syntax = "proto3";
package workspace;

service Workspace {
	rpc Join          (JoinRequest)         returns (stream WorkspaceEvent);
	rpc Subscribe     (stream CursorUpdate) returns (stream CursorUpdate);
	rpc ListUsers     (WorkspaceRequest)    returns (UsersList);
	rpc Buffers       (WorkspaceRequest)    returns (BufferList);
	rpc NewBuffer     (BufferRequest)       returns (WorkspaceResponse);
	rpc RemoveBuffer  (BufferRequest)       returns (WorkspaceResponse);
}

message JoinRequest {
	string name = 1;
}

message WorkspaceEvent {
	int32 id = 1;
	optional string body = 2;
}

// nvim-rs passes everything as i64, so having them as i64 in the packet itself is convenient
// TODO can we make them i32 and save some space?
message CursorUpdate {
	string username = 1;
	int64 buffer = 2;
	int64 col = 3;
	int64 row = 4;
}

message WorkspaceRequest {
	string sessionKey = 1;
}

message BufferRequest {
	string sessionKey = 1;
	string path = 2;
}

message WorkspaceResponse {
	bool accepted = 1;
}

message BufferList {
	repeated string path = 1;
}

message UsersList {
	repeated string name = 1;
}