5;

  // The type of message (public/one-to-one/private-group-chat)
  MessageType message_type = 6;
}

message DeleteMessage {
  uint64 clock = 1;

  string chat_id = 2;
  string message_id = 3;

  // Grant for community delete messages
  bytes grant = 4;

  // The type of message (public/one-to-one/private-group-chat)
  MessageType message_type = 5;
}


message ChatMessage {
  // Lamport timestamp of the chat message
  uint64 clock = 1;
  // Unix timestamps in milliseconds, currently not used as we use whisper as more reliable, but here
  // so that we don't rely on it
  uint64 timestamp = 2;
  // Text of the message
  string text = 3;
  // Id of the message that we are replying to
  string response_to = 4;
  // Ens name of the sender
  string ens_name = 5;
  // Chat id, this field is symmetric for public-chats and private group chats,
  // but asymmetric in case of one-to-ones, as the sender will use the chat-id
  // of the received, while the receiver will use the chat-id of the sender.
  // Probably should be the concatenation of sender-pk & receiver-pk in alphabetical order
  string chat_id = 6;

  // The type of message (public/one-to-one/private-group-chat)
  MessageType message_type = 7;
  // The type of the content of the message
  ContentType content_type = 8;

  oneof payload {
    StickerMessage sticker = 9;
    ImageMessage image = 10;
    AudioMessage audio = 11;
    bytes community = 12;
  }

  // Grant for community chat messages
  optional bytes grant = 13;

  enum ContentType {
    CONTENT_TYPE_UNKNOWN_UNSPECIFIED = 0;
    CONTENT_TYPE_TEXT_PLAIN = 1;
    CONTENT_TYPE_STICKER = 2;
    CONTENT_TYPE_STATUS = 3;
    CONTENT_TYPE_EMOJI = 4;
    CONTENT_TYPE_TRANSACTION_COMMAND = 5;
    // Only local
    CONTENT_TYPE_SYSTEM_MESSAGE_CONTENT_PRIVATE_GROUP = 6;
    CONTENT_TYPE_IMAGE = 7;
    CONTENT_TYPE_AUDIO = 8;
    CONTENT_TYPE_COMMUNITY = 9;
    // Only local
    CONTENT_TYPE_SYSTEM_MESSAGE_GAP = 10;
  }
}