syntax = "proto3";

package sync;

message ItemHashRepresentation {
  string uuid = 1;
  string user_uuid = 2;
  optional string content = 3;
  optional string content_type = 4;
  optional bool deleted = 5;
  optional string duplicate_of = 6;
  optional string auth_hash = 7;
  optional string enc_item_key = 8;
  optional string items_key_id = 9;
  optional string key_system_identifier = 10;
  optional string shared_vault_uuid = 11;
  optional string created_at = 12;
  optional uint64 created_at_timestamp = 13;
  optional string updated_at = 14;
  optional uint64 updated_at_timestamp = 15;
}


message ItemConflictRepresentation {
  optional ItemRepresentation server_item = 1;
  optional ItemHashRepresentation unsaved_item = 2;
  string type = 3;
}

message ItemRepresentation {
  string uuid = 1;
  optional string items_key_id = 2;
  optional string duplicate_of = 3;
  optional string enc_item_key = 4;
  optional string content = 5;
  string content_type = 6;
  optional string auth_hash = 7;
  bool deleted = 8;
  string created_at = 9;
  uint64 created_at_timestamp = 10;
  string updated_at = 11;
  uint64 updated_at_timestamp = 12;
  optional string updated_with_session = 13;
  optional string key_system_identifier = 14;
  optional string shared_vault_uuid = 15;
  optional string user_uuid = 16;
  optional string last_edited_by_uuid = 17;
}

message SavedItemRepresentation {
  string uuid = 1;
  optional string duplicate_of = 2;
  string content_type = 3;
  optional string auth_hash = 4;
  bool deleted = 5;
  string created_at = 6;
  uint64 created_at_timestamp = 7;
  string updated_at = 8;
  uint64 updated_at_timestamp = 9;
  optional string key_system_identifier = 10;
  optional string shared_vault_uuid = 11;
  optional string user_uuid = 12;
  optional string last_edited_by_uuid = 13;
}

message MessageRepresentation {
  string uuid = 1;
  string recipient_uuid = 2;
  string sender_uuid = 3;
  string encrypted_message = 4;
  optional string replaceability_identifier = 5;
  uint64 created_at_timestamp = 6;
  uint64 updated_at_timestamp = 7;
}

message SharedVaultRepresentation {
  string uuid = 1;
  string user_uuid = 2;
  uint32 file_upload_bytes_used = 3;
  uint64 created_at_timestamp = 4;
  uint64 updated_at_timestamp = 5;
}

message SharedVaultInviteRepresentation {
  string uuid = 1;
  string shared_vault_uuid = 2;
  string user_uuid = 3;
  string sender_uuid = 4;
  string encrypted_message = 5;
  string permission = 6;
  uint64 created_at_timestamp = 7;
  uint64 updated_at_timestamp = 8;
}

message NotificationRepresentation {
  string uuid = 1;
  string user_uuid = 2;
  string type = 3;
  string payload = 4;
  uint64 created_at_timestamp = 5;
  uint64 updated_at_timestamp = 6;
}

message ItemHash {
  string uuid = 1;
  optional string content = 2;
  optional string content_type = 3;
  optional bool deleted = 4;
  optional string duplicate_of = 5;
  optional string auth_hash = 6;
  optional string enc_item_key = 7;
  optional string items_key_id = 8;
  optional string key_system_identifier = 9;
  optional string shared_vault_uuid = 10;
  optional string created_at = 11;
  optional uint64 created_at_timestamp = 12;
  optional string updated_at = 13;
  optional uint64 updated_at_timestamp = 14;
}

message SyncResponse {
  repeated ItemRepresentation retrieved_items = 1;
  repeated SavedItemRepresentation saved_items = 2;
  repeated ItemConflictRepresentation conflicts = 3;
  string sync_token = 4;
  optional string cursor_token = 5;
  repeated MessageRepresentation messages = 6;
  repeated SharedVaultRepresentation shared_vaults = 7;
  repeated SharedVaultInviteRepresentation shared_vault_invites = 8;
  repeated NotificationRepresentation notifications = 9;
}

message SyncRequest {
  repeated ItemHash items = 1;
  repeated string shared_vault_uuids = 2;
  optional bool compute_integrity = 3;
  optional string sync_token = 4;
  optional string cursor_token = 5;
  optional uint32 limit = 6;
  optional string content_type = 7;
  optional string api_version = 8;
}

service Syncing {
  rpc syncItems(SyncRequest) returns (SyncResponse) {}
}