syntax = "proto3";
import "google/protobuf/struct.proto";
option go_package = "whiteboxsystems.nl/okapi";

// idea:
// query:
// /:type[/:subtype+]/:service/:patient with wildcard

// Should events payloads be documented by for example json schema?
message Event {
    uint64 timestamp = 1;
    string type = 2;
    string serviceId = 3;
    string patientId = 4;
    google.protobuf.Struct payload = 5;
    // string schema = 6; // ? do we need a schema in the event itself
}
message Query {
    uint64 start = 1;
    uint64 end = 2;
    string type = 3;
    string serviceId = 4;
    string patientId = 5;
}

message GetEventsRequest {
    int32 page = 2;
    int32 perPage = 3;
    repeated Query query = 4;
}

message GetEventsResponse {
    int32 page = 2;
    int32 perPage = 3;
    repeated Event events = 4;
}

message GetEventsStreamRequest {
    repeated Query query = 2;
}

// enum EventCallbackMethod {
//     none = 0;
//     webhook = 1;
// }

// message EventCallback {
//     string id = 1; // who fills this
//     bool active = 2;
//     EventCallbackMethod method = 3;
//     repeated Query query = 4;
// }

// message RegisterEventCallbackRequest {
//     repeated EventCallback callbacks = 1;
// }

// message RegisterEventCallbackResponse {}

// message ListEventCallbacksRequest {
// }

// message ListEventCallbacksResponse {
//     repeated EventCallback callbacks = 1;
// }