syntax = "proto3";
option go_package = "github.com/jrcichra/karmen";
package karmen;

service Karmen {
    rpc Register (RegisterRequest) returns (RegisterResponse);
    rpc EmitEvent (EventRequest) returns (EventResponse);
    rpc ActionDispatcher (stream ActionResponse) returns (stream ActionRequest);
    rpc PingPong (Ping) returns (Pong);
}

message Ping {
    string message = 1;
}

message Pong {
    string message = 1;
}

message RegisterRequest {
    string name = 1;
    int64 timestamp = 2;
    map<string,string> events = 3;
    map<string,string> actions = 4;
}

message RegisterResponse {
    RegisterRequest request = 1;
    Result result = 2; 
}

message Result {
    int64 code = 1;
    map<string,string> parameters = 2;
}

message Event {
    string eventName = 1;
    int64 timestamp = 2;
    map<string, string> parameters = 3;
}

message Action {
    string actionName = 1;
    int64 timestamp = 2;
    map<string,string> parameters = 3;
}

message ActionRequest {
    Action action = 1;
    string uuid = 2;
    string requesterName = 3;
}

message ActionResponse {
    ActionRequest request = 1;
    Result result = 2;
    // Unfortunately, for context, we need an ActionResponse from the client off the bat with just 'hostname'
    // so we know who's who when sending actions
    string hostname = 3;
}

message EventRequest {
    Event event = 1;
    string uuid = 2;
    string requesterName = 3;
    map<string, string> parameters = 4;
}

message EventResponse {
    EventRequest request = 1;
    Result result = 2;
}