syntax = "proto3";

package ig.direct;

import "common.proto";

// Direct message protocol - Specific implementation for DMs

message DirectInboxMessageContent {
  string text = 1;
  repeated ig.common.MediaAttachment media = 2;
  repeated ig.common.Link links = 3;
}

message DirectInboxMessage {
  string id = 1;
  int64 user_id = 2;
  int64 timestamp = 3;
  
  string item_type = 4; // text, media_share, animated_media, etc
  DirectInboxMessageContent content = 5;
  
  map<string, string> reactions = 6;
  
  bool is_sent = 7;
  bool is_delivered = 8;
  bool is_seen = 9;
  
  int32 is_forward = 10;
  int32 forwarded_from_id = 11;
}

message DirectInboxThread {
  int64 thread_id = 1;
  repeated int64 user_ids = 2;
  
  string thread_title = 3;
  int64 last_activity_at = 4;
  
  DirectInboxMessage last_message = 5;
  
  int32 unfollowers_count = 6;
  int32 thread_v2_id = 7;
  
  bool is_pin = 8;
  bool is_muted = 9;
  bool is_archived = 10;
  bool has_newer = 11;
}

message DirectInbox {
  repeated DirectInboxThread threads = 1;
  string cursor = 2;
  bool has_older = 3;
}

message DirectSync {
  int64 seq_id = 1;
  int64 timestamp = 2;
  
  repeated DirectInboxMessage messages = 3;
  repeated DirectInboxThread threads = 4;
  
  map<string, int64> seq_ids = 5; // per-thread seq tracking
}