syntax = "proto3";

option csharp_namespace = "Aurora.Services.Signal";

package signal;


import "google/protobuf/timestamp.proto";
import "google/protobuf/field_mask.proto";
import "google/protobuf/empty.proto";


service Signal {
    //**************
    //Party Resource
    //**************
    //Get Party
    rpc ListParties(ListPartiesRequest) returns (ListPartiesResponse);

    rpc GetParty(GetPartyRequest) returns (Party);

    rpc UpdateParty(UpdatePartyRequest) returns (Party);

    rpc CreateParty(CreatePartyRequest) returns (Party);

    rpc DeleteParty(DeletePartyRequest) returns (google.protobuf.Empty);


    //***************************
    //EventSubscriptions Resource
    //***************************
    //List
    rpc ListEventSubscriptions(ListEventSubscriptionsRequest) returns (ListEventSubscriptionsResponse);

    //Create
    rpc SubscribeToEvent(EventSubscriptionRequest) returns (EventSubscription);
    
    //Delete
    rpc DeleteEventSubscription(DeleteEventSubscriptionRequest) returns (google.protobuf.Empty);

    //CUSTOM: Create EventSubscription List
    rpc SubscribeToEvents(EventSubscriptionListRequest) returns (EventSubscriptionListResponse);

    //CUSTOM: Delete all
    rpc DeleteAllEventSubscriptions(DeleteAllEventSubscriptionsRequest) returns (google.protobuf.Empty);
    
    //*****
    //Event 
    //*****
    //Get
    rpc GetEventStream(GetEventsRequest) returns (stream BaseEvent) {};
}

message Party {
    //The resource name of the party
    string name = 1;
    string id = 2;
    string display_name = 3;
    string description = 4;
    string host_ip = 5;
    google.protobuf.Timestamp created_on = 6;
}

message PartyListItem {
    string name = 1;
    string id = 2;
}

message ListPartiesRequest {
    int32 page_size = 1;
    string page_token = 2;
    string order_by = 3;
    SortDirection order_direction = 4;
}

enum SortDirection {
    Asc = 0;
    Desc = 1;
}

message ListPartiesResponse {
    repeated PartyListItem parties = 1;
    string next_page_token = 2;
}

message GetPartyRequest {
    string party_id = 1;
}

message CreatePartyRequest {
    string party_id = 1;
    Party party = 2;
}

message DeletePartyRequest {
    string party_id = 1;
}

message UpdatePartyRequest {
    Party party = 1;
    google.protobuf.FieldMask update_mask = 2;
}

/* Event Types */
enum EventType {
    NewPartiesAvailable = 0;
}

message NewPartiesAvailableEvent {
}

message BaseEvent {
    //Resource name of the event ?
    string name = 1;
    EventType event_type = 2;    
    oneof derivedEvent {
        NewPartiesAvailableEvent new_parties_available_event = 3;
    }
}

message EventSubscription {
    EventType type = 2;
}

message ListEventSubscriptionsRequest {
    //Resource name of parent to the subscription list (The member)
    string parent = 1;
    int32 page_size = 2;
    string page_token = 3;
}

message ListEventSubscriptionsResponse {
    repeated EventSubscription subscriptions = 1;
    string next_page_token = 2;
}

message EventSubscriptionRequest {
    //Resource name of the parent to the subscription list (The member)
    string parent = 1;
    EventSubscription event_subscription = 2;
}

message DeleteEventSubscriptionRequest {
    //Resource name of the subscription to delete
    string parent = 1;
    EventType type = 2;
}

message EventSubscriptionListRequest {
    //Resource name of the parent to the subscription list (The member)
    string parent = 1;
    repeated EventSubscription event_subscriptions = 2;
}

message EventSubscriptionListResponse {
    repeated EventSubscription event_subscriptions = 1;
}

message DeleteAllEventSubscriptionsRequest {
    //Resource name of the parent to the subscription list (the member)
    string parent = 1;
}

message GetEventsRequest {
    //Resource name of the parent to the event stream (the member)
    string parent = 1;
}