syntax = "proto3";

package xeserv.us.route;
option go_package = "proto";

// Nil represents nothing.
message Nil {}

// Routes lets users manage and manipulate http routes.
service Routes {
  // Get fetches a single route based on the Host or ID.
  rpc Get(GetRouteRequest) returns (Route) {}

  // GetAll fetches all of the routes that the user owns.
  rpc GetAll(Nil) returns (GetAllRoutesResponse) {}

  // Put creates a new route based on user-supplied details.
  rpc Put(Route) returns (Route) {}

  // Delete removes a route.
  rpc Delete(Route) returns (Nil) {}
}

// GetRouteRequest specifies the host or id of the route that the user wants
// to fetch.
message GetRouteRequest {
  string unused = 1;
  string id = 2;
}

// Route is a single HTTP route. 
message Route {
  string id = 1;
  string creator = 2;
  string host = 3;
}

// GetAllRoutesResponse encapsulates a list of routes.
message GetAllRoutesResponse {
  repeated Route routes = 1;
}

// Tokens lets a user manage the database authentication tokens.
service Tokens {
  rpc Get(GetTokenRequest) returns (Token) {}

  rpc GetAll(Nil) returns (TokenSet) {}

  rpc Put(Token) returns (Token) {}

  rpc Delete(Token) returns (Nil) {}

  rpc Deactivate(Token) returns (Nil) {}
}

// Token is an individual authentication token. Id and Body will usually be
// unique ID's or other cryptographic identifiers.
message Token {
  string id = 1;
  string body = 2; // the actual token used in authenitcation
  repeated string scopes = 3; // the permissions the token has
  bool active = 4;
}

// Tokenset encapsulates a list of tokens.
message TokenSet {
  repeated Token tokens = 1;
}

message GetTokenRequest {
  string token = 1;
  string id = 2;
}

service Backends {
  rpc List(BackendSelector) returns (BackendList) {}

  rpc Kill(BackendID) returns (Nil) {}
}

message Backend {
  string id = 1;
  string proto = 2;
  string user = 3;
  string domain = 4;
  float phi = 5;
  string host = 6;
  bool usable = 7;
}

message BackendList {
  BackendSelector bs = 1;
  repeated Backend backends = 2;
}

message BackendSelector {
  string domain = 1;
  string user = 2;
}

message BackendID {
  string id = 1;
}